<SEC-DOCUMENT>0001292814-24-002390.txt : 20240613
<SEC-HEADER>0001292814-24-002390.hdr.sgml : 20240613
<ACCEPTANCE-DATETIME>20240613081040
ACCESSION NUMBER:		0001292814-24-002390
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20231231
FILED AS OF DATE:		20240613
DATE AS OF CHANGE:		20240613

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP
		CENTRAL INDEX KEY:			0001170858
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER SUPPLY [4941]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			D5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31317
		FILM NUMBER:		241040053

	BUSINESS ADDRESS:	
		STREET 1:		RUA COSTA CARVALHO, 300
		STREET 2:		SAO PAULO
		CITY:			SP
		STATE:			D5
		ZIP:			05429-900
		BUSINESS PHONE:		011-55-11-3388-8000

	MAIL ADDRESS:	
		STREET 1:		RUA COSTA CARVALHO, 300
		STREET 2:		SAO PAULO
		CITY:			SP
		STATE:			D5
		ZIP:			05429-900
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>sbsfs2023_6k.htm
<DESCRIPTION>6-K
<TEXT>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></DIV>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>Washington, DC 20549 </B></FONT></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

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<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>FORM 6-K</B></FONT></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>REPORT OF FOREIGN ISSUER</B><BR><B>PURSUANT TO RULE 13a-16 OR 15d-16 OF THE</B></FONT></DIV>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>SECURITIES EXCHANGE ACT OF 1934</B></FONT></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=center>

<DIV STYLE="text-align: center"><FONT color=#000000 size=2 face="Times New Roman"><B>For&nbsp;June, 2024</B></FONT></DIV><FONT color=#000000 size=2 face="Times New Roman"><B>(Commission File No. 1-31317) </B></FONT></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

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<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo - SABESP </B></FONT></DIV>

<DIV align=center><FONT color=#000000 size=2 face="Times New Roman"><I>(Exact name of registrant as specified in its charter) </I></FONT></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=center></DIV>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>Basic Sanitation Company of the State of Sao Paulo - SABESP </B></FONT></DIV>

<DIV align=center><FONT color=#000000 size=2 face="Times New Roman"><I>(Translation of Registrant's name into English) </I></FONT></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

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<BR>

<DIV align=center><FONT color=#000000 size=2 face="Times New Roman"><B>Rua Costa Carvalho, 300 <BR>S&#227;o Paulo, S.P., 05429-900 <BR>Federative Republic of Brazil </B></FONT></DIV>

<DIV align=center><FONT color=#000000 size=2 face="Times New Roman"><I>(Address of Registrant's principal executive offices) </I></FONT></DIV><BR>

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<BR>

<DIV align=center><FONT color=#000000 size=2 face="Times New Roman">Indicate by check mark whether the registrant files or will file <BR>annual reports under cover Form 20-F or Form 40-F. <BR><BR>Form 20-F ___X___ Form 40-F ______</FONT></DIV>

<DIV align=center><FONT color=#000000 size=2 face="Times New Roman">Indicate by check mark if the registrant is submitting the Form 6-K <BR>in paper as permitted by Regulation S-T Rule 101(b)(1)__.</FONT></DIV>

<DIV align=center><FONT color=#000000 size=2 face="Times New Roman">Indicate by check mark if the registrant is submitting the Form 6-K <BR>in paper as permitted by Regulation S-T Rule 101(b)(7)__.</FONT></DIV>

<P></P>

<P align=center><FONT size=2 face="'Times New Roman, Times, Serif'">Indicate by check mark whether the registrant by furnishing the <BR>information contained in this Form is also thereby furnishing the <BR>information to the Commission pursuant to Rule 12g3-2(b) under <BR>the Securities Exchange Act of 1934. <BR><BR>Yes ______ No ___X___</FONT></P>

<P></P>

<DIV align=center><FONT color=#000000 size=2 face="Times New Roman">If "Yes" is marked, indicated below the file number assigned to the<BR>registrant in connection with Rule 12g3-2(b):</FONT> </DIV>


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<P STYLE="font: 19pt Georgia, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 19pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

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<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0; text-align: justify"><B>Financial Statements as of </B></P>

<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0; text-align: justify"><B>December 31, 2023 and 2022</B></P>

<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

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    <TD COLSPAN="4" STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Table of Contents - 2023 Financial Statements</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Independent Auditor&rsquo;s Report on the Financial Statements</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Management Report</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-10</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Statements of Financial Position&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-44</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Income Statements</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-46</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Statements of Comprehensive Income</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-47</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Statements of Changes in Equity&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-48</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Statements of Cash Flows&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-49</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Value Added Statements&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-51</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Notes to the Financial Statements&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-52</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 6%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 7%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>1. </I></FONT></TD>
    <TD STYLE="width: 78%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Operations</I></FONT></TD>
    <TD STYLE="width: 9%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>2. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Basis of preparation and presentation of the financial statements</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>3. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Summary of significant accounting policies</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>4. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Changes in accounting practices and disclosures</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>5. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Risk management</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>6. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Key accounting estimates and judgments</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>7. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Cash and cash equivalents</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>8. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Financial investments</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>9. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Restricted cash</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>10. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Trade receivables</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>11.</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Related-party balances and transactions</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>12. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Investments</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>13. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Investment properties</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>14.</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Contract asset</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>15. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Intangible assets</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>16. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Property, plant, and equipment</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>17. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Borrowings and financing</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>18. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Taxes and contributions</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>19. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Deferred taxes and contributions</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>20. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Provisions</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>21. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Labor and pension plan obligations</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>22. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Pension plan obligations</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>23.</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Services payable</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>24. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Equity</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>25. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Earnings per share</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>26. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Business segment information</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>27. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Insurance</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>28. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Operating income</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>29. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Operating costs and expenses</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>30. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Financial income and expenses</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>31. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Other operating income (expenses), net</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>32. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Commitments</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>33. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Supplemental cash flow information</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>34. </I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><I>Events after the reporting period</I></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-top: 2pt; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Executive Officers&rsquo; Statement</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-167</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Fiscal Council&rsquo;s Report</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-169</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Summarized Annual Report of the Audit Committee</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">F-170</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Georgia, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 40%">&nbsp;</TD>
  <TD STYLE="width: 30%">&nbsp;</TD>
  <TD STYLE="width: 30%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;<IMG SRC="sbsdf20236k_001.jpg" ALT=""></TD>
  <TD><P STYLE="font: 8pt Trebuchet MS, Times, Serif; margin: 11pt 9pt 0 3.5pt; text-indent: -0.05pt; color: #786860">Tel.: + 55 11 3848 5880</P>

<P STYLE="font: 8pt Trebuchet MS, Times, Serif; margin: 0 9pt 0 3.5pt; text-indent: -0.05pt; color: #786860">Fax: + 55 11 3045 7363</P>

<P STYLE="margin: 0; font: 8pt Trebuchet MS, Times, Serif; color: #786860">www.bdo.com.br</P>
</TD>
  <TD><P STYLE="font: 8pt Trebuchet MS, Times, Serif; margin: 11pt 9pt 0 3.5pt; text-indent: -0.05pt; color: #786860">Rua Major Quedinho, 90</P>

<P STYLE="font: 8pt Trebuchet MS, Times, Serif; margin: 0 9pt 0 3.5pt; text-indent: -0.05pt; color: #786860">Consola&ccedil;&atilde;o
&ndash; S&atilde;o Paulo, SP</P>

<P STYLE="margin: 0; font: 8pt Trebuchet MS, Times, Serif; color: #786860">Brasil 01050-030</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"></P>

<P STYLE="font: 14pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; color: #98002E"><B>INDEPENDENT AUDITOR&rsquo;S REPORT
ON THE INDIVIDUAL AND CONSOLIDATED FINANCIAL STATEMENTS</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0">To the</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0">Shareholders and Management of</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0 113.4pt 0 0; text-align: justify"><B>Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0">S&atilde;o Paulo - SP</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; color: #98002E"><B>Opinion </B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">We have audited the individual and consolidated financial
statements of <B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP (&ldquo;Company&rdquo;)</B>, identified
as parent company and consolidated, respectively, which comprise the statement of financial position as at December 31, 2023, and the
respective statements of income, comprehensive income, changes in equity and cash flows for the year then ended, as well as the corresponding
notes to the financial statements, including material accounting policies and other explanatory information.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">In our opinion, the accompanying financial statements
present fairly, in all material respects, the Company&rsquo;s individual and consolidated financial position as at December 31, 2023,
its individual and consolidated financial performance and its individual and consolidated cash flows for the year then ended in accordance
with Brazilian accounting practices and International Financial Reporting Standards (IFRSs) issued by the International Accounting Standards
Board (IASB).</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; color: #98002E"><B>Basis for opinion </B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">We conducted our audit in accordance with Brazilian and
International Standards on Auditing (ISAs). Our responsibilities under those standards are further described in the &ldquo;Auditor&rsquo;s
Responsibilities for the Audit of the Individual and Consolidated Financial Statements&rdquo; section of our report. We are independent
of the Company and its controlled company in accordance with the relevant ethical principles established in the Code of Ethics for Professional
Accountants and in the professional standards issued by the Brazilian Federal Council of Accounting (CFC), and we have fulfilled our other
ethical responsibilities in accordance with these standards. We believe that the audit evidence obtained is sufficient and appropriate
to provide a basis for our opinion.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; color: #98002E"><B>Key audit matters</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Key audit matters are those matters that, in our professional
judgment, were of most significance in our audit of the financial statements for the current year. These matters were addressed in the
context of our audit of the individual and consolidated financial statements as a whole and in forming our opinion thereon and, accordingly,
we do not provide a separate opinion on them.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0">&nbsp;</P>


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<DIV STYLE="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: hidden; padding-top: 3pt">
<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; border-bottom: Black 0.5pt solid"><B>Concessions infrastructure
for sanitation services (intangible assets and contract assets)</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">As disclosed in Notes 3.8, 3.10 (a), 14 and 15, the Company
has contract assets and intangible assets of R$&nbsp;7,393,096 thousand and R$&nbsp;43,865,67 thousand, respectively, as at December 31,
2023.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Contract assets (construction work in progress) represent
the right to receive consideration for assets or services transferred to customers. The assets linked to concessions under construction,
recorded as per ICPC 01 (R1)/ IFRIC&nbsp;12 &ndash; Service Concession Arrangements, are classified as contract assets while under construction
and then transferred to intangible assets after conclusion of the construction work.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">The intangible assets are recorded as a result of the
concession contracts and their main costs are transferred from contract assets. The intangible assets begin to be amortized when they
become available for use, at their location, and in the necessary conditions, as from when the asset operation begins. The amortization
reflects the period during which the Company expects to consume the economic benefits arising from the asset, whether corresponding to
the concession term or the asset&rsquo;s useful life. The intangible asset amortization ceases when the asset is fully consumed or written-off,
whichever occurs first, or when there is indication of impairment.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">We considered the specificities of the process of capitalization
of construction costs, the subsequent assessment of infrastructure spendings, the assessment of impairment indication, the materiality
of pertaining amounts and their relation in determining construction revenue, to be a key audit matter.</P>

</div>

<DIV STYLE="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: hidden; padding-top: 3pt">
<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="background-color: yellow"><B><BR STYLE="clear: both">
</B></FONT></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; border-bottom: Black 0.5pt solid"><B>Audit response</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Our audit procedures included, among others:</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Meetings with Management to understand
the policies and procedures adopted to the record of assets arising from public concessions contracts referring to basic and environmental
sanitation services, in addition to their classification as asset for capitalization;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Visit to certain construction sites
to perform physical inspection, specific questionings and tests on documentation of ongoing construction work on a sample basis; </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Tests on documents for a sample
of transfers of contract assets (construction in progress) to intangible assets account.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Assessment of changes and accounting
classification between concession contract assets and intangible assets;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Review of accounting policies established
and disclosed by the Company and the corresponding accounting standards;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Performance of substantive analytical
procedures on amortization calculations;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Evaluation of the Company&rsquo;s
assessment of impairment indication.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Based on the audit procedures performed and results obtained,
we have considered the accounting policies and other assessments adopted by Management, in relation to the concession infrastructure for
sanitation services (intangible assets and contract assets) and the respective disclosures in the context of the financial statements,
taken as a whole, to be appropriate.</P>

</div>

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<DIV STYLE="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: hidden; padding-top: 3pt">
<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; border-bottom: Black 0.5pt solid"><B>Material acquired
and recorded under contract assets</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">As disclosed in Notes 3.8 and 14, the Company has contract
assets totaling R$&nbsp;7,393,096 thousand, as at December 31, 2023. The contract assets (construction work in progress) represent the
right to receive consideration for assets or services transferred to customers. The assets linked to concessions under construction, recorded
as per ICPC 01 (R1)/ IFRIC&nbsp;12 &ndash; Service Concession Arrangements, are classified as contract assets while under construction
and then transferred to intangible assets after conclusion of the construction work. Contract assets include several items acquired and
not yet applied to the construction in progress.</P>

</div>

<DIV STYLE="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: hidden; padding-top: 3pt">
<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">A portion of the material acquired, and not yet applied,
was not counted for in 2023. Considering the size of contract assets and the risk associated to the physical existence of these items,
we have considered this to be a key audit matter.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify"><B>Audit response</B></P>

</DIV>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Our audit procedures included, among others:</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Meeting with those in charge of
the operating areas projects, to understand the type and magnitude of contract assets;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Meeting with Management to understand
the responses to the risks associated to the physical existence of unapplied assets.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Review of &ldquo;inventory&rdquo;
bases of contract assets, aiming for the evidence of reconciliation and control; </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Understanding the physical counting
of materials performed by Management in the period following December 31, 2023; </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Performance of an independent counting
of specific items.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">As a result of the procedures performed, we found accounting
records were overstated and the Company recorded a provision against income in the year 2023.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">The deficiencies in the design of internal control for
acquired material not yet applied resulted in the forementioned difference. As a result, we have changed our evaluation related to the
nature and timing of our procedure and have extended our originally planned substantive procedures.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">We have considered the accounting policies and other
Management evaluations on materials acquired and recorded in contract assets and disclosed in the context of the financial statements,
taken as a whole, to be appropriate, and we have considered the deficiencies found related to this matter to be significant.</P>

</div>
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<DIV STYLE="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: hidden; padding-top: 3pt">
<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; border-bottom: Black 0.5pt solid"><B>Public Private Partnerships
(PPP) - S&atilde;o Louren&ccedil;o</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">As disclosed in Note 15 (d) to the individual and consolidated
financial statements, the Company has transactions related to PPPs entered into based on Law No.&nbsp;11.079/2004. As at December 31,
2023, PPPs liabilities totaled R$&nbsp;3,286,614 thousand, of which R$&nbsp;3,233,852 thousand refers to PPP &ldquo;Sistema Produtor S&atilde;o
Louren&ccedil;o (&ldquo;PPP &ndash; S&atilde;o Louren&ccedil;o&rdquo;) and R$&nbsp;52,762 thousand to PPP &ldquo;Alto Tiet&ecirc;&rdquo;.
As for PPP - S&atilde;o Louren&ccedil;o, the referenced agreement had the following objectives: (i) the construction of a water supply
system, mainly comprised by a water main connecting the municipality of Ibi&uacute;na to Barueri and of a water collecting station in
Ibi&uacute;na, a water treatment station in Vargem Grande Paulista and water tanks; and (ii) a 25-year term rendering of services of operation
of the systems for dehydration, drying and final disposal of sludge, maintenance and construction work of the Venture &ldquo;Sistema Produtor
S&atilde;o Louren&ccedil;o&rdquo;. Construction work began in April 2014 and PPP - S&atilde;o Louren&ccedil;o began operating in full
on July 10, 2018. Intangible assets were recorded during the construction work and payments to PPP - S&atilde;o Louren&ccedil;o began
in August 2018, in fixed monthly installments adjusted by the Consumer Price Index (IPC) as contractually agreed, and it will endure until
April 2039. Interest is accounted for throughout the contract, according to an Internal Return Rate (TIR), plus IPC.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; border-bottom: Black 0.5pt solid">Considering that any
significant change to the agreement&rsquo;s adjustment indexes and in the calculation methodology (which is calculated in an Excel spreadsheet
based on manual inputs and extending until 2039) may result in significant impacts on PPP &ndash; S&atilde;o Louren&ccedil;o&rsquo;s financial
liability measurement, we consider this to be a key audit matter. <FONT STYLE="background-color: yellow"><B><BR STYLE="clear: both">
</B></FONT><B>Audit response</B></P>
</div>

<DIV STYLE="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: hidden; padding-top: 3pt">
<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Our audit procedures included, among others:</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Reading and reviewing of PPP &ndash;
S&atilde;o Louren&ccedil;o agreement;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Review of the Company&rsquo;s calculations
since agreement became effective;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Reconciliation of the agreement
amounts with the Company&rsquo;s calculation sheet;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Recalculation of the debt at the
effective interest rate;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Meetings with the Company&rsquo;s
Management to validate the effect of the calculation of differences in relation to the comparative statement of financial position (corresponding
amounts).</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Review of the final calculation
spreadsheet to validate the used methodology and verify the adjustments found to perform corrections to liabilities at the end of the
year ended December 31, 2023;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Analysis of the sufficiency of
disclosures made.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">As a result of the procedures performed, we identified
the need to increase the liability of PPP &ndash; S&atilde;o Louren&ccedil;o as at December 31, 2023, as result of the review of the recalculation
from previous years, which was recorded by the Company as an offsetting entry to income for the year for 2023.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">The deficiencies in the design of internal control for
the measurement of the liability of PPP &ndash; S&atilde;o Louren&ccedil;o resulted in the forementioned adjustment to liabilities, changing
our evaluation related to the nature and timing of our procedures, as well as extending our originally planned substantive procedures.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">We consider the assumptions and calculations prepared
by the Company, Management&rsquo;s judgement on PPP - S&atilde;o Louren&ccedil;o liabilities and the disclosures in the context of the
financial statements take as a whole, to be appropriate, and we have considered the deficiencies found related to this matter to be significant.</P>

</div>

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<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; color: #98002E"><B>Other matters</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify"><B>Audit of prior period </B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">The financial statements of the Company for the year
ended December 31, 2022, were audited by other independent auditor, whose report thereon, dated March 23, 2023, was unmodified.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify"><B>Statements of value added</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">The individual and consolidated statements of value added
for the year ended December 31, 2023, prepared under the responsibility of the Company&rsquo;s Management and presented as supplementary
information for IFRS purposes, were submitted to the same audit procedures followed for the audit of the Company&rsquo;s financial statements.
In order to form an opinion, we have checked whether these statements are reconciled with the financial statements and accounting records
as applicable, and whether its form and contents meet the criteria established in Technical Pronouncement CPC NBC TG 09 - Statement of
Value Added. In our opinion, the statements of value added were properly prepared, in all material respects, in accordance with the criteria
established in that Technical Pronouncement and are consistent with the individual and consolidated financial statements taken as a whole.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; color: #98002E"><B>Other information accompanying the
individual and consolidated financial statements and auditor&rsquo;s report</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">The Company&rsquo;s Management is responsible for the
other information that comprises the Management Report.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Our opinion on the individual and consolidated financial
statements does not cover the Management Report and we do not express any form of audit conclusion thereon.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">In connection with our audit of the individual and consolidated
financial statements, our responsibility is to read the Management Report and, in doing so, consider whether the report is materially
inconsistent with the financial statements or our knowledge obtained in the audit, or otherwise appears to be materially misstated. If,
based on the work we have performed, we conclude that there is a material misstatement of this Management Report, we are required to report
that fact. We have nothing to report in this regard.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; color: #98002E"><B>Responsibilities of Management and
those charged with governance for the individual and consolidated financial statements</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Management is responsible for the preparation and fair
presentation of the individual and consolidated financial statements in accordance with Brazilian accounting practices and the IFRS issued
by IASB, and for such internal control as management determines is necessary to enable the preparation of financial statements that are
free from material misstatement, whether due to fraud or error.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">In preparing the individual and consolidated financial
statements, Management is responsible for assessing the Company&rsquo;s ability to continue as a going concern, disclosing, as applicable,
matters related to going concern and using the going concern basis of accounting unless management either intends to liquidate the Company
and its controlled company or to cease operations, or has no realistic alternative but to do so.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Those charged with governance are responsible for overseeing
the Company&rsquo;s and its controlled company&rsquo;s financial reporting process.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify; color: #98002E"><B>Auditor&rsquo;s responsibilities for
the audit of the individual and consolidated financial statements</B></P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">Our objectives are to obtain reasonable assurance about
whether the individual and consolidated financial statements as a whole are free from material misstatement, whether due to fraud or error,
and to issue an auditor&rsquo;s report that includes our opinion. Reasonable assurance is a high level of assurance but is not a guarantee
that an audit conducted in accordance with Brazilian and International Standards on Auditing (ISA) will always detect a material misstatement
when it exists. Misstatements can arise from fraud or error and are considered material if, individually or in the aggregate, they could
reasonably be expected to influence the economic decisions of users taken on the basis of the referenced financial statements.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">As part of an audit in accordance with Brazilian standards
and ISAs, we exercise professional judgment and maintain professional skepticism throughout the audit. We also:</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Identify and assess the risks of
material misstatement of the individual and consolidated financial statements, whether due to fraud or error, design and perform audit
procedures responsive to those risks, and obtain audit evidence that is sufficient and appropriate to provide a basis for our opinion.
The risk of not detecting a material misstatement resulting from fraud is higher than for one resulting from error, as fraud may involve
collusion, forgery, intentional omissions, misrepresentations, or the override of internal controls;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Obtain an understanding of internal
controls relevant to the audit in order to design audit procedures that are appropriate in the circumstances, but not for the purpose
of expressing an opinion on the effectiveness of the Company&rsquo;s and its controlled company&rsquo;s internal controls;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Evaluate the appropriateness of
accounting policies used and the reasonableness of accounting estimates and disclosures made by Management;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Conclude on the appropriateness
of Management&rsquo;s use of the going concern basis of accounting and, based on the audit evidence obtained, whether material uncertainty
exists related to events or conditions that may cast significant doubt on the Company&rsquo;s and its controlled company&rsquo;s ability
to continue as a going concern. If we conclude that material uncertainty exists, we are required to draw attention in our auditor&rsquo;s
report to the related disclosures in the individual and consolidated financial statements or, if such disclosures are inadequate, to modify
our opinion. Our conclusions are based on the audit evidence obtained up to the date of our auditor&rsquo;s report. However, future events
or conditions may cause the Company and its controlled company to cease to continue as a going concern;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Evaluate the overall presentation,
structure and content of the financial statements, including the disclosures, and whether the individual and consolidated financial statements
represent the underlying transactions and events in a manner that achieves fair presentation;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&#167;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 10pt">Obtain sufficient and appropriate
audit evidence regarding the financial information of the entities or business activities within the group to express an opinion on the
consolidated financial statements. We are responsible for the direction, supervision and performance of the audit. We remain solely responsible
for our audit opinion.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">We communicate with those charged with governance regarding,
among other matters, the planned scope and timing of the audit and significant audit findings, including any significant deficiencies
in internal controls that we identify during our audit.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/107% Trebuchet MS, Times, Serif; margin: 0 0 8pt">We also provide those charged with governance with a statement
that we have complied with relevant ethical requirements regarding independence and communicate to them all relationships and other matters that may reasonably be thought to bear on
our independence, and where applicable, related safeguards.</P>


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<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">From the matters communicated to those charged with governance,
we determine those that were of most significance for the audit of the financial statements for the current year and which are therefore
the key audit matters. We describe these matters in our auditor&rsquo;s report unless law or regulation precludes public disclosure about
the matter or when, in extremely rare circumstances, we determine that a matter should not be communicated in our report because the adverse
consequences of doing so would reasonably be expected to outweigh the public interest benefits of such communication.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/107% Trebuchet MS, Times, Serif; margin: 0; text-align: justify">The accompanying financial statements have been
translated into English for the convenience of readers outside Brazil.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0; text-align: right">S&atilde;o Paulo, March 21, 2024.</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Trebuchet MS, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: top; width: 100%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 11pt"><BR STYLE="clear: both">
<B><IMG SRC="sbsdf20236k_001.jpg" ALT="" STYLE="height: 25.2pt; width: 60.6pt"></B></FONT></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 11pt Trebuchet MS, Times, Serif; margin: 0"><FONT STYLE="font-variant: small-caps"><B>BDO RCS </B></FONT><B>Auditores
    Independentes <FONT STYLE="font-variant: small-caps">SS </FONT>Ltda.</B></P>
    <P STYLE="font: 11pt Trebuchet MS, Times, Serif; margin: 0"><FONT STYLE="font-variant: small-caps"><B>CRC 2 SP 013846/O-1</B></FONT></P></TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    </TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    </TR>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 11pt"><B>D&aacute;rio Vieira De Lima</B></FONT></TD>
    </TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Trebuchet MS, Times, Serif; font-size: 11pt"><B>Accountant CRC 1 SP 238754/O-6</B></FONT></TD>
    </TR>
  </TABLE>
<P STYLE="font: 12pt Trebuchet MS, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>



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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 10pt 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 22pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: center; color: #00B0F0"><B>2023 MANAGEMENT REPORT</B></P>

<P STYLE="font: 22pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: center; color: #00B0F0"><B>&nbsp;</B></P>

<P STYLE="font: 22pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: center; color: #00B0F0"><B>&nbsp;</B></P>


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<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 18pt/107% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 0; color: #2F5496"><B>MESSAGE FROM THE CEO</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">50 years of lives!</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">2023 was a year of transformation and
the creation of new opportunities for all of us.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">We celebrated half a century of existence,
commemorating past achievements and the prospect of an even more promising future. A future where people and the environment are consolidated
at the heart of our strategy, with the universalization of sanitation as a tool to achieve this goal.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">Throughout these 50 years, numerous
challenges and achievements have led us to become one of the largest sanitation companies in the world, a reference in innovative solutions,
and a leader in investment rankings in Brazil. In this period, many things evolved, including ourselves, always connecting with people
and reinforcing our commitment to life in all its forms.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">In this journey of transformation, our
corporate structure has become more modern, agile, and participatory. As a result, we have gained competitiveness and efficiency.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The restructuring brought greater rationality
in resource allocation, team integration, process revision, and a vision that we are all part of One Unified Sabesp, an innovative company
that uses all means to provide the best service to its customers.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">In the context of this new environment,
we launched a new visual identity that explores watercolor by mixing colors and liquids that represent sustainability and balance with
nature, and also symbolize Sabesp's commitment to innovation, transparency, and efficiency. These light and varied elements were added
to the Company&rsquo;s traditional symbol of ancient amphora, designed in 1973.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">A good example of what awaits us with
these changes was the award received in a bidding process to operate basic sanitation services in the city of Ol&iacute;mpia (SP), an
important milestone in 2023. For the first time, a state-owned company in the sector won a bidding process in Brazil, competing with eight
other private bidders.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">This victory signals our potential to
grow, expand our operations, and broaden the scope of business with environmental solutions, bringing all the concepts of circular economy
(biogas and fertilizer production from sewage treatment, water for industrial reuse, and energy efficiency enhancement), contributing
to environmental preservation and a more inclusive and fair society.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">In addition to the review of existing
structures (Operation; Financial and IR; and People and Management), it is worth highlighting the new Offices (Engineering and Innovation;
Customers; and Regulation and New Business) aimed at scaling up and enhancing efficiency in our main value drivers. Additionally, we have
also created the Superintendence of Sustainability and Corporate Governance and the Superintendence of Digital Transformation, which report
directly to me and mirror our commitment to sustainability, operational efficiency, innovation, and technology. Of the seven Offices,
three are led by women in addition to the Company's Board of Directors, which is also chaired by a woman.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">This Report features the essence of
these changes, definitively integrating the ESG agenda as a strategic part of our business.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The expansion process includes involvement
in important global agendas. Accordingly, we participated in various local and international forums for sharing experiences, featuring
the three panels during the 28th Conference of the Parties (COP28) in Dubai, United Arab Emirates, which confirms the value of our expertise
in basic sanitation.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The numbers ratify this value. Our current
sanitation rates are among the best in Brazil. We have 98% water supply coverage, 93% sewage collection coverage, and 85% of households
connected to sewage treatment. And these percentages will increase. Not only the amount invested in 2023 represented a historical record
for the Company, about 85% of the water and sewage Capex for the years 2024 and 2025 is already tendered or has already been contracted.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">For the 2024 to 2028 period, our current
Multi-Year Investment Plan (disclosed in December) provides for investments of R$ 33.91 billion in system expansion and R$ 11.27 billion
in works for improvement, efficiency, and asset renewal.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The IntegraTiet&ecirc; Program, launched
in 2023, includes various short-, medium-, and long-term measures to address some of the most vulnerable points of the Tiet&ecirc; River,
the largest in the State.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">It was a challenging and very productive
year and we still have a lot to do. Our numbers are the result of hard work and focus. In addition to the aforementioned record investment,
it is worth noticing the conclusion of the Extraordinary Tariff Review, which adjusted distortions in our revenue from previous years,
and the financing with sustainability indicators contracted with the IFC (in which the cost of financing is reduced as the Company achieves
certain sustainability commitments).</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">I thank all our employees for their
cooperation and aptitude for facing new challenges. I also thank our suppliers, customers, advisors, and shareholders for their support
in this transformation process.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify"><B>Andr&eacute; Salcedo</B></P>

<P STYLE="font: bold 11pt/14pt Calibri, Helvetica, Sans-Serif; margin: 6.5pt 0 0"><I>CEO<BR STYLE="clear: both">
</I></P>


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<P STYLE="font: 18pt/107% Calibri, Helvetica, Sans-Serif; margin: 12pt 0; color: #2F5496"><B>MACROECONOMIC AND SECTOR CONTEXT</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The year 2023 marked an economic recovery
in Brazil. With controlled inflation, there was room for interest rate decreases, favoring prospects in the credit market. On the external
front, challenges and uncertainties due to geopolitical tensions remained as sources of volatility in financial markets.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Despite the more volatile external scenario,
the Company reported revenue growth reflecting an improvement in economic indicators. In addition to the broader context, the conclusion
of the Annual Adjustment and the Extraordinary Tariff Review, with the approval of a total tariff adjustment of 9.5609% in April 2023,
contributed to a positive outcome. Although net margins decreased, mainly due to the impact of the financial result, operational performance
significantly increased.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">On the cost side, the Company implemented
various structural actions aimed at reducing costs and increasing long-term efficiency. Organizational restructuring, modernization, and
investment in technology in operations, the creation of the Shared Services Center, and the Incentivized Dismissal Program (IDP) are examples
of actions aimed at the Company's sustainability in a more competitive business environment, given the changes in sector legislation.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The approved investments for the 2024-2028
period, totaling R$ 47.4 billion, which now include the IntegraTiet&ecirc; Program, imposed an even more intense pace of investment expansion,
focusing on expanding networks and sewage treatment.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, the Company's response to the
new dynamics of the sanitation sector was marked by participation in utilities concession bidding processes. In May, the Company was granted
the contract and signed a concession agreement with the Municipality of Ol&iacute;mpia to supply water and provide sewage services for
the next 30 years. Through a contractually regulated Special Purpose Entity (SPE), Sabesp will invest in technologies to control water
losses and build pipelines, and supply capacity in line with the city's growth, which is known for its thermal water tourism. The actions
will benefit more than 56 thousand residents with improved health and quality of life.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Another step towards improving sector
regulations was the enactment of State Decree 67,880/2023, which provides for the adherence of Municipalities to their respective Regional
Units for Drinking Water Supply and Sanitation Services (URAEs) and their inter-federal governance structures. The decree gives greater
effectiveness and representativeness to the Decision-Making Boards of the Regional Units, which will resolve on the signing of contracts,
agreements, and partnerships for water supply and sanitation services.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Composed of the municipalities served
by Sabesp, under the terms of the New Sanitation Framework (Federal Law 14,026/2020), URAE 1 - Southeast (URAE-1) saw the adhesion of
the Municipality of S&atilde;o Paulo in August 2023, representing an important step in its formalization, reinforcing the vision of providing
basic sanitation services in a regionalized manner in the S&atilde;o Paulo State.</P>


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<P STYLE="font: 14pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>Privatization Process</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">As part of the changes observed in the
basic sanitation sector in recent years, the S&atilde;o Paulo State Government started the Company&rsquo;s privatization process, aiming
to respond even more promptly and efficiently to the new regulatory reality impacting the sector.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In April 2023, the International Finance
Corporation (IFC), an agency linked to the World Bank, was contracted to conduct studies on the Company&rsquo;s privatization, which indicated
a public offering of shares as the best model to be adopted, whose main benefits include (i) adding and advancing investments to achieve
universalization goals; and (ii) reducing tariffs by using part of the funds obtained in the transaction.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In September 2023, the S&atilde;o Paulo
State informed the municipalities operated by Sabesp about the proposed amendment to the conditions of the current concession agreements,
observing the following guidelines (a) advancing the achievement of the universalization goals outlined in the New Legal Sanitation Framework
to 2029, subject to any shorter deadlines contractually provided; (b) extending the duration of the concession agreement until 2060; (c)
obliging Sabesp to serve the population residing in consolidated informal urban nuclei and rural areas, to cover the entire municipal
territory; and (d) detailing the investments to be made in each municipality.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The communication also reaffirmed commitments
to increase and advance investments, reduce tariffs, and improve sanitation services, to (a) provide predictability and transparency to
the regionalized structure, considering already shared infrastructures; and (b) detail Sabesp's specific obligations regarding each municipality,
including coverage goals, main works, and investments.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Following this process, in December 2023,
State Law 17,853/2023 was approved, authorizing the privatization of Sabesp, and in February 2024, a public consultation was opened regarding
(i) the draft of the Concession Agreement to be signed between URAE-1 and Sabesp, with the indication of the S&atilde;o Paulo State Utility
Service Regulatory Agency's role, together with the specific technical exhibits of the municipalities comprising URAE-1, in addition to
other contractual exhibits; (ii) the draft of the internal regulations of URAE-1&rsquo;s Decision-Making Board; and (iii) the draft of
the Regional Sanitation Plan, under Article 17 of Federal Law 11,445, of 2007.</P>

<P STYLE="font: 14pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>Regulation of Services and Tariffs</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The New Framework gave the Water National
Agency (ANA) the power to issue reference standards containing guidelines for the regulation of public sanitation services in Brazil,
which will be exercised by sub-national regulatory agencies after the respective adhesion. In the case of Sabesp, our current contracts
are regulated by the S&atilde;o Paulo State Utility Services Regulatory Agency (Arsesp), in line with the terms established in the instruments
in force.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In this context, ANA and Arsesp periodically
disclose regulatory agendas with matters that should be subject to future regulation. Sabesp actively participates in the discussions
held in meeting rounds before taking subsidies and public consultations on the regulatory regulations impacting its business.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Regarding the calculation of tariffs,
the current regulatory model adopted by Arsesp establishes a regulation based on incentives, which consists of establishing a maximum
tariff (P0) that ensures the economic-financial balance of the service
provider in the entire area of operation, taking into consideration the projected efficient costs and the investments to be made in the
four-year tariff cycle.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The calculation model is based on a Discounted
Cash Flow model, whose objective is to calculate the maximum average tariff (P0), whose reference is the operating costs for the provision
of services and the remuneration and recovery of investments made (required revenue), considering the expected market for the four-year
period, where the Net Present Value (NPV) of the tariff cycle is equal to zero, taking into consideration a return rate equal to the weighted
average cost of capital (WACC).</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">After establishing the maximum average
tariff (P0) in the ordinary tariff review processes, during the tariff cycle, the Agency authorizes the annual tariff adjustment (IRT),
which adjusts tariffs based on the variation of the IPCA (consumer price index) in the last 12 months, less a productivity factor to be
shared with users (X Factor) plus or less a quality factor (Q Factor). This mechanism aims at allowing the adjustment for inflation and
encouraging the Company to continuously pursue efficiency and cost reduction, as well as meet desired quality criteria in providing services
to users.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Specifically for the 2021-2024 cycle,
compensatory adjustments (AJC) are expected, due to the achievement - or not - of the projected authorized revenue, as well as possible
adjustments in other variables (revenue risk limitation &plusmn; 2.5%).</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Sabesp&rsquo;s tariff structure consists
of a set of rules applied to the Company&rsquo;s revenue where users are classified into residential, commercial, industrial, and public
categories. The structure is based on the Tariff Regulation approved through State Decree 41,446 of 1996, in the legislation, and regulatory
rules in force.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Given the need for adjustments for both
2021 and 2022 due to the failure to achieve authorized revenue, in April 2023, Arsesp concluded the Annual Adjustment and Extraordinary
Tariff Review processes, authorizing the Company to apply a total tariff adjustment index of 9.5609% compared to the existing tariffs,
which came into effect in May 2023.</P>


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<P STYLE="font: 18pt/107% Calibri, Helvetica, Sans-Serif; margin: 12pt 0; color: #2F5496"><B>THE COMPANY </B></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - Sabesp is a publicly held company controlled by the S&atilde;o Paulo State, founded in 1973, that <FONT STYLE="background-color: white">provides
</FONT>environmental sanitation services.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company is headquartered in the City
of S&atilde;o Paulo, a relevant portion of its operation is in the Metropolitan Region of S&atilde;o Paulo, the largest metropolitan region
of Brazil, with around 21.5 million people. We are considered one of the largest sanitation companies in the world in terms of population
served. At the end of 2023, we were present in 376 municipalities, distributed across all Brazilian regions. We were responsible for serving
approximately 62% of S&atilde;o Paulo's population, with 28.1 million people having water supply and 24.9 million people having sewage
collection services.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify"><FONT STYLE="background-color: white">Seeking
to expand its operated area within the scope of the New Sanitation Framework, the Company innovated by being granted the contract to supply
water and provide sewage services in the municipality of Ol&iacute;mpia, commencing water and sewage services operations in December 2023
through its wholly-owned subsidiary Sabesp Ol&iacute;mpia S.A.</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify"><FONT STYLE="background-color: white">Sabesp
is also a minority shareholder of three other companies that provide water supply and sewage collection and treatment services, in addition
to six other companies, in the sectors of energy, paving, and other sanitation-related services. More information on the investees is
available in Note 12 to the Financial Statements referring to the fiscal year ended on December 31, 2023.</FONT></P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>CORPORATE STRATEGY FOCUSED ON SUSTAINABILITY</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">By the very nature of its activities,
which contribute to environmental conservation and people's health and quality of life, the sanitation sector has a close connection with
the ESG Agenda. Aware of this significant contribution, Sabesp is expanding and enhancing its corporate strategy by adopting sustainable
actions in all areas to make this strategy more relevant and robust.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">We strengthened the social and environmental
pillars in strategy to support the ESG Agenda, and we have corporate governance as our guide to ensure that we are aligned, attentive
to impacts, and <FONT STYLE="background-color: white">consistent and transparent deliveries</FONT>.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, the Corporate Strategy was revised,
and new strategic objectives, indicators, goals, mission, and vision were defined, as well as the creation of a purpose aligned with our
essence to contribute to improving people's quality of life. Our strategic drivers are:</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 35.4pt; text-align: justify"><B>PURPOSE </B>&ndash; Transforming
people's lives for a more inclusive and sustainable society;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 35.4pt; text-align: justify"><B>VISION </B>&ndash; Being a global
reference in innovation and sustainability in sanitation; and</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 35.4pt; text-align: justify"><B>MISSION </B>&ndash; Providing
sanitation services with excellence.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Sabesp also established its strategic
objectives in:</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 20.25pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Symbol; font-size: 11pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>Internal Processes:</B>
Increase Sabesp's process efficiency and strengthen the supplier chain;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 20.25pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Symbol; font-size: 11pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>Customers and Market:</B>
Be competitive to maintain and expand the operational area and be a reference brand in service provision in Brazil;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 20.25pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Symbol; font-size: 11pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>People and Innovation:</B>
Be a modern, inclusive, and innovative company; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 20.25pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Symbol; font-size: 11pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>Sustainability:</B> Promote
sanitation universalization to generate positive impacts on society and the environment and maximize the economic-financial result to
ensure Sabesp's growth and perpetuity.</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 8pt 0; text-align: justify">These drivers and strategic objectives support
Sabesp's ambition, launched in 2023, to be the best sanitation company in the world. By renewing our strategy, we incorporate people and
the environment at the heart of the business.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The goal is to ensure the transformation
of lives for a more inclusive and sustainable society, provide services with excellence, and strive to be a global reference on the theme.
The guiding principles that drive our strategy aim to contribute to universalization in the operated municipalities, the development of
socio-environmental improvement goals and targets, with increasingly sustainable energy sources by promoting the circular economy and
caring for the community served.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">At the same time, the guiding principles
seek to favor financial return, with growth in new businesses, service provision integration for the Company, professional and personal
development of our employees, and transparently guided business management.</P>



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<P STYLE="font: 18pt/107% Calibri, Helvetica, Sans-Serif; margin: 12pt 0; color: #2F5496"><B>MAIN BUSINESSES</B></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0.75pt 0 0; text-align: justify">Sanitation services are divided mainly
into water supply and sewage services. In 2023, Sabesp served its customers through 10.3 million water connections and 8.8 million sewage
connections, and billed 2,236.2 million m<SUP>3</SUP> of water and 1,967.6 million m<SUP>3</SUP> of sewage. <FONT STYLE="background-color: white">The
operational data presented in this report does not include operations in the municipality of Ol&iacute;mpia.</FONT></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0.75pt 0 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="background-color: #0070C0">
    <TD COLSPAN="10" STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white"><B>Water and sewage billed volume <SUP>(1)</SUP> per customer category &ndash; million m<SUP>3</SUP></B></FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">Water</FONT></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">Sewage</FONT></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">Water + Sewage</FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="white-space: nowrap; width: 19%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">2023</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">%</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">2023</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">%</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">2023</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white">%</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">Residential</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">1,918.0 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">1,869.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">2.6 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">1,684.0 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">1,631.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">3.2 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">3,602.0 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">3,500.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">2.9 </FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">Commercial</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">189.2 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">182.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">3.9 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">181.1 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">175.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">3.0 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">370.3 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">358.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">3.4 </FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">Industrial</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">35.4 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">34.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">2.6 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">38.3 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">37.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">1.1 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">73.7 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">72.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">1.8 </FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">Public</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">47.1 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">43.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">7.8 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">42.4 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">38.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">9.0 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">89.5 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">82.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">8.4 </FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>Total retail</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>2,189.7 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>2,129.8</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>2.8 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>1,945.8 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>1,884.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>3.3 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>4,135.5 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>4,013.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>3.0 </B></FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">Wholesale <SUP>(2)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">46.5 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">47.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">(2.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">21.8 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">20.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">6.3 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">68.3 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">68.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">-&nbsp;&nbsp;&nbsp;</FONT></TD></TR>
  <TR STYLE="background-color: #D9E2F3">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>Total </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>2,236.2 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>2,177.6</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>2.7 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>1,967.6 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>1,904.6</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>3.3 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>4,203.8 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>4,082.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt"><B>3.0 </B></FONT></TD></TR>
  </TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.85pt"></TD><TD STYLE="width: 17.85pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">(1)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">Unaudited by external auditors;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">(2)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt">Wholesale includes volumes of
reuse water and non-domestic sewage.</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 8pt 0; text-align: justify">To fulfill its mission and implement its
business plan, the Company has an investment program aimed to improve and expand its water supply and sewage collection and treatment
systems, improve its operational efficiency, and increase and protect water resources.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">In 2023, the Company invested R$ 6.3
billion, with R$ 2.7 billion in water systems and R$ 3.6 billion in sewage systems. For the 2024-2028 period, the Company plans to invest
approximately R$ 47.4 billion, with R$ 33.9 billion in expanding water and sewage systems; R$ 11.3 billion in improving systems, efficiency,
and asset renewal; and R$ 2.2 billion in other areas, such as information technology and vehicle fleet.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="7" STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt">R$ million</FONT></TD></TR>
  <TR STYLE="background-color: #0070C0">
    <TD STYLE="width: 40%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>2024</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>2025</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>2026</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>2027</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>2028</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>Total</B></FONT></TD></TR>
  <TR STYLE="background-color: #D5DCE4">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>System expansion </B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>4,046</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>8,062</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>8,235</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>7,216</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>6,352</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>33,911</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 35.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">Water</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,028</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,624</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,301</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,228</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,172</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">6,353</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 35.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">Sewage</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">3,017</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">6,438</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">6,934</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">5,988</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">5,180</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">27,558</FONT></TD></TR>
  <TR STYLE="background-color: #D5DCE4">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>Improvement of systems, efficiency, and renewal of assets</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>3,104</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>2,792</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>1,911</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>1,750</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>1,710</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>11,267</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">Control and Reduction of Losses</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">929</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">876</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">511</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">494</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">504</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">3,314</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">Operational Development (Energy, Automation, Retrofit)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">2,175</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,916</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,401</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,256</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">1,205</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt">7,953</FONT></TD></TR>
  <TR STYLE="background-color: #D5DCE4">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>Other </B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>983</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>640</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>199</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>162</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>196</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt"><B>2,180</B></FONT></TD></TR>
  <TR STYLE="background-color: #0070C0">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>8,132</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>11,494</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>10,346</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>9,129</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>8,257</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 10pt; color: white"><B>47,358</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 8pt 0; text-align: justify">&nbsp;</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 8pt 0; text-align: justify">The Company&rsquo;s operational performance
is monitored through operational indicators, with goals defined considering contractual clauses, macroeconomic, social, and environmental
conditions, and the regulatory environment.</P>

<P STYLE="font: 8pt/107% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="background-color: #4472C4">
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; color: white"><B>Achieved</B></FONT></TD>
    <TD COLSPAN="5" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; color: white"><B>Goals</B></FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="white-space: nowrap; width: 48%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 12%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>2023</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>2024</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>2025</B></FONT></TD>
    <TD STYLE="width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>2026</B></FONT></TD>
    <TD STYLE="width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>2027</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>2028</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>Water Supply (%)<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">94</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">95</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">96</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">96</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">96</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">96</FONT></TD></TR>
  <TR STYLE="background-color: #D9E2F3">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>Sewage Collection (%)<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">85</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">88</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">90</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">91</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">91</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">92</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>Water Supply Coverage (%)<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">98</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">99</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">100</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">100</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">100</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">100</FONT></TD></TR>
  <TR STYLE="background-color: #D9E2F3">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>Sewage Collection Coverage (%)<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">93</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">95</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">97</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">98</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">98</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">99</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>Households Connected to Sewage Treatment (%)<SUP>(1) (2)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">85</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">85</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">88</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">95</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">96</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">96</FONT></TD></TR>
  <TR STYLE="background-color: #D9E2F3">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>New Water Connections (thousand)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">188</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">195</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">197</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">182</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">180</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">254</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>New Sewage Connections (thousand)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">191</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">263</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">292</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">237</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">207</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">290</FONT></TD></TR>
  <TR STYLE="background-color: #D9E2F3">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt"><B>IPDt (liters/connection/day)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">260</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">255</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">254</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">253</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">252</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt">251</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 0 14.2pt; text-align: justify">(1) For methodological reasons,
it includes a variation margin of plus or minus 2 percentage points.</P>

<P STYLE="font: 8pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 14.2pt; text-align: justify">(2) Household is the term used for
the building or the subdivision of a building, with occupancies proven to be independent of each other, that collectively use a single
water supply and/or sewage collection connection.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: red">&nbsp;</P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>Water Supply and Water Security</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">To supply a population of around 28.1
million people, we use a distribution network of 93.2 thousand km, bringing treated water from 235 Water Treatment Stations (WTSs) to
consumers in 376 municipalities of the S&atilde;o Paulo State.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, Sabesp produced 2,985.2 million
m&sup3; of water, with the services coverage rate reaching 98% and the service rate totaling 94% in the operated area.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Long-term planning, higher adaptation
to uncertainties by increasing water infrastructure, strategic risk management, and rational and conscious use of water are some of the
main actions implemented by Sabesp to ensure water supply to the population served.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Metropolitan Region of S&atilde;o
Paulo (MRSP) is, unquestionably, the most complex to operate. Susceptibility to climate variations, high population concentration, and
geographic location impact the region&rsquo;s low water availability, which is considered critical.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">To address this problem, Sabesp makes
use of the <B>Metropolitan Water Program (PMA)</B>, whose structure plan is based on the supply x demand forecast of the Water Supply
Master Plan, which considers historical data, future scenario expectations, and risk parameters. In 2023, the PMA contributed to the expansion
of the Rio Grande WTS, which is ongoing, and significant works in the municipalities of Guarulhos and Mau&aacute;.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The <B>Integrated Metropolitan System
(SIM) </B>is composed of a solid water infrastructure consisting of nine production systems, which, together with the Guarulhos&rsquo;
supply system, serve the MRSP. The water sources in this area can store about 1.9 billion liters of water and produce approximately 82
m&sup3; of water per second. In 2023, the average monthly production of water to serve the MRSP was 64.8 m&sup3;/s. The water storage
index at the end of 2023 was 67%, compared to 53% in 2022.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Permanent management of water sources
allows for designing daily operational scenarios and long-term strategic hydrological models. To anticipate potential risks related to
the operation, Sabesp also has a strategic and operational risk management structure and contingency plans for unavoidable incidents.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In the interior of the State, supply suffers
less pressure because of the lower population and the existence of different sources of supply, which include wells to collect water.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In municipalities facing a more critical
situation, we are implementing treatment stations and dams that should ensure water security for the coming decades. Furthermore, we have
already mapped alternative water sources in the interior, which can be used in case of drought. In the case of more critical situations,
we adopt emergency systems and other measures to avoid interruptions in water supply to the population.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In the coastal region, the Company continues
expanding the water structure to improve services to the local population and the large number of tourists that overload the system with
high consumption peaks in summer periods. On the Northern Coast, we started the construction of reservoirs in S&atilde;o Sebasti&atilde;o
and Ubatuba to increase water supply capacity and ensure water security.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In the Santos coastal area, where water
availability is limited, we use an integrated system similar to that used in the MRSP, which, despite the lower scale, allows transferring
water among regions of lower and higher demand during more critical periods. In 2023, we expanded the capacity of the Mambu WTS and resumed
the execution of five reservoirs in Bertioga, Guaruj&aacute;, Santos, Itanha&eacute;m, and Peru&iacute;be.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Additionally, to reduce the amount of
treated water that escapes from the distribution networks before reaching customers, the <B>Corporate Program for Reducing Losses</B>,
started in 2009, proactively conducts research on invisible leaks, adopts preventive and corrective measures to combat water losses, and
manages nighttime demand, which involves reducing water pressure in the distribution network during the night when there is lower demand.
In 2023, aiming to meet the needs of the MRSP water supply system, there was an operational adjustment in the execution time of nighttime
demand management, reducing the period by an average of two hours. The program also collaborates with regularization in low-income areas,
improving performance and fighting any waste in the network.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Real losses, which correspond to pipeline
leaks, totaled 19.5% in 2023. Commercial losses (water consumed but not accounted for), caused by frauds, failures in the commercial registry,
and under-measurement of water meters, accounted for 10% in the year. The sum of these two indicators results in total losses, which came
to 29.5% in 2023. Currently, our water loss rate is 260 liters/connection/day.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify"><B>Water reused </B>from sewage treatment
also aims at increasing the sustainability of water resources, especially in a scenario of growing climate pressure. Water is reused in
industrial activities and for urban needs, such as the cleaning of streets and street markets, and irrigation of parks. In 2023, the program
reached the milestone of 100 million m&sup3; of reuse water produced and supplied to the Capuava Petrochemical Complex and industries
in the ABC Region of S&atilde;o Paulo.</P>


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<P STYLE="font: 12pt/107% Calibri Light,sans-serif; margin: 2pt 0 0; color: #4472C4"><B>Water quality control </B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Ensuring the delivery of quality water
is the greatest asset we can offer our customers and one of the greatest assets of our business, and requires careful monitoring throughout
the entire process, from collection and treatment to points of distribution and consumption.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The quality of water distributed is monitored
by Sabesp and inspected by the Sanitary Surveillance units of the S&atilde;o Paulo State. The total number of analyses comprising the
water quality monitoring network, dedicated to conducting tests for turbidity, color, chlorine, and total coliforms, accumulates about
68,000 monthly samples. In addition to these analyses, monitoring of more than 90 parameters is also carried out, under the responsibility
of the 16 quality control laboratories, at various frequencies and points located along the various phases of the supply systems, in addition
to operational control at the water treatment stations conducted by the laboratories located at the stations. Sabesp's laboratories are
accredited to ISO 17.025 and certified by the National Institute of Metrology, Quality and Technology (Inmetro).</P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>Expansion of Sewage Services</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">The sewage collection and transportation
network operated by Sabesp has around 63.6 thousand km and carries sewage to be treated in its 596 Sewage Treatment Stations (STSs), which,
in 2023, ensured that 93% of sewage was collected, 85% of people was served, and 85% of the households were connected to the sewage treatment
service, resulting in approximately 24.9 million people served.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">To continue progressing, the Company holds
actions and has structuring programs to expand the sewage collection and treatment structure, as well as the connections of households
to the collection and treatment system.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">In the Metropolitan Region of S&atilde;o
Paulo, the most complex in terms of expansion of the health sewage structure in the operated area, Sabesp has been counting on the <B>Tiet&ecirc;
Project</B> since 1992 to expand the sewage collection and treatment infrastructure. The project has already provided collection and treatment
services to more than 12 million people.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Since its start, the Company invested
US$ 3.8 billion in the project, leading to significant increases in the coverage rate with collection networks, moving up from 70% to
93%, and in the treatment rate of collected sewage, which increased from 24% to 85% in the area covered by the project.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">Further to the actions of the Tiet&ecirc;
Project, the <B>IntegraTiet&ecirc; Program </B>was launched in March 2023 by the Secretariat of Environment, Infrastructure, and Logistics
of the S&atilde;o Paulo State, and includes short-, medium-, and long-term measures for the cleaning and revitalization of the Tiet&ecirc;
River. Sabesp will be responsible for taking care of the axis related to health and quality of life, which aims at expanding the sanitation
network and waste management.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">The proposal includes expanding the capacity
and modernizing Sewage Treatment Stations with a focus on the circular economy, transforming them into resource recovery units through
the processing of sludge and gas generated in the process, as well as installing photovoltaic plants.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">In the coastal area of the
S&atilde;o Paulo State, the Company maintains the <B>Clean Wave Program</B>, the largest environmental sanitation program on the
Brazilian coast. The purpose of the program is to universalize swage services in the region, contributing to improving health,
quality of life, and beach bathing quality, benefitting approximately
3.5 million people, including the local
population and tourists that visit the region, mainly during summer. The program is in its second stage, and since its inception, in 2007,
118 thousand sewage connections have been implemented, raising the sewage collection rate from 53% to 86%, with 100% of collected sewage
treated. </P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">In 2023, we continued ongoing works, such
as the sewage system in the Gaivotas neighborhood, in Caraguatatuba; the Barra do Una Sewage Treatment Station, and the Maresias Sanitary
Sewerage System, in S&atilde;o Sebasti&atilde;o; the expansion of the Main Ubatuba Sewage System, with the expansion of the STS and the
Tamoios Sewage Pumping Station; and the construction of a new treatment plant and effluent collection network in Ilhabela.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; text-align: justify">In the interior region, nearly all municipalities
operated have universalized service rates, and the Company focuses on expanding the infrastructure to isolated communities, outside the
urban centers.</P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>New Organizational Structure</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">Upon reaching our 50th anniversary,
we renewed and updated our governance structure, and strategically planned to be more consistent and dynamic. One of the main pillars
of the transformation was the reorganization of the areas of operation within the various offices and the creation of new structures that
would optimize the Company's growth within the new scenario in the sanitation sector.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The changes made aimed to bring greater
agility to the decision-making process through a more horizontal and dynamic structure, enabling the generation of scalable, agile, and
efficient solutions to facilitate the adoption of best practices throughout the Company sustainably and innovatively, with data-driven
decisions and aiming to rationalize financial resources.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Within the CEO&rsquo;s Office, the areas
of digital transformation, sustainability, and corporate governance were created, bringing agility and efficiency to the decision-making
process associated with an ESG Agenda in the Company. On the operational side, we feature the unification of two Offices (Metropolitan
and Regional Systems) into the Operations and Maintenance Office, which, with the optimization and horizontalization of the structure,
focuses mainly on operational performance and watershed management, seeking to deliver the best service with the lowest cost and timeframe.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Two new Offices were also created: the
Customers Office, which brings the customer to the center of the strategy, focusing on billing management and customer experience; and
the Regulation and New Business Office, which expands the relationship with regulatory agencies and the granting authority, acting both
in the contractual management of the Company's current businesses and in new concession and public-private partnership contracts.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In the Economic-Financial and Investor
Relations Office, the main changes are related to process integration and review and the incorporation of technological improvements,
with emphasis on the establishment of the Integrated Services area, in the model of a Shared Services Center (SSC), which is in the process
of implementation.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Engineering and Innovation Office
continues to focus on planning, prioritization, and execution of the Company's investments, being responsible, among other matters, for
asset engineering and management, environmental management, and research, development, and innovation.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The People and Corporate Management Office
encompassed activities related to corporate, personnel, asset, and procurement management, as well as legal and compliance areas.</P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>Relationship com Customers</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The creation of the Customer Office
in 2023 reaffirms our commitment to putting customers at the heart of our strategy. The new office aims to foster constructive and inclusive
commercial relationships with customers, focusing on excellence and innovation in customer experience, ensuring their satisfaction, which
we expect to translate into increased revenue. To fulfill this assumption, the Customers Office is structured around two main pillars:
Customer Experience and Billing Protection.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">To ensure the integration of operational
procedures involving customer relationships, 15 Customer Service Departments (SaCs) were created and distributed in the operated area,
responsible for customer service, service provision, billing, collection, and customer satisfaction assessment.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">In 2023, we intensified our digital
transformation by expanding our services to digital relationship channels. With the migration to the virtual environment, the process
gained greater agility, especially in the effectiveness of service, due to a smarter system and simpler and faster negotiations. An example
of this initiative was the consolidation of our WhatsApp, Chat Bot, and the new cloud-based service platform, which provides more consistency
to our customers and supports new Omnichannel communication channels and tools (simultaneous and interconnected use of different communication
channels).</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">Throughout the year, we held two debt
renegotiation fairs, resulting in more than 500 thousand agreements. Additionally, we maintained our strategy of using mobile service
vans parked in various locations to facilitate our customers' access. This initiative allows for the negotiation of overdue bills, updating
customer records, requesting water and/or sewage connections, requesting consumption reviews, or requesting repairs to networks.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">Throughout the year, we added services
and improved customer service through multi-channels. We also opened a new cloud-based Virtual Branch, which is much faster, more secure,
intuitive, and personalized. This platform was designed based on customer feedback. In 2023, our customers&rsquo; satisfaction level was
84%, according to the annual satisfaction survey conducted by GMR Market Intelligence Institute.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Furthermore, we continue to provide an
ombudsman service to customers, which exclusively handles complaints, suggestions, reports, criticisms, and requests for information
about services. Over 2023, the Ombudsman Channel received more than 104.9 thousand complaints, 99.2% of which were solved.</P>


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<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>Innovation and New Businesses </B></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">In 2023, we made progress in structuring innovation
within the concept of Open Innovation, investing in the development and implementation of initiatives that integrate ideas, thoughts,
processes, and research contributions from internal and external stakeholders of the Company.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">Currently, an enhancement is underway in our
structure with the establishment of innovation hubs (HUBs) progressively installed in the different operational and support business units
of the Company. These hubs serve as channels for the entry of new technologies integrated with corporate innovation management.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">We are also developing a digital open innovation
platform to receive proposals from startups and universities in cooperation with the Inter-American Development Bank (IDB) in the public
call for technological innovation projects. These actions aim to encourage creativity and broaden the participation opportunities of employees
from different areas and other companies, aggregate greater effectiveness in idea generation and selection, and develop and disseminate
innovative solutions.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">In the sanitation area, we pioneered the advanced
use of the Building Information Modeling (BIM) methodology, a tool that enables the creation of three-dimensional digital models of engineering
works and integrates information from various disciplines and stages of the project lifecycle. Through BIM, it is possible to plan, design,
build, and operate more efficiently, economically, and sustainably. In 2023, we developed tools to support contracting, modeling, and
standardization of projects and storage, sharing, and management of models and documents within the BIM methodology.</P>

<P STYLE="font: 11pt/11.05pt Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">On another innovation front, we have
adopted artificial intelligence for the detection of non-visible leaks in the water distribution networks of Franca and municipalities
in the region. The technology is based on the sounds generated by leaks to identify and locate points of water leakage that do not surface
in the streets. The methodology provides an improvement in data collection, agility, and greater tracking accuracy, allowing for a rapid
reduction in the volumes of water lost in distribution networks.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">In 2023, we created the Sustainability and Innovation
Committee as an advisory body to the Board of Directors to foster, discuss, review, and supervise sustainability and corporate governance
initiatives and projects, as well as innovation. The Committee also proposes process improvements, goals, and performance aiming to contribute
to the strengthening of our corporate strategy.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">Through the partnership with FAPESP, we are
involved in the development of basic and applied research projects under the Program for Supporting Research in Partnership for Technological
Innovation. The 12 projects selected in the third call for proposals are currently in the development phase. In addition, through a second
partnership with FAPESP, which is part of PIPE (Small Business Innovative Research Program), the first call aimed at accelerating startups
was held in 2022. It is a pioneering opportunity in Brazil for companies with this profile that offer innovative sanitation projects.
The proposals were evaluated and qualified in 2023, and one of them was chosen to develop its project with financial resources from Sabesp.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Aligned with business planning, the structuring
of Research, Development, and Innovation actions is based on the concept of circular economy, within which the waste from a process is
used as inputs for the production of new products and new cycles. Thus, we have been making efforts to leverage innovative projects aimed
at the circular economy, in compliance with ESG principles, such as the use of biomethane for vehicular use and agricultural application
of sludge, among others. As a result, we are studying the replication of the successful model being implemented in Franca, which integrates
the liquid, solid, and gaseous phases of sewage treatment, in six other large-scale sewage treatment plants of the Company.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">On the new business front, we won the
concession of the municipality of Ol&iacute;mpia in May, to provide water supply and sewage services for 30 years starting in December
2023.</P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>People Management </B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Further to the Company&rsquo;s restructuring,
under the new strategic guideline for efficiency and process simplification, we launched the Incentivized Dismissal Program (IDP). The
adhesions to the program occurred in June 2023, and the Company follows a schedule for the termination of participants expected to occur
between July 2023 and June 2024, ensuring that the process takes place gradually and planned, thus avoiding the risk of discontinuity
in activities. Termination costs were recognized in the second quarter of 2023. The IDP had the adherence of 1,862 employees, accounting
for about 15.2% of the Company's workforce in June 2023.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">At the end of 2023, our staff totaled
11,170 employees divided into operational, technical, university, and managerial categories, taking into consideration the level of education,
professional experience, the complexity of duties, and technical qualification. Our workforce is composed of 8,983 men (80.4%) and 2,187
women (19.6%).</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">We adopt a wage policy linked to the Jobs
and Salaries Plan that attracts, retains, and trains qualified and committed professionals, offering career and compensation possibilities
compatible with the market. Aiming to increase engagement and recognize our talents, in addition to the legal benefits, we also offer
our employees meal vouchers, food vouchers, Christmas baskets, private pension plans, medical assistance, and educational assistance.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">We have adopted the competency-based people
management model, which continuously seeks to ensure innovation, flexibility, continuous improvement, high performance, and workforce
engagement. Competency-based people management is a model that allows us to integrate our processes and includes continuing education,
career management, quality of life, management of our organizational culture, and well-being and human resources services, among others.
All employees annually undergo an Evaluation of Skills and Results that lead to the creation of the Individual Development Plan. In 2023,
approximately 4,000 employees were promoted through this process.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company annually establishes a Profit
Sharing Program (PPR) to encourage employees to achieve the organization&rsquo;s goals. The PPR distributed in 2023 used the Company&rsquo;s
total and sectorial performance indicators for 2022, and 79.1%, on average, of the goals, were achieved.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">To encourage the training and
development of its employees, Sabesp has the Sabesp Business University (UES), which celebrated 20 years of history in 2023. The UES
coordinates corporate processes of workforce training and development,
enabling all necessary training for the exercise of professional duties and safety in the workplace. The portfolio of courses and programs
offered by the UES includes paths such as the More Knowledge Program, which provides educational subsidies for professional certification
exams, technical courses at the high school level, undergraduate, graduate, university extension, and language courses to increase the
education level and qualifying employees. In 2023, 458 educational subsidies were granted.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Among the UES programs, we also have the
Leaders Development Program, which aims to develop an innovative leadership culture that leads to actions aimed at establishing a new
organizational culture, with a greater focus on results, innovation, and competitiveness. Furthermore, to develop and stimulate the culture
of innovation and entrepreneurship through the generation and sharing of ideas from employees, we periodically carry out the Sabesp Entrepreneur
Award, which had the participation of 429 professionals in its 6th edition.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">We want our employees to have equal
professional opportunities, and seek to address diversity in a fair and balanced manner. In 2023, we launched the &quot;By Their Side&quot;
campaign, a mentoring program for women, aimed at creating a personalized, trustworthy, and assertive channel. This initiative provides
female employees with the opportunity to talk to people with seniority and decision-making capabilities, who voluntarily make themselves
available for any situation. The network's launch marked Sabesp's clear position regarding gender equity.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company is against prejudice related
to origin, race, gender, color, sexual orientation, age, religious belief, or any other form of discrimination. In the case of non-compliance
with our Code of Conduct and Integrity, we make available the Whistleblower Channel, which operates autonomously and confidentially. The
channel is available for all employees and receives reports on harassment and discrimination.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Harassment Verification Committee
checks the content of the reports and, if discrimination is identified, the accused employee is subject to disciplinary measures. Even
if the report is unfounded, the Committee tends to suggest to the area of origin the implementation of an Action Plan to guide, sensitize,
and raise awareness among employees.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company has historically maintained
a good relationship with representative entities, seeking to meet the main employee demands, always respecting the limits of its financial
capacity and legal and governmental guidelines. In its labor relations, the company prioritizes negotiation as a means of resolving conflicts,
substantially reducing the occurrence of strikes. Of the total employees, approximately 65% are union members.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In May 2023, we signed the 2023/2024 Collective
Bargaining Agreement (ACT) with the unions, which is valid until April 2024. In the Agreement, we recognized 107 union agents/representatives,
who enjoy job security during the ACT's validity. We also admitted the compensation of another 35 union leaders who are away for union
activities and who operate in all our units, so that there are no operations without representation. The ACT resulted in an increase in
salaries, meal vouchers, food assistance, and daycare grants by 4.52% (IPC/FIPE accumulated from May 2022 to April 2023), maintaining
the clause that guarantees the employment of 98% of our employees and the exceptional Christmas food assistance. The turnover rate stood
at 5.7% in 2023.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, we experienced two one-day strikes,
which did not interrupt the essential services we provide. According to the legislation, our non-administrative employees are considered
essential workers and therefore have their right to strike limited.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">At Sabesp, caring for employees&rsquo;
safety and health is an essential factor in increasing productivity and service quality, achieving better results, and promoting their
well-being.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">For this reason, we have an Occupational
Health and Safety Management System (SST) that follows the rules established in the Regulatory Standards of the Ministry of Labor and
Social Security, with elements based on ISO 45001 &ndash; Occupational Health and Safety Management System.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Among the instruments that contribute
to ensuring the lives and health of employees are the identification and analysis of risks, participation and consultation with respective
professionals, their training and awareness, operational controls, evaluations and preparation, emergency response, and Occupational Health
and Safety (OHS) Diagnosis (Documentary Audit). The system covers all workers (both owned and outsourced) and activities carried out in
the Company. Contracted companies must also follow our guidelines and requirements through contractual clauses. To this end, we monitor
their services and work.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">We ensure the quality of OHS processes
using the Preliminary Risk Analysis methodology to detect hazards, assess risks, and adopt control measures in all our activities. The
Risk Management Program (PGR) identifies risks according to the Homogeneous Exposure Groups, through the Risk Inventory, defining which
control measures and corrective actions will be established in an Action Plan. Aligned with the PGR, the Occupational Health Medical Control
Program provides the management of identified occupational risks.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Despite continuous efforts, 117 occupational
accidents occurred in 2023, with a frequency rate of 5.46 accidents per million man-hours worked and a severity rate of 49 accidents per
million man-hours worked. We did not record any fatalities in 2023, and we had 11 cases of employees absent due to occupational diseases.
The absenteeism rate stood at 2.4% in 2023.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Organizational climate management is constant,
and we seek to maintain an excellent climate and a great workplace for all employees through improvement plans at all levels and areas.
In 2023, we re-applied the climate survey, which was conducted during a period of restructuring and changes in the organization. Using
the methodology of the global consultancy GPTW - Great Place to Work&reg;, the survey presented a favorability rate of 64% in its overall
result.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">For further information on people management
at Sabesp, see the Sustainability Report at <FONT STYLE="color: #0563C1">https://ri.sabesp.com.br/a-companhia/relatorio-de-sustentabilidade/</FONT>.</P>


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<P STYLE="font: 20pt/107% Calibri, Helvetica, Sans-Serif; margin: 12pt 0; color: #4472C4"><B>ESG AT THE HEART OF BUSINESS</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, we created a Sustainability and
Corporate Governance Superintendence directly linked to the CEO&rsquo;s Office. The mission of the new area is to centralize the ESG agenda,
promoting greater integration with the business strategy and expanding the scope of the Company's ESG actions. The Superintendence is
responsible for aligning all projects, practices, and initiatives we carry out and developing the guidelines for what should be done in
the ESG journey. With this mapping, it is possible to analyze and choose the most effective practices that deliver greater value to society.
Then, these best practices can be replicated throughout Sabesp, ensuring continuous evolution.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">These are urgent and important topics
that have been addressed by Sabesp in the last few years but are now implemented in a more integrated way, increasingly progressing in
terms of sustainable practices and new market opportunities. The good management of ESG principles enables reducing risks, discussing
sustainable guidelines and metrics, and strengthening the brand image before society, resulting in social-environmental responsibility,
reputation, and higher credibility.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">In 2023, we developed the 1st Framework
for Sustainable Finance, a document describing key information about operations and strategies related to ESG issues, which allows the
Company, upon its publication, to enable green, blue, social, or sustainable fundraising through the issue of financial instruments and/or
securities in the capital market, banking market, and/or through development and multilateral agencies. The type of the Framework is &quot;Use
of Resources&quot;, which is characterized by the allocation of funds raised, or an equivalent amount, to projects that generate positive
environmental and social impacts, or have both impacts.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In addition to these actions, it is worth
noting that the Sustainable Development Goals (SDG), established in the UN&rsquo;s Agenda 2030, are already internally addressed and align
the Company with urgent global requirements. In 2023, we renewed our partnership with the United Nations Framework Convention on Climate
Change (UNFCCC) for three years. The goal is to develop projects and exchange knowledge with UN-affiliated entities and place us as a
model company in terms of SDG compliance, being the only Brazilian company to have such an agreement. In 2023, we participated in a special
delegation at the 28th Conference of the Parties (COP28), a forum linked to the 28th United Nations Climate Change Conference, held in
Dubai (United Arab Emirates), and the initial meeting for the 10th World Water Forum, as a member of the World Water Council.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Below are the Company&rsquo;s main ESG
practices and projects. These and other initiatives are available in detail in the Sustainability Report, on the Company&rsquo;s website
at https://ri.sabesp.com.br/a-companhia/relatorio-de-sustentabilidade.</P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>Environment</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">Environmental issues are addressed in
a cross-cutting manner, allowing the ESG agenda to permeate all levels, from strategic to operational. The high level of employee involvement
results in greater agility in implementing actions, programs, and projects that will lead the Company's name toward its purpose of contributing
to the construction of a more inclusive and sustainable world.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">We are committed to improving the environment,
people's lives, and the planet. According to our <B>Institutional Environmental Policy </B>and considering the current corporate strategy
that places sustainability at the center of business,
corporate environmental programs have gained new momentum, reflecting our commitment to proactively address environmental challenges and
promote sustainable practices.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">Based on the sustainability guidelines
defined at the Company's strategic level, environmental programs are developed and implemented in an integrated manner, consolidating
the culture of environmental protection and strengthening our commitment to environmental compliance and sustainability in providing sanitation
services.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">With the recent reorganization of our
organizational structure, the environmental licensing process for works and projects has been centralized. This change allows for a comprehensive
view of all stages of the process, from conception to decommissioning of facilities, and provides more efficiency and agility in the activities
necessary for licensing.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">For balancing public civil actions and
environmental investigations that involve the Public Prosecution Office, Sabesp has sought the formalization of Consent Decrees (TACs)
and Judicial Agreements (AJs), benefitting the planning and execution of works within feasible deadlines, integrating these obligations
to the Company&rsquo;s budget priorities.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">To offset the environmental impact caused
by the expansion of sanitation systems, the Company formalizes obligations with the environmental authority through <B>Terms of Commitment
for Environmental Recovery </B>(TCRAs). Through the methodology adopted, native regional species are planted, followed by maintenance
activities to accelerate the natural regeneration process of the Atlantic Forest and Cerrado biomes.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">For the effective implementation of plantings,
we have established a Corporate TCRAs Program with Cetesb (Companhia Ambiental do Estado de S&atilde;o Paulo) to expedite these processes.
The Program enabled addressing existing TCRAs, as well as forming a bank of areas to meet future licensing obligations (the total area
under restoration exceeds the total area of committed obligations), resulting in a surplus that can be used to meet future licensing obligations.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">By 2023, approximately 840 thousand seedlings
had been contracted, of which approximately 632 thousand (75.2%) have already been planted under the State Government's Springs Program
and are in the maintenance phase.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">Furthermore, aiming at monitoring and controlling
impacts on biodiversity, the Company manages possible impacts resulting from the implementation of the infrastructure necessary to provide
services even during the environmental licensing phase of the projects and is aligned with the requirements of environmental legislation
at the federal, state, and municipal levels. Accordingly, it is possible to define, where applicable, plans and/or programs that have
measures to prevent or mitigate impacts.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2009, we began the voluntary implementation
of the <B>Environmental Management System </B>(EMS) in WTSs and STSs to identify the demands of the stations and implement the necessary
solutions to maintain environmental and legal compliance. We have adopted two environmental management models: the first is the ISO 14001
standard model, adopted by the 36 stations that have this certification, as well as by stations that are seeking this certification. The
second is our own model, the Sabesp EMS, which uses the principles of the standard as a reference, although it does not require certification for the unit. In
2023, Sabesp EMS reached 678 stations, accounting for 80% of our units in operation.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">One of the objectives of Sabesp&rsquo;s
EMS in the Company is the adoption of good environmental practices in operations. Whenever necessary, resources are allocated for physical
interventions aiming at the adequacy and improvement of the infrastructure of the facilities and their maintenance. The System facilitates
the management of renewal deadlines and compliance with environmental license conditions, grants, and other obligations.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The environmental diagnoses and studies
we carry out during the environmental licensing processes contribute to assessing the impact of interventions on biodiversity and guide
our choices toward alternatives that are more beneficial to the environment. If necessary, we define plans and/or programs that have measures
to prevent or mitigate such impacts. Among them, we can mention the Programs for Fauna Monitoring, Wild Fauna Conservation, Rescue and
Salvage of Wild Fauna, Forest Management and Replacement, and Monitoring Water Quality and Aquatic Life.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">To protect the edges of water sources,
essential for water quality protection and system sustainability, the <FONT STYLE="color: #050505">Company preserves and monitors about
49 thousand hectares of areas in the Atlantic Forest, distributed within and around the MRSP, where the main water sources used for public
supply in the region are located. In this context, the </FONT><B>Metropolitan Watersheds Green Belt Program </B>was created. It integrates
the S&atilde;o Paulo Government State's Springs Program, whose main result was the expansion of vegetation cover around the reservoirs
of the Cantareira System, reaching approximately 80% in 2023.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The <B>Sustainable STSs Corporate Program</B>,
implemented in 2019, aims to develop and disseminate the culture of sustainability by implementing actions that make it possible to transform
the byproducts generated at the STSs such as biogas, sludge, and effluents, into sustainable resources, considering their energy use,
providing greater emphasis on initiatives that aim at contributing to the reduction of greenhouse gas emissions.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The program has its own certification
system and establishes sustainability levels based on the adoption of good practices and interventions for sustainability carried out
at each station. Of the 44 units currently integrated into the Program, 11 have been recognized as sustainable. The other stations are
in the process of studying and implementing infrastructure improvements to obtain their recognition.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify"><FONT STYLE="background-color: white">To
monitor the water use charging process, specific laws, and Basin Plans, we have the <B>Institutional Representation Management Program
in the Water Resources Systems</B>. We are represented in plenary sessions and technical chambers in the 21 State Watershed Committees,
4 Federal Committees covering the S&atilde;o Paulo State, and the State Water Resources Council.</FONT></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">In addition to advertising campaigns
for water conservation, the Company maintains the <B>Water Rational Use Program </B>(PURA), which adopts an incentive policy with technological
actions and cultural changes, bringing solutions for leak detection and repair and replacing conventional equipment with water-saving
equipment, in partnership with public institutions. Additionally, PURA promotes studies for water reuse and awareness through educational
lectures and training.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In addition to expanding sanitation infrastructure,
we maintain a Corporate Environmental Education Program (PEA Sabesp), the Sabesp 3Rs Program aimed at good practices in waste management
generated in administrative areas, Used Cooking Oil Recycling Programs, which encourage proper disposal of the product, Sabespf&eacute;rtil,
an organic fertilizer produced through treated sewage sludge, as well as other initiatives for sludge processing. We also have community
engagement programs, through which our agents promote workshops, courses, visits, and events to encourage collective engagement in the
creation of a healthier urban environment.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">We have a risk matrix that considers,
among the risks and impacts on the provision of our services, those resulting from climate change and extreme events, such as torrential
rains and prolonged droughts. Such events can reduce water availability, compromise facility operation conditions, lead to input supply
restrictions, and change consumption patterns, among others. Accordingly, we make investments in infrastructure to increase water availability
and the resilience, adaptation, and flexibility of our systems.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, for the first year, we celebrated
the achievement of the <FONT STYLE="background-color: white">Gold Seal of the Brazilian GHG Protocol Program, awarded to companies that
present complete greenhouse gas (GHG) emission inventories verified by an independent organism accredited by Inmetro. It is the highest
level of qualification and contribution</FONT> to mitigate GHG emissions, <FONT STYLE="background-color: white">reflecting Sabesp's commitment
to the technical improvement of our inventories and delivery of consistent results.</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The GHG emissions inventories which include
scopes 1, 2, and 3, follow the methodology of the Intergovernmental Panel on Climate Change (IPCC) and have been prepared since 2007.
Data from Sabesp&rsquo;s last available GHG emission inventory, referring to 2022, which accounts for emissions from our processes, confirms
that sewage collection and treatment activities (included in Scope 1) continue to be the largest sources of emissions, accounting for
91.8% of the total. Electricity consumption accounted for 5.7% of the total while other activities accounted for approximately 2.5%.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">It is worth noting that the expansion
of sewage collection and treatment systems brings a progressive increase in GHG emissions and, therefore, a greater generation of biogas
and waste at STSs. On the other hand, the expansion of basic sanitation directly contributes to the reduction of GHG emissions from water
bodies.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">As for reducing emissions, additional
efforts toward the universalization of sewage treatment are required through adjustments and operating improvements aimed at the sustainability
of processes, including the optimization of operations and the implementation of less carbon-intensive initiatives.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Among the actions to mitigate GHG emissions,
we can highlight projects with positive impacts in the reduction of GHG emissions, which have been implemented and are under development,
aiming at biogas energy use, hydroelectric potentials, and generation of inputs for agricultural activities, sustainability of the vehicle
fleet, and forest restoration and maintenance.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Regarding electricity consumption, a key
input in the provisions of basic sanitation services, in 2023, we used 2,657 GWh, down by 3.4% from the 2,752 GWh used in 2022. In 2023,
we acquired approximately 64.7% of our total energy
consumption in the Free Market Tariff (ACL) and 35.3% in the Regulated Market Tariff (ACR).</P>


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<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Through SPE Paulista Geradora de Energia,
we are coupling small hydroelectric power plants to the Cantareira System installed at the arrival of raw water and installing floating
photovoltaic panel plants to harness energy generation potentials in watershed areas, on the water surface of dams and reservoirs.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, Incentivized Energy Source in
ACL accounted for 14% of the total consumed by our activities. The <B>Program for Distributed Generation of Photovoltaic Energy </B>started
the operation of 11 other plants, totaling 16 plants in operation and 19.5 MW of generation (34% of the total), with the program expected
to be implemented in 2025.</P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; color: #4472C4"><B>Social</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In its pursuit to contribute to the professional
and personal development of its employees, the Company works on the training and engagement of its workforce, identifying talents, providing
continuous access to operational, technological, and managerial knowledge, and creating safe, healthy, and innovation-friendly environments
to enhance values, especially with the new reality imposed by the New Legal Framework for Sanitation, with increased competitiveness in
the sanitation market. For further information on Sabesp&rsquo;s people management, see item &ldquo;People Management&rdquo; of this Report.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">In addition to taking care of the people
who make up the Company's workforce, Sabesp focuses its efforts on serving the general population with excellence in service delivery,
with significant positive impacts on society, contributing to delivering more quality of life and dignity to the entire population. In
underprivileged communities, we operate with lower tariffs and social programs that allow for income, education, and healthcare.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company continued progressing in 2023
to provide increased basic sanitation to social groups and communities served, mainly the most vulnerable ones. We maintained programs,
actions, and projects to strengthen dialogue and relationship with this public, with initiatives aligned with the regional and socio-economic
features of the areas and communities to be benefitted.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company uses its <B>&Aacute;gua Legal
Program</B> to tackle the problem of accessing water in irregularly settled communities, which are precariously supplied by improvised
pipes that are subject to contamination. Households served are automatically included in the social water tariff for two years, which
can be renewed. By 2023, the program had already regularized 142,942 water connections and 13,809 sewage connections only in the MRSP,
benefiting over half a million people.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The <B>social and vulnerable tariff </B>is
a benefit granted to low-income families or those in vulnerable situations, covering all municipalities operated by Sabesp. At the end
of 2023, the benefit was granted to 964,720 low-income families, of which 560,379 from the Social category (R$ 11.19 for consumption of
up to 10 thousand liters of water per month) and 403,981 from the Vulnerable category (R$ 8.53 for consumption of up to 10 thousand liters
of water per month). In 2023, 119,884 families were benefitted in both categories.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">With the <B>Clean Stream Program</B>,
an initiative in partnership with the S&atilde;o Paulo Municipal Government, Sabesp has already cleaned and monitored 161 streams in the
S&atilde;o Paulo capital, benefitting more than 3 million people. Currently, our task is to map, inspect, and maintain collection networks,
execute relocation works, connections, interconnections, and extension of collection networks, and monitor the water quality of streams.
We also conduct awareness and environmental education of the local population about indiscriminate dumping of garbage in watercourses
or even on the streets.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Furthermore, aiming at generating positive
social value by promoting solidarity with vulnerable groups or communities through company actions or actions in partnership with civil
society organizations, Sabesp develops the <B>Corporate Volunteer Program</B>. Among the actions developed in 2023, the highlight was
the SOS North Coast where we assisted families affected by rains, contributing with donations of food, clothing, hygiene, and cleaning
products. More than 105 tons of food, over 123 thousand pieces of clothing, and more than 75 thousand hygiene and cleaning items were
collected.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">To assist more vulnerable communities
in generating new sources of income, the Company has the <B>Teaching to Fish Program</B>, through which a free course on residential hydraulic
installations is made available to low-income and/or unemployed people. The classes cover topics such as the environment, tariff calculation
(water bill), family sewage system, cold water installation, leakage research, metal and sanitary ware installations, entrepreneurship,
and employability.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify; background-color: white">Sabesp also
promotes actions toward the efficient and responsible use of water, spreading the awareness on the finitude of water resources. The recent
climate uncertainties reinforce the importance of these initiatives, which have been contributing to the average per capita reduction
in water consumption in the last few years.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify; background-color: white">&nbsp;</P>

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 6pt; color: #4472C4"><B>Governance</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Sabesp is a publicly-held company controlled
by the S&atilde;o Paulo State, which holds most of the Company&rsquo;s shares. The remaining shares are traded on the S&atilde;o Paulo
stock exchange, in the Novo Mercado segment of B3 S.A. &ndash; Brasil, Bolsa, Balc&atilde;o , and on the New York stock exchange, as Level
III American Depositary Receipts. The Company was the first in the Brazilian sanitation sector to become part of both segments in 2002.
Strong and consolidated governance is one of the Company&rsquo;s strengths.</P>


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<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center"><IMG SRC="sbsdf20236k_002.jpg" ALT=""><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 107%"></FONT></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">For being controlled by the State and
operating in a regulated environment, the Company is also subject to the controls of environmental and sectorial regulatory authorities,
as well as to the Accounting Court of the S&atilde;o Paulo State. In addition, we participated in the National Corruption Prevention Program
(PNPC), coordinated by the Control Network in the States and sponsored by the Office of the Federal Controller General (CGU) and the Federal
Accounting Court (TCU).</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company&rsquo;s strategic guidelines
are defined by the Board of Directors, which is currently composed of 10 members, one of whom is the CEO and another one represents the
employees. Four of the 10 Board members are independent and one of them is the representative of the minority shareholders. The Board
of Directors is assisted by a Statutory Audit Committee, whose members are all independent.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Executive Board, which was renewed
in early 2023, is responsible for the Company&rsquo;s executive management and is currently composed of seven members, of whom three
are women and four are men. For further information on the profile of the Executive Board&rsquo;s members, visit <FONT STYLE="color: rgb(68,114,196)"><U>https://ri.sabesp.com.br/governanca-corporativa/conselhos-comites-do-conselho-e-diretoria</U></FONT>.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Through an independent consulting firm,
the Company annually evaluates the Board of Directors, statutory committees, and the Executive Board and their committees, in a collegiate
and individual manner, including matters related to the members&rsquo; performance and conduct. The result of the evaluation is used to
instruct the implementation of improvements in the organization and identify matters to be improved by the Board of Directors and Executive
Board.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company also has a permanent Fiscal
Council, installed since its creation, currently composed of four sitting members and four alternate members. Minority shareholders have
the right to appoint representatives (both sitting and alternate), but currently, there are no nominations from them.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Eligibility and Advisory Committee,
composed of three members, all appointed by the majority shareholder, is responsible for overseeing the processes of appointment and evaluation
of executive officers and fiscal council members, under the Bylaws and the State-Owned Companies Law.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Through an independent consulting firm,
we annually evaluate the Board of Directors, statutory committees, and the Executive Board. The evaluation addresses the adoption of good
corporate governance practices and sustainability principles, the effectiveness of management performance, the contribution to results, and, among
others, the implementation of goals and guidelines outlined in the strategic plans. The evaluation results are submitted to the State
Capital Defense Council (Codec) and are used to guide the implementation of improvements in the organization and functioning of its units,
as well as to identify topics that should be developed and explored.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">Every newly arrived member of the Board
of Directors and Executive Board must participate in an integration program. This program presents our business processes and key institutional
documents. The program includes training on the Code of Conduct and Integrity, corporate and capital market legislation, risk management
policy, information disclosure, and internal controls. The training is offered every year and to the members of the Fiscal Council.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The annual overall compensation to be
paid to Management and members of the statutory committees and Fiscal Council is approved by the General Shareholders&rsquo; Meeting.
The total compensation paid in 2023, in gross amounts, considering benefits, totaled R$ 9.5 million, including around R$ 1.9 million referring
to the Executive Officers' variable compensation.</P>

<P STYLE="font: 12pt/107% Calibri Light,sans-serif; margin: 2pt 0 0; color: rgb(68,114,196)"><B>Integrity </B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">We strive for the Company to be a reference
in ethics and integrity for society. That's why we have structured an effective <B>Integrity Program</B>, whose goal is to engage everyone
in following ethical values and principles in all tasks and relationships. Accordingly, we encourage transparent communication and decision-making
that continuously seek to prevent behaviors related to corruption, fraud, and bribery.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The program also aims to improve employee
satisfaction and retention by providing a favorable organizational climate, increasing internal trust, strengthening our reputation, and
obtaining benefits such as reducing legal and regulatory risks, including harmful acts to the government.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The program is based on Brazilian and
international laws, such as Law 12,846/2013, Law 13,303/2016, and the Foreign Corrupt Practices Act (FCPA), and includes internal mechanisms
for monitoring and encouraging the reporting of irregularities, establishing guidelines and principles that guide all our stakeholders.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">To disseminate and foster a culture
of integrity, we also conduct training sessions that include members of the Executive Board, Board of Directors, and Statutory Committees,
addressing ESG themes, with an emphasis on governance in state-owned companies, the role of the Board in decision-making, ethics and integrity,
and the Sustainability Committee.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The pillar of this ethical and integrity
commitment is the <B>Code of Conduct and Integrity</B>, the main corporate instrument to disseminate both the ethical conduct expected
and the behaviors not tolerated by the Company, guiding its Board members, executive officers, employees, apprentices, interns, service
providers, and partners, joining Sabesp, to develop the culture of integrity.</P>

<P STYLE="font: 11pt/11.05pt Calibri, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify">The <B>Ethics Committee</B>, linked
to the Board of Directors and endowed with independence and autonomy, has the mission to disseminate, apply, and continuously update the
Code of Conduct and Integrity, adapting it to reflect current scenarios and stimulate the commitment of administrators and employees to
the principles established therein.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">To ensure compliance with the Code of
Conduct and Integrity, the Company provides the Trust Channel, aimed at solving doubts and guiding employees, and the Whistleblower Channel,
managed by a specialized third-party company, <FONT STYLE="background-color: white">with the guarantee of information confidentiality
and whistleblower anonymity</FONT>, aiming to detect and monitor misconduct, which are investigated and subject to disciplinary measures.
The Ethics Committee is responsible for evaluating the results of the investigations received and the inquiries made through the channels,
as well as the recommendations for preventive and corrective measures to be adopted.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">In 2023, <FONT STYLE="background-color: white">572
reports were recorded in the Whistleblower Channel and 80 penalties were applied, among company employees and outsourced employees, of
which 21 warnings, 11 suspensions, and 48 dismissals. </FONT>It is worth noting that<FONT STYLE="background-color: white">, among the
penalties applied and cases investigated, there are no indications of the participation of Company employees in acts of corruption.</FONT></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">In 2023, Sabesp conducted 840 transaction analyses,
focusing on conflicts of interest involving related parties. Starting in November, all transactions must be consulted before being formalized,
and 116 reputational analyses (Integrity Background Checks) were performed.</P>

<P STYLE="font: 12pt/107% Calibri Light,sans-serif; margin: 2pt 0 0; color: #4472C4"><B>Risk Management</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">To manage its risks, the Company has a
Compliance and Risk area, created to, among other related functions, identify and manage corporate and operational risks, aiming to enhance
corporate governance and the execution of strategic planning.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Company also has the Corporate Risk
Management Committee, which is advisory and permanent in nature, reporting to the Executive Board, responsible for monitoring the annual
corporate risk management work plan approved by the People and Corporate Management Office. The Committee evaluates the Corporate Risk
Management Policy and the levels of authority for approval and risk treatment; monitors the activities of risk identification, analysis,
assessment, treatment, communication, and monitoring; tracks the progress of the implementation of mitigating action plans and risk indicators,
and evaluates the corporate risk map; and advises the Executive Board on matters related to corporate risk management.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 6pt 0 8pt; text-align: justify">The <B>Corporate Risk Management Policy
</B>aims to guide the Company in the practice of assessing risks in the corporate environment and contributes to the enhancement of governance,
business planning, and value preservation and generation. To ensure systematic and standardized risk management, the Policy establishes
guidelines, concepts, and competencies for conducting the risk management process, according to internally defined methodology, based
on ISO 31000 standards and, above all, on the international COSO ERM model: Committee of Sponsoring Organizations of the Treadway Commission
- Enterprise Risk Management 2017.</P>

<P STYLE="font: 12pt/107% Calibri Light,sans-serif; margin: 2pt 0 0; color: #4472C4"><B>Internal Controls</B></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The evaluation of internal controls is
carried out by the internal audit, which is functionally subordinated to the Board of Directors through the Audit Committee and, administratively,
to the Company's CEO&rsquo;s Office. The area is responsible for assessing the adequacy of internal controls, the effectiveness of risk
management, and governance processes, conducting audit projects based on the Annual Plan approved by the competent authorities, and investigating
occurrences and coordinating investigative inquiries.</P>


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<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2022, the assessment of effectiveness,
which comprised 225 internal controls, did not identify any material deficiencies. The tests for 2023, in line with the independent audit
schedule, will be disclosed in the second quarter of 2024.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The audit of our financial statements
and review of quarterly information and financing projects are performed by external auditors, ensuring the reliability of the data presented,
which was once again recognized by the <FONT STYLE="color: #262626">National Association of Finance, Administration, and Accounting Executives
(Anefac)</FONT>, which awarded Sabesp with the <FONT STYLE="color: #262626"><B><I>2023 Transparency Trophy</I></B>, in the category Publicly-Held
Companies with net revenue of more than R$ 20 billion</FONT>.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">We currently rely on the external audit
BDO RCS Auditores Independentes, which started reviewing the quarterly information for September 30, 2023.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">For further information on the structure
and operation of Sabesp&rsquo;s Corporate Governance, access the sections on the item &ldquo;Corporate Governance&rdquo; on the Company&rsquo;s
website (<FONT STYLE="text-decoration: underline; color: rgb(5,99,193)">https://ri.sabesp.com.br</FONT>).</P>


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<P STYLE="font: 18pt/107% Calibri, Helvetica, Sans-Serif; margin: 12pt 0; color: #2F5496"><B>ECONOMIC AND FINANCIAL PERFORMANCE </B></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, the Company reported a net income
of R$ 3.5 billion, compared to the R$ 3.1 billion recorded in 2022, an increase of R$ 402.2 million, or 12.9%. The accounting data presented
in this report does not include operations in the municipality of Ol&iacute;mpia.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: center"><B>Profit track record </B></P>

<P STYLE="font: 12pt/115% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center; text-indent: 14.2pt"><IMG SRC="sbsdf20236k_003.jpg" ALT=""><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 115%"></FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0; text-align: justify">The net operating revenue (which includes
construction revenue) totaled R$ 25.6 billion, an increase of 15.9% over 2022.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: center"><B>Net operating revenue track record</B></P>

<P STYLE="font: 12pt/115% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center; text-indent: 14.2pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 115%"><IMG SRC="sbsdf20236k_004.jpg" ALT=""></FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 8pt; text-align: justify">The gross operating revenue from sanitation
services, which excludes construction revenue, totaled R$ 21.5 billion, an increase of R$ 2.9 billion (+15.5%) over the R$ 18.6 billion
recorded in 2022.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The main factors responsible for the gross
operating income increase were the 12.8% tariff adjustment applied since May 2022, the 9.6% tariff adjustment since May 2023, a 3.0% increase
in total billed volume, and a higher average tariff due to higher volume billed in the non-residential category.</P>


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<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Construction revenue increased by R$ 736
million (+15.1%) over 2022, due to higher investments made.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: center"><B>Gross operating revenue track record</B></P>

<P STYLE="font: 12pt/115% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center; text-indent: 14.2pt"><IMG SRC="sbsdf20236k_005.jpg" ALT=""></P>

<P STYLE="font: 12pt/115% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center; text-indent: 14.2pt">&nbsp;<FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 115%"></FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Costs, administrative and selling expenses
increased by R$ 1,118.9 million in 2023 (+8.8%). Costs, administrative, and selling expenses as a percentage of net revenue (excluding
construction revenue) were 69.1% in 2023 compared to 73.8% in 2022.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Excluding the provision for the IDP,
the increase was R$ 589.3 million (+ 4.6%) and these expenses as a percentage of net revenue came to 66.5%. For more information on the
breakdown and changes in costs and expenses, see the Results Press Release, available on the Company&rsquo;s website at <FONT STYLE="color: #0563C1"><U>https://ri.sabesp.com.br/informacoes-financeiras/central-de-resultados</U></FONT>.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Adjusted EBITDA totaled R$ 9,104.7 million,
up by 28.5% over the R$ 7,087.7 million reported in 2022. The Adjusted EBITDA margin was 35.6% in 2023, compared to 32.1% in 2022. Excluding
the effects of revenue and construction costs, the adjusted EBITDA margin reached 45.0% in 2023, compared to 40.6% in 2022.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: center; color: #4472C4"><B>Adjusted EBITDA and
Adjusted EBITDA Margin Track Record</B></P>

<P STYLE="font: 12pt/115% Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center; text-indent: 14.2pt"><IMG SRC="sbsdf20236k_006.jpg" ALT=""></P>

<P STYLE="font: 12pt/115% Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center; text-indent: 14.2pt">&nbsp;<FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 115%"></FONT></P>


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<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Excluding the effect of the IDP, adjusted
EBITDA grew by 35.9%, from R$ 7,087.7 million in 2022 to R$ 9,634.3 million in 2023, and the adjusted EBITDA margin reached 37.7%, compared
to 32.1% recorded in the previous year. Excluding construction revenue, the adjusted EBITDA margin reached 48.2% in 2023, compared to
41.2% in 2022.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="background-color: #0070C0">
    <TD COLSPAN="6" STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white; line-height: 107%"><B>Adjusted EBITDA Reconciliation<SUP>1</SUP> (Non-accounting measures) (R$ million)</B></FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="white-space: nowrap; width: 35%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%">&nbsp;</TD>
    <TD STYLE="width: 13%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white; line-height: 107%">2023</FONT></TD>
    <TD STYLE="width: 13%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white; line-height: 107%">2022</FONT></TD>
    <TD STYLE="width: 13%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white; line-height: 107%">2021</FONT></TD>
    <TD STYLE="width: 13%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white; line-height: 107%">2020</FONT></TD>
    <TD STYLE="width: 13%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; color: white; line-height: 107%">2019</FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Net income</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">3,523.5</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;3,121.3 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;2,305.9 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;973.3 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;3,367.5 </FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">PDI</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">529.6</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Financial result</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,588.8</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">372.4 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;927.4 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;3,166.4 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;1,033.7 </FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Depreciation and amortization</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2,790.2</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;2,450.8 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;2,253.3 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;2,037.1 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;1,780.2 </FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Income tax and social contribution</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,230.1</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;1,151.5 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;864.3 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;352.7 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;1,310.4 </FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Other net operating income/expenses<SUP>2</SUP></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">(27.9)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;(8.3)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;21.8 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;(107.7)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;18.7 </FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Adjusted EBITDA (excluding the PDI)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">9,634.3</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;7,087.7 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;6,372.7 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;6,421.8 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;7,510.5 </FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Adjusted EBITDA margin (excluding the PDI)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">37.7</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;32.1 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;32.7 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;36.1 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;41.8 </FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Construction revenue</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">5,600.3</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;(4,863.8)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;(4,376.7)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;(3,716.6)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;(2,946.6)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Construction Costs</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">(5,474.7)</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;4,754,4 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;4,278.3 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;3,630.1 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;2,881.4 </FONT></TD></TR>
  <TR STYLE="background-color: #DCE6F1">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Adjusted EBITDA excluding revenue and construction costs and the PDI</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">9,508.7</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">6,978.3</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">6,274.3</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">6,335.3</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">7,445.3</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">(%) Adjusted EBITDA margin (excluding the PDI) on Net Revenue, excluding Construction</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">48.2</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">41.2</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">42.1</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;45.6 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;49.9 </FONT></TD></TR>
  </TABLE>
<P STYLE="font: 14pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; color: #4472C4"><B>&nbsp;</B></P>


<HR ALIGN="LEFT" SIZE="1" STYLE="width: 33%">

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif"><SUP>1</SUP></FONT>
Adjusted EBITDA corresponds to net income before: (i) depreciation and amortization expenses; (ii) income tax and social contribution
(federal income taxes); (iii) financial income and (iv) other net operating expenses. Adjusted EBITDA is not a measure of financial performance
according to the accounting practices adopted in Brazil, or IFRS - International Financial Reporting Standard; thus, it should not be
considered in isolation, or as an alternative to net income, as a measure of operating performance, an alternative to operating cash flows,
or a liquidity index. Adjusted EBITDA does not have a standardized definition, and the Company's definition of Adjusted EBITDA may not
be comparable with those used by other companies. The Company's management believes that Adjusted EBITDA provides a useful measure of
its performance, which is widely used by investors and analysts to assess performance and compare companies. The calculation of adjusted
EBITDA by other companies may differ from the Company. Adjusted EBITDA is not part of the financial statements.</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Adjusted EBITDA is intended to present an indicator
of operational economic performance. Sabesp&rsquo;s Adjusted EBITDA corresponds to net profit before net financial expenses, of income
tax and social contribution (federal taxes on income), depreciation and amortization and other net operating expenses. Adjusted EBITDA
is not a financial performance indicator recognized by the Corporation Law Method and shall not be considered individually or as an alternative
to net income as a measure of operating performance, as an alternative to operating cash flows, or as a liquidity indicator. Sabesp's
Adjusted EBITDA serves as a general indicator of economic performance and is not affected by debt restructuring, interest rate fluctuations,
changes in tax burden or depreciation and amortization levels. As a result, Adjusted EBITDA serves as a suitable instrument to compare
operating performance on a regular basis. In addition, there is another formula to calculate the Adjusted EBITDA that is adopted in some
financial commitment clauses. The Adjusted EBITDA provides a better understanding not only of operating performance but also the ability
to meet the Company's obligations and to raise funds for investments in capital assets and working capital. Adjusted EBITDA, however,
has limitations that prevent it from being used as a profitability indicator because it does not take other costs resulting from Sabesp's
activities or some other costs into account that may considerably affect its profits, such as financial expenses, taxes, depreciation,
capital expenditures, and other related charges.</P>

<P STYLE="font: 8pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><SUP>2</SUP> Other net operating income/expenses refer
mainly to the write-off of property, plant, and equipment, provision for loss with intangible assets, loss with economically unfeasible
projects, deducted from sales revenue of property, plant, and equipment, sale of notices, indemnifications and refund of expenses, fines
and collaterals, property leases, reuse water, Pura and Aqualog projects and services.</P>

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<P STYLE="font: 14pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; color: #4472C4"><B>Fundraising and Indebtedness</B></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">Sabesp has a consolidated reputation
in the capital market and solid relationships with public banks and multilateral Brazilian and international agencies. This mix and diversity
of sources provide us with an extended debt amortization profile, at costs compatible with our investment cycle, especially credit lines
granted by official Brazilian banks and multilateral credit organizations, as well as through the increasing issue of incentive debentures
in the capital market.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">In 2023, the Company prioritized the
contracting of debt in local currency, totaling R$ 1.47 billion. Moreover, R$ 926.0 million related to reimbursements for financing investments
already contracted in previous years were recorded.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">On May 19, 2023, the Company raised R$
470.0 million with the Inter-American Investment Corporation (IDB INVEST). The proceeds from this contract will be used to partially finance
the Company&rsquo;s investments related to the 4th Stage of the Tiet&ecirc; River Cleaning Project. The principal will be amortized in
semi-annual payments in December and June, starting in December 2023 and ending in December 2036. Interests mature semi-annually in June
and December, starting in June 2023 and ending in December 2036, at CDI + 0.5% p.a. The loan is collateralized by Soci&eacute;t&eacute;
de Promotion et de Participation pour la Coop&eacute;ration Economique (PROPARCO). Interests mature semi-annually in June and December,
starting in June 2023 and ending in December 2036, at CDI + 2.0% p.a.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">On June 14, 2023, Sabesp contracted financing
of R$ 1.0 billion with the International Finance Corporation (IFC). The proceeds were raised in September and November 2023 and will be
exclusively used to cover the costs of the New Pinheiros River Program. The principal will be amortized in semi-annual payments in October
and April, starting in October 2025 and ending in April 2033. Interests mature semi-annually in October and April, starting in October
2023 and ending in April 2033, at CDI + 1.7% p.a.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">On March 05, 2024, we held the 31st Issue
Debentures, in three series, totaling R$ 2.94 billion. The first, second, and third series will mature in February 2029, 2031, and 2034,
respectively. The first, totaling R$ 507.0 million, yields CDI + 0.49% p.a., with semi-annual interest payments. The second, totaling
R$ 1.73 billion, yields CDI + 1.10% p.a., with semi-annual interest payments. The third, totaling R$ 699.0 million, yields CDI + 1.31%
p.a., with semi-annual interest payments. The proceeds from the issue will be used to refinance financial commitments falling due in 2024
and to recompose and reinforce the cash position. The Debentures are characterized as &ldquo;ESG bonds for the use of sustainable and
blue resources&rdquo;, based on the Company&rsquo;s commitment to allocate the equivalent amount in projects described in the Sustainable
Finance Framework, which was duly verified and validated through a second opinion report issued by Attest ESG from Exame Ltda.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 12pt; text-align: justify">In 2023, the risk rating agencies have
not changed the Company&rsquo;s ratings, on the national scale, which remain as &lsquo;AAA&rsquo;. In July, Fitch upgraded the Company&rsquo;s
global scale rating in foreign currency from BB to BB+. In December, S&amp;P upgraded the Company&rsquo;s global scale rating from BB-
to BB.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="background-color: #0070C0">
    <TD STYLE="white-space: nowrap; width: 32%; border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 30%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; color: white; line-height: 107%"><B>Fitch</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 19%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; color: white; line-height: 107%"><B>Moody&rsquo;s</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 19%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; color: white; line-height: 107%"><B>S&amp;P</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">National Scale</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">AAA(bra)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">AAA.br</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">brAAA</FONT></TD></TR>
  <TR STYLE="background-color: white">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Global Scale</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/107% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: center">BB+ (foreign currency)</P>
    <P STYLE="font: 9pt/107% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: center">BB+ (local currency)</P></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">BB</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 8pt 0; text-align: justify">In the fiscal year ended December 31, 2023,
the Company met all the requirements (covenants) of its borrowings and financing agreements. The table below shows the most restrictive
clauses in 2023:</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top; background-color: #4472C4">
    <TD STYLE="width: 71%; border-top: #4472C4 1pt solid; border-bottom: #4472C4 1pt solid; border-left: #4472C4 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 29%; border-top: #4472C4 1pt solid; border-right: #4472C4 1pt solid; border-bottom: #4472C4 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; color: white; line-height: 110%"><B>Covenants</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D9E2F3">
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; border-left: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>Adjusted EBITDA / Adjusted Financial Expenses</B></FONT></TD>
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 110%">Equal to or higher than 2.80</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; border-left: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>EBITDA / Financial Expenses Paid</B></FONT></TD>
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 110%">Equal to or higher than 2.35</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D9E2F3">
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; border-left: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>Adjusted Net Debt / Adjusted EBITDA</B></FONT></TD>
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 110%">Equal to or lower than 3.80</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; border-left: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>Net Debt / Adjusted EBITDA</B></FONT></TD>
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 110%">Equal to or lower than 3.50</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D9E2F3">
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; border-left: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>Other Onerous Debt<SUP>(1) </SUP>/ Adjusted EBITDA</B></FONT></TD>
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 110%">Equal to or lower than 1.30</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; border-left: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt"><B>Adjusted Current Liquidity</B></FONT></TD>
    <TD STYLE="border-right: #8EAADB 1pt solid; border-bottom: #8EAADB 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Calibri, Helvetica, Sans-Serif; font-size: 11pt; line-height: 110%">Higher than 1.00</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt/115% Calibri, Helvetica, Sans-Serif; margin: 6pt 7.1pt 8pt 0; text-align: justify">(1) The contractual definition
of &ldquo;Other Onerous Debts&rdquo; corresponds to the sum of pension obligations and healthcare plan, installment payment of tax debts,
and installment payment of debts with the electricity supplier.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 8pt 0; text-align: justify">Total debt increased by 3.0% in 2023, from
R$ 19.0 billion in 2022 to R$ 19.5 billion in 2023. Total indebtedness denominated in foreign currency fell by 1.1%, from R$ 2.8 billion
in 2022 to R$ 2.7 billion in 2023, accounting for 14.1% of the Company's total debt at the end of the period (14.6% in 2022).</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Amortization in local and foreign currencies
totaled R$ 1.8 billion in 2023.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">At the end of 2023, we had R$ 16.9 billion
in long-term debt, R$ 2.5 billion of which was in foreign currency. Short-term debt totaled R$ 2.6 billion, of which R$ 250.0 million
was in foreign currency.</P>

<P STYLE="font: 14pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 6pt; color: #4472C4"><B>Stock Market</B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The Brazilian market closed 2023 on an
upward trend, with expectations of interest rate reduction. The Ibovespa index reached its historical peak of 134,000 points. Compared
to the previous year, the stock market showed a 22.3% appreciation, contrary to the inflation trend, which decreased during the period,
with the IPCA index closing at 4.6%.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In addition to the Ibovespa, the Company
is included in the main Brazilian broad indexes, such as the IBRA (Brazil Broad Index), IBrX 100 (Brazil 100 Index), and indexes of companies
with a high degree of corporate governance such as IGCT (Corporate Governance Trade Index), IGCX (Differentiated Corporate Governance
Stock Index), and ITAG (Differentiated Tag Along Stock Index). In 2023, Sabesp's shares followed the market trend, maintaining the upward
curve from the previous year and ending the period with
an accumulated variation of 32%, priced at R$ 75.34 and a market cap of R$ 51.5 billion.</P>


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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">Amid a more favorable context in the Brazilian
capital market, with the reduction in inflation linked to the decrease in domestic interest rates and high interest rates in the US market,
Sabesp's shares were boosted by measures implemented throughout 2023, such as corporate restructuring, cost reduction, increased efficiency,
and mitigation of regulatory risks. The market value generated in the period was R$ 12.4 billion, driven by the positive perception of
shareholders and investors in general, reflected in the fundamentals and valuation by major market analysts.</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The annual financial turnover of shares
on B3 contracted from R$ 46 billion in the previous year to R$ 41 billion in 2023, which may indicate a trend towards longer-term strategies
in the Company. The top 10 institutional shareholders of the Company increased their positions and accounted for 15% of the Company&rsquo;s
total shareholder base, excluding shares held by the controlling shareholder and ADRs, which accounted for 61.7%, maintaining a stable
profile of the shareholder structure.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The American Depositary Receipts (ADRs)
appreciated by 47% under the same fundamentals of the local market and the 8% depreciation of the U.S. dollar, which may be related to
the decrease in the number of shares traded at NYSE, reducing the Company&rsquo;s share capital from 12.1% in 2022 to 11.4% in 2023. The
S&amp;P 500 market index depreciated by 20% in 2023.</P>

<P STYLE="font: 14pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 6pt; color: #4472C4"><B>Dividends </B></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">According to the Company's Bylaws, the
common shares are entitled to minimum mandatory dividends, corresponding to 25% of the net profit for the year, obtained after the deductions
determined or allowed by law, and can be paid as interest on own capital.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">The dividend distribution policy foresees
that the payment of minimum mandatory dividends will be maintained until the universalization of the basic sanitation services is reached
in the operated area and, when paid as interest on own capital, the income tax rate charged on the amount payable to shareholders will
be considered an additional minimum dividend.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">In 2023, Sabesp paid dividends as interest
on capital totaling approximately R$ 872.2 million for 2022, corresponding to approximately R$ 1.2760 per common share, a payout of 27.9%,
and a dividend yield of 2.2%.</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt; text-align: justify">For 2023, the Board of Directors approved
the proposal to pay interest on own capital, totaling R$ 984.5 million, corresponding to R$ 1.4404 per common share, a payout of 27.9%,
and a dividend yield of 1.9%, with payment scheduled for June 24, 2024.</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 10pt; text-align: justify">&nbsp;</P>



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<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Statements of Financial Position as of December 31, 2023 and
2022</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: left"><B>In thousands of reais</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 49%; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>Assets</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; width: 9%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Current</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Cash and cash equivalents</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">7</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">838,338</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,867,485</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">838,484</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Financial investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">8</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,425,921</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,677,873</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,426,752</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">10 (a)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,580,962</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,062,574</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,584,287</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Accounts receivable from related parties</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">11 (a)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">261,273</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">205,793</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">261,280</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Inventories</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">85,953</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">124,247</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">86,008</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Restricted cash</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">9</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">54,944</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">37,474</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">54,944</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Taxes Recoverable</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">18 (a)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">494,645</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">242,906</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">494,647</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Other assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">37,296</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">66,312</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">37,048</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total current assets</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,779,332</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,284,664</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,783,450</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">10 (a)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">272,436</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">215,234</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">272,436</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Accounts receivable from related parties</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">11 (a)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">935,272</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">950,950</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">935,272</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">130,979</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">170,093</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">130,979</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Deferred income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19 (a)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">98,076</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">98,076</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Water and Basic Sanitation National Agency &ndash; ANA</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,673</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">9,193</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,673</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Other assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">237,628</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">146,362</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">159,017</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">12</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">161,863</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">110,765</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">161,863</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">13</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">46,678</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">46,726</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">46,678</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Contract asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">14</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">7,393,096</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">8,613,968</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">7,393,096</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Intangible assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">43,865,269</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">39,320,871</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">44,012,858</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Property, plant, and equipment</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">16</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">474,559</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">338,939</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">474,559</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total noncurrent assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">53,618,529</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,923,101</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">53,687,507</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total Assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">61,397,861</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">57,207,765</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">61,470,957</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 45; Options: NewSection; Value: 44 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 7pt Georgia, Times, Serif; margin: 0">The accompanying notes are an integral part of these financial statement.</P></TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->44<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Statements of Financial Position as of December 31, 2023 and
2022</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: left"><B>In thousands of reais</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 49%; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>Liabilities and equity</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; width: 9%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Current</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade payables and contractors </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">456,064</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">430,946</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">456,215</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">17</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,616,406</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,245,960</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,616,406</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Labor and social obligations</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">21</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">807,440</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">498,504</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">807,440</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Taxes and contributions payable</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">18 (b)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">511,468</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">293,461</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">511,972</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Interest on capital payable</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">24 (b)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">837,391</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">741,725</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">837,391</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Provisions</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">20 (a)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,064,367</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">924,038</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,064,367</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Services payable</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">23</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">749,226</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">723,242</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">750,732</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15 (d)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">487,926</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">222,413</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">487,926</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Program Contract Commitments</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15 (c) (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">21,969</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">100,188</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">21,969</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Other liabilities</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">779,424</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">476,865</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">853,424</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total current liabilities</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,331,681</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,657,342</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,407,842</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">17</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">16,919,944</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">16,712,711</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">16,919,944</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Deferred income tax and social contribution</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19 (a)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">189,278</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">164,097</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">159,723</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">164,097</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Provisions </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">20 (a)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">762,065</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">686,746</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">762,065</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">22</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,142,871</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,150,191</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,142,871</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15 (d)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,798,688</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,736,768</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,798,688</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Program Contract Commitments</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15 (c) (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">12,047</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">12,197</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">12,047</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Other liabilities</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">409,092</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">569,276</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">406,027</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total noncurrent liabilities</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">23,208,804</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">23,216,890</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">23,205,739</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total liabilities</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">31,540,485</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">29,874,232</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">31,613,581</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Equity</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Capital stock</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,000,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,000,000</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,000,000</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Earnings reserves</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">14,711,014</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">12,155,890</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">14,711,014</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Other comprehensive income</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">146,362</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">177,643</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">146,362</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total equity</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">24</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">29,857,376</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">27,333,533</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">29,857,376</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total equity and liabilities</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">61,397,861</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">57,207,765</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">61,470,957</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 46 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 7pt Georgia, Times, Serif; margin: 0">The accompanying notes are an integral part of these financial statement.</P></TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->45<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Income Statements for the</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless
otherwise stated</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: center; font-weight: bold">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; width: 52%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 6%">
    <P STYLE="font: bold 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">Note</P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt; text-indent: -14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Net operating revenue</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">28 </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">25,568,712</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">22,055,720</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">25,572,056</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Operating costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">29</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(16,049,824)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(14,350,903)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(16,051,866)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Gross profit</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,518,888</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,704,817</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,520,190</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Selling expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">29</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(984,037)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(911,967)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(984,060)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">10 (c)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(652,920)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(782,057)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(652,920)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">29</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,595,943)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,398,507)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,597,548)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">31</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">27,925</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">8,327</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">27,925</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Equity results of investments in affiliates</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">12</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">28,517</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">24,551</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">32,393</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Profit from operations before financial income (expenses) and income tax and social contribution</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">6,342,430</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">4,645,164</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">6,345,980</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Financial expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">30</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(2,708,617)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,956,266)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(2,708,617)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Financial revenue</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">30</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">809,074</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">1,091,531</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">805,905</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Exchange variations, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">30</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">310,716</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">492,321</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">310,716</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial result, net</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,588,827)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(372,414)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,591,996)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Profit before income tax and social contribution</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,753,603</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,272,750</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,753,984</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Current</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">19 (d)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,545,290)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,230,234)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,545,671)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 14.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&#9;Deferred</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">19 (d)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">315,218</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">78,751</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">315,218</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,230,072)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,151,483)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1,230,453)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 2.4pt"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 2.4pt"><B>Profit for the year</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,523,531</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,121,267</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,523,531</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Earnings per share - basic and diluted (in reais)</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2.4pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">25</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5.16</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4.57</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5.16</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 7pt Georgia, Times, Serif; margin: 0">The accompanying notes are an integral part of these financial statement.</P></TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->46<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Statements of Comprehensive Income for the</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: center; font-weight: bold">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; width: 52%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 6%">
    <P STYLE="font: bold 10pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid">Note</P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Profit for the year</FONT></TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">3,523,531</FONT></TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">3,121,267</FONT></TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">3,523,531</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&nbsp;Other comprehensive income</FONT></TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(31,281)</FONT></TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">131,269</FONT></TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(31,281)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 3pt 0; text-indent: 14.2pt">Items that will not be subsequently reclassified
to the income statement:</P></TD>
    <TD STYLE="padding: 3pt 5pt 3pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 3pt 5pt 3pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 3pt 5pt 3pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 3pt 0; text-indent: 14.2pt">Actuarial gains and (losses) on defined benefit plans
net of taxes</P></TD>
    <TD STYLE="padding: 3pt 5pt 3pt 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">22</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 3pt 0; text-align: right; border-bottom: Black 0.5pt solid">(31,281)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 3pt 0; text-align: right; border-bottom: Black 0.5pt solid">131,269</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 3pt 0; text-align: right; border-bottom: Black 0.5pt solid">(31,281)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 6pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 6pt 0">Total comprehensive income for the year</P></TD>
    <TD STYLE="padding: 6pt 5pt 6pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 6pt 0; text-align: right; border-bottom: Black 1.5pt double">3,492,250</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 6pt 0; text-align: right; border-bottom: Black 1.5pt double">3,252,536</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 6pt 0; text-align: right; border-bottom: Black 1.5pt double">3,492,250</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 48 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 7pt Georgia, Times, Serif; margin: 0">The accompanying notes are an integral part of these financial statement.</P></TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->47<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Statements of Changes in Equity for the</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless
otherwise stated</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Profit reserves</B></P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 20%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 5%">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 10%">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Share capital</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 8%">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Legal reserve</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Investment reserve</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 15%">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Complementary minimum
    dividends</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 10%">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Retained earnings</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Equity valuation
    adjustments</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Balances as of December 31, 2021</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">15,000,000</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,532,365</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,297,489</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">55,631</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">46,374</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">24,931,859</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Net income for the year</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">3,121,267</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">3,121,267</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Actuarial gains and (losses)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">22</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">131,269</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">131,269</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Total comprehensive income for the year</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">3,121,267</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">131,269</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">3,252,536</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Legal reserve</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">156,063</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(156,063)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Interest on capital (R$ 1.08455 per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(741,301)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(741,301)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Complementary minimum dividends of 2021, approved (R$&nbsp;0.08139 per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(55,631)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(55,631)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Complementary minimum dividends (R$&nbsp;0.19145 per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">130,857</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(130,857)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 2.85pt">Withholding income tax on interest on capital attributed as</P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 2.85pt 1pt">minimum mandatory dividends</P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(53,930)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(53,930)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Transfers to the investment reserve</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (e)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,093,046</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,093,046)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Balances as of December 31, 2022</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">15,000,000</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,688,428</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,390,535</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">76,927</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">177,643</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">27,333,533</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Parent Company and Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Net income for the year</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">3,523,531</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">3,523,531</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Actuarial gains and (losses)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">22</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(31,281)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(31,281)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Total comprehensive income for the year</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">3,523,531</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(31,281)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">3,492,250</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Legal reserve</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">176,177</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(176,177)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Interest on capital (R$ 1.22433 per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(836,839)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(836,839)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Complementary minimum dividends of 2022, approved (R$&nbsp;0.11255 per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(76,927)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(76,927)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Complementary minimum dividends (R$&nbsp;0.21607 per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">147,689</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(147,689)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 2.85pt">Withholding income tax on interest on capital attributed as</P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 2.85pt 1pt">minimum mandatory dividends</P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(54,641)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(54,641)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Transfers to the investment reserve</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">24 (e)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,362,826</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,362,826)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Balances as of December 31, 2023</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">15,000,000</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,864,605</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">12,753,361</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">93,048</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">146,362</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">29,857,376</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 49 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 7pt Georgia, Times, Serif; margin: 0">The accompanying notes are an integral part of these financial statement.</P></TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->48<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Statements of Cash Flows for the</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P>


<P STYLE="border-bottom: Black 0.75pt solid; font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>In thousands of reais</B></P>




<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 58%; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>2023 </B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Cash flows from operating activities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>&nbsp;&nbsp;&nbsp;&nbsp;Earnings before income tax and social contribution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>4,753,603</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>4,272,750</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>4,753,984</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;<B>Adjustments for reconciliation of net income:</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Depreciation and amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">2,790,175</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">2,450,849</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">2,790,586</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Residual value of property, plant, and equipment, intangible assets, and investment properties written-off</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">8,354</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">10,110</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">8,354</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Bad debt expense</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">652,920</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">782,057</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">652,920</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Provisions and inflation adjustments of provisions</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">458,889</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">630,689</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">458,889</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Interest calculated on borrowings and financing payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">1,314,359</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">1,091,592</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">1,314,359</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Inflation adjustment and exchange gains (losses) on borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(163,322)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(301,716)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(163,322)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Interest and inflation adjustments on liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">17,024</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">22,225</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">17,024</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Interest and inflation adjustments on assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(96,256)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(400,057)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(96,256)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Finance charge from customers</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(374,902)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(328,486)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(374,902)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 0.1pt; padding-left: 0.05in; text-indent: -0.05in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Construction margin on intangible assets arising from concession agreements</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(125,603)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(109,369)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(125,603)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 0.1pt; padding-left: 8.5pt; text-indent: -8.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Provision for Consent Decree (TAC), Knowledge Retention Program (KRP), and Incentivized Dismissal Program (PDI)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">356,300</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(1,238)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">356,300</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Equity results of investments in affiliates</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(28,517)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(24,551)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(32,393)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Interest and inflation adjustment - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">1,001,078</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">489,197</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">1,001,078</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Transfer to the S&atilde;o Paulo Municipal Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">195,874</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">167,714</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">195,874</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Pension plan obligations</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">238,751</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">183,262</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">238,751</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Other adjustments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">21,997</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">15,488</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">21,997</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>11,020,724</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>8,950,516</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>11,017,640</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Changes in assets </B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Trade receivables</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(831,999)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(489,885)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(835,324)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Accounts receivable from related parties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(4,546)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(295,091)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(4,553)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Inventories</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">38,294</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(10,741)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">38,239</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Taxes recoverable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(251,739)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">33,198</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(251,741)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Escrow deposits</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">72,469</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">5,348</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">72,469</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(42,768)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">18,264</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">36,091</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Changes in liabilities </B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Trade payables and contractors </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(394,339)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(220,462)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(394,188)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(169,890)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">86,501</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(168,384)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Accrued payroll and related taxes</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">19,377</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">73,126</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">19,377</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Taxes and contributions payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">186,687</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">120,853</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">186,810</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">4,374</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">267</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">4,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Provisions</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(243,241)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(468,398)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(243,241)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Pension plan obligations</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(249,488)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(239,174)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(249,488)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Other liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(942,699)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(722,549)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(868,699)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Cash generated from operations</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>8,211,216</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>6,841,773</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>8,359,382</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Interest paid</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(1,936,419)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(1,505,488)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(1,936,419)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,568,611)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,368,686)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,568,611)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt"><B>&nbsp;</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt"><B>Net cash generated from operating activities</B></P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>4,706,186</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>3,967,599</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>4,854,352</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt"><B>&nbsp;</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt"><B>Cash flow from investing activities</B></P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Acquisition of contract asset and intangible assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(3,843,325)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(3,550,537)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(3,991,325)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Restricted cash</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(17,470)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(9,007)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(17,470)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Financial investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(742,012)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">755,512</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(742,843)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Investment properties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(6,625)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(648)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(6,625)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Purchase of property, plant, and equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(147,249)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(73,668)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">(147,249)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Net cash used in investing activities </B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>(4,756,681)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>(2,878,348)</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>(4,905,512)</B></FONT></TD></TR>
  </TABLE>

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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 7pt Georgia, Times, Serif; margin: 0">The accompanying notes are an integral part of these financial statement.</P></TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->49<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
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<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Statements of Cash Flows for the</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais&#9;&#9;(continued)</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 58%; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Cash flows from financing activities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Borrowings and financing </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Funding</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">2,371,111</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">2,807,026</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">2,371,111</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(1,771,090)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(1,536,724)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(1,771,090)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;Payment of interest on capital</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(823,671)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(603,541)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(823,671)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(673,645)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(590,201)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(673,645)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;Program Contract Commitments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(81,357)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(16,255)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">(81,357)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">&nbsp;&nbsp;Capital Increase</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">811</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Net cash generated from (used in) financing activities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>(978,652)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>60,305</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>(977,841)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Increase / (decrease) in cash and cash equivalents in the year</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid"><B>(1,029,147)</B></P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid"><B>1,149,556</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid"><B>(1,029,001)</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Represented by:</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">Cash and cash equivalents at the beginning of the year</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">1,867,485</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">717,929</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">1,867,485</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">Cash and cash equivalents at the end of the year</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">838,338</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">1,867,485</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">838,484</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt"><B>Increase / (decrease) in cash and cash equivalents in the year</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid"><B>(1,029,147)</B></P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid"><B>1,149,556</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid"><B>(1,029,001)</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/120% Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/120% Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 51 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 7pt Georgia, Times, Serif; margin: 0">The accompanying notes are an integral part of these financial statement.</P></TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->50<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Value Added Statements for the</B></P>

<P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais</B></P>

<P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 51%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>&nbsp;Revenue</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">28</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">21,509,965</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">18,629,959</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">21,513,442</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Construction</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">28</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">5,600,332</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">4,863,752</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">5,600,332</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Other revenue </FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">110,898</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">71,258</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">110,898</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Allowance for doubtful accounts </FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">10 (c)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(652,920)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(782,057)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(652,920)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">26,568,275</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">22,782,912</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">26,571,752</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Inputs purchased from third parties</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Operating and construction costs</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(9,429,970)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(8,617,332)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(9,431,518)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Materials, electricity, outsourced services, and others</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(1,677,447)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(1,610,864)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(1,677,500)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Other operating expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">31</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(71,382)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(56,311)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(71,382)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(11,178,799)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(10,284,507)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(11,180,400)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Gross value added </B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">15,389,476</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">12,498,405</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">15,391,352</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>&nbsp;Retentions</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">29</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(2,790,175)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(2,450,849)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">(2,790,586)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0 1pt 3.55pt; text-align: justify"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0 1pt 3.55pt; text-align: justify"><B>Wealth created by the Company</B></P></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">12,599,301</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">10,047,556</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">12,600,766</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Wealth received in transfer</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Equity results of investments in affiliates</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">12</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">28,517</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">24,551</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">32,393</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Financial income</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">850,242</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,154,237</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">847,073</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">878,759</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,178,788</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">879,466</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Total value added to distribute</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">13,478,060</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">11,226,344</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">13,480,232</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Value added distribution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Personnel</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Direct compensation</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">2,434,877</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">1,891,145</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">2,435,118</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Benefits</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">744,816</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">626,689</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">744,816</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Guarantee Fund for Length of Service (FGTS)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">190,075</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">142,969</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">190,075</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,369,768</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,660,803</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,370,009</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Taxes, fees, and contributions</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Federal</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">3,288,431</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">3,108,831</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">3,290,355</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;State</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">163,128</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">159,245</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">163,135</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Municipal</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">68,736</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">63,307</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">68,736</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,520,295</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,331,383</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,522,226</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Value distributed to providers of capital</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Interest, exchange variation, and inflation adjustments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">3,036,876</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">2,087,049</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">3,036,876</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Rentals</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">27,590</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">25,842</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">27,590</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,064,466</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,112,891</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,064,466</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Value distributed to shareholders</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Interest on capital</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">24 (b)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">836,839</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">741,301</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">836,839</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&nbsp;Retained earnings</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,686,692</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,379,966</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,686,692</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,523,531</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,121,267</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,523,531</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt"><B>Value added distributed</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">13,478,060</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">11,226,344</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">13,480,232</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/120% Arial, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 52; Options: NewSection; Value: 51 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 7pt Georgia, Times, Serif; margin: 0">The accompanying notes are an integral part of these financial statement.</P></TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->51<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Operations</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo (&quot;SABESP&quot; or the &quot;Company&quot;) is a mixed-capital company headquartered in the municipality S&atilde;o Paulo, at
Rua Costa Carvalho, 300, CEP 05429-900, controlled by the S&atilde;o Paulo State. The Company is engaged in the provision of basic and
environmental sanitation services in the S&atilde;o Paulo State and supplies treated water and sewage services on a wholesale basis.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In addition to providing basic sanitation services in
the S&atilde;o Paulo State, SABESP may perform activities in other states and countries and can operate in drainage, urban cleaning, solid
waste handling, and energy markets. SABESP aims to be a world reference in the provision of sanitation services, in a sustainable, competitive,
and innovative manner, with a focus on customers.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the Company operated water and
sewage services in 375 municipalities of the S&atilde;o Paulo State, 351 of which have already signed contracts, according to Law 11,445/2007.
Most of these municipalities&rsquo; operations are based on 30-year concession, program, and service contracts, except for the municipalities
of Guarulhos, Mau&aacute;, Santo Andr&eacute;, S&atilde;o Bernardo do Campo, S&atilde;o Jo&atilde;o da Boa Vista, and Tejup&aacute;, which
have a 40-year term.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows a summary of the contractual situation
of the municipalities served:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 68%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total municipalities that have already signed contracts</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">351</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">351</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Balance &ndash; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">48,759,219</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">45,292,307</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95.12%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">94.49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">20,510,427</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">17,767,561</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95.35%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95.37%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Municipalities with expired contracts:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Balance &ndash; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">11,309</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">11,519</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 7.1pt; line-height: 110%; text-indent: -7.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.02%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.02%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">17,559</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">15,236</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.08%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.08%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Municipalities with concession agreements due by 2030:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">23</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">23</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Balance &ndash; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,051,209</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,072,138</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2.05%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2.24%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">833,418</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">711,452</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3.87%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3.82%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Municipality of S&atilde;o Paulo:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 8.65pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">43.40%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">43.33%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 8.65pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44.95%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">45.14%</FONT></TD></TR>
  </TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company's shares have been listed on the Novo Mercado
segment of B3 under ticker SBSP3 since April 2002 and on the New York Stock Exchange (NYSE) as Level III American Depositary Receipts
(&ldquo;ADRs&rdquo;), under ticker SBS, since May 2002.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Since 2008, the Company has been setting up partnerships
with other companies, which resulted in the following companies: Sesamm, &Aacute;guas de Andradina, Saneaqua Mairinque, Aquapolo Ambiental,
&Aacute;guas de Castilho, Attend Ambiental, Paulista Geradora de Energia, Cantareira SP Energia, FOXX URE-BA Ambiental, and Infranext
Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o. Although SABESP has no majority interest in the capital stock of these companies,
the shareholders&rsquo; agreements provide for the power of veto and casting votes on certain issues jointly with associates, indicating
the shared control in the management of these investees, except for Saneaqua Mairinque, which, as of August 2020, no longer has a shared
control.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify"><B>&bull;&#9;Municipality of Est&acirc;ncia Tur&iacute;stica
de Ol&iacute;mpia</B></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In July 2023, the Municipal Government of Ol&iacute;mpia
&ndash; SP (&ldquo;Ol&iacute;mpia&rdquo;) approved the bidding process referring to Tender 02/2023, whose subject was the granting of
a concession for providing public water supply and sewage services for 30 years, and awarded the contract to SABESP, with a fixed concession
fee of R$ 148 million.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The municipality of Ol&iacute;mpia is located 430 km
from the capital city of S&atilde;o Paulo, has an estimated population of 56 thousand inhabitants, and universalized water and sewage
coverage. The municipality will require operational, commercial, efficiency, and water loss reduction efforts from the Company.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As established by the Bid Notice (Bid Notice), the winning
bidder should create, before the signing of the agreement, a special purpose entity (SPE) to execute the terms of the Concession Agreement.
The contract value estimated in the Bid Notice is R$ 1,182,495 (base date of August 2022), corresponding to the Granting Authority&rsquo;s
estimate of the cumulative concession revenues, while estimated investments amount to R$ 81,112 (base date of August 2022) for the entire
duration of the concession.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Notice also defines that the subscribed share capital
of the Concessionaire, at the time of its creation, must be, at least, R$ 8,111. Therefore, on August 11, 2023, SABESP Ol&iacute;mpia
S/A was created with the corporate objective of providing public water supply and sewage services in the Municipality of Ol&iacute;mpia.
The subscribed share capital of the SPE was partially paid up by SABESP, totaling R$ 811 or 811,121 common shares, totaling 10% of the
share capital. The remaining 7,300,087 subscribed common shares, totaling R$ 7,300, will be paid up within 60 months from the Commencement
Order, which is issued by the Granting Authority that authorizes the start of the Concessionaire&rsquo;s provision of services, under
the provisions of the Notice and Agreement.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Concession Agreement for the provision of public
water supply and sewage services in the Municipality of Ol&iacute;mpia was executed on October 11, 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Of the total, the amount corresponding to the fixed concession
totaling R$ 148 million, 50% has already been paid by SABESP on August 30, 2023, i.e. R$ 74 million as a condition for the contract signing,
and 50%, duly authorized by IPCA, will be paid by SABESP Ol&iacute;mpia S/A by 365 days after the payment of the first installment.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">A monthly variable concession fee will be paid by the
10th day of the subsequent month, corresponding to 1% of the net tariff revenue.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">To ensure faithful compliance with the obligations to
be assumed by the Concessionaire, upon the signing of the agreement, proof of guarantee of the contractual obligations must be presented
to the granting authority, in an amount corresponding to 5% of the estimated investment value.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Given that SABESP owns 100% of the SPE and meets control
requirements, the Company consolidated SABESP Ol&iacute;mpia S/A, following the Accounting Policy described in Note 3.1.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The operations started in December 2023.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt 0.5in; text-align: justify; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Privatization and Proposal of New Concession Agreements</B></FONT></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">On September 18, 2023, the Board of the State Privatization
Program (CDPED) resolved to recommend that:</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -7.1pt">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -7.1pt">(i) &nbsp; the Investment
Partnerships Secretariat and the Environment, Infrastructure, and Logistics Secretariat take the necessary steps to submit the draft of
the Company&rsquo;s privatization law to the Governor&rsquo;s office; and</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -7.1pt">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">(ii) &nbsp; SABESP, under article 5, II combined
with article 7, paragraph 2, and paragraph 4 of Law 9,361/96, starts the procedure for the selection and hiring of coordinating banks
and other services required for the future public offering.</P>


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    <!-- Field: /Page -->

<P STYLE="font: 10pt Georgia, Times, Serif; text-align: justify; margin-right: 0; margin-left: 0">As of September 30, 2023, as provided
for in paragraph 2 of article 14 of Federal Law 14,026/2020 (&ldquo;New Legal Sanitation Framework&rdquo;), the S&atilde;o Paulo State
sent Official Letters to the municipalities operated by the Company with proposals to change the conditions of the concession agreements
in effect (&ldquo;Communication&rdquo;).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; text-align: justify; margin-right: 0; margin-left: 0">The Communication highlights general
aspects of the proposal for a new concession agreement (&ldquo;New Agreement&rdquo;) aiming at replacing the existing agreements, under
article 14 of the New Legal Sanitation Framework, indicating that the following guidelines will be observed under the New Agreement to
be executed with these municipalities:</P>

<P STYLE="font: 10pt Georgia, Times, Serif; text-align: justify; margin-right: 0; margin-left: 14.2pt"><FONT STYLE="letter-spacing: 0pt"><B>(a)
</B></FONT>the anticipation of achieving the universalization goals established in the New Sanitation Framework for 2029, subject to any
shorter deadlines contractually outlined;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; text-align: justify; margin-right: 0; margin-left: 14.2pt"><FONT STYLE="letter-spacing: 0pt"><B>(b)
</B></FONT>the extension of the concession agreement for 2060;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; text-align: justify; margin-right: 0; margin-left: 14.2pt"><FONT STYLE="letter-spacing: 0pt"><B>(c)</B></FONT>
the obligation of SABESP to serve the population residing in consolidated informal urban settlements and rural areas, covering the entire
municipal territory; and</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify"><FONT STYLE="letter-spacing: 0pt"><B>(d)</B></FONT>
the detailing of investments to be made in each municipality.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 11, 2023, State Law 17,853 was enacted.
It authorized the Executive Branch of the S&atilde;o Paulo State to promote privatization measures of Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo &ndash; SABESP. Among other aspects, as provided for in article 2, the model adopted for the privatization
of SABESP must observe the following guidelines:</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(i) compliance with the universalization goals
of water supply and sewage services in all municipalities of the State served by the Company, considering the inclusion of rural areas
and consolidated informal urban centers, under Federal Law 14,026, of July 15, 2020;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(ii) anticipation, to December 31, 2029, of
the achievement of the universalization goals, subject to any shorter deadlines contractually agreed upon;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(iii) tariff reduction, preferably considering
the most vulnerable population;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(iv) provision for the creation of an annual
control to monitor compliance with the goals, with indications of investment requirements for the next few years;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(v) provision of quality services, aiming at
improving the quality of treated water and reducing its loss;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(vi) guarantee, in the contractual instruments
resulting from the privatization, to the employees listed in SABESP&rsquo;s permanent staff at the time of the publication of this law,
of stability, with the maintenance of their employment contract for 18 (eighteen) months from the date of effective completion of the
Company&rsquo;s privatization process.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 21, 2023, the Company concluded the selection
of financial institutions that will be the global coordinators of the financial institutions union responsible for structuring the Company&rsquo;s
potential follow-on. The selected Global Coordinators are i) BTG Pactual; ii) Bank of America; iii) CITI; and iv) UBS - BB.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of February 15, 2024, as reported by the Company in
a Material Fact, the S&atilde;o Paulo State opened a public consultation regarding the following documents:</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(a) the draft of the Concession Agreement to
be executed between the Regional Unit of Drinking Water Supply and Sewage Services 1 (&quot;URAE-1&quot;) Southeast and SABESP, with the
indication of the involvement of the S&atilde;o Paulo State Utility Services Regulatory Agency, along with the specific technical exhibits
of the Municipalities comprising URAE-1, in addition to other contractual exhibits;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(b) the draft of the charter of URAE-1&rsquo;s
Decision-Making Board; and</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-align: justify">(c) the draft of the Regional Sanitation Plan,
under article 17 of Federal Law 11,445, of 2007.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The aforementioned Public Consultation on the privatization
of Sabesp was concluded on March 15, 2024, with a significant number of suggestions submitted by the public. A total of 976 contributions
were received through the Internet, in addition to 135 oral statements made at the eight public hearings held by the S&atilde;o Paulo
State on the matter.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The next steps of the privatization consist of the S&atilde;o
Paulo State's publication of the Public Consultation Contributions Report, concluded on March 15, 2024, with the revised documents sent
to URAE 1 - Southeast for resolution.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Management expects that the funds raised with the improved
water security from the works carried out, the generation of operational cash, and credit lines available for investments, will be sufficient
to meet the Company&rsquo;s commitments and not compromise the necessary investments.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Approvals</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The financial statements were approved by the Board of
Directors on March 21, 2024.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Basis of preparation and presentation
of the financial statements</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company&rsquo;s financial statements have been prepared
according to the International Financial Reporting Standards &ndash; IFRS, issued by the International Accounting Standards Board &ndash;
IASB and according to the accounting practices adopted in Brazil, which observe the pronouncements issued by the Brazilian Accounting
Pronouncements Committee &ndash; CPC. All material information related to the financial statements, and this information alone, is being
disclosed and corresponds to the information used by the Company&rsquo;s Management in its administration.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The financial statements have been prepared under the
historical cost except for certain financial instruments measured at fair value when required by the standards.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The preparation of financial statements in conformity
with IFRSs and CPCs requires the use of certain critical accounting estimates. It also requires Management to exercise its judgment in
the process of applying the Company's accounting policies. The areas involving a higher degree of judgment or complexity, or areas where
assumptions and estimates are significant to the financial statements are described in Note 6.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Summary of material information on
accounting policies </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The material information of the accounting policies applied
in the preparation of these financial statements are defined below and have been applied consistently in all years presented.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Consolidation</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company controls an entity when (i) it has power
over the investee; (ii) it is exposed to, or has rights to, variable returns from its involvement with the investee; and (iii) it has
the ability to use its power to affect its returns.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">When the Company does not hold the majority of voting
rights in an investee, it will have power over the investee when the voting rights are sufficient to give it the practical ability to
unilaterally conduct the relevant activities of the investee. When assessing whether SABESP's voting rights in an investee are sufficient
to give it power, the Company considers all relevant facts and circumstances, including (i) the Company's proportionate interest in voting
rights regarding the interests of other voting right holders; (ii) potential voting rights held by the Company, other voting right holders,
or other parties; (iii) rights arising from other contractual agreements; and (iv) any additional facts and circumstances that indicate
whether the Company has the ability to conduct the relevant activities of the investee.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The financial statements of the subsidiary are included
in the consolidated financial statements from the date the Company obtains control until the date when such control ceases to exist. Revenues
and expenses of a subsidiary acquired or disposed of during the fiscal year are included in the results from the date the Company obtains
control until the date when the Company ceases to control the subsidiary.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The subsidiary's financial statements have been prepared
for the same reporting date as the parent company.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">All intragroup balances, revenues, expenses, and unrealized
gains and losses from intragroup transactions have been eliminated. Other comprehensive results of the parent company, where applicable,
will be directly recorded in the Company&rsquo;s equity, under &ldquo;other comprehensive results&rdquo;.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, SABESP held 100% of direct interest
in Sabesp Ol&iacute;mpia S/A.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Cash and cash equivalents</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Cash and cash equivalents include cash in hand, bank
deposits, overdraft accounts, and other short-term highly liquid investments with maturities and intention of use by the Company&rsquo;s
Management in a period lower than three months.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial assets and liabilities</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Financial assets - Classification</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company classified its financial assets according
to the following categories: measured at amortized cost, measured at fair value through other comprehensive income, and measured at fair
value through profit or loss. The classification depends on the purpose for which the financial assets were acquired. Management determines
the classification of the financial assets at inception. As of December 31, 2023 and 2022, the Company did not have financial assets classified
as fair value through other comprehensive income and fair value through profit or loss.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 24.55pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Amortized cost</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This category includes financial assets that meet the
following conditions (i) assets held within the business model to hold financial assets to collect contractual cash flows; and (ii) the
contractual terms of the financial asset give rise, on specified dates, to cash flows that are solely payments of principal and interest
on the principal amount outstanding.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Presented as current assets, except for those with a
maturity of more than 12 months after the reporting date, which are classified as noncurrent assets. The Company's financial assets measured
at amortized cost include cash and cash equivalents, financial investments, restricted cash, balances of trade receivables, accounts receivable
from related parties, other assets and receivables from the Water and Basic Sanitation National Agency (ANA). Financial assets measured
at amortized cost are recorded at fair value and subsequently at amortized cost, under the effective interest rate method, except for
trade receivables, which are initially measured at transaction price, as it contains no financing items, and are subsequently measured
at amortized cost.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Financial liabilities - Classification</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company classifies its financial liabilities measured
at amortized cost. The classification depends on the purpose for which the financial liabilities were assumed. This category includes
balances payable to contractors and suppliers, borrowings and financing, services payable, balances payable from Public-Private Partnerships
(PPP), and program contract commitments.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The effective interest rate method is adopted to calculate
the amortized cost of a financial liability and allocate its interest expense under the respective period. The effective interest rate
exactly deducts the estimated future cash flows (including fees, transaction costs, and other issue costs) over the estimated life of
the financial liability or, when appropriate, during a shorter period, for the initial recognition of the net carrying amount.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Impairment of financial assets</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Arial, Helvetica, Sans-Serif; margin: 0 0 0 0.5in; text-align: justify; text-indent: -0.5in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Accounts receivable</B></FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Due to the characteristics of the Company&rsquo;s accounts
receivable such as (i) insignificant financial component; (ii) non-complex receivables portfolio; and (iii) low credit risk, the simplified
approach of expected credit loss was adopted - it consists of recognizing the expected credit loss based on the asset&rsquo;s useful life.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The methodology to calculate the allowance for doubtful
accounts consisted of using an estimate calculated based on the average default observed in the last 36 months, per maturity range, in
addition to estimating the recovery of credits overdue for more than 360 days, based on the track record of the last three years. It also
considered the category of private and public customers and segregated accounts receivable among the regular consumption accounts and
agreements. The Company also concluded that the estimates of the macroeconomic indicators Gross Domestic Product (GDP), Unemployment Rate,
and the Extended Consumer Price Index (IPCA) were not impacted, given that it carried out correlation analyses of these indicators and
their default history, which did not result in a significant correlation between them.</P>


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<P STYLE="font: 12pt/110% Arial, Helvetica, Sans-Serif; margin: 0 0 0 0.5in; text-align: justify; text-indent: -0.5in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Deposit transactions and financial investments measured at
amortized cost</B></FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company analyzes changes in the rates of investments
in bank deposit certificates and information obtained from regulatory agencies about the financial institutions. The likelihood of delinquency
over 12 months was based on historical data provided by credit rating agencies for each credit level and analyzed in terms of sensitivity
based on current returns.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">These deposits and financial investments are subject
to an insignificant risk of change in value.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Operating income</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif"><B>Revenue from sanitation services</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Revenue from water supply and sanitation services are
recognized as water is consumed and services are provided. Revenues, including unbilled revenues, are recognized at the fair value of
the consideration received or receivable for the rendering of those services. Revenue is shown net of value-added tax, rebates, and discounts.
Unbilled revenues represent incurred revenues in which the services were provided but not yet billed until the end of each period, and
are recorded as trade receivables based on monthly estimates of the completed services.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Revenues are recognized based on CPC 47 / IFRS 15 &ndash;
Revenue from Contracts with Customers, which establishes a five-step model applicable to revenue from a contract with a customer. Revenues
are recognized when: i) it identifies contracts with customers; ii) it identifies the different contract obligations; iii) it determines
the transaction price; iv) it allocates the transaction price to the performance obligations in the contracts; and (v) it satisfies all
performance obligations. Disputed amounts are recognized as revenue when collected.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif"><B>Construction revenue</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Revenue from construction is recognized in accordance
with ICPC 01 (R1) / IFRIC 12 (Service Concession Arrangements) and CPC 47/IFRS 15 (Revenue from Contracts with Customers), as all performance
obligations are satisfied over time. During the construction of the contract, an asset is classified as a contract asset, in which the
Company estimates that the fair value of its consideration is equivalent to expected construction costs plus margin. The fee represents
the additional margin related to the work performed by the Company in relation to such construction contracts and it is added to construction
costs, resulting in the construction revenue.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.5</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Trade receivables and allowance for
doubtful accounts</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Trade receivables are amounts due from customers for
services performed in the ordinary course of business. These are classified as current assets, except when maturity exceeds 12 months
after the end of the reporting date, when they are presented as noncurrent assets.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company establishes an allowance for doubtful accounts
for receivable balances at an amount that Management considers to be sufficient to cover eventual losses, as described in Note 3.3.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.6</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Inventories</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Inventories comprise supplies for consumption and maintenance
of the water and sewage systems and are stated at the lowest between the average cost of acquisition or realizable value and are classified
in current assets.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.7</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Investment properties</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Investment properties are recorded at the acquisition
or construction cost, less accumulated depreciation, except for the land group, calculated by the straight-line method at rates that consider
the estimated useful life of the assets. Expenditures related to repairs and maintenance are recorded in the income statement when incurred.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company also maintains some assets for undetermined
use in the future, i.e. it is not defined whether they will be used in the operation or sold in the short term during the ordinary course
of business.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.8</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Contract Asset</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Contract Asset (works in progress) is the right to consideration
in exchange for goods or services transferred to customers. As established by CPC 47 &ndash; Revenue from Contracts with Customers, assets
subject to the concession under construction, recorded under the scope of ICPC 01 (R1) &ndash; Concession Agreements, must be classified
as Contract Asset during the construction period and transferred to Intangible Assets after the conclusion of the works.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">A Contract Asset is recognized at fair value, including
the capitalization of labor, construction margin, interest, and other financial charges capitalized during the construction period of
qualifying assets, where applicable, based on the weighted average rate of borrowings in effect on the capitalization date. A qualifying
asset necessarily requires a substantial period, established by the Company as being higher than 12 months, to be ready for use, considering
the completion period of the works, given that most of them take on average more than 12 months to be completed, which corresponds to
one fiscal year of the Company.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The infrastructure construction values are recognized
as revenue, at fair value, provided that they generate future economic benefits. The accounting policy to recognize construction revenue
is described in Note 3.4 (b).</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.9</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Property, plant, and equipment</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Property, plant, and equipment comprise mainly administrative
facilities not composing the assets subject to the concession agreements. Those assets are stated at acquisition or construction cost
less depreciation and impairment losses, as applicable. Where applicable, interest, other finance charges, and inflationary effects resulting
from financing effectively applied to construction in progress are recorded as the cost of the respective property, plant, and equipment
for the qualifying assets. A qualifying asset necessarily requires a substantial period, established by the Company as being higher than
12 months, to be ready for use, considering the completion period of the works, given that most of them take on average more than 12 months
to be completed, which corresponds to one fiscal year of the Company.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Subsequent costs are included in the existing asset's
carrying amount or recognized as a separate asset, as appropriate, only when it is probable that the future economic benefit associated
with the item will flow to the Company and the cost of the item can be reliably measured. Repairs and maintenance are charged to the income
statement of the year, as incurred.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The depreciation of property, plant, and equipment begins
when such an item becomes available for use, in its location, and under the necessary condition when this asset becomes operational. Depreciation
is calculated using the straight-line method and the average rates are presented in Note 16 (a). Land is not depreciated.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The useful lives of assets are revised and adjusted,
where applicable, at the end of each year.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Gains and losses on disposals are determined by the difference
between the sales value and residual book balance and are recognized in profit or loss, under other operating income (expenses).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.10</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Intangible assets</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Intangible assets are those arising from concession contracts,
and the main costs are transferred from the Contract Asset, as described in Note 3.8.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amortization of an intangible asset begins when it
becomes available for use, in its location and necessary condition, when this asset becomes operational. The amortization reflects the
period in which it is expected that the asset&rsquo;s future economic benefits are consumed by the Company, which may be the final term
of the concession or their useful life.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amortization of intangible assets ends when the asset
is fully consumed or written off, whatever occurs first.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Donations in assets received from third parties and government
entities to allow the Company to render water supply and sewage services are not recorded in the financial statements at zero cost, since
these assets are owned by the granting authority.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financial resources received as donations for infrastructure
construction are recorded under &ldquo;Other operating income&rdquo;.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Concession agreements/program contracts/service
contracts</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company operates concession agreements including
the rendering of basic sanitation, environmental, water supply, and sewage services, signed with the granting authorities. The infrastructure
used by SABESP related to service concession agreements is considered to be controlled by the granting authority when:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The granting authority controls or regulates
what services the operator must provide with the infrastructure, to whom it must provide them, and at what price; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The granting authority controls the
infrastructure, i.e. retains the right to take back the infrastructure at the end of the concession.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The rights over the infrastructure operated under the
concession agreements are accounted for as an intangible asset as the Company has the right to charge for the use of the infrastructure
assets, and the users (consumers) must pay for the services.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">Intangible assets related to the concessions are amortized on a straight-line basis
over the contract period or useful life of the underlying asset, the lowest of them.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">The details referring to the amortization of intangible assets are described in
Note 15 (c).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Software license of use</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Software licensing is capitalized based on acquisition
costs and other implementation costs. Amortizations are recorded according to the useful life and the expenses associated with maintaining
them are recognized in profit or loss when incurred.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.11</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Impairment of non-financial assets</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Property, plant, and equipment, intangible assets, and
other noncurrent assets with defined useful lives are reviewed for impairment on an annual basis, or whenever events or changes in circumstances
indicate that the carrying amount may not be recoverable. The Company does not have assets with indefinite useful life and assessed that
there are no indications of impairment losses, mainly supported by Law 14,026/2020, which ensures economic and financial sustainability
to public sanitation services through tariffs or indemnity.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.12</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Trade payables and contractors</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="background-color: white">Trade payables
and contractors are obligations to pay for goods or services acquired from suppliers in the ordinary course of business and are initially
measured at fair value, which generally corresponds to the bill, and subsequently at amortized cost, being classified as current liabilities,
except when the maturity exceeds 12 months after the reporting date, being presented as noncurrent liabilities.</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.13</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Borrowings and financing</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Borrowings and financing are initially recognized at
fair value, upon receipt of funds, net of transaction costs, and stated at amortized cost. See Note 17. Borrowings and financing are classified
as current liabilities unless the Company has an unconditional right to defer the settlement of the liability for at least 12 months after
the reporting date.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The bonds issued by the Company are not convertible into
shares and are recorded similarly to borrowings.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.14</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Borrowing costs</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Borrowing costs consist of interest rates and other charges
incurred by the Company and arise from borrowing and financing agreements, including exchange variation.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Costs attributable to the acquisition, construction,
or production of an asset, which, necessarily, requires a substantial time to be ready for use or sale are capitalized as part of the
cost of these assets. Other borrowing costs are recognized as expenses in the period they are incurred. The capitalization occurs during
the construction period of the asset, considering the weighted average rate of borrowings effective on the capitalization date.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company analyses foreign currency-denominated borrowings
or financing as if they were contracted in local currency, restricting the capitalization of interest and/or exchange variation by the
amount that would be capitalized if they were contracted in the domestic market in similar lines of credit and loans.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.15</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Salaries, payroll charges, and social
contributions</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Salaries, vacations, Christmas bonuses, profit sharing,
and additional payments negotiated in collective labor agreements plus related charges and contributions are recorded on an accrual basis.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The profit-sharing plan is based on operational and financial
targets, and a provision is created when it is contractually required or when there is a past practice that created a constructive obligation
and is recorded as operating cost, selling and administrative expenses, or capitalized in assets.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.16</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Provisions, legal obligations, escrow
deposits, and contingent assets</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Provisions are recognized when: i) the Company has a
present (legal or constructive) obligation resulting from a past event; ii) an outflow of resources that comprise economic benefits will
probably be required to settle the obligation; and iii) the amount can be reliably estimated. Where there are several similar obligations,
the likelihood that an outflow of resources will be required to settle an obligation is determined by considering the nature of these
obligations as a whole.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Provisions are measured at the present value of the disbursements
expected to be required to settle an obligation using a pre-tax rate that reflects the current market assessments of the time value of
money and the risks specific to the obligation. The increase in the obligation due to the passage of time is recognized as a financial
expense.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">For financial statement presentation purposes, the provision
is stated net of escrow deposits, based on the legal offset right.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Escrow deposits not linked to the related obligations
are recorded in noncurrent assets and adjusted by the indexes defined by the competent authorities.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company does not recognize contingent liabilities
in the financial statements since it either does not expect outflows to be required or the amount of the obligation cannot be reliably
measured.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Contingent assets are not recognized in the financial
statements.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.17</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Environmental costs</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Costs related to ongoing environmental programs are expensed
in the income statement when there is a taxable event. Ongoing programs are designed to minimize the environmental impact of the operations
and to manage the environmental risks inherent to the Company's activities.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.18</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Current and deferred income tax and
social contribution </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Income tax expenses comprise current and deferred income
tax and social contributions.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><U>Current taxes</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The provision for income tax and social contribution
is calculated based on the taxable profit for the year and the rates effective at the end of the year. The income tax was defined at a
rate of 15%, plus a 10% surtax on taxable income exceeding R$ 240. The social contribution was defined at a rate of 9% over the adjusted
net income. Taxable income differs from net income (profit presented in the income statement) because it excludes income or expenses taxable
or deductible in other years, and excludes items not permanently taxable or not deductible. The Company periodically evaluates the positions
taken in the income tax return regarding situations in which the applicable tax regulations are subject to interpretation. It establishes
provisions, where appropriate, based on amounts expected to be paid to the tax authorities.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><U>Deferred taxes</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Deferred taxes are fully recognized on temporary differences
arising between the tax basis of assets and liabilities and their carrying amounts in the financial statements. However, deferred taxes
are not accounted for if they arise from the initial recognition of an asset or liability in a transaction that does not affect the tax
basis, except in business combinations. Deferred taxes are determined using tax rates (and laws) effective at the end of the reporting
period and are expected to be applied when the related income tax and social contribution are realized.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Deferred tax assets are recognized only to the extent
that it is probable that future taxable profit will be available for which temporary differences can be used and tax losses can be offset.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Deferred tax assets and liabilities are offset when there
is a legally enforceable right to offset current tax assets against current tax liabilities and when deferred income tax assets and liabilities
are related to income taxes levied by the same tax authority over the tax entity.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.19</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Taxes on revenues</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Revenues from sanitation services are subject to Pasep
(Public Servant Fund) and Cofins (Contribution for Social Security Financing) rates of 1.65% and 7.60%, except for financial revenues
that are calculated at the rates of 0.65% and 4.00%, respectively.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Pasep and Cofins taxes incident on billed amounts to
public entities are due when the bills are received.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">These taxes are calculated by the regime of noncumulative
taxation and presented net of the corresponding credits, such as deductions from gross revenues. The lines &ldquo;other operating income&rdquo;
and &ldquo;financial revenues&rdquo; are presented net of such taxes on the income statement.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In addition, revenues from sanitation services are also
subject to the Regulatory, Control, and Oversight Fee (TRCF), whose taxable event is the performance of regulatory, control, and monitoring
activities by ARSESP, calculated at 0.50% of the annual revenue directly generated by the service provided less taxes levied on the service.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.20</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Pension plan obligations</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Defined benefit</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company makes contributions to defined benefit plans
sponsored by it on a contractual basis. Regular contributions comprise the net administrative expenses and are recognized in the result
of the period in which they are due.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Pension plan liabilities correspond to the present value
of the obligation on the reporting date, less the fair value of the plan&rsquo;s assets. The defined benefit obligations (G1), as well
as the additional retirement and pension plan (G0), are calculated on an annual basis by independent actuaries, using the projected unit
credit method. The estimated future cash outflows are discounted to their present value, using the interest rates of Government bonds
with maturities that approximate those of the related liability.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Regarding actuarial gains and losses arising from adjustments
based on the experience and changes in actuarial assumptions are directly recorded under equity, as other comprehensive income (OCI),
so that the plan's net asset or liability is recognized in the statement of financial position to reflect the full amount of plan&rsquo;s
deficit or surplus.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the event of curtailment or settlement of the plan,
related to only some of the employees covered by the plan, or where only part of an obligation is settled, the gain or loss includes a
proportional share of the past service cost and actuarial gains and losses. The proportional share is determined based on the present
value of the obligations before and after the curtailment or settlement.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Defined contribution</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company makes contributions to defined benefit plans
sponsored by it on a contractual basis, which provides post-employment benefits to its employees, in which the Company makes equal contributions
to employees, within the limits set by regulation. In this model, the benefits paid are directly related to the amount contributed, with
no deficits to be covered by the Company.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.21</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial income (expenses)</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financial income is primarily comprised of interest and
inflation adjustments resulting from financial investments, escrow deposits, and negotiations with customers to pay by installments, calculated
using the effective interest rate method.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financial expenses refer to interest, inflation adjustments,
and exchange variation mainly on borrowings and financing, provisions, public-private partnership, and program contract commitments, and
are calculated using the effective interest rate method.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Inflation adjustment gains and losses arise from the
collection or payment to third parties, as contractually required by law or court decision, recognized on an accrual basis pro rata temporis.
Inflation adjustments included in the agreements are not considered embedded derivatives, since they are deemed as inflation indexes for
the Company&rsquo;s economic scenario.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.22</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Lease </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Leases are recognized at the present value of the contractual
obligations, presented in assets as Right of Use (Note 15 (f)) and in liabilities as Leases (Note 17 (b)), except for short-term contracts
(12 months or less) and/or low-value contracts (below US$ 5,000), which are recorded as expenses when incurred.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.23</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Other current and noncurrent assets
and liabilities</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Other assets are recorded at acquisition cost, net of
any impairment loss, where applicable. Other liabilities are recorded at known or estimated amounts, including, where applicable, related
financial charges.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.24</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Dividends and interest on capital</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company uses the tax benefit of distributing dividends
as interest on capital, as permitted by law and based on the Bylaws. Interests are accounted for under Law 9,249/1995 for tax-deductibility
purposes, limited to the daily pro rata variation of the long-term interest rate (TJLP). The benefit attributed to shareholders is recognized
in current liability against Equity. Any amount over the minimum mandatory is recognized when approved by shareholders in the General
Meeting, except for taxes incurring in the distribution of interest on capital. The tax benefit of interest on capital is accrued in the
profit/loss of the year, under the same recognition basis of expenses.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.25</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Present value adjustment</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Current and noncurrent financial assets and liabilities
arising from long- or short-term transactions are adjusted to present value based on market discount rates as of the transaction date,
when the effects are significant.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.26</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Value added statement (DVA)</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The purpose of the value added statement is to present
the wealth generated and distributed by the Company, as required by the accounting practices adopted in Brazil, as supplementary information
to the financial statements for purposes of IFRS.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The DVA was prepared based on information obtained in
the accounting books that are the base for preparing the financial statements. The first part presents the wealth generated by the Company,
represented by revenues, inputs acquired from third parties and retentions, and the wealth received in transfer, represented by the equity
result and financial income. The second part presents the distribution of wealth segregated into employees, taxes, fees, and contributions,
value distributed to providers of capital, and value distributed to shareholders.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.27</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Segment information </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Operating segments are determined in a manner consistent
with the internal reporting to the Company&rsquo;s chief operating decision maker (&ldquo;CODM&rdquo;), which, in the case of SABESP,
is comprised of the Board of Directors and the Board of Executive Officers, to make strategic decisions, allocate resources and evaluate
performance.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company determined that it has one operating segment
which is sanitation services.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The accounting policies used to determine segment information
are the same as those used to prepare the Company&rsquo;s financial statements.</P>

<P STYLE="font: 12pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The measurement of the result per segment is the profit
from operations before other net operating expenses and equity accounting, which excludes construction costs and revenue.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The CODM analyzes asset and liability information on
a consolidated basis. Consequently, the Company does not disclose segregated information on assets and liabilities.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Substantially all noncurrent assets and revenue generated
from customers are located in the S&atilde;o Paulo State. Consequently, financial information is not disclosed by geographic area.</P>



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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3.28</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Foreign currency translation</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Functional and reporting currency</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Items included in the financial statements are measured
using the currency of the main economic environment in which the company operates (&quot;the functional currency&quot;). The financial
statements are presented in Brazilian reais (R$), which is also the Company's functional currency. All financial information has been
presented in Brazilian reais and rounded to the next thousand, except where otherwise indicated.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Foreign currency translation</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Foreign currency-denominated transactions are translated
into Brazilian reais using the exchange rates prevailing on the transaction dates. Statements of financial position balances are translated
by the exchange rate prevailing on the reporting date.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Exchange gains and losses resulting from the settlement
of these transactions and the translation of foreign currency-denominated monetary assets and liabilities are recognized in the income
statement, except for borrowings and financing referring to property, plant, and equipment, or intangible assets in progress, where exchange
losses are recognized as corresponding entry to the asset while construction is in progress, as described in Note 3.14.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Changes in accounting practices and
disclosures</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>4.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>New standards, amendments, and interpretations
effective for periods beginning on or after January 01, 2023</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">CPC 50 / IFRS 17 &ndash; Insurance Contracts &ndash;
The Company does not have contracts that meet the definition of insurance contract according to this Standard.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amendments to CPC 26 (R1) / IAS 1 &ndash; Presentation
of Financial Statements and IFRS Practice Statement 2 &ndash; Making Materiality Judgements; CPC 32 / IAS 12 &ndash; Income Taxes &ndash;
Deferred Tax Related to Assets and Liabilities Arising from a Single Transaction (&ldquo;single transaction&rdquo;); CPC 32 / IAS 12 &ndash;
Income Taxes &ndash; International Tax Reform &ndash; Pillar Two Model Rule; CPC 23 / IAS 8 - Accounting Policies, Changes in Estimates
and Correction of Errors &mdash; Definition of Accounting Estimates, did not impact the disclosures or amounts recognized in the annual
financial statements.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>4.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>New standards, amendments, and interpretations
of existing standards that are not yet effective</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company did not early adopt these standards and is
assessing the impacts of the new and revised IFRS below on the disclosures or amounts recognized in the financial statements:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 0; border-bottom: Black 0.5pt solid"><B>Standard</B></P></TD>
    <TD STYLE="width: 54%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 0; border-bottom: Black 0.5pt solid"><B>Description</B></P></TD>
    <TD STYLE="width: 25%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 0; border-bottom: Black 0.5pt solid"><B>Impact</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 1pt 2.85pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">Amendments to CPC 36 (R3) / IFRS 10 &ndash; Consolidated Statements
    and CPC 18 (R2) / IAS 28 &ndash; Sales or Contributions of Assets between an Investor and its Associate or Joint Venture<SUP>2</SUP></P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="padding: 1pt 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">Clarify situations that involve the sale or contribution of assets between an investor and its associate or joint venture.</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">The Company is assessing the impacts and effects of the amendments; however, it does not expect any effects from the amendments.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 1pt 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">Amendments to CPC 26 (R1) / IAS 1 &ndash; Classification of Liabilities as Current or Noncurrent<SUP>1</SUP></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">These amendments to CPC 26 (R1) / IAS 1 only affect the presentation
    of liabilities as current or noncurrent in the statement of financial position and not the amount or time of recognition of any asset,
    liability, income, or expense, or information disclosed on such items. In addition, they clarify that the classification of liabilities
    as current or noncurrent is based on rights existing on the balance sheet date, specify that classification is not affected by the expectations
    on whether an entity will exercise its right to defer the settlement of the liability, and introduce the definition of &lsquo;settlement&rsquo;
    to clarify that settlement refers to the transfer, to a counterparty, of cash, equity instruments, other assets or services.</P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="padding: 1pt 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">The Company does not expect any impacts from this standard.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">Amendments to CPC 03 (R2) / IAS 7 &ndash; Statement of Cash Flows
    and CPC 40 (R1) / IFRS 7 &ndash; Financial Instruments: Disclosure<SUP>1</SUP></P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">The amendments add a disclosure objective in CPC 03 (R2) / IAS 7
    stating that information about their supplier financing arrangements should be disclosed to allow users of the financial statements to
    assess the effects of these agreements on the entity&rsquo;s liabilities and cash flows. Additionally, CPC 40 (R1) / IFRS 7 was amended
    to include supplier financing arrangements as an example within the requirements for disclosing information about the entity&rsquo;s exposure
    to liquidity risk concentration.</P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">The Company does not expect effects from these amendments.</P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">&nbsp;</P></TD></TR>
  </TABLE>

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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 21%; padding: 1pt 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">Amendments to CPC 06 (R2) / IFRS 16 &ndash; Leases &ndash; Lease liability in a &ldquo;Sale and Leaseback&rdquo; transaction<SUP>1</SUP></FONT></TD>
    <TD STYLE="width: 54%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">The amendments to CPC 06 (R2) / IFRS 16 add subsequent measurement
    requirements for sale and leaseback transactions that meet the requirements of CPC 47 / IFRS 15 for accounting purposes as a sale. The
    amendments require that the seller-lessee determine &ldquo;lease payments&rdquo; or &ldquo;revised lease payments&rdquo; so that the seller-lessee
    does not recognize a gain or loss related to the right-of-use retained by the seller-lessee after the commencement date.</P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">&nbsp;</P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">The amendments do not impact the gain or loss recognized by the seller-lessee
    related to the total or partial termination of a lease. Without these new requirements, a seller-lessee may have recognized a gain on
    the right-of-use retained solely because of the remeasurement of the lease liability (for instance, after a modification or change in
    the lease term) that applies the general requirements in CPC 06 (R2) / IFRS 16. This may have been particularly the case in a sublease
    that includes variable lease payments not dependent on an index or rate.</P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="width: 25%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">The Company does not expect effects from these amendments.</P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 2.85pt">&nbsp;</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 141.75pt; text-align: justify; text-indent: -141.75pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 3.3pt"></TD><TD STYLE="width: 10.9pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">1.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Effective for annual periods beginning
on or after January 01, 2024.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 3.3pt"></TD><TD STYLE="width: 10.9pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">2.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The effective date of the amendments
has not yet been defined by IASB.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">There are no other standards and interpretations not
yet adopted that may, in the opinion of Management, have a significant impact on the result for the year of equity disclosed by the Company
in its financial statements.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Risk management</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>5.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial Risk Management </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Financial risk factors</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company's activities are affected by the Brazilian
economic scenario, making it exposed to market risk (exchange rate and interest rate), credit risk, and liquidity risk. Financial risk
management is focused on the unpredictability of financial markets and seeks to minimize potential adverse effects on financial performance.</P>

<P STYLE="font: 9.5pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has not utilized derivative instruments in
any of the reported periods.</P>

<P STYLE="font: 9.5pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

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<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif"><B>Market risk</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Foreign currency risk</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Foreign exchange exposure implies market risks associated
with currency fluctuations since the Company has foreign currency-denominated liabilities, arising from long-term funding, in development
institutions, at more attractive interest rates, in U.S. dollars and Yen.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The management of currency exposure considers several
current and projected economic factors, besides market conditions.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This risk arises from the possibility that the Company
may incur losses due to exchange rate fluctuations that would impact liability balances of foreign currency-denominated borrowings and
financing and related financial expenses. The Company does not maintain hedge or swap contracts or any derivative financial instrument
to hedge against this risk.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font-size: 10pt">Part of the financial debt,
totaling R$ </FONT><FONT STYLE="font-size: 9pt">2,785,853</FONT> <FONT STYLE="font-size: 10pt">as of December 31, 2023 (R$ 2,809,441 as
of December 31, 2022), is indexed to the U.S. dollar and Yen. The exposure to exchange risk is as follows:</FONT></P>


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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 48%; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 5.65pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Foreign currency</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>(in thousands)</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 11%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>R$</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 5.65pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Foreign currency</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>(in thousands)</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 11%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>R$</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowings and financing &ndash; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">280,188</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,356,474</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">191,022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">996,695</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowings and financing &ndash; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">41,078,385</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,405,702</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">45,369,189</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,795,259</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges from borrowings and financing &ndash; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">15,510</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6,985</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges from borrowings and financing &ndash; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,167</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,502</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total exposure</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,785,853</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,809,441</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowing cost &ndash; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(37,520)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(31,037)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowing cost &ndash; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,442)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,646)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total foreign currency-denominated borrowings (Note 17)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">2,745,891</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">2,775,758</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The 1.1% decrease in the balance of the foreign currency-denominated
debt from December 31, 2023, compared to December 31, 2022, was mainly impacted by the depreciation of the US dollar and Yen against the
Brazilian real. The table below shows the prices and exchange variations in the period:</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 35%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="width: 32%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Var.</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">US$</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">R$ 4.8413</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">R$ 5.2177</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-7.2%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Yen</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">R$ 0.03422</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">R$ 0.03957</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-13.5%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Borrowings and financing fell by R$&nbsp;309,854 in 2023
(a decrease of R$&nbsp;488,614 in 2022), see Note 17 (ii). As of December 31, 2023, if the Brazilian real had depreciated or appreciated
by 10 percentage points, in addition to the impacts already mentioned above, against the U.S. dollar and Yen with all other variables
held constant, the effects on the result before funding costs in the year would have been R$ 278,586 in 2023 (R$ 280,944 in 2022), lower
or higher.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The probable scenario below presents the effect on the
income statements for the next 12 months, considering the projected rates of the U.S. dollar and the Yen.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company understands that the scenario presented is
reasonable, given the instability of the Brazilian real against the U.S. dollar and the Yen.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


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    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 78%; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Probable scenario</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Net currency exposure as of December 31, 2023 in US$ - Liabilities </B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">280,188</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">US$ rate as of December 31, 2023</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4.8413</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">5.0000</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(0.1587)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Effect on the net financial result R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(44,466)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Net currency exposure as of December 31, 2023, in Yen - Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">41,078,385</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Yen rate as of December 31, 2023</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.03422</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">0.03590</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(0.00168)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Effect on the net financial result R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(69,012)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total effect on the net financial result in R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(113,478)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(*) For the probable scenario in U.S. dollars and Yen, the exchange rates estimated for December 31, 2024 were used, according to the Focus-BACEN and B3&rsquo;s Benchmark Rate report, of December 31, 2023, respectively.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Interest rate risk</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This risk arises from the possibility that the Company
could incur losses due to fluctuations in interest rates, increasing the financial expenses related to borrowings and financing.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has not entered into any derivative contract
to hedge against this risk; however, it continually monitors market interest rates, to evaluate the possible need to replace its debt.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below provides the borrowings and financing
subject to different inflation adjustment indices:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 31%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 35%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 34%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">CDI (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">9,966,111</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">9,251,150</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TR (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,684,711</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,635,587</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">IPCA (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,038,378</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,073,435</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TJLP (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,365,806</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,433,029</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">SOFR (v)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,356,473</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">996,697</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">392,906</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">424,856</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">17,804,385</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">16,814,754</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt/110% Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(i)</TD>
  <TD STYLE="text-align: justify; width: 97%">&nbsp;CDI - (<I>Certificado de Dep&oacute;sito Interbanc&aacute;rio</I>), an interbank deposit certificate</TD></TR>
</TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt/110% Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(ii)</TD>
  <TD STYLE="text-align: justify; width: 97%">&nbsp;TR &ndash; Interest Benchmark Rate</TD></TR>
</TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt/110% Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(iii)</TD>
  <TD STYLE="text-align: justify; width: 97%">&nbsp;IPCA - (<I>&Iacute;ndice Nacional de Pre&ccedil;os ao Consumidor Amplo</I>), a consumer price
index</TD></TR>
</TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt/110% Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(iv)</TD>
  <TD STYLE="text-align: justify; width: 97%">&nbsp;TJLP - (<I>Taxa de Juros a Longo Prazo</I>), a long-term interest rate index</TD></TR>
</TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt/110% Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(v)</TD>
  <TD STYLE="text-align: justify; width: 97%">&nbsp;SOFR - Secured Overnight Financing Rate</TD></TR>
</TABLE>


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Another risk to which the Company is exposed is the mismatch
of inflation adjustment indices of its debts with those of its service revenues. Tariff adjustments of services provided do not necessarily
follow the increases in the inflation indexes to adjust borrowings, financing, and interest rates affecting indebtedness.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, if interest rates on borrowings
and financing had been 1 percentage point higher or lower with all other variables held constant, the effects on profit before taxes for
the year would have been R$ 178,044 (R$ 168,148 in 2022), lower or higher, mainly as a result of lower or higher interest expense on floating
rate borrowings and financing.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif"><B>Credit risk</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Credit risk is related to cash and cash equivalents,
financial investments, as well as credit exposures to wholesale basis and retail customers, including accounts receivable, restricted
cash, and accounts receivable from related parties. Credit risk exposure to customers is mitigated by sales to a dispersed base.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The maximum exposure to credit risk as of December 31,
2023 is the carrying amount of instruments classified as cash and cash equivalents, financial investments, restricted cash, trade receivables,
and accounts receivable from related parties in the balance sheet date. See additional information in Notes 7, 8, 9, 10, and 11.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Regarding the financial assets held with financial institutions,
the credit quality was assessed by reference to external credit ratings (if available) or historical information about the bank&rsquo;s
default rates. For the credit quality of the banks, such as deposits and financial investments, the Company assesses the rating published
by three main international agencies (Fitch, Moody&rsquo;s, and S&amp;P), as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 37%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid"><B>Banks</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Fitch</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Moody's</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Standard Poor's</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco do Brasil S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco Santander Brasil S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco Bradesco S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco Ita&uacute; Unibanco S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco BV</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco BTG Pactual S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The rating assessment disclosed by Fitch for deposit
transactions and financial investments in local currency is as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-right: 5pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 18%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="width: 18%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 18%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Cash and cash equivalents and financial investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,237,629</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,939,713</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,011,685</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,940,690</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Others (*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">324,546</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">296,044</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">324,546</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,264,259</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,545,358</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,265,236</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) As of December 31, 2023, this category includes R$
322,241 (R$ 289,908 as of December 31, 2022) referring to Banco BV, current accounts, and financial investments, which are not rated by
Fitch.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif"><B>Liquidity risk </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Liquidity is primarily reliant upon cash provided by
operating activities and borrowings and financing obtained in the local and international capital markets, as well as the payment of debts.
The management of this risk considers the assessment of its liquidity requirements to ensure it has sufficient cash to meet its operating
and capital expenditures needs.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The funds held are invested in interest-bearing current
accounts, time deposits, and securities, with instruments with appropriate maturity or liquidity sufficient to provide margin as determined
by the projections mentioned above.</P>


<!-- Field: Page; Sequence: 78 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->77<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows the financial liabilities, by maturity,
including the installments of principal and future interest. For agreements with floating interest rates, the interest rates used correspond
to the base date of December 31, 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    </B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 37%; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2024</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2025</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: bold 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2026</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: bold 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2027</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: bold 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2028</P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2029 onwards</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%"><B>December 31, 2023</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">4,242,785</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,793,478</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,444,022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,345,107</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; font-weight: normal; line-height: 110%">2,454,561</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10,862,692</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">28,142,645</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Trade payables and contractors</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">456,064</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; font-weight: normal; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">456,064</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">749,226</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; font-weight: normal; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">749,226</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">488,086</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">449,838</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">464,863</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">480,389</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; font-weight: normal; line-height: 110%">496,434</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">6,210,305</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">8,589,915</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">21,622</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,215</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,215</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,215</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right"><FONT STYLE="font-weight: normal">1,215</FONT></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">11,550</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">38,032</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,957,783</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,244,531</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,910,100</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,826,711</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right"><FONT STYLE="font-weight: normal">2,952,210</FONT></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">17,084,547</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">37,975,882</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 37%; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2024</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2025</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: bold 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2026</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: bold 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2027</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: bold 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2028</P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2029 onwards</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%"><B>December 31, 2023</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">4,242,785</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,793,478</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,444,022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,345,107</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; font-weight: normal; line-height: 110%">2,454,561</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10,862,692</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">28,142,645</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Trade payables and contractors</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">456,215</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; font-weight: normal; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">456,215</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">750,732</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; font-weight: normal; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">750,732</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">488,086</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">449,838</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">464,863</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">480,389</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 10pt; text-align: right; font-weight: bold; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; font-weight: normal; line-height: 110%">496,434</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">6,210,305</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">8,589,915</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">21,622</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,215</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,215</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,215</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right"><FONT STYLE="font-weight: normal">1,215</FONT></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">11,550</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">38,032</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,959,440</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,244,531</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,910,100</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,826,711</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right"><FONT STYLE="font-weight: normal">2,952,210</FONT></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">17,084,547</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">37,977,539</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 79 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->78<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Cross default</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has borrowings and financing agreements including
cross-default clauses, i.e., the early maturity of any debt may imply the early maturity of these agreements. The indicators are continuously
monitored to avoid the execution of these clauses, and the most restrictive ones are shown in Note 17 (c).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Frutiger Light; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif"><B>Sensitivity analysis on interest rate risk</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows the sensitivity analysis of the
financial instruments, prepared under CPC 40 (R1) to evidence the balances of main financial assets and liabilities, calculated at a rate
projected for the twelve-month period after December 31, 2023, or until the final settlement of each contract, whichever occurs first,
considering a probable scenario.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The purpose of the sensitivity analysis is to measure
the impact of changes in the market on the financial instruments, considering constant all other variables. At the time of settlement,
the amounts can be different from those presented, due to the estimates used in the measurement.</P>


<!-- Field: Page; Sequence: 80 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->79<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 44%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Indicators</B></P></TD>
    <TD STYLE="width: 28%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Exposure</B></P></TD>
    <TD STYLE="width: 28%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Probable scenario</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Assets</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">CDI</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,233,218</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">10.0400%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial income</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">324,615</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">CDI </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(9,966,111)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">10.0400%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,000,598)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">CDI net exposure</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(6,732,893)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(675,983)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TR</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,684,711)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.0064%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(108)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">IPCA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(3,038,378)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3.9000%(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(118,497)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TJLP</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,365,806)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6.4300%(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(87,821)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">SOFR (***) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,356,473)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4.8193%(***)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(65,373)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total expenses to be incurred, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(947,782)</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: BACEN of December 31, 2023 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(**)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: B3 of December 31, 2023</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(***)&nbsp;&nbsp;&nbsp;Source: Bloomberg</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 81 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->80<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>5.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Capital management </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company&rsquo;s objectives when managing capital
are to ensure it continues to increase investments in infrastructure, provide returns for shareholders and benefits for other stakeholders,
and maintain an optimal capital structure to reduce the cost of capital.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Capital is monitored based on the leverage ratio, which
corresponds to net debt divided by total capital (shareholders and providers of capital). Net debt corresponds to total borrowings and
financing less cash and cash equivalents and financial investments. Total capital is calculated as total equity plus net debt, as shown
in the statement of financial position.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; text-align: justify">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 48%; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 18%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>&nbsp;</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total borrowings and financing (Note 17)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19,536,350</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">18,958,671</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19,536,350</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(-) Cash and cash equivalents (Note 7)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(838,338)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,867,485)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(838,484)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(-) Financial investments (Note 8)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(2,425,921)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(1,677,873)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(2,426,752)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Net debt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">16,272,091</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,413,313</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">16,271,114</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total equity</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">29,857,376</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">27,333,533</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">29,857,376</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total (shareholders plus providers of capital)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">46,129,467</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">42,746,846</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">46,128,490</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Leverage ratio</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">35%</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">36%</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">35%</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>5.3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Fair value estimates</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company considers that balances from trade receivables
(current) and trade payables by carrying amount less impairment approximate their fair values, considering the short maturity. Long-term
trade receivables also approximate their fair values, as they will be adjusted by inflation and/or will bear contractual interest rates
over time.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>5.4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial instruments</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company did not have financial assets classified
as fair value through other comprehensive income and fair value through profit or loss. The financial instruments included in the amortized
cost category comprise cash and cash equivalents, financial investments, restricted cash, trade receivables, balances with related parties,
other assets and balances receivable from the Water National Agency (ANA), accounts payable to suppliers, borrowings and financing, services
payable, balances payable deriving from the Public-Private Partnership (PPP) and program contract commitments, which are non-derivative
financial assets and liabilities with fixed or determinable payments, not quoted in an active market, except for cash equivalents and
financial investments.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The estimated fair values of the financial instruments
were as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financial Assets</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="4" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 40%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Fair value</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Fair value</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Cash and cash equivalents</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">838,338</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">838,338</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,867,485</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,867,485</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Financial investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,425,921</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,425,921</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,677,873</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,677,873</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Restricted cash</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">54,944</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">54,944</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">37,474</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">37,474</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,853,398</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,853,398</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,277,808</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,277,808</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;ANA </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,673</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,673</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">9,193</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">9,193</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Other assets </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">274,924</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">274,924</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">212,674</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">212,674</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 56%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 22%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 22%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Fair value</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Cash and cash equivalents</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">838,484</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">838,484</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Financial investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,426,752</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,426,752</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Restricted cash</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">54,944</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">54,944</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,856,723</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,856,723</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;ANA </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,673</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,673</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Other assets </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">196,065</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">196,065</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 83 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->82<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Additionally, SABESP has financial assets receivable
from related parties, totaling R$ 1,196,545 as of December 31, 2023 (R$ 1,156,743 as of December 31, 2022), which were calculated under
the conditions negotiated between the related parties. The conditions and additional information related to these financial instruments
are disclosed in Note 11. Part of this balance, totaling R$ 1,076,174 (R$ 1,060,040 as of December 31, 2022), refers to reimbursement
of additional retirement and pension plan - G0, indexed by IPCA plus simple interest of 0.5% p.m. On the transaction date, this interest
rate approximated that of National Treasury Notes (NTN-b), with a term similar to the terms of related-party transactions.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financial Liabilities</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="4" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 40%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Fair value</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Fair value</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19,536,350</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19,950,055</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">18,958,671</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19,260,133</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade payables and contractors</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">456,064</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">456,064</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">430,946</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">430,946</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">749,226</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">749,226</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">723,242</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">723,242</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Program Contract Commitment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">34,016</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">34,016</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">112,385</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">112,385</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,286,614</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,286,614</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,959,181</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,959,181</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 54%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 23%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 23%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Fair value</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19,536,350</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19,950,055</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade payables and contractors</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">456,215</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">456,215</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">750,732</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">750,732</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Program Contract Commitment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">34,016</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">34,016</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,286,614</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,286,614</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The criteria adopted to obtain the fair values of borrowings
and financing are as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 28.35pt; text-align: justify; text-indent: -19.85pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Agreements with CEF (Brazilian Federal
Savings Bank) were projected until their final maturities, at the average interest rate plus TR x DI and the average contractual term,
were adjusted to present value by a funding rate specific for the Company in similar contracts, plus TR x DI, on the end of the reporting
period. TR x DI rates were obtained with B3. </FONT></TD></TR></TABLE>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The debentures were projected up to
the final maturity date according to contractual rates (IPCA, DI, TJLP, or TR), and adjusted to present value considering the future interest
rate published by ANBIMA in the secondary market, or by equivalent market rates, or the Company&rsquo;s shares traded in the Brazilian
market. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Times New Roman, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Financing &ndash; BNDES corresponds
to instruments valued at their carrying amount restated until the maturity date, and are indexed by the long-term interest rate (TJLP).
</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Times New Roman, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify">These financings have specific characteristics
and conditions defined in the financing agreements with BNDES, between independent parties, and reflect the conditions for these types
of financing. Brazil does not have a consolidated market of long-term debts with the same characteristics of BNDES financing; thus, the
offering of credit to entities in general, with such long-term characteristics, is usually restricted to BNDES.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(iv)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Other financings in local currency are
considered by the carrying amount restated until the maturity date, adjusted to present value at future market interest rates. The future
rates used were obtained on the website of B3.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(v)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Agreements with IDB and IBRD were projected
until final maturity in origin currency, using the contracted interest rates plus SOFR&rsquo;s future rate, obtained with Bloomberg, adjusted
to present value using the exchange coupon curve obtained with B3, plus future LFT, disclosed by ANBIMA in the secondary market. All the
amounts obtained were translated into Brazilian reais at the exchange rate of December 31, 2023. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(vi)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Agreements with JICA were projected
until final maturity in origin currency, using the contracted interest rates, translated to the U.S. dollar and adjusted to present value
using the exchange coupon curve obtained with B3, plus future LFT, disclosed by ANBIMA in the secondary market. The amounts obtained were
translated into Brazilian reais at the exchange rate of December 31, 2023. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(vii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Lease and finance leases based on IFRS
16 correspond to instruments valued at their present value. Thus, the Company discloses the amount recorded as of December 31, 2023, as
market value.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financial instruments referring to financial investments
and borrowings and financing are classified as Level 2 in the fair value hierarchy.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Considering the nature of other financial instruments,
assets, and liabilities, the balances recognized in the statement of financial position approximate the fair values, except for borrowings
and financing, considering the maturities close to the end of the reporting date, comparison of contractual interest rates with market
rates in similar operations at the end of the reporting period, their nature, and maturity terms.</P>



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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>6</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Key accounting estimates and judgments</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The preparation of the financial statements requires
Management to disclose judgments (except for those that involve estimates) that have a significant impact on the amounts recognized based
on experience and other factors deemed as relevant, which affect the values of assets and liabilities and present results that may differ
from the actual results.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company establishes estimates and assumptions regarding
the future, which are reviewed on a timely basis. Such accounting estimates, by definition, may differ from the actual results. The effects
arising from the reviews of the accounting estimates are recognized in the period in which the estimates are reviewed.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>6.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Main judgments in applying the accounting
policies</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company assessed the main accounting policies that
involve judgments, except for those that involve estimates, and concluded that none of them have a significant effect.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>6.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Main sources of uncertainties in
the estimates</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The areas that require a higher level of judgment and
greater complexity, as well as assumptions and estimates that are significant for the financial statements, are disclosed as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Allowance for doubtful accounts</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company establishes allowance for doubtful accounts
in an amount that Management considers sufficient to cover expected losses (see Note 10 (c)), based on an analysis of trade receivables,
in accordance with the accounting policy stated in Notes 3.3 and 3.5.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The methodology for determining such losses requires
significant estimates, considering several factors, among which an evaluation of receipts history, current economic trends, aging of the
accounts receivable portfolio, and expectation of future losses. Although the Company believes that the assumptions used are reasonable,
the actual results may be different.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Intangible assets arising from concession agreements and program
contracts</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Intangible assets are those arising from concession contracts,
and the main costs are transferred from the Contract Asset, as described in Note 3.8.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Intangible assets under Concession Agreements, Service
Agreements, and Program Contracts are amortized on a straight-line basis according to the period of the contract or the useful life of
the asset or contract period, the lowest of them. Additional information on the accounting for intangible assets arising from concession
agreements is described in Notes 3.10 and 15.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The recognition of the fair value of the intangible assets
arising from an exchange for an asset, involving concession agreements is subject to assumptions and estimates, and the use of different
assumptions may affect the accounting records. Different assumptions and future changes in the useful life of these intangible assets
may have significant impacts on the result of the operations.</P>


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<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Pension Plan Obligations &ndash; Pension Plans</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company sponsors a defined benefit plan and defined
contribution plan, as described in Notes 3.20 and 22.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Defined pension plan obligations recognized in the statement
of financial position consist of the present value of the defined benefit obligation on the reporting date less the fair value of the
plan&rsquo;s assets. The obligation of such benefit is calculated on an annual basis by independent actuaries, using the projected credit
unit method. The present value of the defined benefit obligation is determined by discounting estimated future cash outflows, using interest
rates compatible with market returns, which are denominated in the currency in which benefits will be paid and with maturity terms close
to those of corresponding pension plan obligation.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Deferred income tax and social contribution</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company recognizes and settles taxes on income based
on the results of operations calculated according to Brazilian Corporation Law, taking into consideration the provisions of the tax laws.
Deferred tax assets and liabilities are recorded based on the differences between the accounting balances and the tax bases of the assets
and liabilities.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company regularly reviews the recoverability of deferred
tax assets and recognizes a provision for impairment if it is probable that these assets will not be realized, based on the historic taxable
income, on the projection of future taxable income, and on the estimated period for reversing the temporary differences. These calculations
require the use of estimates and assumptions. The use of different estimates and assumptions could result in a provision for impairment
of all or a significant part of the deferred tax asset. Additional information on deferred taxes is described in Notes 3.18 and 19.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(e)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Provisions </FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The provisions for civil, labor, environmental, and tax
risks are created based on Notes 3.16 and 20. Judgments regarding future events may significantly differ from actual estimates and exceed
the amounts provisioned. The provisions are revised and adjusted taking into consideration changes in the circumstances involved.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(f)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Unbilled revenue</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Unbilled revenue corresponds to services rendered for
which readings have not been made yet. They are recognized based on monthly estimates calculated according to average billing. Additional
information on revenue and accounts receivable are described in Notes 3.4 and 10.</P>




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    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>7</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Cash and cash equivalents</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.1pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 34%; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 22%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 22%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 22%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Cash and banks</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">31,041</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">139,844</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">31,187</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Cash equivalents</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">807,297</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,727,641</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">807,297</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">838,338</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,867,485</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">838,484</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Cash and cash equivalents include cash, bank deposits,
and high-liquidity short-term financial investments, mainly represented by repurchase agreements, fund shares (accruing CDI interest rates),
and CDBs, whose original maturities or intention of realization are lower than three months, which are convertible into a cash amount
and subject to an insignificant risk of change in value.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the average yield of cash equivalents
corresponded to 96.25% of CDI (95.69% as of December 31, 2022).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>8</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial investments</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has financial investments in CDB, with daily
liquidity, which it does not intend to use in the next three months, as shown below:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 34%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 22%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="width: 22%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD>
    <TD STYLE="width: 22%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco BV </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">322,240</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">289,909</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">322,240</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco Ita&uacute; Unibanco S/A </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">403,732</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco Bradesco S/A </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">643,445</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">578,752</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">643,445</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco BTG Pactual S/A </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">449,241</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">404,363</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">449,241</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco do Brasil S/A </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,010,995</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,117</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,011,826</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,425,921</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,677,873</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,426,752</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">As of December 31, 2023, the average yield of the financial investments corresponded
to 103.3% of CDI (102.9% as of December 31, 2022).</P>



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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->87<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->
<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Restricted cash</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 46%; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 27%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 27%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Agreement with the S&atilde;o Paulo Municipal Government (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">47,749</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">30,231</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Brazilian Federal Savings Bank &ndash; escrow deposits</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">365</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">433</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,830</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,810</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">54,944</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">37,474</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 19.85pt">(i)</TD><TD STYLE="text-align: justify">Refers to the amount deducted from the transfer of 7.5% of the revenue earned in the municipality to the
Municipal Fund for Environmental Sanitation and Infrastructure, corresponding to eventual amounts unpaid by direct management bodies,
foundations, and government agencies, as established in the agreement entered into with S&atilde;o Paulo Municipal Government (PMSP).</TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->88<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>10</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Trade receivables </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt/110% Georgia, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><B>(a)</B></TD><TD STYLE="text-align: justify"><B>Statement of financial position details</B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 37%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Private sector:</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">General (i) and special customers (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,199,475</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,287,782</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,200,921</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">839,010</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">416,550</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">839,010</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,038,485</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,704,332</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,039,931</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Government entities:</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Municipal</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">623,434</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">609,731</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">623,601</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Federal</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8,036</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">10,644</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8,036</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Agreements (iii)</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">374,372</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">372,943</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">374,372</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,005,842</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">993,318</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,006,009</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Wholesale customers &ndash; Municipal governments: (iv)</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Mogi das Cruzes</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,343</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,048</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,343</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">S&atilde;o Caetano do Sul</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,333</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,367</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,333</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total wholesale customers &ndash; Municipal governments</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,676</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,415</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,676</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Unbilled supply</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,136,604</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">959,260</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,138,316</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5,230,607</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,706,325</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5,233,932</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,377,209)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,428,517)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,377,209)</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,853,398</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,277,808</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,856,723</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,580,962</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,062,574</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,584,287</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Noncurrent</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">272,436</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">215,234</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">272,436</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,853,398</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,277,808</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,856,723</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>



<!-- Field: Page; Sequence: 90 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->89<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 3%">(i)</TD><TD STYLE="text-align: justify">General customers - residential and small and mid-sized companies;</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 3%">(ii)</TD><TD STYLE="text-align: justify">Special customers &ndash; large consumers, commercial industries, condominiums, and special billing customers
(fixed demand agreements, industrial waste, wells, among others);</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; margin-bottom: 10pt; font: 10pt/110% Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(iii)&nbsp;</TD>
  <TD STYLE="text-align: justify; width: 97%">Agreements - installment payments of past-due receivables, plus inflation adjustment and interest, according to the agreements; and</TD></TR>
</TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 10pt/110% Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(iv)&nbsp;</TD>
  <TD STYLE="text-align: justify; width: 97%">Wholesale basis customers - municipal governments. This balance refers to the sale of treated water to municipalities, which are responsible
for distributing to, billing, and charging final customers.</TD></TR>
</TABLE>


<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt/110% Georgia, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><B>(b)</B></TD><TD STYLE="text-align: justify"><B>The aging of trade receivables is as follows:</B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.1pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 34%; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 22%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 22%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 22%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,635,280</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,244,754</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,723,975</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Past-due:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Up to 30 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">627,472</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">489,709</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">627,986 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 31 to 60 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">271,476</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">248,128</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">271,476 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 61 to 90 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">181,639</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">165,306</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">181,639 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 91 to 120 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">127,421</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">150,941</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">127,421 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 121 to 180 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">290,610</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">281,530</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">290,610 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 181 to 360 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">57,289</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">58,702</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">57,289 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Over 360 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,039,420</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,067,255</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">953,536</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 11pt/110% Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 11pt/110% Times New Roman, Times, Serif; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total past-due</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,595,327</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,461,571</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,509,957</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,230,607</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,706,325</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,233,932</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->90<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt/110% Georgia, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><B>(c)</B></TD><TD STYLE="text-align: justify"><B>Allowance for doubtful accounts </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 70%; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 15%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Changes in assets</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Balance at the beginning of the year</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,428,517</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,280,088</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Constitution/(reversal) of losses</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">21,103</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">209,360</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Recoveries </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(72,411)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(60,931)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Balance at the end of the year</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,377,209</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,428,517</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 70%; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 15%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 15%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Reconciliation of estimated/historical losses at the result</B></FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Write-offs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(703,325)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(636,366)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(Losses)/reversal with state entities &ndash; related parties </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(903)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,738</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(Losses)/reversal with the private sector/government entities</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(21,103)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(209,360)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Recoveries</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">72,411</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">60,931</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Amount recorded as expense (Note 29)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(652,920)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(782,057)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company does not have customers individually accounting
for 10% or more of its total revenues.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt/110% Georgia, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><B>(d)</B></TD><TD STYLE="text-align: justify"><B>Judicial Bonds</B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has registered warrants issued as a result
of final and unappealable lawsuits for the collection of unpaid water and sewage bills from public entities. These bills are considered
bad debt expenses ('PECLD') in their entirety, and the updated values of said bills, calculated according to the respective registered
warrants, are not recognized due to uncertainties regarding their realization.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the Company has registered warrants
issued in its favor, currently totaling R$ 3,085,265 (R$ 2,807,318 as of December 31, 2022), which, as mentioned above, are fully provisioned
at their original value and do not have their respective updates recognized in the Financial Statements.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->91<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The reversal of the PECLD for the original bills and
their update are recognized when uncertainties regarding their realization are mitigated, i.e. when the realization value becomes determinable
due to the predictability of the commencement of its receipt or when negotiated with third parties.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company did not negotiate its registered warrants
in the current fiscal year or in the comparative years, and there are no ongoing negotiations, as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; background-color: white; border-collapse: collapse">
  <TR>
    <TD STYLE="width: 50%; padding-right: 5pt; padding-left: 3.5pt; text-align: center; line-height: 12.1pt">&nbsp;</TD>
    <TD STYLE="width: 25%; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 25%">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Debtor</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Municipality of S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; text-align: right; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,042,927</FONT></TD>
    <TD STYLE="padding-right: 5pt; text-align: right; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,656,113</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Municipality of Cotia</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; text-align: right; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,456</FONT></TD>
    <TD STYLE="padding-right: 5pt; text-align: right; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">103,729</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Municipality of Cachoeira Paulista</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; text-align: right; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">14,964</FONT></TD>
    <TD STYLE="padding-right: 5pt; text-align: right; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">13,672</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">11,918</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">33,804</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; line-height: 12.1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">3,085,265</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/12.1pt Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">2,807,318</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Additionally, the Company negotiated registered warrants
for overdue bills with the municipalities of Guarulhos, Santo Andr&eacute;, and Mau&aacute; in previous fiscal years, which are currently
suspended as they serve as collateral for the fulfillment of contracts entered into with the municipalities.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Related-party balances and transactions</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">S&atilde;o Paulo State</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 64.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Accounts receivable, interest on
capital, revenue, and expenses </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 43%; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Accounts receivable</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Current:</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Sanitation services (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">169,508</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">144,937</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">169,515</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Verdana, Helvetica, Sans-Serif; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Allowance for losses </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(50,498)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(49,595)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(50,498)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Verdana, Helvetica, Sans-Serif; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;- Monthly flow (iii) and (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">36,241</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">13,376</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">36,241</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;- GESP Agreement &ndash; 2015 (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">106,022</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">97,075</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">106,022</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total current</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">261,273</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">205,793</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">261,280</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Noncurrent:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Agreement for the installment payment of sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,361</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,361</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,361</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&#9;<FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;- GESP Agreement &ndash; 2015 (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">933,911</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">949,589</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">933,911</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">935,272</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">950,950</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">935,272</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total receivables </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,196,545</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,156,743</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,196,552</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Assets:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">120,371</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">96,703</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">120,378</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Reimbursement of additional retirement and pension benefits paid (G0)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,076,174</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,060,040</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,076,174</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,196,545</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,156,743</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,196,552</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Liabilities:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Interest on capital payable </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">420,564</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">372,550</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">420,564</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 94 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->93<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 46%; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 18%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Revenue from sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">775,981</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">661,955</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">775,988</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Payments from related parties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(741,089)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(632,501)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(741,089)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Verdana, Helvetica, Sans-Serif; padding-bottom: 1pt; padding-left: 14.2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Verdana, Helvetica, Sans-Serif; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Payment received from reimbursement referring to Law 4,819/1958</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(189,713)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(186,690)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(189,713)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 64.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(ii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Sanitation services</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company provides water supply and sewage services
to the S&atilde;o Paulo State Government and other companies related to it, in terms and conditions deemed by Management as usual market
terms and conditions, except for the settlement of credits, which may be made according to item (iii) of this Note.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 64.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(iii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Reimbursement of additional retirement
and pension benefits paid </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Refers to additional retirement and pension benefits
provided for in State Law 4,819/1958 (&quot;Benefits&quot;) paid by the Company to former employees or pensioners, referred to as G0.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Under the GESP Agreement executed in 2001, the S&atilde;o
Paulo State acknowledges being responsible for the charges arising from the Benefits, provided that the payment criteria established by
the State Personnel Expenses Department (DDPE) be met, based on legal guidance of the Legal Counsel of the Treasury Department and the
State Attorney General Office (PGE).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As explained in item (iv), the S&atilde;o Paulo State&rsquo;s
validation of the amounts due to the Company because of the Benefits found divergences regarding the calculation and eligibility criteria
of the Benefits applied by the Company.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">See additional information about the G0 plan in Note
22 (ii).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As a result of a court decision, SABESP is responsible
for the payments.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 64.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(iv)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Disputed amounts</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of November 17, 2008, the Company and the S&atilde;o
Paulo State signed the Third Amendment to the GESP Agreement, when the disputed and undisputed amounts were calculated. The amendment
established the efforts to calculate the Disputed Amount of the Benefits. According to clause four of such instrument, the Disputed Amount
consists of the difference between the Undisputed Amount and the amount actually paid by the Company as additional retirement and pension
benefits provided for in Law 4,819/1958, for which the State was originally responsible for because of a court decision.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">By entering into the Third Amendment, the State Attorney
General Office (PGE) agreed to reassess the differences that gave rise to the Disputed Amount of the benefits provided for in Law 4,819/1958.
At the time, this expectation was based on the willingness of the PGE to reassess the matter and the implied right of the Company to the
reimbursement, including based on opinions from external legal counsel.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">However, the recent opinions issued by the PGE received
on September 4 and 22, 2009 and January 4, 2010, denied the reimbursement of the portion previously defined as Disputed Amount.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The third amendment also provides for the regularization
of the monthly flow of benefits. While SABESP is responsible for the monthly payments, the S&atilde;o Paulo State shall reimburse the
Company based on the criteria identical to those applied in the calculation of the Undisputed Amount. Should there be no preventive court
decision, the State will directly assume the monthly payment flow of the portion deemed as undisputed.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Even though the negotiations with the State are still
in progress, it is not possible to assure that the Company will recover the Disputed Amount in a friendly way.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Continuing the actions that aim to recover the credit
that Management understands to be owed by the S&atilde;o Paulo State, related to the divergences in the reimbursement of the additional
retirement and pension benefits paid by the Company, SABESP: (i) on March 24, 2010, addressed a message to the Controlling Shareholder
by sending a letter resolved by the Executive Board proposing that the matter be discussed at B3&rsquo;s Arbitration Chamber; (ii) in
June 2010, sent to the Treasury Department a proposal of an agreement to settle said pending matters. The proposal was not accepted; (iii)
on November 9, 2010, filed a lawsuit against the S&atilde;o Paulo State seeking full reimbursement of the amounts paid as benefits provided
for in Law 4,819/1958 to settle the Disputed Amount under discussion between the Company and the S&atilde;o Paulo State. Despite the lawsuit,
the Company will insist on reaching an agreement during the course of the lawsuit, as it believes that a reasonable agreement is better
for the Company and its shareholders than waiting for the end of the lawsuit.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023 and 2022, the disputed amounts
between SABESP and the S&atilde;o Paulo State, referring to additional retirement and pension benefits paid (Law 4,819/1958), totaled
R$&nbsp;1,583,449 and R$&nbsp;1,482,140, respectively, for which allowances for doubtful accounts were created for the total amount.</P>



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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 64.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(v)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Actuarial Liability</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company recognized an actuarial liability corresponding
to additional retirement and pension benefits paid to employees, retired employees, and pensioners of the G0 Plan. As of December 31,
2023 and 2022, the amounts corresponding to such actuarial liability were R$&nbsp;2,098,622 and R$&nbsp;2,002,075, respectively. For detailed
information on additional retirement and pension benefits, see Note 22.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 64.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(vi)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>GESP Agreement &ndash; 2015</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">On March 18, 2015, the Company, the S&atilde;o Paulo
State, and DAEE, through the Department of Sanitation and Water Resources, entered into an Agreement totaling R$ 1,012,310, R$ 696,283
of which referring to the principal of the Undisputed Amount mentioned in item (iii) and R$ 316,027 to the inflation adjustment of the
principal until February 2015.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The principal will be paid in 180 installments, as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 46.2pt"></TD><TD STYLE="width: 11.35pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The first 24 installments were settled
upon the transfer of 2,221,000 preferred shares issued by Companhia de Transmiss&atilde;o de Energia El&eacute;trica Paulista (CTEEP),
totaling R$ 87,174, based on the share closing price of March 17, 2015, which were sold on April 20, 2016; and</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 46.2pt"></TD><TD STYLE="width: 11.35pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The amount of R$ 609,109 is being paid
in 156 monthly installments, adjusted by the IPCA until the initial payment date, i.e. April 5, 2017. As of this date, the installments
are being adjusted by IPCA plus a simple interest of 0.5% per month. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of July 22, 2022, the decision regarding the lawsuit
that challenged the possibility of transferring the reservoirs was published in the State Official Gazette, preventing the transfer of
the reservoirs to SABESP. Accordingly, as provided for in the agreement, the S&atilde;o Paulo State will pay SABESP, in addition to the
principal, an inflation adjustment of R$ 316,027 (restated until February 2015) in 60 installments, beginning in April 2030. The amount
will be adjusted by IPCA until the initial date of the payments and, as of that date, IPCA plus simple interest of 0.5% per month will
be levied on the amount of each installment.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In July 2022, R$&nbsp;325,561 referring to the adjustment
for inflation until that date was recorded at present value.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the balance receivable was R$&nbsp;106,022
in current assets (R$&nbsp;97,075 as of December 31, 2022) and R$&nbsp;933,911 in noncurrent assets (R$&nbsp;949,589 as of December 31,
2022).</P>


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<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Use of Reservoirs &ndash; EMAE</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Empresa Metropolitana de &Aacute;guas e Energia S.A.
(EMAE) planned to receive the credit and obtain financial compensation for alleged past and future losses in electricity generation arising
from water collection, and compensation for costs already incurred and to be incurred with the operation, maintenance, and inspection
of the Guarapiranga and Billings reservoirs used by SABESP in its operations.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of October 28, 2016, the Company entered into an agreement
based on a Private Transaction Agreement and Other Covenants to settle the disputes fully and completely and SABESP will continue using
the reservoirs.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the balance of the agreement
totaled R$ 8,876 and R$ 99,279 (R$ 8,456 and R$ 95,033 as of December 31, 2022), recorded in Other liabilities, under current and noncurrent
liabilities, respectively.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Agreements with reduced tariffs for State Entities that join
the Rational Water Use Program (PURA) </FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has signed agreements with government entities
related to the S&atilde;o Paulo State Government that benefit them with a reduction of 25% in the tariff of water supply and sewage services
when they are not in default. These agreements provide for the implementation of the rational water use program, which takes into consideration
the reduction in water consumption.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Guarantees</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The S&atilde;o Paulo State provides guarantees for some
of the Company&rsquo;s borrowings and financing and does not charge any related fees. See Note 17.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(e)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Personnel assignment agreement among entities related to the
S&atilde;o Paulo State Government</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has personnel assignment agreements with
entities related to the State Government, whose expenses are fully charged.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In 2023, expenses with employees assigned to other state
entities totaled R$&nbsp;8,165 (R$&nbsp;800 in 2022).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">No expenses with employees from other entities assigned
to the Company were recorded in 2023 and 2022.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(f)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Non-operating assets</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023 and 2022, the Company&rsquo;s
land and lent structures totaled R$ 3,613.</P>


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<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(g)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">SABESPREV </FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company sponsors a defined benefit plan (G1 Plan),
which is operated and administered by SABESPREV. The net actuarial liability recognized as of December 31, 2023, totaled R$ 44,249 (R$
148,116 as of December 31, 2022). See Note 22.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(h)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Compensation of the Fiscal Council and Management Key Personnel
</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The compensation of the Executive Officers, members of
the Audit Committee and Boards of Directors, and Fiscal Councils of the Companies controlled by the S&atilde;o Paulo State complies with
the guidelines of the State Capital Defense Council (CODEC) and is defined at the Annual Shareholders&rsquo; Meeting, as per article 152
of Brazilian Corporation Law.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">CODEC defines that the proposal for global and individual
compensation of the statutory bodies for publicly held companies listed in B3&rsquo;s Novo Mercado segment, controlled by the State, must
be prepared by the Board of Directors under the Company&rsquo;s Bylaws, within the scope of the Institutional Compensation Policy and
submitted for approval of the Annual Shareholders&rsquo; Meeting.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In addition to the monthly compensation, the members
of the Board of Directors, Fiscal Council, and Executive Board receive an annual reward equivalent to a monthly fee, calculated on a prorated
basis referring to fees in effect in December of each year. The purpose of this reward is to define a compensation similar to the Christmas
bonus paid to the Company&rsquo;s registered employees, given that the relationship of Management with the Company has a statutory nature.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Benefits paid to Executive Officers only - meal vouchers,
food vouchers, healthcare, private pension, annual rest (with the characteristic of paid leave of thirty (30) calendar days, with additional
payment corresponding to one-third of the monthly fees for such rest), and FGTS.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">SABESP pays bonuses for purposes of compensation of its
Executive Officers, under the guidelines of the S&atilde;o Paulo State, such as a motivation policy, provided that the Company actually
calculates quarterly, semi-annual, and annual profits, and distributes mandatory dividends to shareholders, even if in the form of interest
on capital. Annual bonuses cannot exceed six times each Director&rsquo;s monthly compensation or 10 % of the interest on capital paid
by the Company, prevailing the shortest amount.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Expenses related to the compensation of the members of
the Fiscal Council appointed by the controlling shareholder and Management members totaled R$&nbsp;8,550 and R$&nbsp;6,175 in 2023 and
2022, respectively.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Additional amounts of R$&nbsp;1,885 and R$&nbsp;1,305,
referring to the executive officers&rsquo; bonus program, were recorded in 2023 and 2022, respectively.</P>


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    <!-- Field: /Page -->


<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(i)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Loan agreement through credit facility</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company holds interest in certain Special Purpose
Entities (SPEs), in which it does not hold the majority interest but has cast vote and power of veto in some matters but cannot use such
power of veto in a way to affect the returns of its investments. Therefore, these SPEs are considered for accounting purposes as joint
arrangements.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Aquapolo Ambiental</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company entered into a loan agreement through a credit
facility with SPE Aquapolo Ambiental S/A to finance the operations of that company, until the borrowings and financing requested with
financial institutions are granted.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The loan originally matured on April 30, 2015, but was
extended to October 30, 2015. On November 25, 2015, a new amendment changed the payment schedule for three annual installments, the first
of which matures on December 30, 2021, and the last on December 30, 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">This agreement was settled on July 21, 2023.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&Aacute;guas de Andradina</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company entered into a loan agreement through a credit
facility with SPE &Aacute;guas de Andradina S/A to finance the operations of that company.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the balance of principal and
interest of this agreement totaled R$ 694 and R$ 2,814, which was recorded in &ldquo;Other assets&rdquo; under current and noncurrent
assets (R$ 242 and R$ 2,814, respectively, as of December 31, 2022), at CDI + 3% p.a.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This agreement was executed on August 17, 2021. The amount
of principal, adjustment, accrued interest, and any other taxes must be paid in full by August 31, 2025.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Sabesp Ol&iacute;mpia</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company formalized a loan agreement through a credit
facility with Sabesp Ol&iacute;mpia S/A, making available the necessary funds for the payment of the first installment of the Fixed Concession
Fee to the Municipality of Est&acirc;ncia Tur&iacute;stica de Ol&iacute;mpia, which was a prerequisite for the signing of the water and
sewage concession agreement.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the balance of principal and
interest of this agreement totaled R$ 78,611, which was recorded in &ldquo;Other assets&rdquo; under noncurrent assets, at CDI + 2% p.a.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This agreement was executed on September 26, 2023. The
principal and the accumulated interest on the principal must be fully repaid by September 2040.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>



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<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(j)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">FEHIDRO</FONT></B></P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In April 2021, the Company entered into three financing
agreements under the State Fund for Water Resources (FEHIDRO). The funds will be aimed at the execution of works and sewage services in
the municipalities of S&atilde;o Paulo, Itapecerica da Serra, and Vargem Grande Paulista. The investment totaled R$&nbsp;10.8 million,
R$&nbsp;8.7 million of which, or 80% of the total, will be financed by FEHIDRO, and R$&nbsp;2.1 million, or 20% of the total, will be
financed by SABESP. The financing interest rate is 3.00% p.a., with a total term of 59 months, 18 months of which corresponds to the grace
period, and 41 months to amortization.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the balance of these financings
totaled R$ 1,278 (R$ 5,108 as of December 31, 2022).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Investments</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company holds interests in certain Special Purpose
Entities (SPE). Although SABESP has no majority shares of its investees, the shareholders&rsquo; agreement provides for the power of veto
in certain management issues, however, with no ability to use such power of veto in a way to affect the returns over the investments,
indicating participating shared control (joint venture &ndash; CPC 19 (R2)), except for SABESP Ol&iacute;mpia, in which the Company holds
a stake of 100% and meets the control requirements, consolidated this SPE, according to the Accounting Policy described in Note 3.1.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify">(a) <U>Sesamm</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of August 15, 2008, Sesamm &ndash; Servi&ccedil;os
de Saneamento de Mogi Mirim S/A was incorporated for a 30-year term from the signature date of the concession agreement with the municipality,
to provide services to complement the implementation of the sewage removal system and the implementation of the operation of the sewage
treatment system in the municipality of Mogi Mirim, including the disposal of solid waste.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;19,532, divided into 19,532,409 registered common shares with no par value, of which SABESP holds an interest of 36%, while
GS Inima holds an interest of 64%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The operations initiated in June 2012.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify">(b) <U>&Aacute;guas de Andradina</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of September 15, 2010, &Aacute;guas de Andradina S/A
was incorporated for an indefinite term, to provide water supply and sewage services to the municipality of Andradina.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;17,936, divided into 17,936,174 registered common shares with no par value, of which SABESP holds an interest of 30%, while
Igu&aacute; holds an interest of 70%.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company pledges 100% of the interest held in &Aacute;guas
de Andradina as a guarantee for the issue of Letters of Guarantee with BNDES.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <!-- Field: /Page -->

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The operations initiated in October 2010.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(c)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><U>&Aacute;guas de Castilho</U></FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of October 29, 2010, &Aacute;guas de Castilho was
incorporated to provide water supply and sewage services in the municipality of Castilho.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;2,785, divided into 2,785,276 registered shares with no par value, of which SABESP holds an interest of 30%, while Igu&aacute;
holds an interest of 70%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company pledges 100% of the interest held in &Aacute;guas
de Castilho as a guarantee for the issue of Letters of Guarantee with BNDES.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The operations initiated in January 2011.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify">(d) <U>Attend Ambiental</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of August 23, 2010, Attend Ambiental S/A was incorporated
to implement and operate a pre-treatment station of non-domestic effluents and sludge transportation in the metropolitan region of S&atilde;o
Paulo, as well as the development of other related activities and the creation of similar infrastructures in other locations in Brazil
and abroad.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;23,494, divided into 37,677,245 registered common shares with no par value, of which SABESP holds an interest of 45%, while
Estre holds an interest of 55%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The operations initiated in December 2014.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify">(e) <U>Aquapolo Ambiental</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of October 8, 2009, Aquapolo Ambiental was incorporated
with the purpose of producing, supplying, and selling reuse water to Quattor Qu&iacute;mica S/A; Quattor Petroqu&iacute;mica S/A; Quattor
Participa&ccedil;&otilde;es S/A and other companies that are part of the Petrochemical Center of Capuava and the S&atilde;o Paulo ABC
region.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;36,412, divided into 42,419,045 registered common shares with no par value, of which SABESP holds an interest of 49%, while
GS Inima Industrial holds an interest of 51%.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company pledges 100% of the interest held in Aquapolo
Ambiental S/A as a guarantee for the borrowing obtained through a debenture issue.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The operations initiated in October 2012.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(f)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><U>Paulista Geradora de Energia</U></FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of April 13, 2015, the Company acquired shares from
Empresa Paulista Geradora de Energia S/A, jointly with Servtec Investimentos e Participa&ccedil;&otilde;es Ltda. (Servtec) and Tecniplan
Engenharia e Com&eacute;rcio Ltda. (Tecniplan), whose purpose is the implementation and commercial exploration of hydraulic potentials
in Small Hydroelectric Power Plants (SHPPs) located at the Guara&uacute; and Vertedouro Cascata Water Treatment Stations.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">As of December 31, 2023, the company&rsquo;s share capital was R$&nbsp;28,989,
divided into 8,679,040 registered common shares with no par value, of which SABESP holds an interest of 25%, Servtec 37.5%, and Tecniplan
37.5%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">The operations started in December 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify">(g) <U>Cantareira SP Energia</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of October 28, 2022, Cantareira SP Energia S/A was
created with the purpose of developing, producing, and selling photovoltaic energy; selling and purchasing energy; renting, loaning, and
leasing own or third-party assets; operating and maintaining energy generation plants; and holding an interest in other companies.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;1,000, divided into 1,000,000 registered common shares with no par value, of which SABESP holds an interest of 49%, while
Pacto SP Energia I Ltda. holds an interest of 51%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, operations had not initiated
yet.</P>


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    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify">(h) <U>FOXX URE-BA Ambiental S/A</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 22, 2022, SABESP acquired shares from
FOXX URE-BA Ambiental S/A, for R$ 40,000 for the acquisition of 20% of the company&rsquo;s share capital, corresponding to R$&nbsp;13,852.
The difference paid, of R$&nbsp;26,148, was recorded in intangible assets under &ldquo;Right of use &ndash; Investments&rdquo;. As of
December 23, 2022, the Company contributed R$ 865. The business purpose of FOXX URE-BA is to provide services, under a concession regime,
related to the treatment and final disposal of solid urban waste, including all waste from domestic and commercial collection, sweeping,
pruning, cleaning of streets and other public highways, and the urban drainage system, the provision of these services and related activities
to third parties with which it has executed contracts for such a purpose, including investments and works of the treatment unit, implemented
and operated by the company, for the treatment and final disposal of waste, operation of revenue sources, carbon credits, and the byproduct
resulting from the treatment process and final disposal of urban solid waste, as well as selling electricity.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;69,258, divided into 69,257,657 registered common shares with no par value, of which SABESP holds an interest of 20%, while
FOXX Inova Ambiental S/A holds an interest of 80%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(i)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><U>Infranext Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o
S/A</U></FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 07, 2022, SPE Infranext Solu&ccedil;&otilde;es
e Pavimenta&ccedil;&atilde;o S/A was created to sell cold asphalt and related products, provide related services, make investments, and
hold interest in other companies.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;7,050, divided into 7,050,000 registered common shares with no par value. The company&rsquo;s total share capital will be
R$&nbsp;12,000, divided into 12,000,000 registered, book-entry common shares, of which SABESP will hold an interest of 45% and DVS &ndash;
Loca&ccedil;&atilde;o de Equipamentos Ltda. will hold an interest of 55%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, operations had not initiated
yet.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(j)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><U>SABESP Ol&iacute;mpia S/A</U></FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of August 11, 2023, Sabesp Ol&iacute;mpia S/A was
incorporated with the corporate purpose of providing public water supply and sewage services in the municipality of Ol&iacute;mpia/SP,
under the Concession Agreement resulting from the Bid Notice 02/2023.</P>


<!-- Field: Page; Sequence: 104 -->
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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the company&rsquo;s share capital
was R$&nbsp;811, divided into 811.121 registered common shares with no par value. The company&rsquo;s total share capital will be R$&nbsp;8,111,
divided into 8,111,208 registered common shares with no par value, of which SABESP will hold an interest of 100%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The operations initiated in December 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company holds equity interest valued by the equity
accounting in the following investees:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Equity</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Contribution</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Dividends distributed</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Profit (loss)
    for the year</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 23%; padding-right: 5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center"><B>31, 2023</B></P>
</DIV></TD>
    <TD STYLE="width: 11%; padding-right: 5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center"><B>31, 2022</B></P>
</DIV></TD>
    <TD STYLE="width: 11%; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>(*)</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Sesamm</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">61,275</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">59,371</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(18,485)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">20,389</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">14,825</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">&Aacute;guas de Andradina</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">34,088</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">30,777</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,311</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,186</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">12,784</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10,787</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,997</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,403</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Attend Ambiental</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">43,263</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">29,729</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(4,215)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">17,749</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">8,177</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">102,442</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">73,926</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(9,000)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">37,516</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">30,496</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Paulista Geradora de Energia - PGE (**)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">42,307</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10,486</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">30,093</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,728</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(744)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Cantareira SP Energia</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10,650</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,000</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10,114</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(464)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">FOXX URE-BA Ambiental</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">63,309</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">69,258</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">4,325</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(1,686)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(8,588)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Infranext Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o (***)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">4,699</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">7,050</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,351)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Sabesp Ol&iacute;mpia</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(3,066)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">811</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">&nbsp;-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(3,877)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The amount
presented refers to changes in the equity of the investee, as its financial statements for the year ended December 31, 2022 were issued
after the disclosure of SABESP&rsquo;s financial statements.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(**) In October 2022, it was agreed at the Extraordinary
Meeting a capital contribution of R$&nbsp;20,310 thousand, and SABESP paid R$&nbsp;5,077 in December 2022, corresponding to 25%. Servtec
and Tecniplan paid R$&nbsp;15,233 in June 2023, corresponding to 75%. In 2023, a contribution of R$ 20,600 was defined, with Servtec and
Tecniplan paying R$ 14,860 of this amount. As of December 31, 2023, the contributions from Servtec and Tecniplan, of R$ 295 each, and
the contribution from SABESP, of R$ 5,150, were still pending.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(****)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Infranext&rsquo;s
share capital will be R$&nbsp;12,000. As of December 31, 2023, SABESP had an outstanding payable amount of R$&nbsp;4,950.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 105 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->104<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="10" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Investments</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Contribution</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Dividends distributed</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Reclassification (***)</B></P></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Equity results of investments
    in affiliates</B></P></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest percentage</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>(*)</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Sesamm</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,059</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">21,374</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(6,655)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,340</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,337</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&Aacute;guas de Andradina </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">10,225</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,233</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">992</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">356</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,835</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,236</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">599</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">421</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Attend Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">19,469</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">13,379</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,897)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,987</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,680</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">50,196</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36,223</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(4,410)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">18,383</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">14,943</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Paulista Geradora de Energia</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,861</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,429</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">432</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(186)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Cantareira SP Energia</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,212</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">490</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;4,949 </FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(227)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">FOXX URE-BA Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">12,663</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">13,852</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;865 </FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(337)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,717)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">20%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">20%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Infranext Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">450</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">608</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,058)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Sabesp Ol&iacute;mpia</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">811</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,066</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(3,877)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">100%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">130,520</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">104,666</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,625</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(12,962)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,674</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30,234</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,717)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">24,551</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">FOXX URE-BA Ambiental &ndash; Fair value (**)</P></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25,244</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,099</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,099</P></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">Overall total</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 2.25pt double">161,863</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 2.25pt double">110,765</P></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Refers
to changes in the equity of investees, as their financial statements for the year ended December 31, 2022 were issued after the disclosure
of SABESP&rsquo;s financial statements.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(**) The amount presented refers to the fair value adjustment
in the acquisition of FOXX URE-BA in 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(***)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The amount
of the investee&rsquo;s loss exceeding the investment was reclassified to Noncurrent Liabilities.</P>



<!-- Field: Page; Sequence: 106 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->105<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="10" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Investments</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Contribution</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Dividends distributed</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Reclassification (***)</B></P></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Equity results of investments
    in affiliates</B></P></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest percentage</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>(*)</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Sesamm</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,059</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">21,374</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(6,655)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,340</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,337</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&Aacute;guas de Andradina </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">10,225</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,233</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">992</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">356</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,835</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,236</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">599</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">421</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Attend Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">19,469</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">13,379</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,897)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,987</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,680</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">50,196</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36,223</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(4,410)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">18,383</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">14,943</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Paulista Geradora de Energia</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,861</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,429</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">432</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(186)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Cantareira SP Energia</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,212</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">490</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;4,949 </FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(227)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">FOXX URE-BA Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">12,663</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">13,852</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;865 </FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(337)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,717)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">20%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">20%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Infranext Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">450</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">608</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,058)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">130,520</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">104,666</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,814</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(12,962)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">608</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">34,111</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,717)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">24,551</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">FOXX URE-BA Ambiental &ndash; Fair value (**)</P></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25,244</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,099</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,099</P></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">Overall total</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 2.25pt double">161,863</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 2.25pt double">110,765</P></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Refers
to changes in the equity of investees, as their financial statements for the year ended December 31, 2022 were issued after the disclosure
of SABESP&rsquo;s financial statements.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(**) The amount presented refers to the fair value adjustment
in the acquisition of FOXX URE-BA in 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(***)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The amount
of the investee&rsquo;s loss exceeding the investment was reclassified to Noncurrent Liabilities.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 107 -->
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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>13</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Investment Properties</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 30%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 26%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 18%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 26%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/12pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">46,726</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/12pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(48)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/12pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">46,678</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="4" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 28%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/12pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">46,126</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/12pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">648</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/12pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(48)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/12pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">46,726</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the market value of these properties
was approximately R$ 393,600 (R$ 386,000 as of December 31, 2022).</P>

<P STYLE="font: 10pt/12pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>14</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Contract asset</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="5" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 25%; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions (i)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 17%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers of works
    to intangible assets (ii)</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023
    (iii)</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total contract asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,613,968</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">6,026,053</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">384</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(7,247,309)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,393,096</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="5" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 25%; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 17%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers of works
    to intangible assets</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total contract asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,550,102</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,240,528</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,702</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(5,179,364)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,613,968</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; letter-spacing: -0.05pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The largest additions in the period
were located in the municipalities of S&atilde;o Paulo, Guarulhos, and Itanha&eacute;m, totaling R$ 2,528 million, R$ 377 million, and
R$ 180 million, respectively. </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The largest transfers of the period
were located in the municipalities of S&atilde;o Paulo, Franca, and S&atilde;o Bernardo do Campo, totaling R$ 3,306 million, R$ 314 million,
and R$ 260 million, respectively.</FONT></TD></TR></TABLE>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The largest works were located in the
municipalities of S&atilde;o Paulo, Francisco Morato, and Guarulhos, totaling R$ 2,053 million, R$ 255 million, and R$ 252 million, respectively.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, <FONT STYLE="background-color: white">the
contract asset did not include any amounts recorded </FONT>as a lease (R$&nbsp;276,893 as of December 31, 2022).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Capitalization of interest and other finance charges</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company capitalizes interest, inflation adjustments,
and exchange variations in the contract asset during the construction period. In 2023 and 2022, the Company capitalized R$&nbsp;638,208
and R$&nbsp;622,803, respectively.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Construction margin</FONT></B></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is primarily responsible for the construction
and installation of the concession infrastructure, either by using its employees or contracting third parties, and is significantly exposed
to its risks and benefits. Accordingly, the Company recognizes revenue from construction services corresponding to construction costs
increased by gross margin.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Constructions related to the concessions are usually
performed by third parties. In such a case, the margin is lower to cover administration costs and the assumption of responsibility for
primary risks is lower. In 2023 and 2022, the margin was 2.3%.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In 2023 and 2022, the construction margins were R$ 125,603
and R$ 109,369, respectively.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Expropriations </FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As a result of the construction of priority projects
related to water and sewage systems, the Company is required to expropriate third-party properties, whose owners are compensated either
amicably or through court.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The costs of such expropriations are recorded in the
contract asset during the execution of the works. In 2023 and 2022, expropriations totaled R$&nbsp;58,682 and R$ 62,599, respectively.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>15</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Intangible assets</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Statement of financial position details</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="6" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 39%; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 11%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    amortization</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 10%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    amortization</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 10%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Intangible right arising from:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; equity value</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">747,925</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(241,808)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">506,117</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">722,730</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(223,404)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">499,326</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; economic value </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,686,384</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(1,048,624)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">637,760</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,585,271</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(933,232)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">652,039</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">30,267,977</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(9,583,480)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">20,684,497</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">26,875,408</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(8,537,949)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">18,337,459</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts &ndash; commitments </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,709,757</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(497,731)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,212,026</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,709,757</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(444,765)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,264,992</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Service contracts &ndash; S&atilde;o Paulo</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">29,161,286</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(8,967,701)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">20,193,585</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">25,584,703</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(7,714,252)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">17,870,451</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Software license of use</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,300,504</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(787,280)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">513,224</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,249,881</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(654,477)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">595,404</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Right of use &ndash; Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">217,204</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(99,144)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">118,060</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">170,921</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(95,869)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">75,052</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Right of use &ndash; Investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,148</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,148</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">65,091,037</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(21,225,768)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">43,865,269</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">57,924,819</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(18,603,948)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">39,320,871</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 54%; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 17%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    amortization</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Intangible right arising from:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; equity value</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">747,925</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(241,808)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">506,117</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; economic value </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,686,384</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(1,048,624)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">637,760</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; new contracts</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">148,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(411)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">147,589</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">30,267,977</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(9,583,480)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">20,684,497</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts &ndash; commitments </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,709,757</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(497,731)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,212,026</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Service contracts &ndash; S&atilde;o Paulo</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">29,161,286</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(8,967,701)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">20,193,585</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Software license of use</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,300,504</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(787,280)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">513,224</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Right of use &ndash; Other assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">217,204</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(99,144)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">118,060</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">65,239,037</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(21,226,179)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">44,012,858</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 110 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->109<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;
</FONT> <FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Changes</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 22%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfer of contract
    asset</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Intangible </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">right </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">arising from: </FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Concession agreements &ndash; equity value (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">499,326</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">22</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">27,774</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(934)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(307)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(19,764)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">506,117</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Concession agreements &ndash; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">652,039</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">60</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">115,841</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">63</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(119)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(130,124)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">637,760</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Program contracts (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">18,337,459</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">159</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">3,337,155</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">93,417</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(4,933)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(1,078,760)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">20,684,497</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Program contracts &ndash; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">1,264,992</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(52,966)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">1,212,026</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Service contracts &ndash; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">17,870,451</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">430</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">3,717,006</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(113,378)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(2,237)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(1,278,687)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">20,193,585</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Software license of use </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">595,404</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">1,397</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">49,533</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(88)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(133,022)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">513,224</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Right of use &ndash; Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">75,052</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">108,405</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(31)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(65,366)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">118,060</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Right of use &ndash; Investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,148</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(26,148)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">39,320,871</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">110,473</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,247,309</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(47,068)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(7,627)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,758,689)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">43,865,269</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) As of December 31, 2023, Concession Agreements &ndash;
equity value, and Program Contracts included leases totaling R$ 43,738 and R$ 330,941 (R$ 54,356 and R$ 168,216 as of December 31, 2022),
respectively.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->110<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 22%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfer of contract
    asset</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Intangible </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">right </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">arising from: </FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Concession agreements &ndash; equity value (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">499,326</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">22</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">27,774</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(934)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(307)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(19,764)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">506,117</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Concession agreements &ndash; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">652,039</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">60</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">115,841</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">63</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(119)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(130,124)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">637,760</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Concession agreements &ndash; new contracts&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">148,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(411)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">147,589</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Program contracts (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">18,337,459</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">159</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">3,337,155</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">93,417</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(4,933)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(1,078,760)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">20,684,497</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Program contracts &ndash; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">1,264,992</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(52,966)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">1,212,026</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Service contracts &ndash; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">17,870,451</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">430</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">3,717,006</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(113,378)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(2,237)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(1,278,687)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">20,193,585</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Software license of use </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">595,404</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">1,397</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">49,533</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(88)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(133,022)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">513,224</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Right of use &ndash; Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">75,052</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">108,405</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(31)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(65,366)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">118,060</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Right of use &ndash; Investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,148</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(26,148)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">39,320,871</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">258,473</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,247,309</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(47,068)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(7,627)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,759,100)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">44,012,858</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 22%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfer of contract
    asset</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, 2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Intangible right arising from: </FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements - equity value (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">491,057</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">27,166</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(144)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(115)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(18,638)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">499,326</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">681,441</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">13</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">48,428</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">33,576</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(9)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(111,410)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">652,039</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">17,152,021</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">6,635</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">2,132,675</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">2,944</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(2,800)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(954,016)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">18,337,459</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts &ndash; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">1,317,957</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(52,965)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">1,264,992</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Service contracts &ndash; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">16,158,771</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">208</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">2,855,284</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(41,133)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(6,063)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(1,096,616)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">17,870,451</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Software license of use </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">598,734</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">214</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">115,811</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">6</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(119,361)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">595,404</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Right of use &ndash; Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">103,853</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">42,182</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(67)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">(70,916)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt; line-height: 110%">75,052</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Right of use &ndash; Investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,148</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,148</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">36,503,834</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">75,400</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,179,364</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(4,751)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(9,054)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,423,922)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">39,320,871</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) As of December 31, 2022, the lines Concession Agreements
&ndash; equity value, and Program Contracts included leases totaling R$ 54,356 and R$ 168,216 (R$ 65,012 and R$ 180,669 as of December
31, 2021), respectively.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of June 30, 2020, a contract was signed for the provision
of treatment services and final disposal of solid waste and collection of garbage tax in the Municipality of Diadema for 40 years. To
reach the best operationalization format, treatment services and final disposal of solid waste are in the study phase and, based on the
contractual provision, are subject to a partnership between SABESP and a private party, which will occur through a public call.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Intangible arising from concession agreements</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company operates concession agreements for water
supply and sewage services mostly based on agreements that define rights and obligations regarding the exploration of assets related to
the provision of public services (See Note 3.10 (a)). The agreements provide for the return of the assets to the granting authority at
the end of the concession period.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.2pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the Company operated in 376
municipalities in the S&atilde;o Paulo State, including the municipality of Ol&iacute;mpia (375 municipalities as of December 31, 2022).
Most of these agreements are valid for 30 years, except for contracts entered into with the municipalities of Guarulhos, Mau&aacute;,
Santo Andr&eacute;, S&atilde;o Bernardo do Campo, S&atilde;o Jo&atilde;o da Boa Vista, and Tejup&aacute;, which have a 40-year term.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The provision of services is remunerated in the form
of tariffs, regulated by ARSESP.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Intangible rights arising from concession agreements
include:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 71.4pt; text-align: justify; text-indent: -71.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(i)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Concession agreements &ndash; equity value</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Refer to municipalities assumed until 2006, except for
the municipalities assumed by the economic value through an asset valuation report prepared by independent experts. The amortization of
the assets is calculated on a straight-line basis, which considers the assets&rsquo; useful life.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 71.4pt; text-align: justify; text-indent: -71.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(ii)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Concession agreements &ndash; economic value</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">From 1999 to 2006, negotiations related to new concessions
were conducted based on the economic and financial results of the transaction, defined in a valuation report issued by independent experts.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amount defined in the respective contract, after
the transaction is closed with the municipality, realized upon subscription of the Company's shares or in cash, is recorded in this line
and amortized throughout the respective concession (usually 30 years). As of December 31, 2023 and 2022, there were no pending amounts
related to these payments to the municipalities.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Intangible assets are amortized on a straight-line basis
over the term of the contracts or the useful life of the underlying assets, whichever is shorter.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 71.4pt; text-align: justify; text-indent: -71.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(iii)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Concession agreements &ndash; New Contracts </FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">These refer to contracts awarded through bidding processes
following the New Legal Sanitation Framework. The assets are amortized over the contracted period or the useful life of the underlying
assets, whichever is shorter.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 71.4pt; text-align: justify; text-indent: -71.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(iv)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Program contracts </FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Refer to the renewal of contracts previously referred
to as concession agreements, whose purpose is to provide sanitation services. The amortization of the assets acquired up to the signature
dates of program contracts is calculated on a straight-line basis, which considers the assets&rsquo; useful life. Assets acquired or built
after the signature dates of program contracts are amortized over the contracted period (most of which for 30 years) or during the useful
life of the underlying assets, whichever is shorter.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 71.4pt; text-align: justify; text-indent: -71.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(v)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Program contracts &ndash; Commitments</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Since the effectiveness of the Basic Sanitation Regulation
in 2007, contracts have been renewed through program contracts. In some of these contracts, the Company undertook to financially participate
in social and environmental initiatives. The assets built and the financial commitments assumed in the program contracts are recorded
as intangible assets and amortized on a straight-line basis under the term of the program contract.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the amounts not yet disbursed
were recorded in &ldquo;Program contract commitments&rdquo; under current and noncurrent liabilities, totaling R$&nbsp;21,969 and R$&nbsp;12,047
(R$&nbsp;100,188 and R$&nbsp;12,197 as of December 31, 2022), respectively.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 71.4pt; text-align: justify; text-indent: -71.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(vi)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Service contracts &ndash; Municipality of S&atilde;o Paulo </FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of June 23, 2010, the Company entered into an agreement
with the S&atilde;o Paulo State and the Municipality of S&atilde;o Paulo to provide water supply and sewage services in the municipality
of S&atilde;o Paulo for 30 years, extendable for another 30 years.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Also on June 23, 2010, the State and the Municipality
signed an Agreement, with SABESP as the intervening party and ARSESP as the consenting party, whose main aspects are:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">1. The State and the Municipality grant SABESP the right
to explore sanitation services in the capital of the S&atilde;o Paulo State, which includes the obligation to provide such services and
the right to charge the respective tariff for this service;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">2. The state and the Municipality define ARSESP as the
agency responsible for regulating (including the tariff), controlling, and monitoring the services;</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">3. The evaluation model used was the discounted cash
flow, which considered the financial and economic sustainability of SABESP&rsquo;s operations in the metropolitan region of S&atilde;o
Paulo;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">4. All operating costs, taxes, investments, and the opportunity
cost of SABESP&rsquo;s investors and creditors were considered in the cash flow analysis;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">5. The opportunity cost of SABESP&rsquo;s creditors and
investors was based on the Weighted Average Cost of Capital (WACC) methodology. This cost was used as a discount rate of the cash flow,
calculated at 7.75% at the time;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">6. The agreement provides for investments corresponding
to 13% of gross revenue from services provided in the Municipality of S&atilde;o Paulo, net of Cofins and Pasep taxes. Investment plans
referring to SABESP&rsquo;s execution shall be compatible with the activities and programs provided for in the State and Municipal sanitation
plans, as well as in the Metropolitan sanitation plan, where applicable. The Investment Plan will be revised by the Managing Committee
every four years, especially regarding investments to be made in the subsequent period.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">7. The amount transferred to the Municipal Fund for Environmental
Sanitation and Infrastructure (FMSAI) to be invested in sanitation services in the municipality must be recovered through tariff charges,
as agreed upon in the contract. This amount accounts for 7.5% of the total revenue from services provided in the Municipality of S&atilde;o
Paulo, net of Cofins and Pasep, and delinquency is retained in the municipalities until it is settled. Amounts transferred to FMSAI are
recorded in profit or loss as operational cost;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">8. The agreement provides for the remuneration of net
assets in operation, preferably calculated through equity valuation or carrying amount adjusted for inflation, as defined by ARSESP. In
addition, it provides for the remuneration of investments to be made by SABESP, so that there is no residual value at the end of the Agreement.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 16, 2016, as a result of the 1st Four-Year
Review, the 1st amendment to the contract was signed, updating the exhibits related to the Coverage Targets Plan and service quality,
the Investment Plan, and the Investment Compatibility Strategy.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Regarding the recovery of the amount transferred to the
Municipal Fund for Environmental Sanitation and Infrastructure through tariff charges, mentioned in item 7 above, in April 2013, ARSESP
issued Resolution 413, postponing the application of Resolution 407 and suspending, until the conclusion of the tariff review process,
the transfer of services corresponding to municipal charges to consumers, as established in Resolution 407. The postponement of Resolution
407 was due to a request by the S&atilde;o Paulo State to analyze, among other things, methods to reduce the impact on consumers.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of April 18, 2014, ARSESP published Resolution 484
with the final result of SABESP&rsquo;s Tariff Revision. However, both the S&atilde;o Paulo Municipal Government, through Official Letter
1,309/2014-SGM/GAB, and the S&atilde;o Paulo State, through a petition filed by the S&atilde;o Paulo State Office, through Official Letter
ATG/Official Letter 092/2014-CC, requested a postponement of the effects of ARSESP Resolution 413, published in the S&atilde;o Paulo State
Official Gazette on March 20, 2013, until the conclusion of the revision of the Agreement entered into between the S&atilde;o Paulo Municipal
Government, the S&atilde;o Paulo State, and SABESP.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of May 9, 2018, ARSESP announced the final result
of the Second Ordinary Tariff Revision and, as of this revision cycle, ARSESP has been transferring the tariffs up to 4% of municipal
revenue, which is transferred from SABESP to the Municipal Fund for Environmental Sanitation and Infrastructure legally created. Under
the Second Ordinary Tariff Revision, concluded in May 2018, the only contract providing for that transfer and meeting the requirements
of ARSESP was the one executed with the municipality of S&atilde;o Paulo. Accordingly, 4% of the funds transferred to the Municipal Fund
for Environmental Sanitation and Infrastructure of S&atilde;o Paulo were transferred to the tariffs of the tariff cycle ended in April
2021.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Municipal Government of S&atilde;o Paulo, the S&atilde;o
Paulo State Government, ARSESP, and the Company have not reached an agreement to define the percentage of the Municipal Fund for Environmental
Sanitation and Infrastructure transfer to the tariffs charged by the Company in the Municipality of S&atilde;o Paulo, which led to the
filing of a lawsuit by the municipality claiming the percentage provided for in the contract between the parties. As requested by the
municipality, the lawsuit is currently suspended.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">At the time of execution of the agreement, the Municipality
of S&atilde;o Paulo and the Company did not agree to settle the pending financial issues existing, related to the rendering of water supply
and sewage services to the properties of the Municipality, and for that reason, the Company filed lawsuits for collection of the aforementioned
amounts, which remain in progress and are recorded under allowance for doubtful accounts.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023 and 2022, the agreement entered
into with the Municipality of S&atilde;o Paulo accounted for 44.95% and 45.14%, respectively, of the Company&rsquo;s sanitation revenue,
which ensures legal and property security to SABESP.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Public-Private Partnership - PPP</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">SABESP carries out operations related to the PPPs mentioned
below. These operations and their respective guarantees are supported by agreements executed according to Law 11,079/2004.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><U>Alto Tiet&ecirc; Production System (PPP SPAT) </U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In June 2008, SABESP and the special purpose entity CAB-Sistema
Produtor Alto Tiet&ecirc; S/A (currently SPAT Saneamento S/A), formed by Galv&atilde;o Engenharia S.A. and Companhia &Aacute;guas do Brasil
&ndash; Cab Ambiental, signed the contracts of the Public-Private Partnership of the Alto Tiet&ecirc; production system, to expand the
capacity of the Taia&ccedil;upeba Water Treatment Station, from 10 thousand to 15 thousand litters per second, valid for 15 years from
the commencement of the works.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">The works started in February 2009 and the SPAT PPP started operating in October
2011.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">SABESP monthly transfers funds from tariffs collected
for services provided to the SPE CAB Sistema Produtor Alto Tiet&ecirc; S/A, totaling R$ 14,740, corresponding to monthly remuneration.
This amount is annually adjusted by the IPC &ndash; FIPE and is monthly recorded in a restricted account, as established in the contracts.
If SABESP complies with its monthly obligations with the SPE, the funds from the restricted account will be released.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The guarantee has been effective since the beginning
of the operation and will be valid until the end, termination, intervention, annulment, or caducity of the Administrative Concession,
or other events of extinction provided for in the Concession Agreement or the legislation applicable to administrative concessions, including
in the event of bankruptcy or dissolution of the SPE.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><U>S&atilde;o Louren&ccedil;o Production System (PPP
SPSL)</U></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In August 2013, the Company and the special purpose entity
Sistema Produtor S&atilde;o Louren&ccedil;o S/A, formed by Constru&ccedil;&otilde;es e Com&eacute;rcio Camargo Corr&ecirc;a S/A and Construtora
Andrade Gutierrez S/A, signed the Public-Private Partnership contracts of the S&atilde;o Louren&ccedil;o Production System, valid for
25 years from the commencement of the works.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In May 2018, the control of SPE Sistema Produtor S&atilde;o
Louren&ccedil;o S/A was transferred to CGGC Construtora do Brasil Ltda, previously formed by Constru&ccedil;&otilde;es e Com&eacute;rcio
Camargo Corr&ecirc;a S/A and Construtora Andrade Gutierrez S/A.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The objective of the contract is (i) the construction
of a water production system, mainly consisting of a water pipeline connecting Ibi&uacute;na to Barueri, a water collection station in
Ibi&uacute;na, a water treatment station in Vargem Grande Paulista and water reservoirs; and (ii) for the operation of the system to dewater,
dry and provide final disposal of sludge, maintenance, and works of the S&atilde;o Louren&ccedil;o Production System project.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The works started in April 2014 and the S&atilde;o Louren&ccedil;o
Production System (SPSL) PPP started operating on July 10, 2018.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Since the beginning of operations, the Company monthly
transfers funds from tariffs collected for services provided to the SPE Sistema Produtor S&atilde;o Louren&ccedil;o S/A, in the amount
of R$ 42,904, corresponding to monthly remuneration plus any interests and charges. This amount is annually adjusted by the IPC &ndash;
FIPE and is monthly recorded in a restricted account, as established in the contracts. If the Company complies with its monthly obligations
with the SPE, the funds from the restricted account will be released.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The guarantee has become effective since the start of
operations of the system, with acceptance by SABESP, and will be valid until one of the following events occurs, whichever occurs first
(i) the original payment date of the last installment of interest/amortization of the main financing that the SPE may contract for the
performance of the works; (ii) end, termination, intervention, annulment or caducity of the Administrative Concession, or other events
of extinction provided for in the Concession Agreement or the legislation applicable to administrative concessions, including in the event
of bankruptcy or dissolution of the SPE.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Intangible assets were accrued based on the physical
performance of the works, with the Public-Private Partnership accounts being the corresponding entries in liabilities.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The discount rates used in the agreements of the Public-Private
Partnerships Alto Tiet&ecirc; and S&atilde;o Louren&ccedil;o are 8.20% and 14.85% p.a., respectively, for the calculation of the present
value adjustment.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amounts recorded in intangible assets are as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; width: 35%; padding-top: 1pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 33%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="width: 32%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-top: 1pt; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">235,224</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">251,545</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,556,002</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,725,900</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">2,791,226</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">2,977,445</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The obligations assumed by the Company are as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Current liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Current liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent liabilities</B></P></TD>
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total liabilities</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">52,762</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">52,762</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">91,782</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">36,645</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">128,427</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">435,164</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,798,688</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,233,852</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">130,631</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,700,123</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,830,754</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">487,926</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,798,688</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,286,614</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">222,413</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,736,768</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,959,181</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 118 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->117<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(e)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Amortization of Intangible Assets</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The average amortization rate totaled 5.4% and 5.2% as
of December 31, 2023 and 2022, respectively.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(f)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Leases and right of use</FONT></B></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="width: 29%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="width: 25%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Nature</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Leases - Contract asset</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">276,893</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Leases - Concession and Program Contract</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">588,600</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">405,431</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(213,921)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(182,859)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">374,679</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">222,572</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Right of use &ndash; Other assets </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Vehicles</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">205,593</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">153,384</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Properties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">11,566</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">11,711</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">45</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5,826</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(99,144)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(95,869)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">118,060</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">75,052</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 0.5pt; border-top: Black 0.5pt solid; border-bottom: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 0.5pt; border-top: Black 0.5pt solid; border-bottom: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total - Leases and Right of use</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">492,739</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">574,517</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The lease liability corresponds to total future fixed
lease payments, adjusted to present value, considering an incremental rate on borrowings. For further information, see Note 17.</P>


<!-- Field: Page; Sequence: 119 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->118<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows the impact on the Company&rsquo;s
result:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Impact on the
    result</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 54%; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Right of use amortization</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(96,429)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(105,551)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial result &ndash; interest expense and inflation adjustment</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(75,108)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(72,050)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Expenses of short-term leases with low value</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(26,776)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(25,365)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Reduction of profit for the year</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(198,313)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(202,966)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(g)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Performance Agreements</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">SABESP has performance agreements for the construction
of assets, in which the contractor is paid for the delivery of results, not only for the execution of the construction works.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The performance agreements have three phases: (i) implementation
of the scope - construction of the asset; (ii) calculation of the performance of the asset built; and (iii) payment of fixed installments.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">SABESP monitors the performance of the agreement and
recognizes the assets when future economic benefits are generated for the Company so that costs can be reliably measured. The performance
value is part of the asset&rsquo;s cost, as it has better performance and, consequently, generates additional future economic benefits
for the Company.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The limit to be paid to the supplier corresponds to 120%
of the base value of the agreement. In most agreements, when the minimum performance percentage is not reached, the amount to be paid
to the supplier will be the cost of the materials used in the construction of the assets only.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the accounting balances of the
agreements in force recorded in contract asset and intangible assets were R$ 183,876 and R$ 2,191,361 (R$ 138,550 and R$ 2,126,106 as
of December 31, 2022), respectively.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>


<!-- Field: Page; Sequence: 120 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->119<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>16</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Property, plant, and equipment </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Statement of financial position details</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="4" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD COLSPAN="4" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="4" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD COLSPAN="4" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 24%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; width: 8%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; width: 11%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    depreciation</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; width: 9%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 10%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual average
    depreciation rate</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; width: 8%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; width: 11%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    depreciation</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; width: 9%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 10%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual average
    depreciation rate</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Land</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">94,228</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">94,228</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">94,228</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">94,228</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt/110% Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Buildings</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">125,672</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(44,726)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">80,946</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2.2%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">90,311</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(42,343)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">47,968</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2.1%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">443,380</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(313,193)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">130,187</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">14.2%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">412,828</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(291,963)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">120,865</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">15.3%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Transportation equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">14,625</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(10,384)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">4,241</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">9.9%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">12,578</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(10,083)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,495</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">9.9%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Furniture and fixtures </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">41,049</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(15,876)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">25,173</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">6.8%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">38,528</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(15,032)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">23,496</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">6.7%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">140,548</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(764)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">139,784</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6.5%</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">50,189</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(302)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,887</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5.0%</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">859,502</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(384,943)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">474,559</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">9.7%</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">698,662</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(359,723)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">338,939</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">11.2%</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Changes</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="6" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 5pt; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 0in; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Land</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,228</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,228</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">47,968</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,832</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28,459</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(14)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,299)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">80,946</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">120,865</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">55,449</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(18,121)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(641)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(27,365)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">130,187</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Transportation equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,495</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,432</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(686)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,241</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23,496</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,522</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3,060)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(72)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,713)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25,173</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,887</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">79,446</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,826</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(375)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">139,784</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">338,939</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">147,249</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">20,536</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(727)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(31,438)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">474,559</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>


<!-- Field: Page; Sequence: 121 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->120<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="6" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 5pt; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Land</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,213</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,228</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,498</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,657</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(976)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(45)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,166)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">47,968</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">115,154</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,849</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,988</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(781)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(23,345)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">120,865</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Transportation equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,472</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">175</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">658</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(807)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,495</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,079</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,646</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">394</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(149)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,474)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23,496</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">11,741</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">38,341</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(30)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(78)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(87)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,887</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">291,157</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">73,668</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,049</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,056)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(26,879)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">338,939</P></TD></TR>
  </TABLE>


<!-- Field: Page; Sequence: 122 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->121<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>17</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Borrowings and financing</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify; text-indent: -35.45pt"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><B>&nbsp;Borrowings and financing outstanding balance</B></FONT></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 53%; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><B>Financial institution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>Total</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>Total</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><B>Local currency</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;12th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,450</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,385</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">67,835</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,450</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">67,681</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">113,131</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;17th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">144,632</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">144,632</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;18th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">46,962</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">46,962</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49,937</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,649</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">95,586</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;22nd issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">170,957</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">170,616</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">341,573</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">199,901</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">326,433</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">526,334</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;23rd issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">490,810</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">374,279</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">865,089</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">864,910</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">864,910</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;24th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">512,122</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">512,122</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">488,478</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">488,478</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;26th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,302,042</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,302,042</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,239,645</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,239,645</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;27th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">200,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">498,634</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">698,634</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">299,614</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">698,339</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">997,953</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;28th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">127,715</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,070,457</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,198,172</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,197,756</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,197,756</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;29th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,314,136</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,314,136</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,275,295</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,275,295</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;30th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">125,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">873,231</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">998,231</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">998,110</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">998,110</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">108,210</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,508,275</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,616,485</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">99,767</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,422,145</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,521,912</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES PAC</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,736</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,736</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES PAC II 9751</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,286</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">16,316</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23,602</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,214</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23,344</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30,558</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES PAC II 9752</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,936</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,107</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">16,043</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,887</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">15,884</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">20,771</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES ONDA LIMPA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,219</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,766</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">33,985</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">26,949</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">33,617</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">60,566</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Brazilian Development Bank &ndash; BNDES TIET&Ecirc; III</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">200,693</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">652,175</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">852,868</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">154,437</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">656,264</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">810,701</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES 2015</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">34,146</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">360,021</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">394,167</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">33,807</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">390,127</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">423,934</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES 2014</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,638</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">10,107</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">16,745</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,572</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">16,525</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23,097</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Inter-American Development Bank &ndash; IDB 2202 </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,983,615</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,164,964</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,164,009</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,345,358</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Inter-American Development Bank &ndash; IDB INVEST</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">39,550</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">814,840</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">854,390</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">37,340</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">853,725</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">891,065</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Inter-American Development Bank &ndash; IDB INVEST 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">14,100</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">438,241</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">452,341</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">14,100</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">452,085</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">466,185</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Inter-American Development Bank &ndash; IDB INVEST 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">14,100</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">447,791</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">461,891</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;International Finance Corporation - IFC 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">713,910</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">736,710</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">80,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">670,996</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">750,996</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;International Finance Corporation - IFC 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">986,651</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">986,651</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49,884</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">259,326</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">309,210</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">44,453</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">313,391</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">357,844</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Leases (others)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">68,499</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">73,801</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">142,300</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">72,109</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,265</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">101,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,003</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,910</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,913</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,241</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,867</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">12,108</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">377,398</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">377,398</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">417,878</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">417,878</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.3pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><B>Total in local currency</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">2,366,705</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">14,423,754</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">16,790,459</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">1,933,373</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">14,249,540</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">16,182,913</P></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 123 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->122<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;<B>Borrowings and financing outstanding balance</B></FONT></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 53%; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><B>Financial institution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>Total</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: center"><B>Total</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><B>Foreign currency</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Inter-American Development Bank - IDB 1212 &ndash; US$ 20,556 thousand (US$ 30,834 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49,759</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49,759</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">99,518</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">53,628</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">107,256</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">160,884</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Inter-American Development Bank - IDB 4623 &ndash; US$ 152,187 thousand (US$ 74,299 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">712,449</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">712,449</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">367,441</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">367,441</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;International Bank for Reconstruction and Development (IBRD) &ndash; IBRDs 7662 and 8916 - <BR>
US$ 107,445 thousand (US$ 78,197 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,433</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">477,554</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">506,987</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">31,722</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">365,648</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">397,370</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;JICA 15 &ndash; &yen; 6,914,580 thousand (&yen; 8,067,010 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">39,437</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">197,180</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">236,617</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,602</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">273,610</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">319,212</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;JICA 18 &ndash; &yen; 6,216,960 thousand (&yen; 7,253,120 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">35,457</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">177,168</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">212,625</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">41,001</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">245,865</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">286,866</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;JICA 17 &ndash; &yen; 3,464,352 thousand (&yen; 3,753,048 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,879</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">107,880</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">117,759</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,424</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">136,227</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">147,651</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;JICA 19 &ndash; &yen; 24,482,493 thousand (&yen; 26,296,011 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">62,059</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">774,200</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">836,259</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">71,761</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">967,124</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,038,885</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;IDB 1983AB &ndash; (US$ 7,692 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">39,962</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">39,962</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&nbsp;Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">23,677</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">23,677</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">17,487</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: right; border-bottom: Black 0.5pt solid">17,487</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.3pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><B>Total in foreign currency</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">249,701</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">2,496,190</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">2,745,891</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">312,587</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">2,463,171</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 0.5pt solid">2,775,758</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.3pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><B>Total borrowings and financing</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">2,616,406</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">16,919,944</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">19,536,350</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">2,245,960</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">16,712,711</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">18,958,671</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 0.1pt"><I>&nbsp;</I></P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 0.1pt">Exchange rate as of December 31, 2023: US$ 4.8413; &yen;&nbsp;0.03422
    (as of December 31, 2022: US$ 5.2177; &yen; 0.03957).</P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 0.1pt">As of December 31, 2023, the Company did not have balances of borrowings
    and financing raised during the year, maturing within 12 months.</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 124 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->123<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 2pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Local currency</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Guarantees</B></P></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Maturity</B></P></TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual interest
    rate</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Inflation adjustment</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">12th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TR + 9.5% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">17th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2023</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.75% (series 1), 4.5% (series 2) and 4.75% (series 3)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">18th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2024</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.92 % (series 1 and 3) and 8.25% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22nd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.58% (series 1), CDI+ 0.90% (series 2) and 6.0% (series 3)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23rd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.49% (series 1) and CDI+ 0.63% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">24th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3.20% (series 1) and 3.37% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">26th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2030</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4.65% (series 1) and 4.95% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 1.60% (series 1), CDI+ 1.80% (series 2) and 2.25% (series 3)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2028</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right">CDI + 1.20% (series 1), CDI+ 1.44% (series 2), and</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right">1.60% (series 3)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2036</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right">CDI + 1.29% (series 1), 5.3058% (series 2), and</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right">5.4478% (series 3)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 1.30% (series 1) and CDI+ 1.58% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2024/2042</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5% to 9.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TR</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES PAC</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2023</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.82% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES PAC II 9751</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES PAC II 9752</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES ONDA LIMPA</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.92% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank &ndash; BNDES TIET&Ecirc; III</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2028</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.66% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES 2015</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 2.18% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES 2014</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2026</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.76%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Inter-American Development Bank &ndash; IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.86%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Inter-American Development Bank &ndash; IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2034</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI+ 1.90% and CDI 2.70%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Inter-American Development Bank &ndash; IDB Invest 2022</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2036</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 2.50%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Inter-American Development Bank &ndash; IDB INVEST 2023</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2036</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.50%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">International Finance Corporation - IFC </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2032</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 2.00%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7.73% to 10.12% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPC</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9.32% to 15.24%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3% (FEHIDRO); TJLP + 1.5% (FINEP)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  </TABLE>

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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Foreign currency</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Guarantees</B></P></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Maturity</B></P></TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual interest
    rate</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Exchange variation</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Inter-American Development Bank - IDB 1212 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; US$ 20,556 thousand </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">SOFR + 4.72%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Inter-American Development Bank - IDB 4623 &ndash; US$ 152,187 thousand </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2044</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">SOFR + 6.60531%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">International Bank for Reconstruction and Development (IBRD) &ndash; </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">IBRDs 7662 and 8916 - US$ 107,445 thousand</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2034</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">SOFR + 6.0% and 7.1%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA 15 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; &yen; 6,914,580 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.8% and 2.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA 18 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; &yen; 6,216,960 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.8% and 2.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA 17 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; &yen; 3,464,352 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.2% and 0.01% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA 19 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; &yen; 24,482,493 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2037</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.7% and 0.01% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>



<!-- Field: Page; Sequence: 126 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->125<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payment schedule &ndash; accounting
balances as of December 31, 2023</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="8" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 28%; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2024</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2025</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2026</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2027</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2028</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2029</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2030 to 2044 </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>TOTAL</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,206,894</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,336,415</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,214,740</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,368,020</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">658,827</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">781,623</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">778,277</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,344,796</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">108,210</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">114,964</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">122,140</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">129,752</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">137,707</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">142,986</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">860,726</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,616,485</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">280,918</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">260,466</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">250,531</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">237,817</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">84,241</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">34,146</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">189,291</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,337,410</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDBs - National </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">249,099</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">260,899</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">330,209</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">315,069</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">420,959</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">385,919</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,971,432</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,933,586</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IFCs</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">44,200</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">61,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">80,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">123,600</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,600</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,208,561</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,723,361</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">118,383</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">97,096</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">53,629</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36,184</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">38,901</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">42,692</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">64,625</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">451,510</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,003</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,768</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">142</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,913</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">377,398</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">377,398</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,366,705</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,116,808</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,033,191</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,167,642</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,464,235</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,568,966</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">5,072,912</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">16,790,459</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49,759</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">69,148</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">38,778</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">38,778</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">38,778</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">38,778</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">537,948</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">811,967</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,433</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,433</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,433</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,433</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,433</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">40,238</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">319,584</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">506,987</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">146,832</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">146,831</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">146,831</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">146,831</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">146,831</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">146,712</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">522,392</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,403,260</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">23,677</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">23,677</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">249,701</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">245,412</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">215,042</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">215,042</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">215,042</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">225,728</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,379,924</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,745,891</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">2,616,406</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">2,362,220</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">2,248,233</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">2,382,684</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">1,679,277</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">1,794,694</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">6,452,836</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">19,536,350</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.25pt"><B>&nbsp;</B></FONT></P>


<!-- Field: Page; Sequence: 127 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->126<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.25pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">(II)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Changes</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="12" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 27%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Addition (lease)</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Funding</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Borrowing costs</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Monetary and
    exchange variation</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Inflation adjustment
    / exchange variation and incorporated interest- Capitalized</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest paid</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accrued interest</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provision for
    interest and fees - Capitalized</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Expenses with
    borrowing costs </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 0.1pt; text-align: center"><B>31, 2023</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,166,366</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,043)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">114,228</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">21,421</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(839,833)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(741,812)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">628,580</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">176,739</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,172</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,534,818</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,526,185</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">174,058</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,475</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(122,843)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(106,982)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">98,428</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">24,670</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,621,014</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,380,993</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">190,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">10,326</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,464</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(97,829)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(241,992)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">78,745</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">18,516</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">249</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,341,472</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,450,550</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(328,627)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(181,349)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">135,524</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">175,689</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">955</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,252,742</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB INVEST 2020</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">943,619</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(138,676)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(37,340)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,360</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">104,739</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">665</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">900,367</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IFC 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">774,525</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(114,131)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(15,200)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">15,029</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">96,160</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">914</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">757,297</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IFC 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,000,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(13,652)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,434)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,335</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,090</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">303</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,006,642</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB INVEST 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">469,327</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(72,245)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(14,100)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">71,305</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">256</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">454,543</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB INVEST 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">470,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,083)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(41,022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(7,050)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">43,263</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">464,131</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">357,844</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(54,135)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(48,634)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">54,135</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">309,210</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">101,374</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">108,405</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(39,918)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(88,452)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">60,891</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">142,300</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">12,130</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">3,629</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">60</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(587)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(9,884)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">566</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">9</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">5,923</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">16,182,913</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">108,405</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,837,687</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(16,778)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">146,637</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">29,360</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(1,852,280)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(1,492,795)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,225,161</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">607,612</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">14,537</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">16,790,459</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDBs</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">532,693</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">384,824</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(5,137)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(45,895)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(33,808)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(51,178)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36,929</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,027</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">819,455</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">399,762</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">173,547</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3,032)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(30,374)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(22,089)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(31,009)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,663</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">57</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">490</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">515,015</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 0.2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,803,109</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(231,877)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">105</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(26,795)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(157,785)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23,697</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">763</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">204</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,411,421</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">40,194</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(1,813)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(1,447)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(38,323)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">909</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">311</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">169</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,775,758</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">558,371</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(8,169)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(309,959)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">105</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(84,139)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">(278,295)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">89,198</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,131</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,890</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,745,891</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.3pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">18,958,671</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">108,405</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">2,396,058</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">(24,947)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">(163,322)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">29,465</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">(1,936,419)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">(1,771,090)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">1,314,359</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">608,743</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">16,427</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">19,536,350</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 128 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->127<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="12" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 27%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Addition (lease)</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Funding</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Borrowing costs</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Monetary and exchange
    variation</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Inflation adjustment
    / exchange variation and incorporated interest- Capitalized</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest paid</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accrued interest</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provision for interest
    and fees - Capitalized</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Expenses with borrowing
    costs </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, 2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,467,968</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,000,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(4,320)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">165,879</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(712,966)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(563,504)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">544,116</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">257,951</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,242</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,166,366</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,483,113</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">119,437</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">17,247</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,131</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(117,041)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(100,855)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">80,422</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36,731</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,526,185</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,392,844</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">200,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,020</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,117</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(104,596)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(222,353)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">67,311</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">37,391</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">259</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,380,993</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,589,442</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(281,971)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(181,349)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">98,574</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">224,899</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">955</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,450,550</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB INVEST 2020</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">956,942</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(108,921)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(34,800)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">129,733</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">665</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">943,619</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB INVEST 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">760,000</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(9,385)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(24,978)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">48,507</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">381</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">774,525</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IFC 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">470,000</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3,922)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(30,698)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">33,840</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">107</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">469,327</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">397,311</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(54,390)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(39,467)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">54,390</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">357,844</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">125,969</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">42,182</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(17,659)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(84,437)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">35,319</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">101,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14,094</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,654</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">56</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(789)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,669)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">748</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">12,130</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14,427,683</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">42,182</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,553,091</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(17,627)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">190,202</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,250</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,454,009)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,232,434)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,044,453</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">605,513</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,609</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">16,182,913</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDBs</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">387,837</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">226,497</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(6,732)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(20,355)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(12,581)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(56,273)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">13,733</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">567</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">532,693</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">420,881</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">39,417</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3,166)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(28,665)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">61</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3,779)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(30,895)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,525</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">20</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">363</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">399,762</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,401,887</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">15,546</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(437,296)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,243</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(33,167)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(177,007)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">26,597</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,102</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">204</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,803,109</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">85,548</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,602)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,952)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(40,115)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,284</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">614</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">417</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">40,194</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,296,153</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">281,460</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(9,898)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(491,918)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,304</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(51,479)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(304,290)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">47,139</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,736</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,551</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,775,758</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">17,723,836</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">42,182</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,834,551</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(27,525)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(301,716)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">13,554</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,505,488)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,536,724)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,091,592</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">609,249</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">15,160</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">18,958,671</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.25pt"><B>&nbsp;</B></FONT></P>


<!-- Field: Page; Sequence: 129 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->128<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Main events in 2023</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Debentures</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the first quarter of 2023, the Company paid the final
amortization of the 17th issue debentures, totaling R$&nbsp;152,157, of which R$&nbsp;145,284 in principal and R$&nbsp;6,873 in interest.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the first quarter of 2023, the Company paid the final
amortization of the 2nd series of the 22nd issue debentures, totaling R$&nbsp;214,404, of which R$&nbsp;200,000 in principal and R$&nbsp;14,404
in interest.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the fourth quarter of 2023, the Company paid the final
amortization of the first series of 17th issue debentures, totaling R$&nbsp;321,535, of which R$&nbsp;300,000 in principal and R$&nbsp;21,535
in interest.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>IDB INVEST 2023</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the second quarter of 2023, the Company raised R$
470.0 million with the Inter-American Investment Corporation (IDB INVEST).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The proceeds raised from this contract will be used to
partially finance the Company&rsquo;s investments related to the 4th Stage of the Tiet&ecirc; River Cleaning Project.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The principal will be amortized in semi-annual payments
in December and June, starting in December 2023 and ending in December 2036. Interests mature semi-annually in June and December, starting
in June 2023 and ending in December 2036, at CDI + 0.5% p.a.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The loan is collateralized by Soci&eacute;t&eacute; de
Promotion et de Participation pour la Coop&eacute;ration Economique (PROPARCO). Interests mature semi-annually in June and December, starting
in June 2023 and ending in December 2036, at CDI + 2.0% p.a.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The covenants agreed upon for IDB INVEST
2023 are:</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.25pt; text-align: justify">Calculated every quarter, when disclosing
the quarterly information or annual financial statements:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.25pt; text-align: justify">- Net debt/adjusted EBITDA equal to or
lower than 3.50;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.25pt; text-align: justify">- Adjusted EBITDA/paid financial expenses
equal to or higher than 2.35;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.25pt; text-align: justify">They should be maintained for two (2) consecutive
quarters or not, for any four (4) consecutive quarters.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>IDB 1983AB</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the second quarter of 2023, the Company paid the final
amortization of IDB 1983AB, totaling R$&nbsp;39.7 million, of which R$&nbsp;38.3 million in principal and R$&nbsp;1.4 million in interest.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>BNDES PAC 2008</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the second quarter of 2023, the Company paid the final
amortization of BNDES PAC 2008, totaling R$ 1.1 million.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>IFC 2023</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the second quarter of 2023, the Company contracted
financing of R$&nbsp;1.0 billion with the International Finance Corporation (IFC). The proceeds raised from this contract will be exclusively
used to cover the costs of the New Pinheiros Project.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the third quarter of 2023, R$ 0.5 billion was raised.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In the fourth quarter of 2023, R$ 0.5 billion was raised.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The principal will be amortized in semi-annual payments
in October and April, starting in October 2025 and ending in April 2033. Interests mature semi-annually in October and April, starting
in October 2023 and ending in April 2033, at CDI + 1.7% p.a. SABESP must also pay to IFC a commitment fee of 1% p.a. on the portion that
has not been disbursed or canceled.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The covenants agreed upon for IFC 2023
are:</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.25pt; text-align: justify">Calculated every quarter, when disclosing
the quarterly information or annual financial statements:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.25pt; text-align: justify">- Net debt/adjusted EBITDA equal to or
lower than 3.50;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.25pt; text-align: justify">- Adjusted EBITDA/paid financial expenses
equal to or higher than 2.35;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.25pt; text-align: justify">They should be maintained for two (2) consecutive
quarters or not, for any four (4) consecutive quarters.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Leases</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has lease agreements signed as Assets Leases.
During the construction period, work costs are capitalized to contract assets and the lease amount is recorded in the same proportion.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">After startup, the lease payment period starts (240 monthly
installments), and the amount is periodically restated by the contracted price index.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amounts payable for the right of use of assets are
also recorded in this line. See Note 15 (f).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Covenants</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows the most restrictive covenants
as of December 31, 2023.</P>



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    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 66%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 34%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Covenants</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Adjusted EBITDA / Adjusted Financial Expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or higher than 2.80</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">EBITDA / Financial Expenses Paid</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or higher than 2.35</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Adjusted Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or lower than 3.80</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or lower than 3.50</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other Onerous Debt <SUP>(1)</SUP> / Adjusted EBITDA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or lower than 1.30</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Adjusted Current Liquidity</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Higher than 1.00</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="padding-top: 6pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(1) The contractual definition of &ldquo;Other Onerous Debts&rdquo; corresponds to the sum of pension plan obligations and healthcare plan, installment payments of tax debts, and installments payments of debts with the electricity supplier.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023 and 2022, the Company met the
requirements set forth by its borrowings and financing agreements.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Borrowings and financing &ndash; Credit limited</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 68%; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="width: 3%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 29%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Agent</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(in millions of reais (*))</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">933</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Brazilian Development Bank (BNDES) </FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">30</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Inter-American Development Bank (IDB)</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">716</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">International Bank for Reconstruction and Development (IBRD) </FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,000</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TOTAL</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,686</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) Brazilian Central Bank&rsquo;s exchange rate as of
December 31, 2023 (US$ 1.00 = R$ 4.8413; &yen; 1.00 = R$ 0.03422).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financing resources contracted have specific purposes
and are released for the execution of their respective investments, according to the progress of the works.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>18</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Taxes and contributions</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Current assets</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 41%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt/110% Frutiger Light; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Recoverable taxes</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt/110% Frutiger Light; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">462,642</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">206,517</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">462,642</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Withheld income tax (IRRF) on financial investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">29,953</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">33,283</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">29,955</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other federal taxes</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,050</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,106</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,050</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">494,645</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">242,906</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">494,647</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Current liabilities</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 41%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Taxes and contributions payable</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">205,587</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">205,964</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Cofins and Pasep</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">141,576</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">134,624</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">141,703</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">INSS (social security contribution)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44,556</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44,515</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44,556</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">IRRF (withholding income tax)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">64,770</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">63,361</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">64,770</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">54,979</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">50,961</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">54,979</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">511,468</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">293,461</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">511,972</P></TD></TR>
  </TABLE>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->132<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>19</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Deferred taxes and contributions</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 53%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 24%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 23%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>Deferred tax assets </B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">666,131</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">560,404</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Frutiger Light; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">135,231</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">141,606</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">45,140</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">46,088</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Credit losses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">182,519</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">199,363</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">382,767</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">171,798</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total deferred tax asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,411,788</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,119,259</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Temporary difference in the concession of intangible asset</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(329,060)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(353,817)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(465,510)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(457,669)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Profit on supply to government entities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(348,514)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(346,650)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Actuarial gain &ndash; G1 Plan </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(121,425)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(93,561)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Construction margin</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(40,579)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(43,323)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 0.5pt solid">(8,624)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,517)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total deferred tax liabilities</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 0.5pt solid">(1,313,712)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,308,537)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Deferred tax asset/(liability), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">98,076</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(189,278)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 134 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->133<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Realization</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 42%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 29%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 29%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>Deferred tax assets </B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">to be realized in up to 12 months</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">366,525</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">318,965</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Frutiger Light; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">to be realized after one year</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 0.5pt solid">1,045,263</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 0.5pt solid">800,294</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total deferred tax asset</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,411,788</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,119,259</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">to be realized in up to 12 months</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(36,074)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(25,746)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Frutiger Light; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">to be realized after one year</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 0.5pt solid">(1,277,638)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 0.5pt solid">(1,282,791)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total deferred tax liabilities</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 0.5pt solid">(1,313,712)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 0.5pt solid">(1,308,537)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; padding-left: 5.65pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Deferred tax asset/(liability)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 1.5pt double">98,076</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: Black 1.5pt double">(189,278)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Deferred tax assets</B></FONT></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Net</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>change</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Provisions</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">560,404</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">105,727</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">666,131</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">141,606</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(6,375)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">135,231</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">46,088</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(948)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">45,140</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Credit losses</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">199,363</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(16,844)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">182,519</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">171,798</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">210,969</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">382,767</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,119,259</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">292,529</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,411,788</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Temporary difference in the concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(353,817)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">24,757</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(329,060)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(457,669)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(7,841)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(465,510)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(346,650)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,864)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(348,514)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Actuarial gain &ndash; G1</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(93,561)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(27,864)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(121,425)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(43,323)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,744</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(40,579)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,517)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,893</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(8,624)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,308,537)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,175)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,313,712)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Deferred tax asset/(liability), net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(189,278)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">287,354</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">98,076</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 135 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->134<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; padding-right: 3pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Deferred tax assets</B></FONT></TD>
    <TD STYLE="width: 17%; padding-right: 3pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 3pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Net</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>change</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 3pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Provisions</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">503,374</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">57,030</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">560,404</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">150,577</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(8,971)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">141,606</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">47,589</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,501)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">46,088</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Credit losses</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">183,963</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">15,400</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">199,363</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">127,092</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">44,706</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">171,798</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,012,595</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">106,664</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,119,259</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Temporary difference in the concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(368,235)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">14,418</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(353,817)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(404,931)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(52,738)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(457,669)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(353,262)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6,612</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(346,650)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Actuarial gain &ndash; G1</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(109,271)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">15,710</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(93,561)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(46,079)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,756</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(43,323)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(14,556)</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,039</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,517)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,296,334)</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(12,203)</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,308,537)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(283,739)</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">94,461</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(189,278)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 24%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="width: 24%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Opening balance </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(189,278)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(283,739)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Net change in the year:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;- corresponding entry in the income statement</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">315,218</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">78,751</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;- corresponding entry in the equity valuation adjustment (Note 22)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(27,864)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">15,710</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total net change</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">287,354</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">94,461</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Closing balance </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">98,076</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(189,278)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 136 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->135<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Reconciliation of the effective tax
rate</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amounts recorded as income tax and social contribution
expenses in the financial statements are reconciled to the statutory rates, as shown below:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%; font-size: 11pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 43%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%; font-size: 11pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 19%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 19%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 19%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Profit before income taxes</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,753,603</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,272,750</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,753,984</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Statutory rate</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Estimated expense at the statutory rate</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,616,225)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,452,735)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,616,355)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax benefit of interest on equity</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">329,017</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">284,920</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">329,017</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Permanent differences</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&#9;Provision Law 4,819/1958 &ndash; G0 (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(38,245)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(26,786)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(38,245)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&#9;Donations</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(7,046)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(16,588)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(7,046)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&#9;Tax incentives</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">62,510</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">62,510</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&#9;Other differences</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">39,917</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">59,706</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">39,666</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,230,072)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,151,483)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,230,453)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Current income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,545,290)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,230,234)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,545,671)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Deferred income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">315,218</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">78,751</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">315,218</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%; font-size: 11pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Effective rate</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">26%</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">27%</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">26%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 10pt Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="width: 3%">(i)&nbsp;</TD>
  <TD STYLE="width: 97%">Permanent difference related to the provision for the actuarial liability. See Note 22 (ii) and (v).</TD></TR>
</TABLE>


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 137 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->136<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>20</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Provisions</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Lawsuits and proceedings that resulted in provisions</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify; text-indent: -23.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(I)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Statement of financial position details</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is a party to several legal claims and administrative
proceedings arising from the normal course of business, including civil, tax, labor, and environmental matters. Management recognizes
provisions consistently with the recognition and measurement criteria established in Note 3.16. The terms and payment amounts are defined
based on the outcome of these lawsuits.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 30%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Escrow deposits</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions net
    of deposits</B></P></TD>
    <TD STYLE="width: 1%; padding-right: 5pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Escrow deposits</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions net
    of deposits</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">175,255</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(6,060)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">169,195</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">151,023</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(6,226)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">144,797</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">334,273</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(90,973)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">243,300</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">257,080</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(53)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">257,027</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">128,036</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,229)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">126,807</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">99,462</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,131)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">98,331</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">101,770</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(18,223)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">83,547</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">79,532</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(16,037)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">63,495</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">727,133</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(16,235)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">710,898</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">654,277</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(13,979)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">640,298</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">492,740</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(55)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">492,685</P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">406,872</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(36)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">406,836</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,959,207</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(132,775)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,826,432</P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,648,246</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(37,462)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,610,784</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,064,367</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,064,367</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">924,038</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">924,038</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">894,840</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(132,775)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">762,065</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">724,208</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(37,462)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">686,746</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 138 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->137<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 21.3pt; text-align: justify; text-indent: -23.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(II)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Changes</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="6" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additional provisions</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest and
    inflation adjustment</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Use of the accrual</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">151,023</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">39,272</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">32,299</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(34,437)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(12,902)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">175,255</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">257,080</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">114,084</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">18,380</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(54,905)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(366)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">334,273</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">99,462</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">77,082</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">32,483</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(16,810)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(64,181)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">128,036</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">79,532</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">19,807</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6,082</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(721)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,930)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">101,770</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">654,277</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">99,926</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">70,927</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(42,214)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(55,783)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">727,133</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">406,872</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">50,950</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,173</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(14,255)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">492,740</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,648,246</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">401,121</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">209,344</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(149,087)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(150,417)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,959,207</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(37,462)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(151,898)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(4,124)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">57,744</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,965</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(132,775)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,610,784</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">249,223</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">205,220</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(91,343)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(147,452)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,826,432</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="6" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additional provisions</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest and
    inflation adjustment</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Use of the accrual</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">168,258</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">12,258</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">21,316</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(29,363)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(21,446)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">151,023</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">477,854</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">78,481</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">56,934</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(309,321)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(46,868)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">257,080</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95,601</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">22,485</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">13,708</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(9,248)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(23,084)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">99,462</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">57,509</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">18,216</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">7,837</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,568)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,462)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">79,532</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">349,962</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">307,352</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">131,139</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(76,884)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(57,292)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">654,277</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">331,326</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">38,632</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">48,511</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(300)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(11,297)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">406,872</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,480,510</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">477,424</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">279,445</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(426,684)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(162,449)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,648,246</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(32,017)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(55,546)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(4,779)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,832</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">41,048</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(37,462)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,448,493</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">421,878</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">274,666</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(412,852)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(121,401)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,610,784</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->138<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Lawsuits deemed as contingent liabilities</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is a party to lawsuits and administrative
proceedings relating to environmental, tax, civil, and labor claims, which are assessed as contingent liabilities in the financial statements,
since it either does not expect outflows to be required or the amount of the obligations cannot be reliably measured. Contingent liabilities,
net of deposits, are represented as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 46%; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 27%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 27%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>Parent Company</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">158,584</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">200,966</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">968,752</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,147,606</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">695,097</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,146,048</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,067,350</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,869,583</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,093,735</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,471,423</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">4,158,504</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">3,302,843</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">10,142,022</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">9,138,469</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Explanation of the nature of main classes of lawsuits</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Customer claims </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Refer mainly to lawsuits from customers claiming that
their tariffs should be equal to those of other consumer categories, lawsuits for reduction of sewage tariff due to system losses, consequently
requiring the refund of amounts charged by the Company, and lawsuits for reduction of tariff for being eligible to the Social Welfare
Entity category.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(ii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Supplier claims</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Include lawsuits filed by some suppliers alleging underpayment
of monetary adjustments and economic and financial imbalance of the agreements, and are in progress at different courts.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(iii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Other civil claims</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Refer mainly to indemnities for property damage, pain
and suffering, and loss of profits allegedly caused to third parties, such as vehicle accidents, claims, challenges on the methodology
to collect tariffs, among others, filed at different court levels.</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->139<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(iv)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Tax claims</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Tax claims refer mainly to tax collections and fines
in general challenged due to disagreements regarding notification or differences in the interpretation of legislation by the Company's
Management.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="background-color: white">The Municipality
of S&atilde;o Paulo, through Law 13,476/2022, revoked the exemption of the service tax held by the Company until then and issued tax deficiency
notices related to sewage services and ancillary activities, in the adjusted amount of R$ 1,044,035 (R$ 957,199 as of December 31, 2022),
which were subject to three tax foreclosures. SABESP filed for a writ of mandamus against the revocation, which was denied. It also filed
for provisional measures and actions for annulment, aiming at the suspension of enforceability of the credits and annulment of the tax
deficiency notices, as it understands that notwithstanding the revocation of the exemption, sewage activities and ancillary activities
are not on the list of activities that may be taxed by the Municipality. Activities related to sewage services reached a favorable outcome,
and are awaiting the processing of appeals at a higher level. Regarding the middle activities, the decision was partially favorable and
SABESP&rsquo;s appeal was denied. SABESP filed a special appeal requesting a suspensive effect, which was not admitted at the origin.
An interlocutory appeal was filed with the Superior Court of Justice, whose decision was unfavorable to the Company. The main lawsuit
remains suspended.</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(v)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Labor claims</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is a party to several labor lawsuits, involving
issues such as overtime, shift schedule, health hazard premium, hazardous duty premium, prior notice, change of function, salary equalization,
service outsourcing, and others, which are at various court levels.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(vi)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Environmental claims</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">These refer to several administrative proceedings and
lawsuits filed by government entities, including Companhia Ambiental do Estado de S&atilde;o Paulo (CETESB) and the Public Prosecution
Office of the S&atilde;o Paulo State, which aim at certain obligations to do and not to do, with the provision of fines for non-compliance,
and imposition of compensation for environmental damages allegedly caused by the Company.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The main objects in which the Company is involved are:
a) blame SABESP for discharging or releasing sewage without proper treatment; b) invest in the water and sewage treatment system of the
municipality, under penalty of paying a fine; c) pay compensation for environmental damages; amongst others.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Other concession-related claims</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is a party to concessions-related claims,
in which it challenges compensatory issues for the resumption of sanitation services by some municipalities or the right to continue operating
such services.</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amount recognized in noncurrent assets as indemnities
receivable, referring to the municipalities of Cajobi, Macatuba, &Aacute;lvares Florence, Emba&uacute;ba, Ara&ccedil;oiaba da Serra, and
Itapira totaled R$ 27,539 as of December 31, 2023 and 2022; it also recorded the full amount of estimated losses. None of the above-mentioned
municipalities are operated by the Company. When a final judgment grants a municipality the right to repossess and operate sanitation
services, Brazilian legislation provides for the payment of compensation for the investments made by the Company.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(e)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Environmental claims with executed agreements</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company entered into a court agreement in 2023, without
the need for environmental compensation.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(f)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Guarantee insurance </FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of May 25, 2023, the Company executed an agreement
effective for one year for the issue of policies under several types of guarantee insurance. The limit that can be used is R$ 600 million.
The guarantee insurance for escrow deposit is used in legal claims, where instead of immediately disbursing cash, the Company uses the
guarantee provided by the insurance until the end of these proceedings, limited to up to five years. As of December 31, 2023, R$ 364.1
million was available for use.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>21</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Labor and social obligations</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 24%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 24%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Salaries and payroll charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">69,885</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">70,089</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Provision for vacation</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">256,415</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">254,469</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Healthcare plan (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">86,147</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">70,136</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Provision for profit sharing (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">97,514</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">96,227</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Incentivized Dismissal Program - PDI (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">290,202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Consent Decree (TAC)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">6,093</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">6,114</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Knowledge Retention Program (PRC)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,184</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,469</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">807,440</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">498,504</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Healthcare plan</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Benefits granted are paid after the event, free of choice,
and are sponsored by the contributions of SABESP and the employees. In 2023, the Company contributed 9.18%, on average, of gross payroll,
totaling R$&nbsp;313,034 (8.80% in 2022, totaling R$&nbsp;272,460).</P>




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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(ii)</B></FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Provision for profit sharing</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Based on an agreement with the labor unions, the Profit
Sharing Program corresponds to up to one month&rsquo;s salary for each employee, subject to the achievement of the goals established,
from January to December, and should be paid in the subsequent year.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(iii)</B></FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Incentivized Dismissal Program - PDI</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">In June 2023, the Company implemented the Incentivized
Dismissal Program (PDI or Program) to pacifically reduce the workforce and provide gains in efficiency, increase of competitiveness, and
optimization of costs.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The deadline for registrations in the Program was from
June 01 to 30, 2023, and the employment terminations started on July 01, 2023 and will end on June 30, 2024. The PDI received registrations
from 1,862 employees.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">For all Program participants, compliance with the clauses
contained in the Collective Bargaining Agreement effective on the date of termination is guaranteed, and the following compensation incentives
will be granted:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.85pt"></TD><TD STYLE="width: 17.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">a.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">half of the indemnified advance notice,
proportional to the service time at SABESP, equivalent to the percentage of the FGTS balance for termination purposes on the date of termination
(according to the table below);</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.7pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.85pt"></TD><TD STYLE="width: 17.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">b.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">compensation incentive proportional
to the service time at SABESP based on the base salary + function bonus, for each complete year of work (according to the table below);
and</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.7pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.85pt"></TD><TD STYLE="width: 17.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">c.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">health plan: starting from the subsequent
month of termination, the health plan will be the responsibility of the policyholder and SABESP will reimburse the monthly fee up to an
individual amount of<BR>
R$ 1,878.30/month for the policyholder and his/her spouse for 24 consecutive and uninterrupted months. If the policyholder chooses a health
plan with a monthly fee lower than the reimbursable amount, he/she will not be entitled to any difference, thus not generating any credit
or balance to be offset against future installments over the course of the 24 consecutive and uninterrupted months.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.7pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 43%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Service time at
    SABESP (years)</B></P></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 26%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>% of the FGTS balance</B></P></TD>
    <TD STYLE="vertical-align: top; width: 31%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>% of the compensation
    for each complete year of work</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">&gt; 15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">20%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">20%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">11 - 15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">12.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">12.5%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">6 - 10</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">5%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">0 - 5</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">2.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">2.5%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, R$&nbsp;359,943 was recorded
due to the provision for employee compensation incentives, of which R$&nbsp;290,202 in current liabilities and R$&nbsp;66,741 in noncurrent
liabilities under &ldquo;Labor Obligations&rdquo;.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>22</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Pension plan obligations</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has Post-Employment Benefit Plans in the
following modalities: Defined Benefit (BD) &ndash; G1 (i) and G0 (ii); and Defined Contribution (CD) &ndash; Sabesprev
Mais (iii) and VIVEST (iv), whereby only the latter is open for new adhesions. See the reconciliation of expenses with such plans in item
(v).</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->142<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B><U>Defined benefit plans</U></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Summary of pension plan obligations &ndash; Liabilities</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 40%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Present value of the defined benefit obligations</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,982,863)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,098,622)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(5,081,485)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,715,388)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,002,075)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(4,717,463)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Fair value of the plan&rsquo;s assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,938,614</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,938,614</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,567,272</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,567,272</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Total pension plan obligations (deficit)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(44,249)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,098,622)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,142,871)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(148,116)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,002,075)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,150,191)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 144 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->143<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Changes in Liabilities</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 35%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Plan&rsquo;s liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Defined benefit obligation, beginning of the year</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,715,388)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,002,075)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(4,717,463)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,764,027)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,192,062)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(4,956,089)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Cost of the current service</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(41,440)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(41,440)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(35,020)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(35,020)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Interest costs</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(307,777)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(225,220)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(532,997)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(231,745)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(176,953)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(408,698)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Actuarial gains/(losses) recorded as other comprehensive income</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(120,934)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(85,372)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(206,306)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">126,626</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">161,766</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">288,392</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Benefits paid</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">202,676</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">214,045</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">416,721</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">188,778</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">205,174</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">393,952</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Defined benefit obligation, end of the year</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,982,863)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,098,622)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(5,081,485)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,715,388)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(2,002,075)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(4,717,463)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Plan&rsquo;s assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Fair value of the plan&rsquo;s assets, beginning of the year</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,567,272</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,567,272</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,634,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,634,427</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Expected return of the plan&rsquo;s assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">294,788</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">294,788</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">221,079</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">221,079</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Company&rsquo;s contributions</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">40,898</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">40,898</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">39,377</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">39,377</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Participants&rsquo; contributions</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">35,443</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">35,443</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">34,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">34,000</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Benefits paid</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(202,676)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(202,676)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(188,778)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(188,778)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Actuarial gains/(losses) recorded as other comprehensive income</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">202,889</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">202,889</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(172,833)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(172,833)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Fair value of the plan&rsquo;s assets, end of the year</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,938,614</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,938,614</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,567,272</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,567,272</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total pension plan obligations (deficit)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(44,249)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(2,098,622)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(2,142,871)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(148,116)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(2,002,075)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(2,150,191)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 145 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->144<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Changes in equity &ndash; Other comprehensive income</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">According to CPC33 (R1) and IAS19, the Company recognizes
gains/(losses) from changes in actuarial assumptions in equity, such as equity valuation adjustments, as shown below:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 40%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Actuarial gains/(losses) on the obligations</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(120,934)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(85,372)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(206,306)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">126,626</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">161,766</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">288,392</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Gain/(losses) on financial assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">202,889</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">202,889</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(172,833)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(172,833)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total gains/(losses)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">81,955</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(85,372)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(3,417)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(46,207)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">161,766</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">115,559</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Deferred income tax and social contribution </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(27,864)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(27,864)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">15,710</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">15,710</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Equity valuation adjustments</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">54,091</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">(85,372)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">(31,281)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">(30,497)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">161,766</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">131,269</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Changes in profit (loss) for the year</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 40%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Cost of services, net</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5,997</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5,997</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,020</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,020</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Interest costs</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">307,777</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">225,220</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">532,997</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">231,745</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">176,953</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">408,698</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Expected return of the plan&rsquo;s assets</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(294,788)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(294,788)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(221,079)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(221,079)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 6pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Amount received from the S&atilde;o Paulo State (undisputed)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 6pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 6pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(112,824)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 6pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(112,824)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 6pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 6pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(98,174)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 6pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(98,174)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total expenses</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">18,986</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">112,396</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">131,382</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">11,686</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">78,779</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 2.25pt double">90,465</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->145<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Maturity profile of the obligations</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 60%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2024</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">223,156</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">190,425</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2025</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">215,853</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">177,004</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2026</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">207,437</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">167,075</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2027</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">197,606</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">156,583</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2028 or subsequent years</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,138,811</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,407,535</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">2,982,863</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">2,098,622</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Duration</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">13.10</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10.44</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Actuarial assumptions used</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR>
    <TD STYLE="width: 32%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="width: 17%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 17%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 17%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 17%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Actual discount rate (NTN-B)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5.47% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5.37% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">6.19% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">6.15% p.a.</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Inflation rate</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3.90% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3.90% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5.31% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5.31% p.a.</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Nominal wage growth rate</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5.98% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5.98% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">7.42% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">7.42% p.a.</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Mortality table </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt; text-align: center">AT-2000</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt; text-align: center">(By gender)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt; text-align: center">AT-2000</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt; text-align: center">(By gender)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt; text-align: center">AT-2000</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt; text-align: center">(By gender)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt; text-align: center">AT-2000</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt; text-align: center">(By gender)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->146<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Sensitivity analysis</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The sensitivity analysis to changes in the main weighted
assumptions of the total defined pension plan obligation as of December 31, 2023, was:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Impact on the
    present value of the defined benefit obligations</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Assumption</B></P></TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Change in the
    assumption</B></P></TD>
    <TD STYLE="width: 37%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1</B></P></TD>
    <TD STYLE="width: 32%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD ROWSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Discount rate</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Increase of 1.0%</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Decrease of R$&nbsp;237,084</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Decrease of R$&nbsp;166,803</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Decrease of 1.0%</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Increase of R$&nbsp;257,540</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Increase of R$&nbsp;181,195</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD ROWSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Life expectation</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Increase of 1 year</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Increase of R$&nbsp;65,666</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Increase of R$&nbsp;87,054</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Decrease of 1 year</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Decrease of R$&nbsp;64,267</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Decrease of R$&nbsp;83,281</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD ROWSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Wage growth rate</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Increase of 1.0%</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Increase of R$&nbsp;40,556</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Increase of R$&nbsp;580</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Decrease of 1.0%</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Decrease of R$&nbsp;42,492</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid">Decrease of R$&nbsp;608</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(i)</B></TD><TD STYLE="text-align: justify"><B>G1 Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Managed by Sabesprev, this defined benefit
plan (&ldquo;G1 Plan&rdquo;), receives similar contributions established in a plan of subsidy of actuarial study of Sabesprev, as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1%"></TD><TD STYLE="width: 2%"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">0.99% of the portion of the salary of
participation up to 20 salaries; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1%"></TD><TD STYLE="width: 2%"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">8.39% of the surplus, if any, of the
portion of the salary of participation over 20 salaries.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, there were 2,715
and 8,171 active and inactive participants, respectively (2,843 and 8,089, respectively, as of December 31, 2022).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company&rsquo;s and the participants&rsquo;
contributions to the G1 Plan totaled R$ 40,898 and R$ 35,443, respectively, in 2023 (R$ 39,377 and R$ 34,000, respectively, in 2022).
Of this amount, the Company and the participants made payments referring to the actuarial deficit in the amounts of R$ 32,810 and R$ 27,147,
respectively, in 2023 (R$ 31,556 and R$ 26,168, respectively, in 2022).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 81%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt"><B>Estimated expenditures for the coming year</B></P>
    <P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 1pt"><B>&nbsp;</B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt">&nbsp;</P></TD>
    <TD STYLE="width: 19%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2024</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Cost of services, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">5,799</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Interest costs</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">274,718</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Net profitability on financial assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(274,265)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Expenditures to be recognized by the Company</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">6,252</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 148 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->147<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><B>Plan&rsquo;s assets</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The investment policies and strategies of
the plan are aimed at obtaining consistent returns and reducing the risks associated with the use of financial assets available in the
Capital Markets through diversification, considering factors, such as liquidity needs and the long-term nature of the plan&rsquo;s liability,
types and availability of financial instruments in the local and international markets, general economic conditions and forecasts, as
well as requirements of the legislation. The allocation of the plan&rsquo;s assets and its management strategies are determined with the
support of reports and analyses prepared by SABESPREV and independent financial advisors.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 35%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 27%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="width: 27%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2023</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>%</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>%</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total fixed income</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,714,823</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">92.4</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,804,550</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">70.3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total equities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,715</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">0.5</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">136,582</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">5.3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total structured investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">153,333</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">5.2</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">498,825</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">19.4</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">54,743</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1.9</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">127,315</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5.0</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Fair value of the plan&rsquo;s assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,938,614</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">100</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,567,272</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">100</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The restrictions on portfolio investments
in the case of federal government bonds are:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">instruments securitized by the National
Treasury;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">derivative instruments should be used
for hedging only.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The restrictions on portfolio investments
in the case of equities for internal management are:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">day-trade transactions;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">short selling;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">unsecured swap transactions; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">iv)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">leverage, derivative transactions that
represent leverage of the asset or short selling will not be allowed, such transactions cannot result in losses greater than the amounts
invested.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, SABESPREV had no
financial assets issued by the Company in its own portfolio; however, such assets could be in the portfolio of investment funds invested
by the Foundation. Properties held in the portfolio are not used by the Company.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">On December 21, 2022, SABESP and SABESPREV,
mutually agreed to execute an Admission of Debt Instrument, where SABESP recognizes as legitimate, valid, net, certain, and enforceable
the debt related to its share of responsibility in the balancing of the deficit of SABESPREV&rsquo;s Basic Benefits Plan (G1 Plan), collateralizing
the Contract for Revenue Binding and Assignment of Credit Transfer, executed between the parties on February 9, 2023.</P>




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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(ii)</B></TD><TD STYLE="text-align: justify"><B>G0 Plan </B></TD></TR></TABLE>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">According to State Law 4,819/1958, employees
who started providing services before May 1974 acquired a legal right to receive supplemental pension payments, which rights are referred
to as &quot;G0 Plan&quot;. The Company pays supplemental retirement and pension amounts on behalf of the S&atilde;o Paulo State and seeks
reimbursements of such amounts, which are recorded in the &ldquo;Balances with related parties&rdquo; line, limited to the amounts considered
virtually certain to be reimbursed by the S&atilde;o Paulo State.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, there were 6 and
1,808 active and inactive participants, respectively (8 and 1,750, respectively, as of December 31, 2022).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><B>Estimated expenses for the coming year</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 78%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2024</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Interest costs</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">189,274</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Expenses to be recognized</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">189,274</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(iii)</B></TD><TD STYLE="text-align: justify"><B>Sabesprev Mais Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, this Defined Contribution
Plan managed by SABESPREV had 9,277 active and assisted participants (9,365 as of December 31, 2022).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The sponsor's contributions correspond to
the result obtained by applying a percentage of 100% to the basic contribution made by the participant.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(ii)</B></TD><TD STYLE="text-align: justify"><B>VIVEST Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Administered by VIVEST, the sponsor's contributions
correspond to the result obtained by applying a percentage of 100% to the basic contribution made by the participant.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, there were 68 participants
(58 as of December 31, 2022).</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->149<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(v)</B></TD><TD STYLE="text-align: justify"><B>Reconciliation of expenditures with pension plan obligations </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="width: 42%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">G1 Plan (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">18,986</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">11,686</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">G0 Plan (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">112,396</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">78,779</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Sabesprev Mais Plan (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">27,403</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">25,371</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">VIVEST Plan (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">520</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">326</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">159,305</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">116,162</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Capitalized</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(3,303)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(3,359)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6,603</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5,684</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan obligations (Note 29)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">162,605</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">118,487</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>23</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Services payable</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This line records the balances payable, mainly from services
received from third parties, such as the supply of electric power, reading of hydrometers and delivery of water and sewage bills, cleaning,
surveillance and security services, collection, legal counsel services, audit, marketing, and advertising and consulting services, among
others. The amounts payable to the municipal governments related to transfers provided for in the concession agreements are also recorded.
The parent company&rsquo;s balances as of December 31, 2023 and 2022 were R$ 749,226 and R$ 723,242, respectively. The consolidated balance
as of December 31, 2023 was R$&nbsp;750,732.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>24</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Equity </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Share capital</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023 and 2022, the authorized and
fully subscribed and paid-in capital, totaling R$ 15,000,000, was composed of 683,509,869 registered, book-entry common shares with no
par value, as follows:</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2023</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-top: 4.8pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Number of shares</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>%</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Number of shares</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>%</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-top: 4.8pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;S&atilde;o Paulo State </FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; vertical-align: bottom; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">343,506,664</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; vertical-align: bottom; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">50.3</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">343,506,664</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">50.3</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-top: 4.8pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;Other shareholders </FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; vertical-align: bottom; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; vertical-align: bottom; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-top: 4.8pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;In Brazil <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; vertical-align: bottom; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">262,118,658</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; vertical-align: bottom; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">38.3</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">257,339,417</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">37.6</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-top: 4.8pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Abroad <SUP>(2) </SUP></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">77,884,547</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">11.4</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">82,663,788</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">12.1</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><IMG SRC="sbsdf20236k_003.jpg" ALT="" STYLE="height: 0.6pt; width: 0.6pt"></FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><IMG SRC="sbsdf20236k_003.jpg" ALT="" STYLE="height: 0.6pt; width: 0.6pt"></FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt 5.65pt; white-space: nowrap; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">100.0</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">100.0</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 11.35pt"></TD><TD STYLE="width: 22.7pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">As of December 31, 2023, the common
shares traded in Brazil were held by 39,368 shareholders. It includes six shares held by Cia Paulista de Parcerias &ndash; CPP, a company
controlled by the S&atilde;o Paulo State Government.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 11.35pt"></TD><TD STYLE="width: 22.7pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(2)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Shares traded as American Depositary
Receipts (ADR) on the New York Stock Exchange, through The Bank New York Mellon, the depositary bank of the Company&rsquo;s ADRs.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Distribution of earnings</FONT></B></P>

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Shareholders are entitled to a minimum mandatory dividend
of 25% of the net income, adjusted according to Brazilian Corporation Law. No interest is accrued on approved dividends, and the amounts
not claimed within three years from the date of the General Meeting that approved them will mature in favor of the Company.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 59%; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 21%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company
    and Consolidated</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt/110% Frutiger Light; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Net income for the year</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,523,531</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,121,267</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt/110% Frutiger Light; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(-) Legal reserve - 5%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">176,177</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">156,063</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt/110% Frutiger Light; padding-bottom: 1pt; text-align: left">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt 1pt 0in"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD>
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt 1pt 0in"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt/110% Frutiger Light; padding-bottom: 1pt; text-align: left">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,347,354</P></TD>
    <TD>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,965,204</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt/110% Frutiger Light; padding-bottom: 1pt; text-align: left">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt/110% Frutiger Light; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Minimum mandatory dividend &ndash; 25% </FONT></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">836,839</P></TD>
    <TD>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">741,301</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: left">&nbsp;</P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: left">Dividend per share</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1.22433</P></TD>
    <TD>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1.08455</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The General Shareholders' Meeting held on April 28, 2023,
approved the distribution of dividends as interest on capital totaling R$&nbsp;741,301, corresponding to minimum mandatory dividends and
R$&nbsp;130,857 as complementary minimum dividends, totaling R$&nbsp;872,158, which was paid on June 26, 2023.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company proposed, <I>ad referendum </I>of the 2024
General Shareholders&rsquo; Meeting, dividends as interest on capital totaling R$ 836,839 (R$ 741,301 in 2022) and complementary minimum
dividends in the amount of R$ 147,689 (R$ 130,857 in 2022), totaling R$ 984,528 (R$ 872,158 in 2022), corresponding to R$ 1.44040 per common share (R$ 1.2760 in 2022), to be
resolved at the General Meeting to be held on April 25, 2024. The amount of R$ 147,689 (R$ 130,857 in 2022) was reclassified in Equity
under &ldquo;Complementary minimum dividends&rdquo;, which includes withholding income tax of R$ 54,641 (R$ 53,930 in 2022).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company charged interest on capital to minimum dividends
by its net withholding income tax. The amount of R$ 54,641 (R$ 53,930 in 2022) referring to withholding income tax was recognized in current
liabilities, to comply with tax liabilities related to the credit of interest on capital.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The balance payable of interest on capital as of December
31, 2023, of R$ 837,391 (R$ 741,725 in 2022), refers to the amount of R$ 836,839 (R$ 741,301 in 2022) declared in 2023, net of withholding
income tax, and R$ 552 declared in prior years (R$ 424 in 2022).</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Legal reserve</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Profit reserve - legal reserve: created by allocating
5% of the net income for the year up to the limit of 20% of the share capital. The Company may not create the legal reserve in the year
in which the balance of this reserve, plus the amount of the capital reserves, exceeds 30% of the share capital. The purpose of the legal
reserve is to ensure the integrity of the share capital. It can only be used to offset losses or increase capital, not to pay dividends.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Investment reserve</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Profit reserve - investment reserve: specifically created
from the portion corresponding to the own resources that will be allocated to the expansion of the water supply and sewage systems, based
on a capital budget approved by Management.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023 and 2022, the balances of the
investment reserve were R$&nbsp;12,753,361 and R$&nbsp;10,390,535, respectively.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">According to paragraph four of article 49 of the Bylaws,
the Board of Directors may propose to the General Meeting that the remaining balance of the profit for the year, net legal reserve, and
minimum mandatory dividend, be allocated to the creation of an investment reserve that will meet the following criteria:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 34pt"></TD><TD STYLE="width: 14.2pt">I-</TD><TD STYLE="text-align: justify">its balance, together with the balance of the other profit reserves, except for the reserves for contingency
and unrealized profit, may not exceed the share capital; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 2pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 34pt"></TD><TD STYLE="width: 14.2pt">II-</TD><TD STYLE="text-align: justify">the purpose of the reserve is to ensure the investment plan and its balance may be used:</TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 3pt 0 3pt 56.7pt; text-align: justify; text-indent: 14.2pt">a) in the absorption
of losses, whenever necessary;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 3pt 56.7pt; text-align: justify; text-indent: 14.2pt">b) in the distribution
of dividends, at any time;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 3pt 56.7pt; text-align: justify; text-indent: 14.2pt">c) in transactions
for the redemption, refund, or purchase of shares, authorized by law; and</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 3pt 56.7pt; text-align: justify; text-indent: 14.2pt">d) in the incorporation
of the share capital.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->152<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(e)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Allocation of the profit for the year</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/105% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; text-indent: 1.7pt; border-bottom: Black 0.5pt solid"><B>Parent
    Company and Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/105% Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; text-indent: 1.7pt; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">Net income</FONT></TD>
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 8%; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; font: 10pt/105% Frutiger Light; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">(+)</FONT></TD>
    <TD STYLE="width: 69%; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; font: 10pt/105% Frutiger Light; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">Profit for the year</FONT></TD>
    <TD STYLE="width: 23%; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; font: 10pt/105% Frutiger Light; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">3,523,531</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">(-)</FONT></TD>
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">Legal reserve - 5%</FONT></TD>
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">176,177</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">(-)</FONT></TD>
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">Minimum mandatory dividends</FONT></TD>
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">836,839</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">(-)</FONT></TD>
    <TD STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">Complementary proposed dividends</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/105% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">147,689</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 10pt/105% Frutiger Light; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: left"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 105%">Investment reserve </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/105% Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">2,362,826</P></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Management will send for approval by the General Meeting
a proposal to transfer the retained earnings, totaling R$ 2,362,826 to the Investment Reserve account, to meet the investment needs provided for in the Capital Budget.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(f)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Retained earnings</FONT></B></P>

<P STYLE="font: 10pt/105% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The statutory balance of this account is zero because
all retained earnings must be allocated to a profit reserve.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(g)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Other comprehensive income</FONT></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Gains and losses arising from changes in actuarial assumptions
are accounted for as equity valuation adjustments, net of the effects of income tax and social contribution. See Note 22 for the breakdown
of the amounts recorded in 2023 and 2022.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 55%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Parent Company and Consolidated</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 16%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Balance as of December 31, 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">181,617</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(3,974)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">177,643</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Actuarial gains/(losses) of the year (Note 22)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">54,091</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(85,372)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(31,281)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Balance as of December 31, 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">235,708</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(89,346)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">146,362</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 154 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->153<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 55%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 16%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Balance as of December 31, 2021</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">212,114</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(165,740)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">46,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Actuarial gains/(losses) of the year (Note 22)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(30,497)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">161,766</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">131,269</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Balance as of December 31, 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">181,617</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(3,974)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">177,643</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>25</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Earnings per share</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Basic and diluted</B></P>

<P STYLE="font: 10pt/105% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Basic earnings per share are calculated by dividing the
equity attributable to owners by the weighted average number of outstanding common shares during the period. The Company does not have
potentially dilutive common shares outstanding or debts convertible into common shares. Accordingly, basic and diluted earnings per share
are equal.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 65%; padding-bottom: 2pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 18%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company and
    Consolidated</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Profit attributable to the Company&rsquo;s owners</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,523,531</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,121,267</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Weighted average number of common shares issued</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">683,509,869</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Basic and diluted earnings per share (reais per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">5.16</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">4.57</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/105% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 155 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->154<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>26</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Operating segment information </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company&rsquo;s Management, composed of the Board
of Directors and the Executive Board, has determined the operating segment used to make strategic decisions, such as sanitation services.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Result</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 41%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 21%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Sanitation (i)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Reconciliation to
    the income statement (ii)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Balance according
    to the financial statements</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">21,509,965</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,600,332</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,110,297</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,541,585)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,541,585)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">19,968,380</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5,600,332</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">25,568,712</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,807,995)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,474,729)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(19,282,724)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,160,385</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">125,603</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,285,988</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,925</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28,517</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,588,827)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before taxes</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,753,603</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,790,175)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,790,175)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 2.85pt 1pt; text-align: right">&nbsp;</P>


<!-- Field: Page; Sequence: 156 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->155<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 41%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 21%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Sanitation (i)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Reconciliation to
    the income statement (ii)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Balance according
    to the financial statements</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">18,629,959</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,863,752</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23,493,711</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,437,991)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,437,991)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">17,191,968</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,863,752</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">22,055,720</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(12,689,051)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(4,754,383)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(17,443,434)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,502,917</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">109,369</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,612,286</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,327</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">24,551</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(372,414)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before taxes</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,272,750</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,450,849)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,450,849)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->156<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 41%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 21%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Sanitation (i)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Reconciliation to
    the income statement (ii)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Balance according
    to the financial statements</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">21,513,442</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,600,332</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,113,774</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,541,718)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,541,718)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">19,971,724</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5,600,332</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">25,572,056</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-size: 9pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,811,665)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,474,729)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(19,286,394)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,160,059</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">125,603</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,285,662</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,925</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">32,393</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,591,996)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before taxes</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,753,984</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,790,586)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,790,586)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt">(i)</TD><TD STYLE="text-align: justify">See Note 33 for further information about non-cash items, other than depreciation and amortization that
impact segment results, and for additional information on long-lived assets.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt">(ii)</TD><TD STYLE="text-align: justify">Construction revenue and related costs are not reported to the CODM. Revenue from construction is recognized
under ICPC 01 (R1) / IFRIC 12 (Concession Agreements) and CPC 47/IFRS 15 (Revenue from Contracts with Customers), as all performance obligations
are met over time. See Note 14 (b) for further information.</TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>27</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Insurance</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has insurance that covers, among others,
fire and other damage to its assets and office buildings, and liability insurance against third parties. It also has civil liability insurance
for the members of the Board of Directors and Executive Board (&ldquo;D&amp;O insurance&rdquo;) and guarantee insurance for escrow deposit
(as described in Note 20 (f)) and traditional guarantee insurance. Insurance is contracted through bidding processes that allow for the
participation of the main Brazilian and international insurance companies operating in Brazil.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The risk assumptions adopted, given their nature, are
not within the scope of a financial statement audit, and consequently have not been examined by independent auditors contracted by the
Company.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of December 31, 2023, the Company&rsquo;s insurance
was as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 81%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 19%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Amount</B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Insured</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Specified risks &ndash; fire</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,021,021</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Engineering risks</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,368,293</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Guarantee insurance for escrow deposit and traditional guarantee (*)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">600,000</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Civil liability &ndash; D&amp;O (Directors and Officers)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">100,000</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Civil liability &ndash; construction works</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">149,610</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Civil liability &ndash; operations</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,000</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other</FONT></TD>
    <TD>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">29,342</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total</FONT></TD>
    <TD>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,283,266</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -14.2pt">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) SABESP has an agreement that allows issuing policies
that total such insured amount. Of the total, R$&nbsp;323 million in policies with guarantee insurance were issued.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->158<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>28</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Operating revenue</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Reconciliation from gross operating revenue to net
operating revenue:</B></P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -14.2pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 43%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Revenue from sanitation services (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">21,509,965</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">18,629,959</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">21,513,442</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Construction revenue</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">5,600,332</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">4,863,752</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">5,600,332</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Sales tax</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,456,998)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,363,628)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,457,125)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Regulation, Control and Oversight Fee (TRCF)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(84,587)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(74,363)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(84,593)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Net revenue</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">25,568,712</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">22,055,720</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">25,572,056</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -14.2pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; margin-bottom: 6pt; font: 10pt/110% Georgia, Times, Serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(i)</TD>
  <TD STYLE="text-align: justify; width: 97%">Includes R$&nbsp;105,682 from the TRCF charged from customers in 2023 (R$&nbsp;92,232 in 2022), from the municipalities regulated by
ARSESP.</TD></TR>
</TABLE>


<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>29</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Operating costs and expenses </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 44%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Operating costs</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,716,921)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,285,765)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,717,005)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Pension plan obligations </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(36,998)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(29,796)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(36,998)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Construction costs (Note 26)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(5,474,729)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(4,754,383)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(5,474,729)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(356,425)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(369,381)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(356,481)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(558,494)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(598,993)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(558,557)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif">&#9;Outsourced services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,842,950)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,724,347)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,843,213)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,513,377)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,497,644)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,514,542)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(967,148)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(831,503)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(967,148)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,582,782)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,259,091)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,583,193)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(16,049,824)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(14,350,903)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(16,051,866)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Selling expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(347,520)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(306,864)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(347,536)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(3,359)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(4,021)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(3,359)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(6,746)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(7,121)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(6,746)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif">&#9;Outsourced services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(439,987)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(418,632)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(439,995)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(673)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,001)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(673)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(116,934)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(107,313)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(116,933)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(68,818)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(67,015)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(68,818)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(984,037)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(911,967)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(984,060)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif">Bad debt expense, net of recoveries&#9; (Note 10 (c))</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(652,920)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(782,057)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(652,920)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif">Administrative expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(423,805)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(284,562)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(423,948)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(122,248)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(84,670)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(122,248)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(22,991)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(23,664)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(23,008)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif">&#9;Outsourced services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(287,718)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(250,293)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(287,744)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,896)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,020)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(509,981)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(548,626)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(509,984)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(138,575)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(124,743)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(138,575)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Tax expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(88,605)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(80,053)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(90,021)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,595,943)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,398,507)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,597,548)</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 161 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->160<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 44%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 43%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 19%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 19%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 19%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Operating costs and expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(3,488,246)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,877,191)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(3,488,489)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Pension plan obligations (Note 22 (v))</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(162,605)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(118,487)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(162,605)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Construction costs (Note 26)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(5,474,729)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(4,754,383)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(5,474,729)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(386,162)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(400,166)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(386,235)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(558,494)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(598,993)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(558,557)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers, Helvetica, Sans-Serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif">&#9;Outsourced services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,570,655)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,393,272)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,570,952)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,516,070)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,500,541)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,517,235)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,594,063)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,487,442)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,594,065)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,790,175)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,450,849)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(2,790,586)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Tax expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(88,605)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(80,053)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(90,021)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Bad debt expense, net of recoveries (Note 10 (c))</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(652,920)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(782,057)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(652,920)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(19,282,724)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">(17,443,434)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">(19,286,394)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->161<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>30</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial income (expenses)</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 51%; padding-top: 2.4pt; padding-right: 5pt; padding-bottom: 2.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 16%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 16%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 17%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial expenses</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt/110% Verdana, Helvetica, Sans-Serif; white-space: nowrap; padding: 2.4pt 5pt 2.4pt 7.1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges on borrowings and financing &ndash; local currency </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,110,135)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(954,744)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,110,135)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges on borrowings and financing &ndash; foreign currency </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(89,198)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(47,139)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(89,198)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other financial expenses </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(849,489)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(364,117)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(849,489)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Inflation adjustment on borrowings and financing </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(146,637)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(190,202)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(146,637)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other inflation adjustments </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(301,593)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(183,966)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(301,593)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and inflation adjustment on provisions</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(211,565)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(216,098)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(211,565)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt/110% Univers, Helvetica, Sans-Serif; white-space: nowrap; padding: 2.4pt 5pt 2.4pt 7.1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif">Total financial expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(2,708,617)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(1,956,266)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(2,708,617)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial income</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Inflation adjustment gains </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">219,541</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">541,516</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">219,473</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Income on financial investments </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">373,739</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">417,129</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">370,638</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest income </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">256,116</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">195,274</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">256,116</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Cofins and Pasep </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(40,401)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(62,405)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(40,401)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other </FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">79</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">17</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">79</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total financial income</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">809,074</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">1,091,531</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">805,905</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial income (expenses), net of exchange variation</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(1,899,543)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(864,735)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(1,902,712)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange gain (losses)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange rate changes on borrowings and financing</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">309,959</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">491,918</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">309,959</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange rate changes on assets</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">767</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">301</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">767</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other exchange rate changes</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(10)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">102</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(10)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange rate changes, net</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">310,716</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">492,321</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">310,716</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(1,588,827)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(372,414)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(1,591,996)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 163 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->162<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>31</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Other operating income (expenses),
net</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 52%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 16%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other operating income, net </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">99,307</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">64,638</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">99,307</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other operating expenses </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(71,382)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(56,311)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(71,382)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">27,925</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">8,327</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">27,925</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Other operating income includes revenue from the sale
of property, plant, and equipment, contracts awarded in public bids, right to sell electricity, indemnities and reimbursement of expenses,
fines and guarantees, property leases, reuse water, PURA projects and services, net of Cofins and Pasep.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Other operating expenses usually record the derecognition
of concessions assets due to obsolescence, discontinued construction works, unproductive wells, projects considered economically unfeasible,
losses on property, plant, and equipment, estimated losses, and operational assets indemnification.</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>32</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Commitments</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has agreements to manage and maintain its
activities, as well as to build new projects aiming at achieving the objectives proposed in its target plan. The main unrecognized committed
amounts as of December 31, 2023, are as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; width: 35%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>1 year</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>1-3 years</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>3-5 years</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center"><B>More than</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center"><B>5 years</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Contractual obligations &ndash; Expenses </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,810,947</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,119,426</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,460,088</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,680,110</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">8,070,571</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Contractual obligations - Investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,292,490</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,967,844</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,292,130</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">92,893</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,645,357</P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">6,103,437</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,087,270</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,752,218</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,773,003</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">16,715,928</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>33</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Supplemental cash flow information</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Parent Company</B></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Consolidated</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; width: 45%; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 19%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total additions to contract assets (Note 14)</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6,026,053</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5,240,528</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6,026,053</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total additions to intangible assets (Note 15 (b))</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">110,473</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">75,400</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">258,473</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Items not affecting cash (see breakdown </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">below</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,293,201)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,765,391)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,293,201)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total additions to intangible and contract assets according to the statement of cash flows</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,843,325</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,550,537</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,991,325</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Investments and financing operations affecting intangible assets but not cash:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest capitalized in the year (Note 14 (a))</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">638,208</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">622,803</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">638,208</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Contractors payable</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">419,457</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">414,645</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">419,457</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Performance agreements</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,001,528</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">576,392</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,001,528</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Right of use </FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">108,405</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">42,182</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">108,405</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Construction margin (Note 26)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">125,603</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">109,369</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">125,603</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,293,201</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,765,391</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,293,201</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>34</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Events after the reporting period</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>31st issue debentures</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 05, 2024, the Company raised R$ 2.94 billion
from the 31st issue of simple, unsecured debentures, not convertible into shares, in three series, for public distribution, under the
automatic distribution procedure aimed at professional investors, according to CVM Resolution 160, with the following characteristics:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 16%; border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 21%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%"><B>Value</B></FONT></TD>
    <TD STYLE="width: 35%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%"><B>Rate</B></FONT></TD>
    <TD STYLE="width: 28%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%"><B>Maturity</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">Series 1</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">507,000</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">CDI + 0.49% p.a.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">2029</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">Series 2</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">1,734,467</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">CDI + 1.10% p.a.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">2031</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">Series 3</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">699,011</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">CDI + 1.31% p.a.</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">2034</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%"><B>2,940,478</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 165 -->
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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The covenants agreed upon for the 31st
issue are: </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">Calculated every quarter, when disclosing
the quarterly information or annual financial statements:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Net debt/adjusted EBITDA lower than or
equal to 3.50;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Adjusted EBITDA/financial expenses equal
to or higher than 1.5;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">Failure to comply with the financial indices
above for at least two consecutive quarters, or for two non-consecutive quarters within twelve months (in which case the 30-day cure period
does not apply), constitutes a default event that may lead to the early maturity of the Debentures.- Disposal of operating assets, termination
of licenses, loss of concession, or loss of the Company&rsquo;s ability to execute and operate public sanitation services in areas of
the S&atilde;o Paulo State which, individually or jointly during the term of the agreement, lead to a reduction of the Company&rsquo;s
net sales and/or service revenue of more than twenty- five percent (25%). The above limit will be calculated every quarter, taking into
consideration the Company&rsquo;s net operating income during the twelve (12) months before the end of each quarter and using the financial
information disclosed by the Company. Failure to comply with the limit above constitutes a default event that may lead to the early maturity
of the Debentures.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">The contract has a cross acceleration clause,
i.e. the early maturity of any of the Company&rsquo;s debts, in an individual or aggregate amount equal to or higher than R$ 198 million,
adjusted by the IPCA inflation index as of the issue date, constitutes a default event and may result in the early maturity of the Debentures.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The proceeds from the issue will be used to refinance
financial commitments falling due in 2024 and to recompose and reinforce the cash position. The Debentures are characterized as &ldquo;ESG
bonds for the use of sustainable and blue resources&rdquo;, based on the Company&rsquo;s commitment to allocate the equivalent amount
in projects described in the Sustainable Finance Framework.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Agreement with AAPS - Association
of Retirees and Pensioners of SABESP</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: justify">The health plans for retirees, former employees,
pensioners, and dependents (Digna Mais 1, 2, 3, 4, and 5) comply with Federal Law 9,656/98.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: justify">Under articles 30 and 31 of said Law, as well as
Regulatory Resolution 279 and subsequent regulations by the National Health Agency, beneficiaries who join these plans are responsible
for full cost coverage (monthly premiums and any deficits). Through an amendment to the Adhesion Agreement maintained with VIVEST, SABESP
acts as a guarantor to the Health Operator.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: justify">Until December 31, 2023, in this guarantor role,
the Company recognized debit notes received to cover deficits totaling R$ 47.5 million. The deficits in these portfolios result from a
structural imbalance between the fee tables and the profile of the population, leading to expenses exceeding revenues. After this payment,
SABESP initiated the collection process from the beneficiaries, resulting in accounts receivable of equal value and the recognition of
a loss due to bad debt expenses for the entire amount.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: justify">This collection process triggered negotiations
with the Association of Retirees and Pensioners of SABESP (AAPS), which resulted in the signing of a judicial agreement on January 31,
2024 (ratified by the judiciary on February 27, 2024), which includes:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 35.4pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">a)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Settlement of each beneficiary's deficit
by SABESP;</FONT></TD></TR></TABLE>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Notes to financial statements</B></P><P STYLE="font: 11pt Georgia, Times, Serif; margin: 0; text-align: left"><B>Years ended December 31, 2023 and 2022</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.75pt solid; text-align: left"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 35.4pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">b)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Migration of beneficiaries to VIVEST's
Ess&ecirc;ncia Health Plans or other market plans derived from the Digna Mais plans; </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 35.4pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">c)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Withdrawal, by AAPS, of a Lawsuit for
Compliance with Ruling 0056668-84.2020.8.26.0100, which sought to merge active and retired individuals into a single plan, potentially
leading to a post-employment liability and an expected loss as of December 31, 2022, of R$ 303.9 million. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: justify">As part of the negotiation, VIVEST indicated a
potential imbalance in the Ess&ecirc;ncia plans with the migration of retirees, former employees, pensioners, and dependents, resulting
from adverse risk selection. Given this scenario, SABESP, to enable the settlement of the Digna Mais plans, entered into a new amendment
to the Adhesion Agreement with VIVEST, which includes:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 35.4pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">a)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">VIVEST will allow migrations to the
Ess&ecirc;ncia plans, assuming the portfolio risk;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 35.4pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">b)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">SABESP will make a one-time contribution
to VIVEST for each person who migrates to one of its Ess&ecirc;ncia plans, subject to approval by the judiciary (as occurred on February
27, 2024), with contributions as follows:</FONT></TD></TR></TABLE>

<P STYLE="font: 12pt/110% Georgia, Times, Serif; margin: 0 0 6pt 53.4pt"><FONT STYLE="font-size: 9pt">b.1) </FONT><FONT STYLE="font-size: 10pt">R$
10.0 million, paid in a lump sum in February 2024, based on the 2,909 beneficiaries migrated from Digna Mais plans to Ess&ecirc;ncia plans;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 53.4pt">b.2) Amount corresponding to the number of beneficiaries who
join Ess&ecirc;ncia plans, capped at R$ 160.0 million (1,754 beneficiaries enrolled in Digna Mais plans as of March 2023), from January
2024 onwards.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: justify">This monthly per capita amount will be paid from
the entry date of each beneficiary or from January 2024, whichever occurs later, until December 2028, with financial support to mitigate
the impacts of annual cost variations to be applied from January 2025 to January 2029 to Ess&ecirc;ncia plans. After the effective payment
of all installments, including the last one for December 2028, the Company will be exempt from any payments to VIVEST. The above amounts
will be annually adjusted, with a reference date in January, according to the annual adjustment index of the Ess&ecirc;ncia plans.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: justify">Until December 31, 2023, before the agreement,
there were migrations of 131 beneficiaries, and from January 01 to March 14, 2024, the migrations came to 766 beneficiaries as a result
of the agreement, a known impact of R$ 90.2 million in the provision to be recorded in the 1st quarter of 2024.</P>



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<P STYLE="font: 10pt/110% Frutiger Light; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Executive Officers&rsquo; Statement on the Financial
Statements </B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>STATEMENT</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Executive Officers of Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - SABESP, with Corporate Taxpayers&rsquo; ID (CNPJ/MF) number 43.776.517/0001-80, headquartered at Rua Costa
Carvalho, n&ordm; 300, Pinheiros, S&atilde;o Paulo, declare that, according to paragraph 1 of article 27, item VI of CVM Resolution 80,
of March 29, 2022, that:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">They reviewed, discussed, and agreed with the financial
statements for the year ended December 31, 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">S&atilde;o Paulo, March 21, 2024.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo &ndash; SABESP</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Andr&eacute; Gustavo Salcedo Teixeira Mendes</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">CEO</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Catia Cristina Teixeira Pereira</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Chief Economic, Financial, and Investor Relations Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Sabrina de Menezes Correa Furstenau Sabino</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">People and Corporate Management Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Paula Alessandra Bonin Costa Violante</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Engineering and Innovation Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Roberval Tavares de Souza</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Operation and Maintenance Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Bruno Magalh&atilde;es D&rsquo;Abadia</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Regulation and New Businesses Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Caio Marcelo de Medeiros Melo</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Customers Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify"><B>Executive Officers&rsquo; Statement on the Report of Independent
Registered Public Accounting Firm</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>STATEMENT</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Executive Officers of Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - SABESP, with Corporate Taxpayers&rsquo; ID (CNPJ/MF) number 43.776.517/0001-80, headquartered at Rua Costa
Carvalho, n&ordm; 300, Pinheiros, S&atilde;o Paulo, declare that, according to paragraph 1 of article 27, item V of CVM Resolution 80,
of March 29, 2022, that:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">They reviewed, discussed, and agreed with the Report
of Independent Registered Public Accounting Firm on the financial statements for the year ended December 31, 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">S&atilde;o Paulo, March 21, 2024.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo &ndash; SABESP</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Andr&eacute; Gustavo Salcedo Teixeira Mendes</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">CEO</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Catia Cristina Teixeira Pereira</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Chief Economic, Financial, and Investor Relations Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Sabrina de Menezes Correa Furstenau Sabino</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">People and Corporate Management Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Paula Alessandra Bonin Costa Violante</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Engineering and Innovation Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Roberval Tavares de Souza</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Operation and Maintenance Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Bruno Magalh&atilde;es D&rsquo;Abadia</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Regulation and New Businesses Officer</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Caio Marcelo de Medeiros Melo</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Customers Officer</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: center"><B><U>FISCAL COUNCIL&rsquo;S REPORT</U></B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 8.35pt 0 0; text-align: justify">All members of the Fiscal Council of <B>COMPANHIA
DE SANEAMENTO B&Aacute;SICO DO ESTADO DE S&Atilde;O PAULO &ndash; SABESP</B>, undersigned hereinbelow, within their duties and legal responsibilities,
analyzed the Financial Statements, the Annual Management Report, and the Management Proposal for the Allocation of Income, for the fiscal
year ended December 31, 2023 and, based on analysis conducted by Management and the Audit Committee, also considering the unqualified
Report of Independent Registered Public Accounting Firm BDO RCS Auditores Independentes dated March 21, 2024, declare that the aforementioned
documents are in a condition to be analyzed by the Annual Shareholders&rsquo; Meeting.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 8.35pt 0 0; text-align: justify">S&atilde;o Paulo, March 21, 2024.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">ANDR&Eacute; ISPER RODRIGUES BARNAB&Eacute;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">EDUARDO ALEX BARBIN BARBOSA</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 8.35pt 0 0; text-align: justify">HUMBERTO MACEDO PUCCINELLI</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 8.35pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 8.35pt 0 0; text-align: justify">NAT&Aacute;LIA RESENDE ANDRADE &Aacute;VILA</P>

<P STYLE="font: 10pt/149% Georgia, Times, Serif; margin: 1.15pt 12.05pt 0 6.95pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: center"><B>SUMMARIZED ANNUAL REPORT OF THE STATUTORY AUDIT
COMMITTEE - 2023</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">To the Board of Directors of</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">1.</FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">PRESENTATION</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">The Statutory Audit Committee (Committee) of
Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo &ndash; SABESP is a body created at the Board of Directors&rsquo;
Meeting of June 26, 2006, and is composed of three independent members of the Board of Directors. Under the U.S. Securities and Exchange
Commission (SEC), the Committee performs its duty as SABESP&rsquo;s Audit Committee, according to the provisions of the Sarbanes-Oxley
Act<I>.</I></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">The Committee reports to the Board of Directors
and acts independently in the performance of its duties, working as an auxiliary and advisory body, without decision-making power or executive
responsibilities. The Committee&rsquo;s duties and responsibilities are performed in compliance with the applicable legal, statutory,
and regulatory attributions. The Committee is responsible for reviewing and monitoring, within its capacity of supervising, the preparation
processes and the publication of financial and audit reports.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">The Committee&rsquo;s assessments are based
on information received from Management, independent auditors, internal audit, those in charge of risk management and internal controls,
and its own analyses resulting from its oversight and monitoring duties.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">At the Annual and Extraordinary Shareholders&rsquo;
Meeting held on April 28, 2023, Messrs. Eduardo Person Pardini, Mario Engler Pinto Junior, and Karolina Fons&ecirc;ca Lima were elected
as Independent members of the Board of Directors and members of the Statutory Audit Committee, and Mr. Eduardo Person Pardini was appointed
as the Coordinator and Financial Specialist, under paragraph four of article 26 of the Company&rsquo;s Bylaws.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">2.</FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">ACTIVITIES PERFORMED IN THE PERIOD</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">From March 23, 2023 to March 21, 2024, the Committee
held 25 formal meetings with the executive officers, supervisors, managers, other employees, internal auditors, independent auditors,
and occasional guests. It is worth noting that of these meetings, three were held together with the Fiscal Council.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">The main activities performed by the Committee were:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Review, approval, and supervision of
the Internal Audit&rsquo;s work annual plan;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Monitoring the provisions and legal
contingencies;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Monitoring the corporate risk management;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Monitoring compliance activities;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Assessment and monitoring of Internal
Controls efficacy;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Whistleblowing Channel: Monitoring verifications
and complaints;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Oversight of the independent auditors&rsquo;
performance;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Monitoring of the Ethics Committee&rsquo;s
activities;</FONT></TD></TR></TABLE>


<!-- Field: Page; Sequence: 171 -->
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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P><!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Monitoring of implementation of action
plans, deriving from recommendations of Internal Audit and Independent Auditors;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Identification and recommendation on
process improvement, during discussions with several areas involved, as well as the monitoring of these recommendations&rsquo; implementations;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Review of the Sustainability Report;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Monitoring the preparation process of
financial statements; </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Review of the Quarterly Information
(ITR), Annual Management Report, Financial Statements, Reference Form, 20-F Form, and Report on the Brazilian Corporate Governance Code;
and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Assessment and monitoring of the adequacy
of Related-party Transactions.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Monitoring of Sabesp&rsquo;s Privatization
process; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Monthly monitoring of the corporate
budget.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">Furthermore, the Committee invited representatives
from various areas to monitor the following items: (i) Accounts receivable; (ii) cash flow evolution; (iii) works of the Permanent Commission
for the Evaluation of Amounts Involved in Environmental Contingencies; (iv) Performance of the private pension plans under the management
of SABESPREV; (v) Commercial System; (vi) Information Security; (vii) Special Purpose Entities &ndash; SPEs (related parties); among others.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">Additionally, the Committee members, the Company&rsquo;s
Management, and the Internal and Independent Audit made conference calls or calls via other means of communication to discuss specific
aspects related to the Committee&rsquo;s responsibilities.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">3.</FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">RECOMMENDATIONS TO IMPROVE BUSINESS PROCESSES</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">At the meetings held in the aforementioned periods
with managers of the Company&rsquo;s areas, several recommendations were given for improvement actions in control processes and business
management. The pending issues and related replies to the proposed actions are duly recorded in the minutes. The Committee periodically
monitors the implementation of these improvements and the adjustments suggested.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">4.</FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">ASSESSMENT OF THE EFFECTIVENESS OF INTERNAL CONTROL SYSTEMS</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">The methodology adopted by SABESP to analyze
the internal controls complies with the Internal Control - Integrated Framework, defined by The Committee of Sponsoring Organizations
of the Treadway Commission (COSO) and the Sarbanes-Oxley Act.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">SABESP&rsquo;s Management is liable for designing
and implementing internal control policies, processes, and practices to enable the safeguarding of assets, the appropriate recognition
of liabilities, the adhesion to the rules, integrity and accuracy of information.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">The Internal Audit is liable for assessing the
level of service or observance by all SABESP&rsquo;s areas, internal control procedures, and practices and if they have been effectively
applied.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">The Audit Committee supervised the activities
related to the implementation and evaluation of internal controls through presentations by the areas responsible for controls and the
findings reported by the Internal and Independent Auditors.</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Georgia; text-align: center">&nbsp;F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->171<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P><!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">5.</FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">ASSESSMENT OF THE EFFECTIVENESS OF INTERNAL AND INDEPENDENT AUDITS</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify"><FONT STYLE="background-color: white">The Committee
also maintains a regular channel of communication with internal and independent auditors, allowing a broad discussion on their work results,
the accounting aspects, and relevant internal controls, and as a result, it assesses as fully satisfactory the volume and the quality
of the information provided by these professionals, who support their opinion on the adequacy and integrity of internal controls systems
and the financial statements.</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify"><FONT STYLE="background-color: white">The Committee
monitored the activities carried out by Internal and Independent Auditors, whether through periodic meetings, or review of reports issued.
Accordingly, the Committee positively assesses the coverage and the quality of works performed by Internal and Independent Auditors, concerning
the financial statements for the fiscal year ended December 31, 2023.</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">During the performance of works, the Committee
did not identify any situation that could affect the objectivity and independence of Grant Thornton and BDO RCS Auditores Independentes
concerning SABESP. Therefore, according to the Audit Committee&rsquo;s Charter, the Committee informs the Board of Directors that it is
not aware of any type of relationship between Grant Thornton and BDO RCS regarding SABESP that may have affected its independence in performing
the independent audit of the financial statements for the fiscal year ended December 31, 2023.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">Additionally, the Committee did not identify
any significant divergence between Sabesp&rsquo;s Management, BDO RCS, and the Audit Committee regarding Sabesp&rsquo;s 2023 Financial
Statements.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">6.</FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">INTERNAL AUDIT&rsquo;S STRUCTURE ADEQUACY AND BUDGET</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">The Audit Committee assessed the structure and budget
of the Internal Audit, which were considered appropriate for the performance of its activities. Such assessment was performed under article
23 of the Novo Mercado Regulation.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">7.</FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">EVALUATION OF THE QUALITY OF THE FINANCIAL STATEMENTS</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">Management is responsible for defining and implementing
the information systems that produce Sabesp&rsquo;s financial statements, under Brazilian Corporation Law, accounting practices, standards
issued by the Brazilian Securities Exchange Commission (CVM), and International Financial Reporting Standards (IFRS), issued by the International
Accounting Standards Board (IASB), and, for being listed on the New York Stock Exchange (NYSE), compliance with the standards issued by
the U.S. Securities and Exchange Commission - SEC, and the Sarbanes-Oxley Act.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">The Committee held meetings on several occasions
with those in charge of the accounting department to analyze the procedures, which involved the process of drawing up the financial statements
for the fiscal year ended December 31, 2023, as well as the respective quarterly information.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">Finally, it discussed with independent auditors the
results of works and their conclusions on the auditing of the referred financial statements, whose report is unqualified. The main issues
discussed also referred to the accounting practices adopted in Brazil, as well as recommendations and other notes on internal controls
and the presentation of the financial statements.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">The Committee verified that the financial statements
are appropriate concerning the accounting practices and Brazilian Corporation Law, as well as the standards issued by the Brazilian Securities
and Exchange Commission (CVM) and International Financial Reporting Standards (IFRS), issued by the International Accounting Standards
Board (IASB), and the standards issued by SEC and the Sarbanes-Oxley Act.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center"><P STYLE="text-align: left; font: 13pt Georgia, Times, Serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></P><P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P><P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P><!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/110% Times New Roman, Times, Serif; margin: 6pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 12pt/110% Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">8.</FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">CONCLUSIONS </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 6pt 0; text-align: justify">The Committee&rsquo;s opinions and judgments rely
on information provided by Sabesp, especially from Management, the Accounting and Legal Superintendencies, Audit, Compliance and Risk
Management, and other oversight boards, in addition to the Independent Auditors. The Committee considers that all relevant issues it took
cognizance of were fairly reported in the Financial Statements for the year ended December 31, 2023, accompanied by the Unqualified Independent
Auditor&rsquo;s Report. Therefore, the Committee advises the Board of Directors to approve the aforementioned audited Financial Statements.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">S&atilde;o Paulo, March 21, 2024.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 35%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0"><B>Eduardo Person Pardini</B></P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0"><I>Coordinator</I></P></TD>
    <TD STYLE="width: 33%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0"><B>Karolina Fons&ecirc;ca Lima</B></P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0"><I>Member</I></P></TD>
    <TD STYLE="width: 32%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0"><B>Mario Engler Pinto Junior</B></P>
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0"><I>Member</I></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0pt 0 12pt; text-align: justify">&nbsp;</P>


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<P></P>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B><U></U></B></FONT>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B><U>SIGNATURE&nbsp;</U></B></FONT><FONT size=1>&nbsp;</FONT></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=justify><FONT color=#000000 size=3 face="Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the city S&#227;o Paulo, Brazil. <BR></FONT></DIV>

<DIV align=justify><FONT color=#000000 size=3 face="Times New Roman">Date:&nbsp;June 7, 2024</FONT></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=center>

<TABLE style="WIDTH: 70%" cellSpacing=0 cellPadding=0>



<TR>

   <TD vAlign=top width="50%" colSpan=3>

   <DIV align=left><FONT color=#000000 size=3 face="Times New Roman"><B>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo - SABESP </B></FONT></DIV></TD></TR>

<TR>

   <TD height=16></TD>

   <TD height=16></TD>

   <TD height=16></TD></TR>

<TR>

   <TD vAlign=top align=left><FONT color=#000000 size=2 face="Times New Roman">By:</FONT></TD>

   <TD vAlign=bottom align=left>/s/&nbsp;&nbsp;<FONT style="FONT-FAMILY: times new roman" size=3>Catia Cristina Teixeira Pereira</FONT>&nbsp;&nbsp;&nbsp;&nbsp;

   <HR align=left color=#000000 SIZE=1 noShade>

</TD>

   <TD></TD></TR>

<TR>

   <TD><FONT size=1>&nbsp;</FONT></TD>

   <TD vAlign=bottom width="53%" align=center>

   <DIV align=left><FONT color=#000000 size=2 face="Times New Roman">Name: Catia Cristina Teixeira Pereira </FONT></DIV>

   <DIV align=left><FONT color=#000000 size=2 face="Times New Roman">Title: Chief Financial Officer and Investor Relations Officer </FONT></DIV></TD>

   <TD></TD></TR></TABLE></DIV>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

<P>&nbsp;</P>

<DIV><FONT size=1></FONT>&nbsp;</DIV>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>FORWARD-LOOKING STATEMENTS </B></FONT></DIV>

<P align=justify><FONT size=2 face="'Times New Roman, Times, Serif'">This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations. </FONT></P>

<HR align=left color=#000000 SIZE=2 noShade>

</DIV>

<P></P>

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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
