<SEC-DOCUMENT>0001292814-23-001520.txt : 20230413
<SEC-HEADER>0001292814-23-001520.hdr.sgml : 20230413
<ACCEPTANCE-DATETIME>20230413123547
ACCESSION NUMBER:		0001292814-23-001520
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20221231
FILED AS OF DATE:		20230413
DATE AS OF CHANGE:		20230413

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]
		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:		23817723

	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>sbsfs4q22_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><FONT color=#000000 size=2 face="Times New Roman"><B>For&nbsp;April, 2023</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,serif; margin: 0"><B>&nbsp;</B></P>

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

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

<P STYLE="font: 13pt Georgia,serif; margin: 0; text-align: justify"><B>December 31, 2022 and 2021</B></P>

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

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

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  <TR>
    <TD COLSPAN="4" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Table of Contents - 2022 Financial Statements</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Independent Auditor&#8217;s Report on the Financial Statements</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Management Report</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Statements of Financial Position&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-39</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Income Statements</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-41</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Statements of Comprehensive Income</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-42</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Statements of Changes in Equity&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-43</FONT></TD></TR>
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    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Statements of Cash Flows&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-44</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Value Added Statements&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-46</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Notes to the Financial Statements&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-47</FONT></TD></TR>
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    <TD STYLE="width: 6%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 7%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>1. </I></FONT></TD>
    <TD STYLE="width: 78%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Operations</I></FONT></TD>
    <TD STYLE="width: 9%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>2. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Basis of preparation and presentation of the financial statements</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>3. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Summary of significant accounting policies</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>4. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Changes in accounting practices and disclosures</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>5. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Risk management</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>6. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Key accounting estimates and judgments</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>7. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Cash and cash equivalents</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>8. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Financial investments</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>9. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Restricted cash</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>10. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Trade receivables</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>11.</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Related-party balances and transactions</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>12. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Investments</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>13. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Investment properties</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>14.</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Contract asset</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>15. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Intangible assets</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
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    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>16. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Property, plant and equipment</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>17. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Borrowings and financing</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>18. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Taxes and contributions</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>19. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Deferred taxes and contributions</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>20. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Provisions</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>21. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Labor and pension plan obligations</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>22. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Pension plan obligations</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>23.</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Services payable</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>24. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Equity</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>25. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Earnings per share</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>26. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Business segment information</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>27. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Insurance</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>28. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Operating income</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>29. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Operating costs and expenses</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>30. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Financial income and expenses</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>31. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Other operating income (expenses), net</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>32. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Commitments</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>33. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Supplemental cash flow information</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>34. </I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><I>Events after the reporting period</I></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-top: 2pt; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Executive Officers&#8217; Statement</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-148</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Fiscal Council&#8217;s Report</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-150</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Summarized Annual Report of the Audit Committee</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F-151</FONT></TD></TR>
  </TABLE>

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<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

<P STYLE="font: 16pt Georgia,serif; margin: 0"><B>Independent Auditor&#8217;s Report on the Financial Statements </B></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-indent: -0.5pt">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-indent: -0.5pt">&nbsp;</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0">To the Shareholders, Board of Directors and Management of</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo &#8211; SABESP</B></P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0">S&atilde;o Paulo &#8211; SP</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify; color: #4F2D7F">Opinion</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify">We have audited the financial statements of Companhia
de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo &#8211; SABESP (&#8220;Company&#8221;), which comprise the balance sheet as
of December 31, 2022, and the related statement of profit and loss, comprehensive income, changes in equity and cash flows for the year
then ended, and notes to the financial statements, including a summary of the significant accounting policies.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify">In our opinion, the financial statements present fairly,
in all material respects, the equity and financial position of Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP
as of December 31, 2022, its financial performance and cash flows for the year then ended, in accordance with the accounting practices
adopted in Brazil and the International Financial Reporting Standards (IFRS) issued by the International Accounting Standards Board (IASB).</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify; color: #4F2D7F">Basis for opinion</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; 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 &#8220;Auditors&#8217;
responsibilities for the audit of the financial statements&#8221; section of our report&#8221;.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">We are independent of the Company, in accordance with the
relevant ethical requirements set forth in the Code of Ethics for Professional Accountants and the professional standards issued by the
Federal Accounting Council, and we have fulfilled our other ethical responsibilities in accordance with these requirements. We believe
that the audit evidence we have obtained is sufficient and appropriate to provide a basis for our audit opinion.</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify; color: #4F2D7F">Key Audit Matters</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Key audit matters (KAM) are those matters that, in our judgment,
were of most significance in our audit of the financial statements for the current period. These matters were addressed in the context
of our audit of the financial statements taken as a whole, and in forming our opinion on financial statements, and, therefore, we do not
provide a separate opinion on these matters.</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify; color: #4F2D7F">1. Contract assets and intangible assets
&#8211; Recognition of cost in the period (Notes 3.7, 3.9, 6.2 (b), 14 and 15)</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify; color: #4F2D7F"><B>Why the matter was determined to be a
KAM</B></P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">The Company records expenditures from concession agreements
as intangible assets and contract assets. Concession agreements represent the right to explore infrastructure, based on the accounting
interpretation ICPC 01 (R1) - Service Concession Agreements (IFRIC 12), which provides for the obligation of building and/or operating
the infrastructure (intangible asset or concession agreement asset) to provide public services on behalf of the granting authority, under
the conditions defined in the agreement.</P>


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<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">The addition of expenditures to these lines in 2022 impacted
the calculation of the construction cost and, consequently, in determining the construction revenue. The measurement of such expenditures
is also affected by subjective elements due to the diverse nature of the expenses capitalized as part of the concession infrastructure,
as well as of the level of judgement in determining the intangible assets and contract assets. Accordingly, we identified the capitalization
of expenditures in the concession agreement asset and intangible assets as a critical area in our audit approach.</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify; color: #4F2D7F">How the matter was addressed in the audit
of the financial statements</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Our audit procedures included, among others:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Evaluation of the design and operational effectiveness
of the internal controls implemented by management for new infrastructure additions and management of the concession agreements.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Evaluation of the classification criteria of
expenditures as concession agreement asset and intangible assets, including those related to the percentage of completion method.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Testing of the additions of the concession agreement
asset and intangible assets to assess the nature of the expenditures and the correct classification.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Assess the nature of expenditures capitalized
as concession agreement asset and their applicability to the criteria defined by the concession agreement and the accounting standards
in effect.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Assess the transfers of assets under construction
classified as contract asset for the operation (intangible assets).</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Recalculation and analysis of rates for capitalized
interest and recalculation of the construction margin.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Analysis of the consistency of the disclosures
required in the notes to the financial statements.</FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Based on the procedures performed, we believe that the criteria
used by the Company to capitalize expenditures to contract and intangible assets are reasonable, and the information presented in the
financial statements is consistent with that analyzed in our audit procedures in the context of the financial statements.</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify; color: #4F2D7F">2. Provisions for environmental risks
(Notes 3.15, 6.2 (e) and 20)</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify; color: #4F2D7F"><B>Why the matter was determined to be a
KAM</B></P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">The Company is a defendant in judicial and administrative
environmental lawsuits, arising from the normal course of its operations, related to fines applied by public and competent authorities
on potential environmental damage caused by the Company in the municipalities where it operates. This area requires critical judgments
and evaluations made by the management, supported by its legal counsel, in determining the estimates related to the recognition of liabilities,
measurement of involved amounts, evaluation of the likelihood of loss in the various disputes and appropriate disclosure of existing lawsuits
and litigations (contingent liabilities), in view of their relevance in relation to the financial statements.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">The environmental claims classified as probable loss and
subject to provision recorded in the financial statements amounted to approximately R$ 407 million as of December 31, 2022. Contingent
environmental liabilities, therefore, not subject to recognition of provision according to the accounting practices adopted in Brazil,
came to approximately R$ 3 billion as of December 31, 2022.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Certain laws and regulations in Brazil have high level of
complexity and, therefore, the measurement, recognition, classification, and disclosure related to such lawsuits require a certain level
of judgment by the Company&#8217;s management for the recognition of loss estimates and disclosures in its financial statements and, for
this reason, we consider this issue to be a critical area in our audit approach.</P>


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<P STYLE="font: 9pt Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/12pt Arial,sans-serif; margin: 0 0 6pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify; color: #4F2D7F">How the matter was addressed in the audit
of the financial statements</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Our audit procedures included, among others:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Evaluation of the design and operational effectiveness
of the internal controls implemented by management for identification, measurement, and disclosure of the amounts of the environmental
lawsuits.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Evaluation and challenges of the criteria and
assumptions used in its measurement methodology, considering historical data and information, as well as the evaluation of the confirmations
received from the Company&#8217;s legal counsel.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Discussions and meetings with the Company&#8217;s
internal legal advisors to address the processes, controls, procedures, and measurement processes regarding the forecast of the environmental
claims.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Evaluation of the disclosures made in the financial
statements regarding the adherence to the applicable rules and the provision of information on the nature, exposure and amounts accrued
or disclosed related to the environmental claims in which the Company is a party.</FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Based on our audit approach and on the procedures performed
and evidence obtained, we understand that the criteria and assumptions adopted by the Company to record the provisions for environmental
claims and related disclosures are appropriate in the context of the financial statements.</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify; color: #4F2D7F">Other matters</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify; color: #4F2D7F"><B>Statements of value added</B></P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">The statements of value added (&#8220;DVA&#8221;) for the
year ended December 31, 2022, prepared under the responsibility of the Company&#8217;s management and presented as supplemental information
for IFRS purposes, have been submitted to auditing procedures performed in conjunction with our audit of the Company&#8217;s financial
statements. In forming our opinion, we evaluated if these statements are reconciled to the financial statements and accounting records,
as applicable, and if its form and content are in accordance with the criteria defined in NBTCG 09 &#8211; Statement of Value Added. In
our opinion, these statements of value added were appropriately prepared, in all material respects, according to the criteria defined
in the technical pronouncement and are consistent with the financial statements taken as a whole.</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify; color: #4F2D7F">Other information accompanying the financial
statements and the auditor&#8217;s report</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">The Company&#8217;s management is responsible for this other
information that is included in the Management Report. Our opinion on the financial statements does not cover the Management Report and
we do not express any form of assurance thereon.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">In connection with our audit of the financial statements,
our responsibility is to read the Management Report and, doing so, consider whether the report is materially inconsistent with the financial
statements, or our knowledge obtained during the audit, or otherwise appears to be materially misstated. If we conclude, based on the
work we have performed, that there is a material misstatement in the Management Report, we are required to report this fact. We have nothing
to report in this regard.</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify; color: #4F2D7F">Responsibility of management and those
charged with governance for the financial statements</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Management is responsible for the preparation and fair presentation
of the financial statements in accordance with the accounting practices adopted in Brazil and with International Financial Reporting Standards
(IFRS), issued by the International Accounting Standards Board (IASB), and for such internal controls management determines is necessary
to enable the preparation of financial statements that are free from material misstatement, whether due to fraud or error.</P>


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<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">In preparing the financial statements, management is responsible
for assessing the Company&#8217;s ability to continue as 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 or to cease operations, or has no
realistic alternative to avoid doing so.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Those charged with governance are responsible for overseeing
the financial reporting process in preparing the financial statements.</P>

<P STYLE="font: 12pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify; color: #4F2D7F">Auditor&#8217;s responsibility for the
audit of the financial statements</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Our objectives are to obtain reasonable assurance about
whether the financial statements taken as a whole are free from material misstatement, whether due to fraud or error, and to issue an
auditor&#8217;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 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, could reasonably be expected
to influence the economic decisions of users taken on the basis of these financial statements.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">As part of an audit in accordance with Brazilian and International
Standards on auditing, we exercise professional judgment and maintain professional skepticism throughout the audit. In addition we:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Identified and assessed the risk of material
misstatement of the financial statements, whether due to fraud or error, designed and performed 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 override of internal control, collusion,
forgery, intentional omissions, or misrepresentations.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Obtained an understanding of internal control
relevant to the audit 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&#8217;s internal control.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Evaluated the appropriateness of accounting policies
used and the reasonableness of accounting estimates and related disclosures made by management.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Concluded on the appropriateness of management&#8217;s
use of the going concern basis of accounting and, based on the audit evidence obtained, whether a material uncertainty exists related
to events or conditions that may cast significant doubt on the Company&#8217;s ability to continue as a going concern. If we conclude
that a material uncertainty exists, we are required to draw attention in our auditor&#8217;s report to the related disclosures in the
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&#8217;s report. However, future events or conditions may cause the Company to cease to continue as a going
concern.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Evaluated the overall presentation, structure,
and content of the financial statements, including the disclosures, and whether the 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/12pt Arial,sans-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: Symbol; font-size: 9pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Obtained sufficient and appropriate audit evidence
regarding the financial information of the entities or business activities within the Group to express an opinion on the financial statements.
We are responsible for the direction, supervision and performance of the group audit and consequently, for the audit opinion.</FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; 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 control that we may have identified during our audit.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 6pt; text-align: justify">We also provide those charged with governance with a statement
that we have complied with relevant ethical requirements, including those 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: 9pt/12pt Georgia,serif; margin: 0 0 16pt; text-align: justify">From the matters communicated with those charged with governance,
we determine those matters that were of most significance in the audit of the financial statements for the current year and are, therefore,
the key audit matters.</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 16pt; text-align: justify">We describe these matters in our auditor&#8217;s report
unless a 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: 9pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify">S&atilde;o Paulo, March 23, 2023</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 16pt 0 6pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0; text-align: justify">Grant Thornton Auditores Independentes Ltda.</P>

<P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: justify">CRC 2SP-025.583/O-1</P>

<P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0; text-align: justify">Elica Daniela da Silva Martins</P>

<P STYLE="font: 9pt/12pt Georgia,serif; margin: 0 0 16pt; text-align: justify">Accountant CRC 1SP-223.766/O-0</P>

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


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<P STYLE="font: 14pt/115% Calibri,sans-serif; margin: 0; text-align: justify"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo - SABESP</B></P>

<P STYLE="font: 14pt/115% Calibri,sans-serif; margin: 0"><B>2022 Management Report</B></P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0 0 12pt; text-indent: 301.4pt">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify; color: #4472C4"><B>&nbsp;</B></P>

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

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify; color: #4472C4"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">Sabesp&#8217;s purpose is its concern with people and the environment.
Health does not exist without water and treated sewage. We are recognized as a company of excellence with a history of success and growth,
as well as for facing major crises. In 2022, we invested R$ 5.4 billion, maintaining the historical level of around 30% of all investments
made in water and sewage to Brazilian public and private companies.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">The priorities of the recently-started management are customers;
regulatory management; efficiency; innovation; environment; and new businesses.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">Bringing universalization to all of our 375 municipalities, including
people who live in communities and irregular settlements is our great challenge. We need an even more efficient company, more modern and
innovative, and, most importantly, we need to be closer to people.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">Our major highlight for 2022 was the New Pinheiros River. An
emblematic socio-environmental transformation initiative that innovated in the management of performance agreements and engineering solutions
to advance in informal urban centers of complex intervention and high vulnerability.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">Extremely successful experiences like that should drive the design
of new projects and the acceleration of universalization goals, such as the challenges we will face with the Tiet&ecirc; River cleaning
project.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">At a time when the sector is undergoing deep transformations,
all of our potentials must be leveraged toward growth and efficiency gains. The more integrated structure provides opportunities to improve
strategic planning, prioritize investments, and standardize the best practices and processes at the Company, such as the Centralized Services
Center (CSC) project.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">Innovation and environmental, social, and corporate governance
actions and indicators will consist of transversal initiatives, as well as the smarter use of the large amount of data held by the company.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">In this increasingly competitive scenario, the evolution of the
business under the concept of the circular economy for the reuse of inputs from our activities consists of joint</P>


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<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">opportunities that must be permanently pursued. The shared management
of solid waste and the exploration of the energy potential of the operational complex make up the range of alternatives to be taken into
consideration.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">More than growing in a solid, innovative, and sustainable manner,
the expansion on these fronts reinforces our contribution to the fight against the ever-increasing climate change.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">In the regulatory scope, the timely adaptations to the requirements
of the New Basic Sanitation Framework (Federal Law 14,026/2020) allowed us to progress with confidence in meeting contractual goals and
accelerating universalization. We are currently reinforcing the company&#8217;s regulatory structure to meet the demands of the granting
authority and the regulatory agency.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">With stakeholder communication driven by transparency and clarity,
the resources available must be better used. We must be increasingly aware of and responsible for the social role of our activities for
the benefit of people and the environment.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify">We have a duty to society and, together, we will deliver increased
quality of life and dignity to the entire population.</P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify"><B>Andr&eacute; Salcedo, CEO </B></P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify; color: #4472C4"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify; color: #4472C4"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify; color: #4472C4"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify; color: #4472C4"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Calibri,sans-serif; margin: 0; text-align: justify; color: #4472C4"><B>&nbsp;</B></P>


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<P STYLE="font: 22pt Calibri,sans-serif; margin: 0; text-align: justify; color: #4472C4"><B>&nbsp;</B></P>

<P STYLE="font: 18pt/107% Calibri,sans-serif; margin: 12pt 0; color: #2F5496"><B>SABESP IN FIGURES </B></P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">375 MUNICIPALITIES directly served with water and
sewage services</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">28.0 MILION CUSTOMERS supplied with water</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">10.1 MILLION WATER CONNECTIONS</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">8.6 MILLION SEWAGE CONNECTIONS</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">OPERATIONAL PRODUCTIVITY of 1,522 connections per
employee</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Water LOSS REDUCTION of 3 LITERS PER CONNECTION PER
DAY</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">5 PHOTOVOLTAIC ENERGY PLANTS, totaling 6 MW of generation</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">30% of the INVESTMENTS go to SANITATION IN BRAZIL
(SNIS 2021)</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">R$ 3.1 BILLION in PROFIT</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">R$ 22.1 BILLION of NET OPERATING REVENUE</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">EBITDA of R$ 7.1 BILLION</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">R$ 57.2 BILLION in ASSETS</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">R$ 39.1 BILLION in MARKET CAP</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">20 YEARS listing shares on B3&#8217;s NOVO MERCADO
SEGMENT and NYSE</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify; color: #262626">22nd ANEFAC TRANSPARENCY AWARD</P>


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

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The year 2022 was marked by the control of the Covid-19
pandemic in Brazil and the gradual economic recovery with the trade, industry, and public sectors returning to normal operating levels
and requiring more services from the Company.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Because of that, sanitation revenues grew, with the
ratio between residential and non-residential customers getting closer to the profile seen before the pandemic, and the application of
a 12.80% tariff adjustment established by the regulatory authority.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">On the other hand, from the cost view, the Company
faced a very challenging scenario. Despite the inflation&#8217;s downward trend over the year, contractual adjustments linked to price
indexes put pressure on costs.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The international economic scenario with the outbreak
of the war in Ukraine and the worsening of Covid-19 in China led to uncertainties and instabilities in global production chains, resulting
in a new wave of inflation.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">It is also worth noting the electricity costs that
started the year under a water scarcity flag because of below-average long-term rainfall in 2020/2021 and early 2022. However, in mid-2022,
the improved level of generation companies&#8217; reservoirs put an end to the red flag and, at the end of the year, the enactment of
Complementary Law 194/22, reduced ICMS rates on electricity, contributing to easing pressure on contracted prices.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Despite the reopening of the economy, the economic
situation of families has not yet recovered. In 2022, the impoverishment of the population and default levels remained high in the economy
as a whole, also impacting the Company. Internally, default levels improved compared to the most intense periods of the pandemic, but
have not yet returned to previous levels. The number of families registered in Cad&Uacute;nico increased. This new reality, together with
technical aspects addressed by the Company to the regulatory authority, led to the opening of a Public Consultation for an Extraordinary
Tariff Revision to recover the economic and financial balance.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The investments approved for the 2023 to 2027 period,
totaling R$ 26.2 billion, keep Sabesp among the companies that invest the most in sanitation in Brazil. The Company continues with its
strategy to boost investments focused on expanding sewage treatment networks without neglecting investments in water required to maintain
the supply already universalized to the population, in line with the New Basic Sanitation Framework.</P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">According to Federal Decree 10,710 of 2021, the S&atilde;o
Paulo State Utility Services Regulatory Agency (Arsesp) attested for Sabesp&#8217;s economic-financial capacity to meet the goals established
by the New Legal Sanitation Framework. We also formalized amendments to adjust/include the respective universalization goals for contracts
lacking them.</P>

<P STYLE="font: 11pt/107% Calibri,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 may be
adopted</P>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">by sub-national regulatory agencies after the respective
adhesion. The Company&#8217;s contracts are exclusively governed by Arsesp.</P>

<P STYLE="font: 11pt/107% Calibri,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 discussions on regulatory
standards that impact its business. Among the topics on the regulatory agenda, in November 2022, ANA opened Public Consultation 008/2022
on the Reference Standard that will address the methodology to indemnify assets for the water and sewage segments, for which Sabesp presented
its contributions. ANA has not yet reached a final decision on the matter.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Regarding the Company&#8217;s tariffs, compensatory
adjustments are expected for the 2021-2024 cycle, due to the achievement - or not - of the projected required revenue, as well as possible
adjustments in other variables (revenue risk limitation &plusmn; 2.5%).</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In May 2022, the tariff adjustment of 12.8019% resolved
by Arsesp came into effect. Given the need for adjustments for 2021 and 2022, because of the failure to achieve the authorized required
revenue, Sabesp submitted requests for clarifications to Arsesp. In response, in December 2022, Arsesp started the Extraordinary Tariff
Revision (RTE) and opened Public Consultation 14/2022, for which Sabesp presented its contributions. The final result of the RTE will
be disclosed in April 2023.<BR STYLE="clear: both">
</P>


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

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">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,sans-serif; margin: 0 0 8pt; text-align: justify">It is currently one of the largest sanitation companies
in Brazil, directly operating in 375 municipalities of the S&atilde;o Paulo State, serving a population of approximately 28.0 million
people. In the municipalities of S&atilde;o Caetano do Sul (SP) and Mogi das Cruzes (SP), it supplies treated water on a wholesale basis
and provides sewage treatment services.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Company is headquartered in S&atilde;o Paulo and
operates in the Metropolitan Region of S&atilde;o Paulo, the largest metropolitan region of Brazil, with around 21.4 million people.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">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.</P>


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

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

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0 0.75pt 0 0; text-align: justify">Sanitation services are divided mainly into water
supply and sewage services. In 2022, Sabesp served its customers through 10.1 million water connections and 8.6 million sewage connections
and billed 2,177.6 million m<SUP>3</SUP> of water and 1,904.6 million m<SUP>3</SUP> of sewage.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="background-color: #0070C0">
    <TD COLSPAN="10" STYLE="border: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white"><B>Water and sewage billed volume <SUP>(1)</SUP> per customer category &#8211; million m<SUP>3</SUP></B></FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">Water</FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">Sewage</FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">Water + Sewage</FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="width: 19%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt">&nbsp;</TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2021</FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">%</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2021</FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">%</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2021</FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">%</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Residential</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,869.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,884.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">(0.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,631.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,629.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">0.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">3,500.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">3,514.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">(0.4)</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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Commercial</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">182.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">169.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">7.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">175.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">159.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">10.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">358.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">328.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">8.9</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Industrial</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">34.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">34.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">0.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">37.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">35.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">5.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">72.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">70.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">3.1</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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Public</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">43.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">35.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">21.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">38.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">31.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">23.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">82.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">67.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">22.7</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Total retail</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2,129.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2,124.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>0.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1,884.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1,856.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>4,013.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>3,980.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>0.8</B></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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Wholesale <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">47.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">49.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">(3.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">20.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">15.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">29.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">68.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">65.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">4.3</FONT></TD></TR>
  <TR STYLE="background-color: #D9E2F3">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Total </B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2,177.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2,173.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>0.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1,904.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1,871.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>4,082.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>4,045.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>0.9</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Calibri,sans-serif; margin: 0 0.75pt 0 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="background-color: #0070C0">
    <TD COLSPAN="10" STYLE="border: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white"><B>Water and sewage billed volume <SUP>(1)</SUP> per region &#8211; million m<SUP>3</SUP></B></FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">Water</FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">Sewage</FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">Water + Sewage</FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="width: 19%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt">&nbsp;</TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2021</FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">%</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2021</FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">%</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2022</FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">2021</FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white">%</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Metropolitan</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,430.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,440.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">(0.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,263.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,255.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">0.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">2,694.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">2,696.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">(0.1)</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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Regional <SUP>(2)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">698.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">683.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">2.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">620.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">600.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">3.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,319.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">1,283.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">2.8</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Total retail</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2,129.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2,124.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>0.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1,884.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1,856.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>4,013.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>3,980.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>0.8</B></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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Wholesale <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">47.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">49.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">(3.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">20.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">15.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">29.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">68.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">65.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">4.3</FONT></TD></TR>
  <TR STYLE="background-color: #D9E2F3">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-indent: 1.1pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Total </B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2,177.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2,173.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>0.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1,904.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1,871.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>1.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>4,082.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>4,045.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; text-indent: 0.05pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>0.9</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Calibri,sans-serif; margin: 0 0.75pt 0 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Arial,sans-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: Calibri,sans-serif; font-size: 8pt">(1)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Unaudited by external auditors;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Arial,sans-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: Calibri,sans-serif; font-size: 8pt">(2)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">Including coastal and interior regions;
and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/107% Arial,sans-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: Calibri,sans-serif; font-size: 8pt">(3)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Calibri,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,sans-serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; 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>


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<P STYLE="font: 11pt Calibri,sans-serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/107% Arial,sans-serif; margin: 0 0 8pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">In 2022, the Company invested R$ 5.4 billion, as
follows:</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0; text-align: justify; text-indent: 5.5in">R$ million</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="background-color: #0070C0">
    <TD STYLE="width: 56%; border: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%; text-indent: 14.2pt">&nbsp;</TD>
    <TD STYLE="width: 16%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white; line-height: 107%"><B>Water</B></FONT></TD>
    <TD STYLE="width: 14%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white; line-height: 107%"><B>Sewage</B></FONT></TD>
    <TD STYLE="width: 14%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white; line-height: 107%"><B>Total</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%"><B>Metropolitan Region of S&atilde;o Paulo</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%">1,484.7 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%">2,439.7 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%">3,924.4</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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%"><B>Regional Systems (interior and coastal areas)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%">680.9 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%">784.3 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%">1,465.2</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%; text-indent: 1.85pt"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%"><B>2,165.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%"><B>3,224.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 107%"><B>5,389.6</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0; text-align: justify">Between 2023 and 2027, the Company plans to invest approximately
R$ 26.2 billion, R$ 8.9 billion of which in water supply and R$ 17.3 billion in sewage collection and treatment:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD COLSPAN="7" STYLE="padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: #2E74B5">R$ million</FONT></TD></TR>
  <TR STYLE="background-color: #0070C0">
    <TD STYLE="width: 36%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>2023 </B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>2024 </B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>2025 </B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>2026 </B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>2027 </B></FONT></TD>
    <TD STYLE="width: 14%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>&nbsp;Total&nbsp;&nbsp;</B></FONT></TD></TR>
  <TR STYLE="background-color: #DBE5F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Water Supply </B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">1,986</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">1,843</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">1,907</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">1,540</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">1,656</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">8,932</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: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Sewage Collection</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">2,388</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">2,394</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">2,566</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">2,712</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">2,380</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">12,440</FONT></TD></TR>
  <TR STYLE="background-color: #DBE5F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Sewage Treatment </B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">644</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">714</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">1,084</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">1,183</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">1,217</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt">4,842</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: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>5,018</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>4,951</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>5,557</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>5,435</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>5,253</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt 12pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white"><B>26,214</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Company&#8217;s operating performance is monitored
by indicators that mainly consider Brazilian and international macroeconomic conditions, inflation and interest rates, availability of
funds in Brazil and abroad to finance the sector, climate conditions, populational growth, obtaining of necessary environmental permits,
and regulatory environment.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="background-color: #4472C4">
    <TD STYLE="border: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; color: white"><B>Achieved</B></FONT></TD>
    <TD COLSPAN="6" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; color: white"><B>Goals</B></FONT></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="width: 52%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2022</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2022</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2023</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2024</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2025</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2026</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; border-right: black 1pt solid; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>2027</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Water Supply (%)<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">94</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">95</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">95</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">95</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">96</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">96</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">96</FONT></TD></TR>
  <TR STYLE="background-color: #DBE5F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Sewage Collection (%)<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">85</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">86</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">86</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">87</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">88</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">89</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">89</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Water Supply Coverage (%)<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">98</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">98</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">98</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">98</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">99</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">99</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">99</FONT></TD></TR>
  <TR STYLE="background-color: #DBE5F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Sewage Collection Coverage (%)<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">92</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">93</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">93</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">94</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">95</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">95</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">95</FONT></TD></TR>
  </TABLE>

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<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="width: 52%; border: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>Households Connected to Sewage Treatment (%)<SUP>(1) (2)</SUP></B></FONT></TD>
    <TD STYLE="width: 12%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">83</FONT></TD>
    <TD STYLE="width: 6%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">82</FONT></TD>
    <TD STYLE="width: 6%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">87</FONT></TD>
    <TD STYLE="width: 6%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">88</FONT></TD>
    <TD STYLE="width: 6%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">88</FONT></TD>
    <TD STYLE="width: 6%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">89</FONT></TD>
    <TD STYLE="width: 6%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">89</FONT></TD></TR>
  <TR STYLE="background-color: #DBE5F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>New Water Connections (thousand)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">183.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">192</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">190</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">190</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">190</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">190</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">190</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>New Sewage Connections (thousand)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">226.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">220</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">230</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">230</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">230</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">230</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">230</FONT></TD></TR>
  <TR STYLE="background-color: #DBE5F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B>IPDt (liters/connection/day)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">249</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">250</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">248</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">245</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">245</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">244</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 4.25pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">244</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify"><B>&nbsp;</B></P>

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

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

<P STYLE="font: 8pt/107% Calibri,sans-serif; margin: 0 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,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>


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<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; color: red">&nbsp;</P>

<P STYLE="font: 12pt/107% Arial,sans-serif; margin: 0 0 8pt">&nbsp;</P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Sabesp supplies a population of around 28.0 million
people through a distribution network of 91.6 thousand km, bringing water treated in its 237 treatment stations to consumers in 375 municipalities
of the S&atilde;o Paulo State.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In 2022, Sabesp produced 2,857.9 million m&sup3; of
water, with the services coverage rate reaching 98% and the service rate totaling 94% in the area operated.</P>

<P STYLE="font: 11pt/107% Calibri,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 conscient 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,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&#8217;s low water availability, which is considered critical.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To address this problem, Sabesp makes use of the <B>Metropolitan
Water Program</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, which were updated after the 2014-2015 water crisis.</P>

<P STYLE="font: 11pt/107% Calibri,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&#8217; supply system,
serves the MRSP. The total capacity of the water sources available for treatment in the area is 82.7 m&sup3;/s and the maximum capacity
granted is 80.7 m&sup3;/s. In 2022, the average monthly production of water to serve the MRSP was 61.6 m&sup3;/s. The water storage rate
reached 53% at the end of 2022, compared to 38.2%, in 2021. The increased resilience of SIM together with the awareness for more rational
consumption habits, especially after the 2014-2015 water crisis, mitigated the pressure on springs and other sources. In 2022, consumption
averaged 117 liters/inhabitant/day in the residential category in the MRSP. This rate is 14.7% lower than the 135 liters/inhabitant/day
recorded in the average of 2013, before the crisis.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Water sources are permanently managed at the Control
Centers, which have a Decision Support System that collects real-time data through sensors installed in strategic places. This set of
data 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,sans-serif; margin: 0 0 8pt; text-align: justify">Outside the MRSP, the areas operated by Sabesp manage
water resources in different manners. In the interior, supply suffers less pressure because of the existence of different sources of supply,
which include 1,232 wells to collect water and lower population. In municipalities facing a more critical situation, we are implementing
treatment stations and dams that should ensure water security for the coming decades.</P>

<P STYLE="font: 11pt/107% Calibri,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 overloads the system with high</P>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">consumption peaks in summer periods. 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, and we continue focusing on storing water
to regularize supply in consumption peaks during summer.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Furthermore, to reduce the volume of treated water
that escapes from distribution networks before reaching customers, the <B>Corporate Program on Loss Reduction </B>focuses on the renewal
of networks and branches and the implementation of pressure control valves in defined regions, making it easier to identify any problems.
The networks are also scanned using technology to identify leaks and water theft and manage nighttime demand, which consists of lowering
water pressure in the distribution network at night when demand is lower.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Real losses, which correspond to pipeline leaks, totaled
19.1% in 2022. Commercial losses (water consumed but not accounted for), caused by frauds, failures in the commercial registry, and under-measurement
of water meters, accounted for 9.7% in the year. The sum of these two indicators results in total losses, which came to 28.8% in 2022.</P>

<P STYLE="font: 11pt/107% Calibri,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. Reuse water reached around
12.2 million m&sup3; in 2022 in the S&atilde;o Miguel Paulista, Jesus Netto, and Parque Novo Mundo Sewage Treatment Stations (STS), and
Aquapolo.</P>

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

<P STYLE="font: 11pt/107% Calibri,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,sans-serif; margin: 0 0 8pt; text-align: justify">The quality of water treated and distributed is inspected
by the Sanitary Surveillance Center of the S&atilde;o Paulo State and monitored by the Company through samples analyzed in our laboratories
every week or every month. This process includes around 70 thousand monthly analyses that measure turbidity, color, chlorine, and total
coliforms, among more than 90 other parameters that are analyzed in our 16 regional health control laboratories, accredited with ISO 17.025
and certified by INMETRO. We also have laboratories located inside the stations.</P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; 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 581 STSs, which, in 2022, ensured the sewage collection
coverage rate of 92%, sewage service rate of 85%, and that 83% of the units were connected to the sewage treatment service, resulting
in approximately 24.7 million people served.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; 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>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In the Metropolitan Region of S&atilde;o Paulo, the
most complex in terms of expansion of the health 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 Calibri,sans-serif; margin: 0; text-align: justify; background-color: white">Until 2022, the Company invested US$3.5
billion in the project, which led to growths of 85% in the rate of sewage collected and treated in 2022, and more than 90% in the coverage
rate of households connected to the collection network in the same period.&nbsp;&nbsp;</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; text-align: justify; background-color: white; color: #242424">&nbsp;</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; text-align: justify; background-color: white">The <B>New Pinheiros River Program,</B>&nbsp;an
expansion of the Tiet&ecirc; Project, ended in 2022 with more than 650 thousand properties connected to the sewage treatment system, representing
approximately 2 million more people with sewage services in the cities of S&atilde;o Paulo, Tabo&atilde;o da Serra, and Embu das Artes
since 2019. This result translates into a cleaner and livelier river that was reintroduced to the city of S&atilde;o Paulo.</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; text-align: justify; background-color: white; color: #242424">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri,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 maintained 161 streams in the S&atilde;o
Paulo capital, benefitting more than 3.6 million people. In 2022, four streams were cleaned.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In the coastal area of the S&atilde;o Paulo State,
the Company maintains the <B>Onda Limpa Program</B>, the largest environmental health program on the Brazilian coast focused on the expansion
of the sewage collection and treatment infrastructure in the metropolitan region of the Santos and North coastal regions. 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.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In the Santos coastal region, the program is in its
second stage and the investments made increased the sewage collection coverage rate from 53% to 85%, while the treatment rate of sewage
collected came to 100%.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The third stage of the Onda Limpa Program on the Santos
coastal region will be implemented between 2026 and 2033 and aims to achieve the rates established by the New Sanitation Framework. In
the North coastal region, the program started in 2019 to intensify investments in sanitation in the four municipalities of the region,
namely Caraguatatuba, S&atilde;o Sebasti&atilde;o, Ubatuba, and Ilhabela.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; 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: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Sabesp&#8217;s investments and efforts to improve
the quality of services and expand the sewage collection and treatment structure can be seen, for instance, by the presence of municipalities
operated by the Company in Instituto Trata Brasil&#8217;s 2022 Sanitation Ranking. Out of the 20 best cities in the country, five are
served by Sabesp.</P>

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

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


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<P STYLE="font: 14pt/107% Calibri,sans-serif; margin: 0 0 8pt; color: #4472C4"><B>Relationship with Customers</B></P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">With a shared and closer look at consumer needs, we
seek to prioritize and include the main expectations in our strategic decisions to maximize the benefits of the services offered and improve
our customers&#8217; experience and satisfaction.</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 14pt 0; text-align: justify; background-color: white">In 2022, we consolidated the use
of a new commercial platform that integrates and incorporates new technologies such as Analytics, AI, IoT, Omnichannel, and RPA, among
others. The new technology ensured continued improvement to processes, better customer experience, and enabled the management of analytic
information to focus on user satisfaction and service quality.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In addition to our network of 407 branches, we have
24-hour service digital channels, the Sabesp Mobile app, WhatsApp Sabesp, Chat Bot, a mobile service with vans parked in different locations
to facilitate customers&#8217; lives, and the Ombudsman Channel, which is responsible for accepting, analyzing, and solving dissatisfactions
and difficulties not solved by the other channels. Over 2022, the Ombudsman Channel received more than 126.3 thousand reports, 99% of
which were solved.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In July 2022, we implemented the new cloud-based service
platform that provides more stability for the relationship with Sabesp&#8217;s customers, in addition to supporting the new Omnichannel
(simultaneous and interconnected use of different communication channels) management tools and channels.</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; text-align: justify; background-color: white">In 2022, the Customer Satisfaction Survey
showed an approval rate of 83%, maintaining the average of more than 80% recorded in the last few years.</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; text-align: justify; background-color: white">&nbsp;</P>

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

<P STYLE="font: 11pt Calibri,sans-serif; margin: 12pt 0; text-align: justify">In 2022, we made progress in structuring innovation within
the Open Innovation concept, which is based on the identification of technological requirements and the building of innovative solutions
by sharing knowledge within Sabesp and between the company and the market. We advanced to the testing phase with the implementation of
innovation cells in some business units to further capillarity and employee participation.</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 12pt 0; text-align: justify">A platform to connect Sabesp with the productive sectors
of the market, including startups and universities, is being implemented to share demands, get ideas, and develop technological solutions,
and it may also be used for specific public calls. The platform will have an interface dedicated to the internal public, who will be able
to contribute with their ideas, as well as innovative solutions generated by the needs of everyday life, encouraging creativity, knowledge,
and participation of employees from the various areas of the Company.</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 12pt 0; text-align: justify">A significant part of the projects focused on innovation
is possible through the execution of cooperation agreements. Within this context, through a partnership with FAPESP (S&atilde;o Paulo
State Research Support Foundation), under the scope 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.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Company has been making efforts to leverage innovative
projects aimed at the circular economy, a management model that aims at optimizing the recovery of resources in processes, in</P>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">compliance with ESG principles, such as the use of biomethane
for vehicular use and agricultural application of sludge, among others. The contracting of specific studies for the systemic replication
in other six large STSs of the successful model implemented in Franca, which integrates the liquid, solid, and gaseous phases of the sewage
treatment, is being prepared for a bidding process.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Furthermore, the Company invested in partnerships
with the private sector, diversifying and expanding its operation through three Special Purpose Entities (&#8220;SPEs&#8221;) to take
advantage of the synergies among sanitation-related processes. The acquisition of an equity interest in FOXX URE Barueri for the creation
of the first power generation plant based on incineration of solid urban waste in Brazil; the creation of Cantareira SP Energia S.A.,
aimed at photovoltaic energy generation; and the creation of Infra Next for the construction of a cold asphalt production plant. These
are important steps toward diversification and the expansion of environmental services.<BR STYLE="clear: both">
</P>


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<P STYLE="font: 18pt/107% Calibri,sans-serif; margin: 12pt 0 0; color: #2F5496"><B>PEOPLE MANAGEMENT </B></P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">At the end of 2022, our staff totaled 12,299 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 9,905 men (80.5%) and 2,394 women (19.5%).</P>

<P STYLE="font: 11pt/107% Calibri,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,sans-serif; margin: 0 0 8pt; text-align: justify">All employees annually undergo an Evaluation of Skills
and Results that lead to the creation of the Individual Development Plan. Between 2019 and 2022, around 13.8 thousand employees were promoted
as a result of this process.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Company annually establishes the Profit-Sharing
Program (PPR) to encourage employees to achieve the organization&#8217;s goals. PPR 2022 used the Company&#8217;s total and sectorial
performance indicators for 2021, and 93.2%, on average, of the goals, were achieved.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To encourage the training and development of its employees,
Sabesp has three main fronts, namely Leaders Development Program, the Corporate University, which aims to train and develop employees
through virtual courses, and the More Knowledge Program, which offers educational subsidies for professional certification exams, high
school technical courses, under-graduate and graduate certificates, university extension courses, and language courses to increase employees&#8217;
education and qualification. In 2022, 1,152 grants were awarded, with investments of more than R$ 5.2 million.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 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 this context, in 2022, we intensified the Diversity and Inclusion Journey
to create a Diversity and Inclusion Policy and indicators at Sabesp. We started the journey with awareness-raising lectures and carried
out the Diversity and Inclusion Maturity Diagnosis, which indicated a favorable environment for the continuation of the Journey and the
proposal of social commitments and affirmative actions.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Sabesp restrains prejudice related to origin, race,
gender, color, sexual orientation, age, religious belief, or any other form of discrimination. In 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 or discrimination.</P>

<P STYLE="font: 11pt/107% Calibri,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 Harassment Verification Committee tends to suggest to the area of origin the implementation of an Action Plan to guide, sensitize,
and raise awareness among employees.</P>


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<P STYLE="font: 11pt/107% Calibri,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,sans-serif; margin: 0 0 8pt; text-align: justify">In May 2022, Sabesp and the Unions signed the 2022/2023
Collective Bargaining Agreement, valid until April 2023. The clauses of the previous agreement were maintained and a salary and benefit
adjustment of 12.26% (IPC/FIPE accumulated from May 2021 to April 2022) was applied. The turnover rate stood at 1.8% in 2022.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The transformation process of the Company&#8217;s
Organizational Culture, aimed at strengthening innovation and focus on results, continued progressing through engagement and identification
of opportunities and initiatives for change. The new cultural mapping performed in 2022 indicated perceptive progress in the culture maturity.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">At Sabesp, caring for employees&#8217; safety and
health is an essential factor to increase productivity and service quality, achieve better results, and promote their well-being.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">For this reason, we have an Occupational Health and
Safety Management System that follows the rules established in the Regulatory Standards of the Ministry of Labor and Social Security,
with elements based on ISO 45001 &#8211; Occupational Health and Safety Management System.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Despite continuous efforts, 153 occupational accidents
occurred in 2022, with a frequency rate of 8.8 accidents per million man-hours worked and a severity rate of 169 accidents per million
man-hours worked. The absenteeism rate stood at 2.6% in 2022.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Seeking to improve the practices to prevent accidents
and diseases, the Company is developing the Safety Culture Project, which includes a complete diagnosis of the adherence to Occupational
Health and Safety practices, with the development of a transformation plan to achieve significant improvement in the management and cultural
development of Occupational Health and Safety practices.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">At the same time, based on data from an Organizational
Climate Survey, we identified a positive ratio between the amount of feedback received by employees from their superiors and the favorability
of the work environment. In this sense, we encourage the increase of that practice to create a culture of feedback among the Company&#8217;s
different organizational levels, improving relationships.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">According to the Organizational Climate Survey, we
obtained a favorability rate of 72%, which led the Company to win, for the second time, the Good Company to Work For seal, granted by
the GPTW &#8211; Great Place to Work&reg;.</P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt">&nbsp;</P>


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

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">In 2022, the Company reported a net income of R$
3.1 billion, compared to the R$ 2.3 billion recorded in 2021, an increase of R$ 815.4 million, or 35.4%.</P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0 0 12pt; text-align: center; text-indent: 14.2pt"><IMG SRC="sbsfs4q226k_001.jpg" ALT=""></P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">The net operating revenue (which includes construction
revenue) totaled R$ 22.1 billion, an increase of 13.2% over 2021.</P>


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<P STYLE="font: 11pt Calibri,sans-serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0 0 12pt; text-align: center; text-indent: 14.2pt"><IMG SRC="sbsfs4q226k_002.jpg" ALT=""></P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">The gross operating revenue from sanitation services,
which excludes construction revenue, totaled R$ 18.6 million in 2022, an increase of R$ 2.3 million (+14.3%) over the R$ 16.3 billion
recorded in 2021.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">The main factors responsible for the gross operating
income increase were the 12.8% tariff adjustment applied since May 2022; a 0.9% increase in total billed volume; and a higher average
tariff due to higher volume billed in the non-residential categories.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">Construction revenue increased by R$ 487.1 million
(+11.1%) over 2021, due to higher investments made.</P>


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<P STYLE="font: 11pt Calibri,sans-serif; margin: 0">&nbsp;</P>


<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0 0 12pt; text-align: center"><IMG SRC="sbsfs4q226k_003.jpg" ALT=""></P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0 0 12pt; text-align: justify"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 115%">In
2022, general costs, administrative and selling expenses, and construction costs increased by 13.3% (R$ 2.1 billion). Excluding construction
costs, the increase was 14.2% (R$ 1.6 </FONT>billion<FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 115%">).
</FONT></P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">The share of administrative and selling expenses
and construction costs as a percentage of net revenue was 79.1% in 2022, compared to the 79.0% recorded in 2021. For more information
on the breakdown and changes in costs and expenses, see the Results Press Release, available on the Company&#8217;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,sans-serif; margin: 0 0 12pt; text-align: justify">Adjusted EBITDA increased by 11.2%, from R$ 6,372.7
million in 2021 to R$ 7,087.7 million in 2022, and the adjusted EBITDA margin reached 32.1%, compared to 32.7% recorded in the previous
year. Excluding the effects of revenue and construction costs, the adjusted EBITDA margin reached 40.6% in 2022, compared to 41.5% in
2021.</P>



<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0 0 12pt; text-align: center"><IMG SRC="sbsfs4q226k_004.jpg" ALT="">&nbsp;</P>


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<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="background-color: #0070C0">
    <TD COLSPAN="6" STYLE="border: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/107% Calibri,sans-serif; margin: 0; text-align: center; color: white"><B>Adjusted EBITDA Reconciliation<SUP>1</SUP>
    (Non-accounting measures) (R$ million)</B></P>
    <P STYLE="font: 8pt/107% Calibri,sans-serif; margin: 0; text-align: center">&nbsp;</P></TD></TR>
  <TR STYLE="background-color: gray">
    <TD STYLE="width: 35%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="width: 13%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white; line-height: 107%">2019</FONT></TD>
    <TD STYLE="width: 13%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; color: white; line-height: 107%">2018</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;3,367.5 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;2,835.1 </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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;372.4 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;1,033.7 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;1,264.3 </FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;1,780.2 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;1,392.6 </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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;1,310.4 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;1,077.3 </FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;18.7 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;(28.7)</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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">Adjusted EBITDA</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;7,510.5 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;6,540.6 </FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">Adjusted EBITDA margin</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;41.8 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;40.7 </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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;(2,946.6)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;(2,802.7)</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;2,881.4 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;2,739.7 </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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">Adjusted EBITDA excluding revenue and construction costs</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;6,978.3 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;6,274.3 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;6,335.3 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;7,445.3 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;6,477.6 </FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">Adjusted EBITDA Margin excluding revenue and construction costs</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">40.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">41.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;45.0 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;49.5 </FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt; line-height: 107%">&nbsp;48.8 </FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 8pt Arial,sans-serif; margin: 0; text-align: justify"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><SUP>1</SUP></FONT><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt">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 individually or as an alternative to net income, as a measure of operating performance, an alternative to operating cash flows,
or a liquidity measure. 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.</FONT></P>

<P STYLE="font: 8pt Calibri,sans-serif; margin: 0; text-align: justify">Adjusted EBITDA is intended to present an indicator of operational
economic performance. Sabesp&#8217;s Adjusted EBITDA corresponds to net profit before net financial expenses, 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 of the ability to meet the Company's
obligations and 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 into account other costs resulting from Sabesp's activities or
some other costs that may considerably affect its profits, such as financial expenses, taxes, depreciation, capital expenditures, and
other related charges.</P>

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

<P STYLE="font: 8pt Calibri,sans-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: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt">&nbsp;</P>

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

<P STYLE="font: 11pt/115% Calibri,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,sans-serif; margin: 0 0 12pt; text-align: justify">In 2022, the Company prioritized the contracting
of debt in local currency, totaling R$ 2.2 billion, whose proceeds were used to finance its investment plan, recompose cash, and refinance
financial commitments. Moreover, R$ 607.4 million related to reimbursements for financing investments already contracted in previous years
were recorded.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">On March 18, 2022, we held the 30th Issue Debentures,
in two series, totaling R$ 1.0 billion. The first and second series will mature in March 2027 and March 2029, respectively. The first
series, totaling R$ 500.0 million, yields CDI + 1.30% p.a., with semi-annual interest payments. The second series, totaling R$ 500.0 million,
yields CDI + 1.58% p.a., also with semi-annual interest payments. The proceeds from the issue were used to refinance financial commitments
overdue in 2022 and to recompose and reinforce the cash position.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">On July 15, 2022, the Company raised R$ 470.0 million
with the Inter-American Investment Corporation (IDB INVEST). The proceeds raised from this contract will be exclusively used to cover
the expenses of the Tiet&ecirc; River Cleaning Project. The principal will be amortized every six months in June and December, starting
in June 2023 and ending in June 2036. Interests mature semi-annually in December and June, starting in December 2022 and ending in June
2036, at CDI + 2.5% p.a.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">On July 26, 2022, Sabesp raised R$ 760.0 million
with the International Finance Corporation (IFC). The funds were used in investments related to the New Pinheiros River Program, improvement
of sanitation services in the coastal regions of the S&atilde;o Paulo State, and water supply in municipalities located in the coastal
areas of the S&atilde;o Paulo State and the suburbs of the city of S&atilde;o Paulo. The principal will be amortized every six months
in April and October, starting in April 2023 and ending in April 2032. Interests mature semi-annually in October and April, starting in
October 2022 and ending in April 2032, at CDI + 2.0% p.a.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">In 2022, the risk rating agencies have not changed
the Company&#8217;s ratings, which remain as &#8216;AAA&#8217; on the national scale.</P>


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<P STYLE="font: 11pt Calibri,sans-serif; margin: 0">&nbsp;</P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
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    <TD STYLE="width: 32%; border: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="width: 30%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; color: white; line-height: 107%"><B>Fitch</B></FONT></TD>
    <TD STYLE="width: 19%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; color: white; line-height: 107%"><B>Moody&#8217;s</B></FONT></TD>
    <TD STYLE="width: 19%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; color: white; line-height: 107%"><B>S&amp;P</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; line-height: 107%">National Scale</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; line-height: 107%">AAA(bra)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; line-height: 107%">AAA.br</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; line-height: 107%">brAAA</FONT></TD></TR>
  <TR STYLE="background-color: white">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; line-height: 107%">Global Scale</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/107% Calibri,sans-serif; margin: 0; text-align: center">BB (foreign currency)</P>
    <P STYLE="font: 9pt/107% Calibri,sans-serif; margin: 0; text-align: center">BB+ (local currency)</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 107%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 9pt; line-height: 107%">BB-</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0 0 6pt; text-align: justify">In the fiscal year ended December 31, 2022, the Company
met all the requirements (covenants) of its borrowings and financing agreements. The table below shows the most restrictive clauses in
2022:</P>

<P STYLE="font: 8pt/115% Calibri,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: top; background-color: #5B9BD5">
    <TD STYLE="width: 47%; border-top: #5B9BD5 1pt solid; border-bottom: #5B9BD5 1pt solid; border-left: #5B9BD5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 53%; border-top: #5B9BD5 1pt solid; border-right: #5B9BD5 1pt solid; border-bottom: #5B9BD5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; color: white; line-height: 110%"><B>Covenants</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #DEEAF6">
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; border-left: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Adjusted EBITDA / Adjusted Financial Expenses</B></FONT></TD>
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Calibri,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: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; border-left: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>EBITDA / Financial Expenses Paid</B></FONT></TD>
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Calibri,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: #DEEAF6">
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; border-left: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Adjusted Net Debt / Adjusted EBITDA</B></FONT></TD>
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Calibri,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: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; border-left: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Net Debt / Adjusted EBITDA</B></FONT></TD>
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Calibri,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: #DEEAF6">
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; border-left: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Total Adjusted Debt / Adjusted EBITDA</B></FONT></TD>
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 110%">Lower than 3.65</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; border-left: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Other Onerous Debt<SUP>(1) </SUP>/ Adjusted EBITDA</B></FONT></TD>
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 110%">Equal to or lower than 1.30</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #DEEAF6">
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; border-left: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt"><B>Adjusted Current Liquidity</B></FONT></TD>
    <TD STYLE="border-right: #9CC2E5 1pt solid; border-bottom: #9CC2E5 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 110%">Higher than 1.00</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt/115% Calibri,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 8pt/115% Calibri,sans-serif; margin: 0 7.1pt 6pt 0; text-align: justify">(1) The contractual definition of &#8220;Other
Onerous Debts&#8221; 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.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 12pt 7.1pt 6pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">Total debt increased by 6.9% in 2022, from R$ 17.7
billion in 2021 to R$ 19.0 billion in 2022. Total indebtedness denominated in foreign currency fell by 15.8%, from R$ 3.3 billion in 2021
to R$ 2.8 billion in 2022, accounting for 14.6% of the Company's total debt at the end of the period (18.6% in 2021).</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">Amortization in local and foreign currencies totaled
R$ 1.5 billion in 2022.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">At the end of 2022, we had R$ 16.7 billion in long-term
debt, R$ 2.5 billion of which was in foreign currency. Short-term debt totaled R$ 2.2 billion, of which R$ 312.6 billion was in foreign
currency.</P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Brazilian market closed 2022 with the Ibovespa
index at 109,404 points, an increase of 4.69%. The appreciation of the stock market was below the inflation accumulated for the year,
of 5.79%, therefore, with negative results for the market in general.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In the year when Sabesp celebrates 20 years of listing
its shares on the New York Stock Market and B3&#8217;s Novo Mercado Segment, its shares stood out from the other companies participating
in Ibovespa, mainly due to market agents' expectations regarding the developments with the result of</P>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">the state election, and as a result of the new legal
framework of the sector and forecasts of future business generation. Sabesp&#8217;s shares appreciated by 42.3% over the previous year
and priced at R$ 57.16, with a market cap of R$ 39.1 billion.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The annual financial volume increased by 47.1% over
the previous year. However, the participation of individual investors fell to less than 2% in 2022, as opposed to the growth in the number
of institutional investors.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The American Depositary Receipts (ADRs) appreciated
by 45.2% under the same fundamentals of the local market and the 5.3% depreciation of the U.S. dollar, which may be related to the decrease
in the number of shares traded at NYSE, reducing the participation in Company&#8217;s capital ownership from 15.3% to 12.1%. The S&amp;P
500 and Dow Jones market indexes depreciated by 19.4% and 8.8%, respectively, in the same period.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0; text-align: justify">The Company is still part of the main B3 indexes and continues
to be monitored by the main financial institutions in the market.</P>

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

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

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; 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 fiscal 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,sans-serif; margin: 0 0 12pt; 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
additional minimum dividends.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">Regarding the year 2022, Sabesp paid dividends as
interest on own capital totaling approximately R$ 644.3 million for 2021, corresponding to approximately R$ 0.9427 per common share, a
payout of 27.9%, and a dividend yield of 2.3%.</P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0 0 12pt; text-align: justify"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 115%">For
2022, the Board of Directors approved the proposal to pay interest on capital, totaling R$ 872.2 million, corresponding to R$ 1.2760 per
common share, a payout of 27.9%, and a dividend yield of 2.2%, with payment scheduled for June 26, 2023.</FONT><BR STYLE="clear: both">
</P>


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<P STYLE="font: 20pt/107% Calibri,sans-serif; margin: 12pt 0; color: #4472C4"><B>SUSTAINABILITY STRATEGY</B></P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In 2022, we created an Integration Committee to boost
the agenda involving environmental, social, and governance (ESG) matters. These are urgent and important topics that have been addressed
by Sabesp in the last few years but are now seen in a more integrated way, increasingly progressing in terms of sustainable practices
and new market opportunities.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">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,sans-serif; margin: 0 0 8pt; text-align: justify">It is worth noting that the Sustainable Development
Goals (SDG), established in the UN&#8217;s Agenda 2030, are already internally addressed and align the Company with urgent global requirements.
We are signatories to the UN Global Company and have had, for two years, a partnership agreement with UNFCCC &#8211; United Nations Framework
Convention on Climate Change, and joined the S&atilde;o Paulo Environmental Agreement.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Below are the Company&#8217;s main ESG practices
and projects. These and other initiatives are available in detail in the Sustainability Report, on the Company&#8217;s website at <FONT STYLE="color: #0563C1"><U>https://ri.sabesp.com.br/a-companhia/relatorio-de-sustentabilidade/</U></FONT>.</P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">With ESG factors increasingly present in our strategy,
environmental management, conducted in an integrated manner, has strengthened our commitment to environmental quality and sustainable
sanitation services. The work is based on corporate programs, initiatives aimed at environmental compliance, the consolidation of a culture
aimed at protecting the environment, and the sustainability of the Company&#8217;s operations.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">According to the guidelines of <B>Sabesp&#8217;s Institutional
Environmental Policy</B>, environmental programs are monitored by a deliberative Environmental Committee composed of senior management
representatives.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Sabesp maintains <B>Corporate Programs for Obtaining
and Maintaining Environmental Licenses </B>for Sewage Pumping Stations (SPSs), Water Treatment Stations (WTSs), and Sewage Treatment Stations
(STSs), which have made it possible to meet these licensing agency's requirements and structuring the processes for renewing and maintaining
these legal documents. To this end, since 2017, Sabesp has had a program formalized with CETESB for the SPSs, and, in 2022, the Company
formalized a similar program for the WTSs and STSs.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Similarly, the Company has a <B>Corporate Program
for Obtaining and Maintaining Water Resource Use Grants</B> that include water collection and discharges, and dams, which is key to ensuring
access to the main raw material for public supply and provides the elements necessary to subsidize the process of use, management, and
payment for water resources under its scope of operation.</P>

<P STYLE="font: 11pt/107% Calibri,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 and Judicial</P>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Agreements, benefitting the planning and execution of
works within feasible deadlines, integrating these obligations to the Company&#8217;s budget priorities.</P>

<P STYLE="font: 11pt Calibri,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>. To this end, since 2017, Sabesp has had a corporate program focused on forest recovery by planting and maintaining one million
seedlings of regional native species for 10 years. Until 2022, around 742 thousand seedlings were acquired, of which approximately 632
thousand (85.2%) have already been planted and are currently under maintenance.</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">This program has already allowed Sabesp to exceed the
number of seedlings planted required to meet the obligations already committed, contributing to the formation of banks of areas planted
that can meet future licensing obligations.</P>

<P STYLE="font: 11pt Calibri,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.</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0 0 12pt; text-align: justify">Accordingly, it is possible to define, where applicable,
plans and/or programs that have measures to prevent or mitigate 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,sans-serif; margin: 0 0 8pt; text-align: justify">To elevate the Company to a condition of environmental
excellence, it is necessary to invest in preventive actions toward sustainability, through actions aimed at the environmental matter,
such as the programs described below, the other programs previously mentioned, and a Corporate Training Plan for Environmental Management.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In 2009, we started the voluntary implementation of
the <B>Environmental Management System </B>(EMS) in the WTSs and STSs, aiming at improving the efficiency of the systems, managing risks,
and implementing preventive actions to avoid impacts on the environment. The EMS is currently implemented in 622 WTSs and STSs, accounting
for 74% of the stations in operation. Of the total, 36 units are certified under ISO 14001, with the maintenance of the certification
obtained in 2022.</P>

<P STYLE="font: 11pt/115% Calibri,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,sans-serif; margin: 0 0 8pt; text-align: justify">Currently, 11 sewage treatment stations have Sustainability
Seals. According to the program goals, 44 STSs are expected to receive Sustainability Seals by 2024, and the scope should be expanded
for the next few years.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Together with health infrastructure expansion, we
maintain a Corporate Environmental Education Program (PEA Sabesp), the Sabesp 3Rs Program aimed at good management practices of waste
generated in administrative areas, and community engagement programs, through which our</P>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">agents promote workshops, courses, visits, and events
to encourage collective engagement in the creation of a healthier urban environment.</P>

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

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Sabesp operates in the State with the highest population
concentration in Brazil, which already poses great challenges to supplying treated water to the 375 municipalities directly served.</P>

<P STYLE="font: 11pt/115% Calibri,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 conscient use of water are some of the main actions implemented
by the Company to ensure water safety for the population of the municipalities served.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Accordingly, considering the challenges related to
global climate change, the Company&#8217;s strategy to tackle climate change is organized on two main fronts, the first of which is the
pursuit of adaptation and resilience to extreme events, mainly including investments in water infrastructure, operational technology,
and long-term planning to increase water security and resilience to the effects of extreme events.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The other front is taken into consideration through
the <B>Corporate Program for the Management of Greenhouse Gas Emissions (GHG)</B>, which includes several activities, such as GHG emission
inventory, actions and projects to reduce emissions, carbon studies in forests, training, climate risk evaluations, and adhesion to Brazilian
and international initiatives on the matter.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The GHG emissions inventories that include scopes
1, 2, and 3, follow the methodology of the Intergovernmental Panel on Climate Change (IPCC), and have been prepared since 2007, with sewage
treatment being the main source of our emissions (85.0%), similar to other Brazilian companies of the sector. Electricity consumption
accounts for 13.7% of the total while other activities account for approximately 1.3%.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To improve our medium-and long-term strategy, the
engagement of a consulting firm to prepare a plan of goals to reduce GHG emissions is under a bidding process. The plan also complies
with State Decree 65,881/2021, which provides for the adhesion of the S&atilde;o Paulo State to the UN&#8217;s &#8220;Race to Zero&#8221;
and &#8220;Race to Resilience&#8221; campaigns.</P>

<P STYLE="font: 11pt/115% Calibri,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,sans-serif; margin: 0 0 8pt; text-align: justify">Among the actions to mitigate GHG emissions, we can
highlight projects with positive impacts, which have been implemented and are under development, aiming at the 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,sans-serif; margin: 0 0 8pt; text-align: justify">Regarding electricity consumption, a key input in
the provisions of basic sanitation services, in 2022, we used 9,907.00 terajoules, down by 3.1% from the 10,219.00 used in 2021.</P>


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<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Sabesp is concerned about contributing to the energy
transition by taking advantage of the generation potential, increasing the share of energy from incentivized sources in the Free Market
Tariff (ACL), and implementing energy efficiency actions.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In 2022, Incentivized Energy Sources in ACL accounted
for 5% of the total consumed by our activities. The <B>Program for Distributed Generation of Photovoltaic Energy </B>started the operation
of two other plants, totaling five plants in operation and 6 MW of generation (10% of the total), with the Energy Generation Program expected
to be implemented in 2024.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">For further information, see the Company&#8217;s
Sustainability Report at <FONT STYLE="color: #0563C1"><U>https://ri.sabesp.com.br/a-companhia/relatorio-de-sustentabilidade/</U></FONT>.</P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">One of Sabesp&#8217;s strategic guidelines is to value
people and integrate relationships.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">A trained and engaged workforce, together with a safe
and healthy work environment, favorable to innovation and driven to results, are key for Sabesp to fulfill its mission and achieve its
strategic goals, mainly under the new reality imposed by the New Sanitation Framework, with increased competitiveness in the sanitation
market.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">For further information on Sabesp&#8217;s people
management, see item &#8220;People Management&#8221; of this Report and the Sustainability Report, available on the Company&#8217;s website
at <FONT STYLE="color: #0563C1"><U>https://ri.sabesp.com.br/a-companhia/relatorio-de-sustentabilidade/</U></FONT>.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Thus, advancing in the purpose of providing increased
basic sanitation to social groups and communities served, mainly the most vulnerable ones, in 2022, Sabesp maintained its 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 benefited.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The <B>New Pinheiros River Program </B>is a synonym
for success. Created in 2019 and concluded in 2022, the goal was to reduce sewage discharged into its tributaries, improve water quality,
and fully integrated it into the city. One of the program's strengths was the promotion of dignity and quality of life for families in
regions of extreme social vulnerability that live around its watershed.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To that end, Sabesp developed actions in partnership
with municipal governments for the maintenance and cleaning of streams and the creation of new garbage collection points.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Awareness-raising initiatives were implemented at
the communities surrounding the river, as well as the development of social work for the residents and the generation of work and income
for local collectors.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Also aimed at reducing social vulnerability, Sabesp
has a special tariff category (Social Tariff) charged from low-income families. In 2022, 23,568 families were benefited.</P>

<P STYLE="font: 11pt/107% Calibri,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, with are precariously supplied by improvised pipes that are
subject to contamination. In 2022, the program increased health conditions to 120 thousand people in the MRSP.</P>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To improve sewage collection in regions where residents
cannot afford installations from their homes to sewage collection networks, we have the <B>Se Liga na Rede </B>program, which benefitted
29.7 thousand families from 2012 to 2019, when the first stage ended. The program was suspended between 2020 and 2022, and, in December
2022, it was reformulated by Decree 67,298 to be resumed for another five years. By 2027, around 65 thousand connections are expected
to be made.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In the interior of the State, Sabesp participates
in the <B>Vale do Futuro Program</B> with the expansion of collection, removal, and treatment of sewage in the Vale do Ribeira region,
contributing to the preservation of one of the richest regions in terms of biodiversity in the S&atilde;o Paulo State, promoting more
health, infrastructure, employment, income, and entrepreneurship in the region, and fostering social and economic development.</P>

<P STYLE="font: 11pt/107% Calibri,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>. In 2022, the Company reorganized the program and implemented the
Policy for Volunteer Donations and Contributions, which brought important guidelines for donations in situations of public calamity or
public interest, in addition to prohibitions for political campaigns, parties, or candidates. A total of 500 thousand people were benefitted
from some sort of assistance.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0; text-align: justify; background-color: white">Sabesp also promotes actions toward
the efficient and responsible use of water, spreading 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,sans-serif; margin: 14pt 0; text-align: justify; background-color: white">In addition to the advertising
campaigns, the Company maintains the <B>Rational Use of Water Program</B> (PURA), which works on adjusting the hydraulic structure of
public buildings to reduce losses, and educational campaigns, including practical guidance to employees and state students. Through PURA,
households that reduce consumption are benefitted from a 25% decrease in the tariff.</P>

<P STYLE="font: 14pt/107% Calibri,sans-serif; margin: 0 0 8pt; color: #4472C4"><B>Governance</B></P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Sabesp is a publicly traded company controlled by
the S&atilde;o Paulo State, which holds most of the Company&#8217;s shares. The remaining shares are traded on the S&atilde;o Paulo stock
exchange, in the Novo Mercado segment, 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&#8217;s strengths.</P>


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<P STYLE="font: 12pt/107% Arial,sans-serif; margin: 0 0 8pt; text-align: center"><IMG SRC="sbsfs4q226k_005.jpg" ALT=""></P>

<P STYLE="font: 11pt/107% Calibri,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 bodies, as well as to the
Accounting Court of the S&atilde;o Paulo State.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">On February 28, 2023, the Board of the State Privatization
Program (CDPED), agreed to proceed with the negotiations for the contracting of consultancy services for studies on Sabesp&#8217;s privatization.
Until this moment, there is no indication that the model will be adopted and the impacts it will have on the Company.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Company&#8217;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.
Half of the 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,sans-serif; margin: 0 0 8pt; text-align: justify">The Executive Board, which was renewed in early 2023,
is responsible for the Company&#8217;s executive management and is currently composed of six members, half of whom are women. For further
information on the profile of the Executive Board&#8217;s members, visit <FONT STYLE="color: #0563C1"><U>https://ri.sabesp.com.br/governanca-corporativa/conselhos-comites-do-conselho-e-diretoria/</U></FONT>.</P>

<P STYLE="font: 11pt/107% Calibri,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&#8217; 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,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 five alternate members, including the representatives of the majority
shareholders (sitting and alternate members).</P>

<P STYLE="font: 11pt/107% Calibri,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&#8217; Meeting. The compensation paid
in 2022, in gross amounts, considering benefits, totaled R$ 6.6 million, including around R$ 1.3 million referring to the Executive Officers'
variable compensation.</P>


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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Code of Conduct and Integrity is the main corporate
instrument to disseminate both the ethical conduct expected and the practices not tolerated by the Company, guiding its Board members,
executive officers, employees, apprentices, interns, service providers, and partners, when joining Sabesp, to develop the culture of integrity.
To ensure compliance with the Code, the Company makes available a Trust Channel, aimed at the solution of doubts, and providing employees
with information, and a Whistleblowing Channel, aimed at detecting and monitoring misconduct, which is investigated and subject to disciplinary
measures.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Company&#8217;s Integrity Program offers a set
of anti-corruption, anti-fraud, and anti-bribery measures to prevent, detect, and remedy risks that may lead to non-compliance with laws,
regulations, and organizational instruments, including acts against the government.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To disseminate and foster the culture of integrity,
we developed continuous communication and training actions for our employees, including the members of the Executive Board, Board of Directors,
and statutory committees. In 2022, more than 21 thousand people participated in training courses on prevention and fighting fraud, bribery,
corruption, and relationship with government agents.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To engage employees and leaders on topics such as
nepotism, conflict of interest, donations, sponsorships, gifts, and hospitality, among others, in 2022, the Company launched the <B>Moments
of Compliance </B>project.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In 2022, Sabesp analyzed 171 transactions focused
on conflict of interest involving related parties, and 52 reputational analyses (Integrity Background Check).</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 12pt 0; text-align: justify">Sabesp considers that it has strong integrity policies and
controls. However, in cases of violation of our rules, the Company created an external Whistleblowing Channel managed by a specialized
third-party company, to detect and monitor misconduct (harassment, fraud, and corruption).</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 12pt 0; text-align: justify">In 2022, 396 reports were recorded in the Whistleblower
Channel and 48 penalties were applied, among company employees and outsourced employees, of which 21 warnings, 2 suspensions, and 25 dismissals.
It is worth noting that, among the cases investigated and the penalties applied, there are no indications of the participation of Company
employees in acts of corruption.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In recognition of the Company&#8217;s commitment to
ethical behavior in its business, Sabesp received, for two consecutive cycles, the Seal of Pro-Ethics Company from the Office of the Controller
General. It was also granted scores higher than nine in the self-assessment held in 2022 through the platform of the Ethos Institute,
showing the high maturity of its Integrity Program.</P>

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

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To manage its risks, Sabesp has an organizational
structure at the executive level, administratively linked and led by the CEO. Risk management is carried out by several areas of the Company
and the governance bodies, and is supported by the Corporate Risk Management Committee.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">To ensure systematic and standardized risk management,
Sabesp adoptes a Corporate Risk Management policy, approved by the Board of Directors, which is adherent to the framework of the</P>


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<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Committee of Sponsoring Organizations of the Treadway
Commission - Enterprise Risk Management 2017 (COSO - ERM)), ABNT NBR ISO 31.000:2018, and ABNT ISO GUIA 73 standards.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The Company&#8217; risk management covers the main
corporate risks (regulatory, climate, cyber, financial, and those related to our business), which are classified based on their nature,
impact, probability, and criticality.</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In 2022, the maturity of Sabesp&#8217;s Risk Management
process was submitted to an evaluation by an independent specialized company, which applied the risk maturity evaluation methodology used
by the Brazilian Accounting Court (TCU), considering the environment, processes, partnerships, and result, in addition to the criteria
of evaluation, formalization, standardization, and content. Sabesp&#8217;s final grade was 3.33 (from 0-4), indicating that the Company
has a high level of risk management maturity and is ranked among the best Brazilian companies.</P>

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

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Internal controls are annually assessed, in a structured
manner, according to the guidelines of the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and are adherent to
section 404 of the Sarbanes-Oxley Act (SOX) and Federal Law 13,303/2016.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">The review of the assessment process of internal controls
considers new risks related to the preparation and disclosure of financial statements, as well as possible significant changes in processes,
information systems, and technological environment.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">Internal control tests are carried out by the internal
audit area which, in 2022, was certified for the second time in Quality Assessment by The Institute of Internal Auditors (The IIA).</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">In 2021, the assessment on effectiveness, which comprised
230 internal controls, did not identify any material deficiencies. The tests related to 2022, in line with the independent audit schedule,
will be concluded in April 2023.</P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0 0 8pt; text-align: justify"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 11pt; line-height: 115%">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, once again recognized by the National Association of Finance, Administration, and Accounting Executives
(Anefac), which awarded Sabesp with the 2022 Transparency Trophy, i<FONT STYLE="color: #262626">n the category Publicly Held Companies
with net revenue of up to R$ 20 billion</FONT></FONT>.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">We currently rely on the external audit Grant Thornton
Independent Auditors, which started reviewing the quarterly information for September 30, 2020.</P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 8pt; text-align: justify">For further information on the structure and operation
of Sabesp&#8217;s Corporate Governance, access the sections of item &#8220;Corporate Governance&#8221; on the Company&#8217;s website
(<FONT STYLE="color: #0563C1"><U>https://ri.sabesp.com.br</U></FONT>).</P>

<P STYLE="font: 11pt/107% Calibri,sans-serif; margin: 0 0 8pt; text-align: center">=== x x x===</P>

<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Calibri,sans-serif; margin: 0; text-align: justify">&nbsp;</P>


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<P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Statements of Financial Position as of December 31, 2022 and 2021</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.5pt solid"><B>In thousands of reais</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt/115% Calibri,sans-serif; margin: 0 0 6pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 51%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Assets</B></FONT></TD>
    <TD STYLE="width: 9%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Current</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Cash and cash equivalents</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">7</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,867,485</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">717,929</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Financial investments</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">8</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,677,873</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,433,385</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">10 (a)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,062,574</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,695,077</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Accounts receivable from related parties</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">11 (a)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">205,793</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">173,657</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Inventories</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">124,247</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">113,506</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Restricted cash</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">37,474</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">28,467</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Recoverable taxes</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18 (a)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">242,906</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">276,104</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Other assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">66,312</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">64,873</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total current assets</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">7,284,664</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6,502,998</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">10 (a)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">215,234</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">223,234</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Accounts receivable from related parties</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">11 (a)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">950,950</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">644,895</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">170,093</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">141,667</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Water and Basic Sanitation National Agency &#8211; ANA</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,193</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">20,666</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Other assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">146,362</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">161,369</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Investments</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">12</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">110,765</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">79,437</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Investment properties</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">13</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">46,726</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">46,126</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Contract asset</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">14</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">8,613,968</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">8,550,102</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Intangible assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">39,320,871</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">36,503,834</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Property, plant and equipment</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">16</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">338,939</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">291,157</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
<!-- 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>
<!-- 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-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total noncurrent assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">49,923,101</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">46,662,487</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total Assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">57,207,765</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">53,165,485</P></TD></TR>
  </TABLE>

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<P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Statements of Financial Position as of December 31, 2022 and 2021</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.5pt solid"><B>In thousands of reais</B></P>

<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 51%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Liabilities and equity</B></FONT></TD>
    <TD STYLE="width: 9%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Current</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Trade payables and contractors </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">430,946</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">236,763</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">17</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,245,960</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,830,617</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Labor and social obligations</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">21</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">498,504</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">426,616</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Taxes and contributions payable</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">293,461</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">257,130</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Interest on capital payable</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">741,725</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">548,006</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Provisions</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">20 (a)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">924,038</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">809,821</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Services payable</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">23</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">723,242</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">469,027</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15 (d)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">222,413</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">142,757</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Program Contract Commitments</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15 (c) (iv)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">100,188</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">77,652</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Other liabilities</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">476,865</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">294,538</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total current liabilities</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6,657,342</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">5,092,927</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">17</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">16,712,711</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,893,219</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Deferred income tax and social contribution</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">19 (a)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">189,278</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">283,739</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">159,723</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">159,456</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Provisions </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">20 (a)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">686,746</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">638,672</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">22</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,150,191</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,321,662</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15 (d)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,736,768</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,917,428</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Program Contract Commitments</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15 (c) (iv)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">12,197</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">44,995</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Other liabilities</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">569,276</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">881,528</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total non-current liabilities</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">23,216,890</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">23,140,699</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
<!-- 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>
<!-- 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="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total liabilities</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">29,874,232</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">28,233,626</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Equity</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Capital stock</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,000,000</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,000,000</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Earning reserves</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">12,155,890</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,885,485</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Other comprehensive loss</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">177,643</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">46,374</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total equity</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">24</FONT></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">27,333,533</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">24,931,859</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total equity and liabilities</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">57,207,765</P></TD>
    <TD>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">53,165,485</P></TD></TR>
  </TABLE>

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<P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Income Statements for the</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0"><B>&nbsp;</B></P>


<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 54%; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 7%">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="width: 19%">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif; text-indent: -14.1pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Net operating revenue</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">28 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">22,055,720</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">19,491,061</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Operating costs</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">29</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(14,350,903)</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(12,800,042)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Gross profit</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">7,704,817</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6,691,019</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Selling expenses</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">29</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(911,967)</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">(825,879)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">29</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(782,057)</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">(643,730)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">29</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(1,398,507)</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">(1,124,069)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">31</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">8,327</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(21,841)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Equity results of investments in affiliaties</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">12</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">24,551</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">22,079</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">4,645,164</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">4,097,579</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Financial expenses</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">30</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">(1,956,266)</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">(1,448,295)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Financial revenue</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">30</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">1,091,531</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">472,408</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Exchange variations, net</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">30</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">492,321</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">48,464</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD></TD>
    <TD></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Financial result, net</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(372,414)</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(927,423)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD></TD>
    <TD></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Profit before income tax and social contribution</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,272,750</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,170,156</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Current</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">19 (d)</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">(1,230,234)</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">(961,556)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; padding-left: 14.1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&#9;Deferred</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">19 (d)</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">78,751</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">97,269</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom-width: 0cm; border-bottom-color: black">(1,151,483)</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(864,287)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 2.4pt"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 2.4pt"><B>Profit for the year</B></P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,121,267</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,305,869</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Earnings per share - basic and diluted (in reais)</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2.4pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">25</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4.57</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3.37</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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


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<P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Statements of Comprehensive Income for the</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 54%; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 7%">
    <P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="width: 19%">
    <P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 6pt; padding-bottom: 6pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Profit for the year</FONT></TD>
    <TD STYLE="padding: 6pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 6pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">3,121,267</FONT></TD>
    <TD STYLE="padding: 6pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">2,305,869</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 6pt; padding-bottom: 6pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&nbsp;Other comprehensive income</FONT></TD>
    <TD STYLE="padding: 6pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 6pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">131,269</FONT></TD>
    <TD STYLE="padding: 6pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">447,376</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 3pt 0; text-indent: 14.2pt">Items that will not be subsequently reclassified</P>
    <P STYLE="font: 10pt Georgia,serif; margin: 3pt 0; text-indent: 14.2pt">to the income statement:</P></TD>
    <TD STYLE="padding: 3pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 6pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 3pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 3pt 0; text-indent: 14.2pt">Actuarial gains and (losses) on defined benefit plans</P>
    <P STYLE="font: 10pt Georgia,serif; margin: 3pt 0; text-indent: 14.2pt">net of taxes</P></TD>
    <TD STYLE="padding: 3pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">22</FONT></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 3pt 0; text-align: right; border-bottom: black 0.5pt solid">131,269</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 3pt 0; text-align: right; border-bottom: black 0.5pt solid">447,376</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 6pt 0">&nbsp;</P>
    <P STYLE="font: 10pt Georgia,serif; margin: 6pt 0">Total comprehensive income for the year</P></TD>
    <TD STYLE="padding: 6pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 6pt 0; text-align: right; border-bottom: black 0.5pt solid">3,252,536</P></TD>
    <TD>
    <P STYLE="font: 10pt Georgia,serif; margin: 6pt 0; text-align: right; border-bottom: black 0.5pt solid">2,753,245</P></TD></TR>
  </TABLE>

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<P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Statements of Changes in Equity for the</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="vertical-align: bottom">
    <P STYLE="font: 7.5pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 38%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 6%">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="width: 7%">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Share capital</B></P></TD>
    <TD STYLE="width: 6%">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Legal reserve</B></P></TD>
    <TD STYLE="width: 9%">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Investment reserve</B></P></TD>
    <TD STYLE="width: 10%">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Minimum additional dividends</B></P></TD>
    <TD STYLE="width: 8%">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Retained earnings</B></P></TD>
    <TD STYLE="width: 8%">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Equity valuation adjustments</B></P></TD>
    <TD STYLE="width: 8%">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Balances as of December 31, 2020</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">15,000,000</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,417,072</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6,751,258</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">26,376</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(401,002)</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">22,793,704</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Net income for the year</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,305,869</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,305,869</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Actuarial gains and (losses)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">22</FONT></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">447,376</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">447,376</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Total comprehensive income for the year</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,305,869</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">447,376</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,753,245</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Legal reserve</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">115,293</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(115,293)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Interest on capital (R$ 0.80122 per share)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(547,645)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(547,645)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Complementary minimum dividends of 2020, approved (R$&nbsp;0.03859 per share)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(26,376)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(26,376)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Complementary minimum dividends (R$&nbsp;0.14148 per share)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">96,700</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(96,700)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 2.85pt">Withholding income tax on interest on capital attributed as</P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 2.85pt 1pt">minimum mandatory dividends</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(41,069)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(41,069)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Transfers to the investment reserve</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (e)</FONT></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,546,231</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,546,231)</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Balances as of December 31, 2021</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">15,000,000</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,532,365</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">8,297,489</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">55,631</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">46,374</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Net income for the year</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">3,121,267</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">3,121,267</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Actuarial gains and (losses)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">22</FONT></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">131,269</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">131,269</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Total comprehensive income for the year</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">3,121,267</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">131,269</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">3,252,536</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Legal reserve</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">156,063</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(156,063)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Interest on capital (R$ 1.08455 per share)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(741,301)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(741,301)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Complementary minimum dividends of 2021, approved (R$&nbsp;0.08139 per share)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(55,631)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(55,631)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Complementary minimum dividends (R$&nbsp;0.19145 per share)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">130,857</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(130,857)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 2.85pt">Withholding income tax on interest on capital attributed as</P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 2.85pt 1pt">minimum mandatory dividends</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(53,930)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(53,930)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Transfers to the investment reserve</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24 (e)</FONT></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,093,046</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,093,046)</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Balances as of December 31, 2022</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">15,000,000</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,688,428</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">10,390,535</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">76,927</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">177,643</P></TD>
    <TD>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">27,333,533</P></TD></TR>
  </TABLE>

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<P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Statements of Cash Flows for the</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 64%; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm; border-bottom: black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm; border-bottom: black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Cash flows from operating activities</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>&nbsp;&nbsp;&nbsp;&nbsp;Earnings before income tax and social contribution</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>3,170,156</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;<B>Adjustments for reconciliation of net income:</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,450,849</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,253,322</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">10,110</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">27,754</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Bad debt expense</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">782,057</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">643,730</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Provisions and inflation adjustments of provisions</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">630,689</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">380,624</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Interest calculated on borrowings and financing payable</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">1,091,592</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">647,980</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Inflation adjustment and exchange gains (losses) on borrowings and financing</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(301,716)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">177,269</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Interest and inflation adjustments on liabilities</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">22,225</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">37,202</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Interest and inflation adjustments on assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(400,057)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(171,173)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Finance charge from customers</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(328,486)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(349,491)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 0.1pt; padding-left: 3.6pt; font-family: Arial,sans-serif; text-indent: -3.6pt"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Construction margin on intangible assets arising from concession agreements</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(109,369)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(98,402)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 0.1pt; padding-left: 8.5pt; font-family: Arial,sans-serif; text-indent: -8.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Provision for Consent Decree (TAC) and Knowledge Retention Program (PRC)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(1,238)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">3,195</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Equity results of investments in affiliaties</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(24,551)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(22,079)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Interest and inflation adjustment &#8211; PPP</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">489,197</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">464,398</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Transfer to the S&atilde;o Paulo Municipal Government</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">167,714</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">131,878</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Pension plan obligations</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">183,262</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">176,673</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;Other adjustments</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,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,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">15,152</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>7,488,188</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Changes in assets </B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Trade receivables</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(489,885)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(742,260)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Accounts receivables from related parties</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(295,091)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">20,665</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Inventories</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(10,741)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(8,658)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Recoverable taxes</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">33,198</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(253,432)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">5,348</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">43,865</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Other assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">18,264</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">31,386</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Changes in liabilities </B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Trade payables and contractors </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(220,462)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(245,501)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Services payable</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">86,501</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(116,601)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Accrued payroll and related taxes</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">73,126</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">12,478</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Taxes and contributions payable</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">120,853</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">196,255</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">267</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">10,012</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Provisions</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(468,398)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(184,433)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Pension plan obligations</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(239,174)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(215,937)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Other liabilities</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,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,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">(68,260)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Cash generated from operations</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>5,967,767</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Interest paid</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(1,505,488)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(845,445)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,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,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">(1,208,569)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt"><B>&nbsp;</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt"><B>Net cash generated from operating activities</B></P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>3,913,753</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt"><B>&nbsp;</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt"><B>Cash flow from investing activities</B></P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Acquisition of contract asset and intangible assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(3,550,537)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(3,696,669)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Restricted cash</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(9,007)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">7,275</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Financial investments</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">755,512</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">1,076,468</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Investment properties</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(648)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Purchase of property, plant and equipment</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,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,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">(50,281)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Net cash used in investing activities </B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>(2,663,207)</B></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%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Statements of Cash Flows for the</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais&#9;&#9;(continued)</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 64%; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Cash flows from financing activities</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;Borrowings and financing </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Proceeds from loans</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,807,026</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,922,811</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payment of loans</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(1,536,724)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(2,896,604)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;Payment of interest on capital</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(603,541)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(254,218)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(590,201)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(579,486)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&nbsp;&nbsp;Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">(16,255)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">(121,521)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Net cash generated from (used in) financing activities</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>(929,018)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</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>
    <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="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Increase in cash and cash equivalents in the year</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,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,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid"><B>321,528</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Represented by:</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Cash and cash equivalents at the beginning of the year</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">717,929</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">396,401</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Cash and cash equivalents at the end of the year</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,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,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">717,929</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt"><B>Increase in cash and cash equivalents in the year</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,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,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid"><B>321,528</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/120% Arial,sans-serif; margin: 0; text-align: justify">&nbsp;</P>


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<P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Value Added Statements for the</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P>

<P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais</B></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt/115% Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 54%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Note</B></P></TD>
    <TD STYLE="width: 19%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="width: 19%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>&nbsp;Revenue</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Sanitation services</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">28 (a)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">18,629,959</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">16,304,206</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Construction</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">28 (b)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">4,863,752</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">4,376,739</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Other revenue </FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">71,258</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">96,303</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Allowance for doubtful accounts </FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">10 (c)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">(643,730)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">20,133,518</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Inputs purchased from third parties</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Operating and construction costs</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(8,617,332)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(7,885,098)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Materials, electricity, outsourced services, and others</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(1,610,864)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(1,293,488)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Other operating expenses</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">31</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">(93,718)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">(9,272,304)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Gross value added </B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">10,861,214</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>&nbsp;Retentions</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">29</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">(2,253,322)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0 1pt 3.55pt; text-align: justify"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0 1pt 3.55pt; text-align: justify"><B>Wealth created by the Company</B></P></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">8,607,892</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Wealth received in transfer</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Equity result</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">12</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">24,551</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">22,079</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Financial income</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">495,410</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">517,489</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Total value added to distribute</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">11,226,344</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">9,125,381</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Value added distribution</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Personnel</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Direct compensation</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,891,145</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,688,099</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Benefits</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">626,689</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">565,698</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Guarantee Fund for Length of Service (FGTS)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">127,421</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">2,381,218</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Taxes, fees, and contributions</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Federal</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">3,108,831</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">2,499,208</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;State</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">159,245</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">151,193</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Municipal</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">63,846</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">2,714,247</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Value distributed to providers of capital</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Interest, exchange variation, and inflation adjustments</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">2,087,049</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,700,587</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Rentals</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">23,460</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">1,724,047</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Value distributed to shareholders</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Interest on capital</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">24 (b)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">741,301</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">547,645</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Retained earnings</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">1,758,224</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">2,305,869</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; padding-left: 3.55pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Value added distributed</B></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.75pt solid">11,226,344</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.75pt solid">9,125,381</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 47; Options: NewSection; Value: 46 -->
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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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Operations</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, 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&#8217; 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,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 66%; border: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 17%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 0 0.45pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 0 21.3pt; text-align: center"><B>2022</B></P></TD>
    <TD STYLE="width: 17%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 0 0.45pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 0 21.3pt; text-align: center"><B>2021</B></P></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: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</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; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total municipalities that have already signed contracts</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">351</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">342</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">45,292,307</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">42,260,091</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">94.49%</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">93.80%</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">17,767,561</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">15,490,808</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">95.37%</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">95.01%</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; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; 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: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Municipalities with expired contracts:</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">8</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">11,519</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">214,329</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">0.02%</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">0.48%</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">15,236</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">41,194</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">0.08%</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">0.25%</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; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; 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: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Municipalities with concession agreements due by 2030:</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">23</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">25</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,072,138</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,127,920</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2.24%</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2.50%</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">711,452</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">653,408</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3.82%</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">4.01%</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; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; 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: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</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; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;Municipality of S&atilde;o Paulo:</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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 Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 66%; border: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="width: 17%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">43.33%</FONT></TD>
    <TD STYLE="width: 17%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">43.11%</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; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">45.14%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">44.45%</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: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 21.3pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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 (&#8220;ADRs&#8221;),
under ticker SBS, since May 2002.</P>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217; agreements provide for the power of veto and casting votes on certain issues jointly with associates, indicating
the shared control in the management of investees, except for Saneaqua Mairinque, which, as of August 2020, no longer has a shared control.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><B>Economic instability worsened by COVID-19</B></P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Regarding the effects of COVID-19, the Company emphasizes
the migration, in 2020, of the billed volume of the public, commercial, and industrial categories that have average tariffs higher than
the tariff charged from the residential category. However, since 2021, the billed volume has been resuming for these categories with consequent
recovery in the average tariff price.</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Expenses with allowance for doubtful accounts are
still rising over the same period in 2021, due to the higher delinquency in 2022.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 14.2pt">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><B>New Legal Sanitation Framework</B></P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On July 15, 2020, Federal Law 14,026/2020, known as
New Legal Framework for Basic Sanitation, was sanctioned. The new law expands competition in the sector by extinguishing program contracts,
encourages the region-wise provision of services to promote economies of scale, and provides for strengthening the service regulation.</P>


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<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Additionally, the New Legal Framework imposes performance
goals to reach 99% of the population served with drinking water and 90% with sewage collection and treatment by December 31, 2033, encouraging
operators to increase efficiency. The new Law also granted the National Water Agency (ANA) with power to edit reference rules to regulate
sanitation services, aiming to standardize the operation of the regulatory agencies and minimize regulatory uncertainties, thus creating
a more stable and attractive environment for investments in the sector.</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On May 31, 2021, Federal Decree 10,710 was published,
regulating article 10-B of Law 11,445/2007, establishing the methodology for proving the economic and financial capacity of public providers
of drinking water supply and sewage services, to make it possible the compliance with the universalization goals by 2033. Said Decree
determined economic and financial evaluation metrics on service providers to prove their ability to make investments within the intended
deadlines and several conditions for current contracts to be considered regular. Any adjustments to them should be made by March 31, 2022,
in line with paragraph 1 of article 11-B of the New Legal Framework.</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">According to the aforementioned Decree, as of December
30, 2021, the Company presented a requirement to the S&atilde;o Paulo State Utility Services Regulatory Agency (ARSESP) containing documents
that prove its capacity to maintain the provision of services in the operated area by meeting the goals of universal water and sewage
collection and treatment by 2033, defined by the New Legal Framework, attested and certified by independent auditor and certifying body.
As of March 28, 2022, ARSESP recognized the Company&#8217;s economic-financial capacity, under the applicable legislation.</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">In this new context, the Company understands that
it is important to highlight that i) it has 366 regular contracts that have already been adapted to the provisions of the New Legal Framework,
which ensure 99.5% of revenue; ii) it has access to public capital and the private capital market, due to its sound reputation, favoring
the maintenance and/or expansion of its operating base and compliance with the universalization of services within the deadline established
by the new law; and iii) it has high governance level.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Management expects that the funds raised with the gradual recovery
of the economic activities, 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&#8217;s commitments and not compromise the necessary investments.</P>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The financial statements were approved by the Board of Directors
on March 23, 2023.</P>

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


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company&#8217;s financial statements have been prepared according
to the International Financial Reporting Standards &#8211; IFRS, issued by the International Accounting Standards Board &#8211; IASB and
according to the accounting practices adopted in Brazil, which observe the pronouncements issued by the Brazilian Accounting Pronouncements
Committee &#8211; 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&#8217;s Management in its administration.</P>

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

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Summary of significant accounting policies</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The main accounting policies used 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Cash and cash equivalents</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;s Management
in a period lower than three months.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Financial assets and liabilities</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia,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, 2022 and 2021, the Company did not have financial assets classified
as fair value through other comprehensive income and fair value through profit or loss.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Amortized cost</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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>

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

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

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

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

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

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 36pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Accounts receivable,</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Due to the characteristics of the Company&#8217;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 in recognizing the expected credit loss based on the asset&#8217;s useful life.</P>


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<P STYLE="font: 10pt/110% Georgia,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 its default
history, which did not result in a significant correlation between them.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 36pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Deposit transactions and financial investments
measured at amortized cost</B></FONT></TD></TR></TABLE>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Operating income</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Revenue from sanitation services</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Revenues are recognized based on CPC 47 / IFRS 15 &#8211; 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>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Construction revenue</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Revenue from construction is recognized in accordance with ICPC
01 (R1) / IFRIC 12 (Service Concession Arrengements) 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,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Trade receivables and allowance for doubtful
accounts</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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 3.2.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.5</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Inventories</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.6</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Investment properties</B></FONT></TD></TR></TABLE>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.7</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Contract Asset</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 &#8211; Revenue from Contracts with Customers, assets
subject to the concession under construction, recorded under the scope of ICPC 01 (R1) &#8211; 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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</P>


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

<P STYLE="font: 10pt/110% Georgia,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 3.3 (b).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.8</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Property, plant and equipment</B></FONT></TD></TR></TABLE>

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

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

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

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.9</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Intangible assets</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 3.7.</P>


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<P STYLE="font: 10pt/110% Georgia,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&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,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 recorded in the financial statements at zero cost, since
these assets are owned by the granting authority.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Financial resources received as donations for infrastructure
construction are recorded under &#8220;Other operating income&#8221;.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Concession agreements/program contracts/service
contracts</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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% Arial,sans-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,serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt Georgia,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, whichever occurs first.</P>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Software license of use</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.10</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Impairment of non-financial assets</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.11</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Trade payables and contractors</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.12</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Borrowings and financing</B></FONT></TD></TR></TABLE>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.13</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Borrowing costs</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia,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>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.14</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Salaries, payroll charges, and social contributions</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.15</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Provisions, legal obligations, escrow deposits,
and contingent assets</B></FONT></TD></TR></TABLE>

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

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

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

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Contingent assets are not recognized in the statements of financial
position.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.16</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Environmental costs</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.17</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Income taxes - current and deferred </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Income taxes expenses comprise current and deferred income tax
and social contributions.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><U>Current taxes</U></P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><U>Deferred taxes</U></P>

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

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.18</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Taxes on revenues</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia,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 &#8220;other operating income&#8221;
and &#8220;financial revenues&#8221; are presented net of such taxes on the income statement.</P>

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


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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.19</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Pension plan obligations</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Defined benefit</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;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/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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&#8217;s
deficit or surplus.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Defined contribution</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.20</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Financial income (expenses)</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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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<P STYLE="font: 10pt/110% Georgia,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&#8217;s
economic scenario.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.21</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Lease </B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.22</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Other current and noncurrent assets and liabilities</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.23</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Dividends and interest on capital</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.24</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Present value adjustment</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.25</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Value added statement (DVA)</B></FONT></TD></TR></TABLE>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.26</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Segment information </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Operating segments are determined in a manner consistent with
the internal reporting to the Company&#8217;s chief operating decision maker (&#8220;CODM&#8221;), which, in the case of SABESP, is comprised
of the Board of Directors and Board of Executive Officers, to make strategic decisions, allocate resources and evaluate performance.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The accounting policies used to determine segment information
are the same as those used to prepare the Company&#8217;s financial statements.</P>

<P STYLE="font: 12pt Georgia,serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The CODM analyzes asset and liabilitity information on a consolidated
basis. Consequently, the Company does not disclose segment information on assets and liabilities.</P>

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

<P STYLE="font: 10pt/110% Georgia,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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>3.27</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Foreign currency translation</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Functional and reporting currency</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Foreign currency translation</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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 3.13.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Changes in accounting practices and disclosures</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>4.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>New standards, amendments, and interpretations
effective for periods beginning on or after January 1, 2022</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The amendments to CPC 15 (R1) / IFRS 3 &#8211; Reference to the
Conceptual Framework; CPC 27 / IAS 16 &#8211; Proceeds Before Intended Use; CPC 25 (R1) / IAS 37 &#8211; Onerous Contracts &#8211; Cost
of Fulfilling a Contract and annual improvements to the CPCs / IFRSs: Cycle 2018-2020: CPC 37 (R1) / IFRS 1 &#8211; First-Time Adoption
of International Financial Reporting Standards, CPC 48 / IFRS 9 &#8211; Financial Instruments, CPC 06 (R2) / IFRS 16 &#8211; Leases and
CPC 29 / IAS 41 &#8211; Biological Asset and Agriculture, did not impact the disclosures or amounts recognized in the annual financial
statements.</P>

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


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>4.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>New standards, amendments, and interpretations
to existing standards that are not yet effective</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 0; border-bottom: black 0.5pt solid"><B>Standard</B></P></TD>
    <TD STYLE="width: 54%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 0; border-bottom: black 0.5pt solid"><B>Description</B></P></TD>
    <TD STYLE="width: 25%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,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; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">CPC 50 / IFRS 17 &#8211; Insurance Contracts<SUP>2</SUP></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">Establishes the principles for the recognition, measurement, presentation,
    and disclosure of insurance contracts.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">CPC 50 / IFRS 17 will supersede CPC 11 / IFRS 4 Insurance Contracts.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">Amendments to CPC 36 (R3) / IFRS 10 &#8211; Consolidated Statements and CPC
    18 (R2) / IAS 28 &#8211; Sales or Contributions of Assets between an Investor and its Associate or Joint Venture<SUP>2</SUP></P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">Amendments to CPC 26 (R1) / IAS 1 &#8211; Classification of Liabilities as Current or Non-Current<SUP>1</SUP></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">These amendments to CPC 26 (R1) / IAS 1 only affect the presentation of liabilities
    as current or non-current 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 non-current
    is based on rights existing on the reporting 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 &#8216;settlement&#8217; 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,serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">The Company does not expect any impacts from this standard.</FONT></TD></TR>
  </TABLE>

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<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 0; border-bottom: black 0.5pt solid"><B>Standard</B></P></TD>
    <TD STYLE="width: 54%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 0; border-bottom: black 0.5pt solid"><B>Description</B></P></TD>
    <TD STYLE="width: 25%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,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; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">Amendments to CPC 26 (R1) / IAS 1 &#8211; Presentation of Financial Statements<SUP>1</SUP>
    and IFRS Practice Statement 2 &#8211; Making Materiality Judgments &#8211; Disclosure of Accounting Policies<SUP>3</SUP></P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="width: 54%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">The amendments modify the requirements contained in CPC 26 (R1) / IAS 1 regarding
    the disclosure of accounting policies. The amendments replace all the examples of the term &#8220;significant accounting policies&#8221;
    with &#8220;information of material accounting policies&#8221;. Accounting policy information is material if, when considered together
    with other information included in an entity&#8217;s financial statements, could reasonably influence decisions that the main users make
    based on the financial statements. The supporting paragraphs have also been amended to clarify that accounting policy information related
    to transactions, other events, or conditions that are not material is, therefore, irrelevant and does not need to be disclosed.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">The Board has also prepared guidance and examples to explain and demonstrate
    the application of the &#8220;four-step materiality process&#8221; described in IFRS Practice Statement 2.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="width: 25%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">The Company does not expect any impacts from these changes.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">Amendments to CPC 23 / IAS 8 - Accounting Policies, Changes in Estimates, and Errors&#8212;Definition of Accounting Estimates<SUP>1</SUP></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">The amendment supersede the definition of changes in the accounting estimates
    with the definition of accounting estimates. According to the new definition, accounting estimates are &#8220;monetary amounts in the
    financial statements subject to measure uncertainty&#8221;.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">The definition of change in accounting estimates has been deleted, however,
    the Board maintained the concept of changes in accounting estimates in the Standard with the following clarifications:</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&#8226; A change in an accounting estimate that results from new information
    or new events does not mean an error correction;</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&#8226; The effects of the change in data or measurement technique used to
    create an accounting estimate correspond to changes in accounting estimates if they do not result from the correction of prior period
    errors.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">The Company does not expect effects from these amendments.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD></TR>
  </TABLE>

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<P STYLE="font: 12pt Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 0; border-bottom: black 0.5pt solid"><B>Standard</B></P></TD>
    <TD STYLE="width: 54%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 0; border-bottom: black 0.5pt solid"><B>Description</B></P></TD>
    <TD STYLE="width: 25%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,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; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">Amendments to CPC 32 / IAS 12 &#8211; Income Taxes &#8211; Deferred Tax Related
    to Assets and Liabilities Arising from a Single Transaction (&#8220;single transaction&#8221;) <SUP>1</SUP></P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD>
    <TD STYLE="width: 54%; padding: 1pt 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">The amendments introduce an additional exception to the exemption of first-time recognition. According to the amendments, an entity does not apply the exemption of first-time recognition for transactions resulting in equal taxable and deductible temporary differences.</FONT></TD>
    <TD STYLE="width: 25%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">The Company does not expect effects from these amendments.</P>
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 1pt 2.85pt">&nbsp;</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 5cm; text-align: justify; text-indent: -5cm">&nbsp;</P>

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<TD STYLE="width: 3.3pt"></TD><TD STYLE="width: 10.9pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">1.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Effective for annual periods beginning on or
after January 1, 2023.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">2.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The effective date of the amendments has not
yet been defined by IASB.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">3.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The amendments to IFRS Practice Statement 2
do not provide an effective date or transition requirements.</FONT></TD></TR></TABLE>

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

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

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

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<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>5</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Risk management</B></FONT></TD></TR></TABLE>

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

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<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>5.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Financial Risk Management </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Financial risk factors</B></P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company has not utilized derivative instruments in any of
the reported periods.</P>


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<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Market risk</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Foreign currency risk</B></P>

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

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Part of the financial debt, totaling R$ 2,809,441 as of December
31, 2022 (R$ 3,321,489 as of December 31, 2021), is indexed to the U.S. dollar and Yen. The exposure to exchange risk is as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 48%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Foreign currency</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(in thousands)</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 10pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>R$</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Foreign currency</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(in thousands)</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 10pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>R$</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Borrowings and financing &#8211; US$</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">191,022</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">996,695</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">163,538</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">912,624</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Borrowings and financing &#8211; Yen</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">45,369,189</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,795,259</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">49,324,813</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,390,774</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest and charges from borrowings and financing &#8211; US$</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">6,985</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">4,121</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest and charges from borrowings and financing &#8211; Yen</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">10,502</P></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">13,970</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total exposure</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,809,441</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,321,489</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Borrowing cost &#8211; US$</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(31,037)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(22,486)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Borrowing cost &#8211; Yen</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,646)</P></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,850)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total foreign currency-denominated borrowings (Note 17)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">2,775,758</P></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">3,296,153</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->66<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify">The 15.8% decrease in the balance of the foreign currency-denominated
debt from December 31, 2022, compared to December 31, 2021, 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/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="vertical-align: bottom; width: 19%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; vertical-align: bottom; width: 33%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.75pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; vertical-align: bottom; width: 31%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="vertical-align: top; width: 17%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: black 0.75pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right"><B>Variation</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">US$</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">R$ 5.2177</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">R$ 5.5805</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">-6.5%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Iene</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">R$ 0.03957</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">R$ 0.04847</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">-18.4%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Borrowings and financing fell by R$&nbsp;488,614 in 2022 (a decrease
of R$&nbsp;38,324 in 2021), see Note 17 (ii). As of December 31, 2022, 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 taxes in the year would have been R$ 280,944 (R$ 332,149 in 2021), lower or higher.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,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>


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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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 79%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Net currency exposure as of December 31, 2022, in US$ - Liabilities </B></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">191,022</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">US$ rate as of December 31, 2022</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">5.2177</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">5.2700</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(0.0523)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Effect on the net financial result R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(9,990)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Net currency exposure as of December 31, 2022, in Yen - Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">45,369,189</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Yen rate as of December 31, 2022</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">0.03957</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">0.04203</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(0.00246)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Effect on the net financial result R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">(111,608)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total effect on the net financial result in R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">(121,598)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(*) For the probable scenario in U.S. dollars and Yen, the exchange rates estimated for December 31, 2023, were used, according to the Focus-BACEN and B3&#8217;s Benchmark Rate report, of December 31, 2022, respectively.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Interest rate risk</B></P>

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

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

<P STYLE="font: 10pt/110% Georgia,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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    <!-- Field: /Page -->


<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The table below provides the borrowings and financing subject
to variable interest rates:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 30%; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 36%">
    <P STYLE="font: 9pt/110% Georgia,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: 10pt; width: 34%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">CDI (i)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">9,251,150</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">7,612,299</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">TR (ii)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,635,587</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,638,079</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">IPCA (iii)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,073,435</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,019,459</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">TJLP (iv)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,433,029</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,478,740</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">SOFR (v)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">996,697</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">912,626</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest and charges</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">424,856</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">243,696</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">16,814,754</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">14,904,899</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt/110% Georgia,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 2%">(i)</TD>
  <TD STYLE="text-align: justify; width: 98%">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,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 2%">(ii)</TD>
  <TD STYLE="text-align: justify; width: 98%">TR &#8211; Interest Benchmark Rate</TD></TR>
</TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt/110% Georgia,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 2%">(iii)</TD>
  <TD STYLE="text-align: justify; width: 98%">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,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 2%">(iv)</TD>
  <TD STYLE="text-align: justify; width: 98%">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,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 2%">(v)</TD>
  <TD STYLE="text-align: justify; width: 98%">SOFR - Secured Overnight Financing Rate</TD></TR>
</TABLE>


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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, 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$ 168,148 (R$ 149,049 as of December 31, 2021), 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Credit risk</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The maximum exposure to credit risk as of December 31, 2022,
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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,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&#8217;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's, and S&amp;P), as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 37%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.5pt solid"><B>Banks</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Fitch</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Moody's</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Banco do Brasil S/A</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Banco Santander Brasil S/A</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Banco Bradesco S/A</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Banco Ita&uacute; Unibanco S/A</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Banco BV</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AA.br</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Banco BTG Pactual S/A</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">brAAA</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 27%; padding-right: 10pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 27%; padding-right: 10pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Cash and cash equivalents and financial investments</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,237,629</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,905,810</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,011,685</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">970,474</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Others (*)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">296,044</P></TD>
    <TD STYLE="padding-right: 10pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">275,030</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,545,358</P></TD>
    <TD STYLE="padding-right: 10pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,151,314</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">(*) As of December 31, 2022, this category includes R$ 289,908
(R$ 262,465 as of December 31, 2021) referring to Banco BV, current accounts, and financial investments, which are not rated by Fitch.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Liquidity risk </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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>


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    <!-- Field: /Page -->



<P STYLE="font: 10pt/110% Georgia,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>

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

<P STYLE="font: 10pt/110% Georgia,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, 2022.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 37%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; width: 9%; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 3pt; width: 9%; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2024</B></P></TD>
    <TD STYLE="padding-right: 3pt; width: 9%; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2025</B></P></TD>
    <TD STYLE="padding-right: 3pt; width: 9%; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2026</B></P></TD>
    <TD STYLE="padding-right: 3pt; width: 9%; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2027</B></P></TD>
    <TD STYLE="padding-right: 3pt; width: 9%; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2028 onwards</B></P></TD>
    <TD STYLE="padding-right: 3pt; width: 9%; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,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-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%"><B>As of December 31, 2022</B></FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Liabilities</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Borrowings and financing</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">3,640,245</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">3,740,510</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">3,790,915</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">3,503,169</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">3,821,448</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">13,422,829</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">31,919,116</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Trade payables and contractors</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">430,946</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">430,946</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Services payable</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">723,242</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">723,242</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">517,681</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">423,568</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">386,767</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">386,767</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">386,767</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">3,733,287</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">5,834,837</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">100,022</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,174</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,174</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,174</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,174</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">12,352</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">117,070</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">5,412,136</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,165,252</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,178,856</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,891,110</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,209,389</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">17,168,468</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">39,025,211</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Cross default</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Sensitivity analysis on interest rate risk</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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, 2022, or until the final settlement of each contract, whichever occurs first, considering
a probable scenario.</P>

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

<P STYLE="font: 10pt/110% Georgia,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: 72 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->71<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 44%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; border-bottom: black 0.5pt solid"><B>Indicators</B></P></TD>
    <TD STYLE="width: 28%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Assets</B></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">CDI</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,689,876</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">13.4200%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Financial income</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">226,781</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">CDI </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(9,251,150)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">13.4200%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,241,504)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
<!-- 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: 5.75pt; padding-left: 5.75pt">
<!-- 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="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">CDI net exposure</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(7,561,274)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,014,723)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">TR</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,635,587)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">0.0205%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(335)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">IPCA</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(3,073,435)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">5.3128%(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(163,285)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">TJLP</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,433,029)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">7.2000%(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(103,178)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">SOFR (***) </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(996,697)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">0.0491%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(489)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
<!-- 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="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total expenses to be incurred, net</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,282,010)</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: BACEN of December 31, 2022 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(**)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: B3 of December 31, 2022</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(***)&nbsp;&nbsp;&nbsp;Source: Bloomberg</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>5.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Capital management </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company&#8217;s objectives when managing capital are to ensure
its ability 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,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 48%; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 26%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 26%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>&nbsp;</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total borrowings and financing (Note 17)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18,958,671</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">17,723,836</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(-) Cash and cash equivalents (Note 7)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,867,485)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(717,929)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(-) Financial investments (Note 8)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">(1,677,873)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">(2,433,385)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Net debt</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,413,313</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">14,572,522</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total equity</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">27,333,533</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">24,931,859</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total (shareholders plus providers of capital)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">42,746,846</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">39,504,381</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Leverage ratio</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">36%</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">37%</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the leverage ratio fell to 36% compared
to the 37% reported on December 31, 2021, mainly due to the increase in equity, resulting from the income earned in the year ended December
31, 2022.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>5.3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Fair value estimates</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>5.4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Financial instruments</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The estimated fair values of the financial instruments are as
follows:</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Financial Assets</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 40%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Fair value</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
    <P STYLE="font: 9pt Georgia,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-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Cash and cash equivalents</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,867,485</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,867,485</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">717,929</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">717,929</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Financial investments</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,677,873</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,677,873</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,433,385</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,433,385</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Restricted cash</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">37,474</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">37,474</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">28,467</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">28,467</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,277,808</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,277,808</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,918,311</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,918,311</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;ANA </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,193</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,193</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">20,666</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">20,666</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Other assets </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">212,674</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">212,674</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">226,242</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">226,242</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Additionally, SABESP has financial assets receivable from related
parties, totaling R$ 1,156,743 as of December 31, 2022 (R$ 818,552 as of December 31, 2021), 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$ 1,060,040 (R$ 741,910 as of December 31, 2021), 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>


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<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Financial Liabilities</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 40%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Fair value</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Carrying amount</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 15%">
    <P STYLE="font: 9pt Georgia,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-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18,958,671</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">19,260,133</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">17,723,836</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">17,947,954</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Trade payables and contractors</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">430,946</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">430,946</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">236,763</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">236,763</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Services payable</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">723,242</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">723,242</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">469,027</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">469,027</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Program Contract Commitment</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">112,385</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">112,385</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">122,647</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">122,647</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,959,181</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,959,181</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,060,185</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,060,185</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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,serif; margin: 0 0 0 1cm; text-align: justify; text-indent: -19.85pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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&#8217;s shares traded in the Brazilian market.
</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Times New Roman,serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Financing &#8211; 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,serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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,serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(iv)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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,serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(v)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Agreements with IDB and IBRD were projected
until final maturity in origin currency, using the contracted interest rates plus SOFR&#8217;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, 2022. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 21.3pt; 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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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% Arial,sans-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,serif; font-size: 10pt">(vi)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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, 2022. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 21.3pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(vii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Lease and finance leases based on IFRS 16 correspond
to instruments valued at their carrying amount restated until the maturity date and are indexed by a fixed contractual rate. Thus, the
Company discloses the amount recorded as of December 31, 2022, as market value.</FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>6</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Key accounting estimates and judgments</B></FONT></TD></TR></TABLE>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>6.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Main judgments in applying the accounting
policies</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>6.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Main sources of uncertainties in the estimates</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Allowance for doubtful accounts</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 3.2 and 3.4.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Intangible assets arising from concession
agreements and program contracts</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 3.7.</P>

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

<P STYLE="font: 10pt/110% Georgia,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 3.9 and 15.</P>

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

<P STYLE="font: 10pt/110% Georgia,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>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Pension Plan Obligations &#8211; Pension
Plans</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company sponsors a defined benefit plan and defined contribution
plan, as described in Notes 3.19 and 22.</P>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;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>


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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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Deferred income tax and social contribution</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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 3.17 and 19.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(e)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Provisions </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The provisions for civil, labor, environmental, and tax risks
are created based on Notes 3.15 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(f)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Unbilled revenue</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 3.3 and 10.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>7</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Cash and cash equivalents</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 38%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 31%">
    <P STYLE="font: 9pt Georgia,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: 10pt; width: 31%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Cash and banks</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">139,844</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">146,853</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Cash equivalents</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,727,641</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">571,076</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,867,485</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">717,929</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the average yield of cash equivalents
corresponded to 95.69% of CDI (96.00% as of December 31, 2021).</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>8</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Financial investments</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 44%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 28%; padding-right: 7.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 28%; padding-right: 7.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Banco BV </FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">289,909</FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">262,465</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Banco Ita&uacute; Unibanco S/A </FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">403,732</FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">366,906</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Banco Bradesco S/A </FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">578,752</FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">524,791</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Banco BTG Pactual S/A </FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">404,363</FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">367,361</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Banco do Brasil S/A </FONT></TD>
    <TD STYLE="padding-right: 7.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,117</P></TD>
    <TD STYLE="padding-right: 7.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">911,862</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 7.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,677,873</P></TD>
    <TD STYLE="padding-right: 7.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,433,385</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0">As of December 31, 2022, the average yield of the financial investments corresponded to
102.90% of CDI (101.57% as of December 31, 2021).</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>9</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Restricted cash</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 27%">
    <P STYLE="font: 9pt Georgia,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: 10pt; width: 27%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Agreement with the S&atilde;o Paulo Municipal Government (i)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">30,231</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">21,464</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Brazilian Federal Savings Bank &#8211; escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">433</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">740</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6,810</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6,263</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">37,474</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">28,467</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia,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>


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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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>10</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Trade receivables </B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><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,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 48%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 26%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 26%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Private sector:</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">General (i) and special customers (ii)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,287,782</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,042,023</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">416,550</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">514,616</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,704,332</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,556,639</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Government entities:</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Municipal</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">609,731</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">586,810</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Federal</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">10,644</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">7,869</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">372,943</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">278,844</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">993,318</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">873,523</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Wholesale customers &#8211; Municipal governments: (iv)</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Mogi das Cruzes</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">4,048</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,580</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">S&atilde;o Caetano do Sul</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">45,367</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">24,464</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total wholesale customers &#8211; Municipal governments</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">49,415</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">28,044</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Unbilled supply</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">959,260</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">740,193</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">4,706,325</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">4,198,399</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,428,517)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,280,088)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,277,808</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,918,311</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,062,574</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,695,077</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">215,234</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">223,234</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,277,808</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,918,311</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->80<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm">(i)</TD><TD STYLE="text-align: justify">General customers - residential and small and mid-sized companies;</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia,serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm">(ii)</TD><TD STYLE="text-align: justify">Special customers &#8211; large consumers, commercial industries, condominiums, and special billing customers
(fixed demand agreements, industrial waste, wells, among others);</TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 10pt 1cm; text-align: justify; text-indent: -1cm">(iii) Agreements - installment
payments of past-due receivables, plus inflation adjustment and interest, according to the agreements; and</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 1cm; text-align: justify; text-indent: -1cm">(iv) 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.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><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,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 38%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 31%">
    <P STYLE="font: 9pt/110% Georgia,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: 10pt; width: 31%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,244,754</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,896,535</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Past-due:</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Up to 30 days</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">489,709</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">502,164</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">From 31 to 60 days</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">248,128</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">267,723</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">From 61 to 90 days</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">165,306</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">182,977</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">From 91 to 120 days</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">150,941</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">155,018</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">From 121 to 180 days</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">281,530</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">258,718</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">From 181 to 360 days</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">58,702</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">95,751</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Over 360 days</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,067,255</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">839,513</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total past-due</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,461,571</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,301,864</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,706,325</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,198,399</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 82 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->81<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><B>(c)</B></TD><TD STYLE="text-align: justify"><B>Allowance for doubtful accounts </B></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Changes in assets</B></FONT></TD>
    <TD STYLE="padding-right: 10pt; width: 24%">
    <P STYLE="font: 9pt/110% Georgia,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: 10pt; width: 24%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Balance at the beginning of the year</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,280,088</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,157,619</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Losses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">209,360</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">182,547</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Recoveries </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(60,931)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(60,078)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Balance at the end of the year</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,428,517</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,280,088</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 60%; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Reconciliation of estimated/historical losses at the result</B></FONT></TD>
    <TD STYLE="padding-right: 10pt; width: 20%">
    <P STYLE="font: 9pt/110% Georgia,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: 10pt; width: 20%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Write-offs</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(636,366)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(508,055)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(Losses)/reversal with state entities &#8211; related parties </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,738</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(13,206)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(Losses) with the private sector/government entities</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(209,360)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(182,547)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Recoveries</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">60,931</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">60,078</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Amount recorded as expense (Note 29)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(782,057)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(643,730)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="background-color: white">As of December 31, 2022,
the Company has judicial bonds issued in its favor in the inflation adjusted amount of R$ 2,807,318, which are not recognized in the Financial
Statements because of the difficulty to obtain a reasonable estimate to measure such assets, due to the uncertainties related to the beginning
and the end of the payments. Judicial bonds are recognized upon the beginning of their receipt or when they are traded.</FONT></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="background-color: white">
    <TD STYLE="width: 70%; padding-right: 10pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Debtor</B></P></TD>
    <TD STYLE="width: 30%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="background-color: white">
    <TD STYLE="padding-right: 10pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Municipality of S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,656,113</FONT></TD></TR>
  <TR STYLE="background-color: white">
    <TD STYLE="padding-right: 10pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Municipality of Cotia</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">103,729</FONT></TD></TR>
  <TR STYLE="background-color: white">
    <TD STYLE="padding-right: 10pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Municipality of Cachoeira Paulista</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">13,672</FONT></TD></TR>
  <TR STYLE="background-color: white">
    <TD STYLE="padding-right: 10pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">33,804</P></TD></TR>
  <TR STYLE="background-color: white">
    <TD STYLE="padding-right: 10pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">TOTAL</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">2,807,318</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->82<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>11</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Related-party balances and transactions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>S&atilde;o Paulo State</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Accounts receivable, interest on capital,
revenue, and expenses </B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 53%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 23%">
    <P STYLE="font: 9pt Georgia,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: 10pt; width: 24%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Accounts receivable</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Current:</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Sanitation services (ii)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">144,937</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">127,614</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Allowance for losses </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(49,595)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(52,333)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;- Monthly flow (iii) and (iv)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">13,376</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">11,930</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;- GESP Agreement &#8211; 2015 (vi)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">97,075</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">86,446</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total current</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">205,793</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">173,657</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Noncurrent:</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Agreement for the installment payment of sanitation services</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,361</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,361</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&#9;<FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;- GESP Agreement &#8211; 2015 (vi)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">949,589</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">643,534</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total noncurrent</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">950,950</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">644,895</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total receivables </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,156,743</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">818,552</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Assets:</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Sanitation services</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">96,703</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">76,642</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Reimbursement of additional retirement and pension benefits paid (G0)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,060,040</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">741,910</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,156,743</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">818,552</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Liabilities:</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest on capital payable </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">372,550</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">275,240</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 54%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 23%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 23%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Revenue from sanitation services</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">661,955</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">522,608</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Payments from related parties</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(632,501)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(439,349)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Payment received from reimbursement referring to Law 4,819/1958</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(186,690)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(179,787)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(ii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Sanitation services</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(iii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Reimbursement of additional retirement and
pension benefits paid </B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As explained in item (iv), the S&atilde;o Paulo State&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">See additional information about the G0 plan in Note 22 (ii).</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As a result of a court decision, SABESP is responsible for the
payments.</P>


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<TD STYLE="width: 0"></TD><TD STYLE="width: 64.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(iv)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Disputed amounts</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On 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 fourth 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, but paid by SABESP because of a court decision.</P>

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

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

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

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

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, 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$&nbsp;1,482,140
and R$&nbsp;1,375,137, respectively, for which allowances for doubtful accounts were created for the total amount.</P>

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



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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(v)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Actuarial Liability</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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, 2022
and 2021, the amounts corresponding to such actuarial liability were R$&nbsp;2,002,075 and R$&nbsp;2,192,062, respectively. For detailed
information on additional retirement and pension benefits, see Note 22.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(vi)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>GESP Agreement &#8211; 2015</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The principal will be paid in 180 installments, as follows:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The amount of R$ 609, 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,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">In July 2022, R$&nbsp;325,561 referring to the adjustment for
inflation until July 2022 was recorded at present value.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the balance receivable was R$&nbsp;97,075
in current assets (R$&nbsp;86,446 as of December 31, 2021) and R$&nbsp;949,589 in noncurrent assets (R$&nbsp;643,534 as of December 31,
2021).</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Use of Reservoirs &#8211; EMAE</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the balance of the agreement totaled
R$ 8,456 and R$ 95,033 (R$ 7,956 and R$ 88,264 as of December 31, 2021), recorded in Other liabilities, under current and noncurrent liabilities,
respectively. R$&nbsp;8,963 was paid in 2022.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Agreements with reduced tariffs for State
Entities that join the Rational Water Use Program (PURA) </B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Guarantees</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The S&atilde;o Paulo State provides guarantees for some of the
Company&#8217;s borrowings and financing and does not charge any related fees. See Note 17.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(e)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Personnel assignment agreement among entities
related to the S&atilde;o Paulo State Government</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">In 2022, expenses with employees assigned to other state entities
totaled R$&nbsp;800 (R$&nbsp;734 in 2021).</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">No expenses with employees from other entities assigned to the
Company were recorded in 2022 and 2021.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(f)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Non-operating assets</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, the Company&#8217;s land and
lent structures totaled R$ 3,613.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(g)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>SABESPREV </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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, 2022, totaled R$ 148,116 (R$ 129,600
as of December 31, 2021). See Note 22.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(h)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Compensation of the Fiscal Council and Management
Key Personnel </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217; Meeting, as per article 152 of Brazilian
Corporation Law.</P>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;s Novo Mercado segment, controlled by the State, must be prepared
by the Board of Directors under the Company&#8217;s Bylaws, within the scope of the Institutional Compensation Policy and submitted for
approval of the Annual Shareholders&#8217; Meeting.</P>

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

<P STYLE="font: 10pt/110% Georgia,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
in December of each year. The purpose of this reward is to define a compensation similar to the Christmas bonus paid to the Company&#8217;s
registered employees, given that the relationship of Management with the Company has a statutory nature.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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$&nbsp;6,175 and R$&nbsp;6,369 in 2022 and 2021, respectively.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Additional amounts of R$&nbsp;1,305 and R$&nbsp;1,440, referring
to the executive officers&#8217; bonus program, were recorded in 2022 and 2021, respectively.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Loan agreement through credit facility</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Aquapolo Ambiental</B></P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the balance of principal and interest
of this agreement totaled R$ 12,953 recorded in current assets under &#8220;Other assets&#8221; (R$ 11,884 and R$ 11,021, respectively,
as of December 31, 2021, recorded in current and noncurrent assets under &#8220;Other assets&#8221;, respectively), at CDI + 1.2% p.a.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>&Aacute;guas de Andradina</B></P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the balance of principal and interest
of this agreement totaled R$ 242 and R$ 2,814, which was recorded in &#8220;Other assets&#8221; under current and noncurrent assets (R$
34 and R$ 1,009, respectively, as of December 31, 2021), at CDI + 3% p.a.</P>

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

<P STYLE="font: 10pt/110% Georgia,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>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(j)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>FEHIDRO</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 corresponding to the grace period, and 41
months to amortization.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the balance of these financings totaled
R$ 5.1 million (R$ 4.7 million as of December 31, 2021).</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>12</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Investments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company holds interest in certain Special Purpose Entities
(SPE). Although SABESP has no majority shares of its investees, the shareholders&#8217; 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 &#8211; CPC 19 (R2)).</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in">(a)</TD><TD STYLE="text-align: justify"><U>Sesamm</U></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On August 15, 2008, Sesamm &#8211; 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The operations initiated in June 2012.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in">(b)</TD><TD STYLE="text-align: justify"><U>&Aacute;guas de Andradina</U></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;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/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The operations initiated in October 2010.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(c)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><U>&Aacute;guas de Castilho</U></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The operations initiated in January 2011.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in">(d)</TD><TD STYLE="text-align: justify"><U>Attend Ambiental</U></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The operations initiated in December 2014.</P>

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


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in">(e)</TD><TD STYLE="text-align: justify"><U>Aquapolo Ambiental</U></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;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>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The operations initiated in October 2012.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(f)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><U>Paulista Geradora de Energia</U></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;s share capital was
R$&nbsp;13,756, divided into 8,679,040 registered common shares with no par value, of which SABESP holds an interest of 25%, Servtec 37.5%,
and Tecniplan 37.5%. In October 2022, a capital increase totaling R$&nbsp;20,310 was approved, R$ 5,077 of which, or 25% of the aforementioned
amount, was fully paid by the Company in 2022. The capital of R$&nbsp;15,233 will be paid by Servtec and Tecniplan in 2023.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, operations had not initiated yet.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in">(g)</TD><TD STYLE="text-align: justify"><U>Cantareira SP Energia</U></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, operations had not initiated yet.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in">(h)</TD><TD STYLE="text-align: justify"><U>FOXX URE-BA Ambiental S/A</U></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;s share capital, corresponding to R$&nbsp;13,852. The difference
paid, of R$&nbsp;26,148, was recorded in intangible assets under &#8220;Right of use &#8211; Investments&#8221;. 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><U>Infranext Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o
S/A</U></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On December 7, 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the company&#8217;s share capital was
R$&nbsp;7,050, divided into 7,050,000 registered common shares with no par value. The company&#8217;s total share capital will be R$&nbsp;12,000,
divided into 12,000,000 registered, book-entry common shares, of which SABESP will hold an interest of 45% and DVS &#8211; Loca&ccedil;&atilde;o
de Equipamentos Ltda. will hold an interest of 55%. The unpaid capital, totaling R$ 4,950, will be paid by SABESP in 2023.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, operations had not initiated yet.</P>

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



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<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Below is a summary of the investees&#8217; financial statements
in which SABESP holds equity interest valued by equity accounting:</P>

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



<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>Equity</B></P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 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: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>Dividends distributed</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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="width: 28%; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0.2pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Sesamm</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">59,371</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">58,421</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(13,875)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">14,825</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">9,059</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">&Aacute;guas de Andradina</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">30,777</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">29,591</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,186</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,424</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">10,787</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">9,384</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,403</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,428</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Attend Ambiental</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">29,729</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">23,493</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(1,941)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">8,177</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">4,701</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">73,926</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">58,172</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(14,742)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">30,496</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">25,269</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Paulista Geradora de Energia (*)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">10,486</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">6,153</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">5,077</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(744)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(539)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Cantareira SP Energia</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,000</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,000</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">FOXX URE-BA Ambiental</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">69,258</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">69,258</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Infranext Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o (**)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">7,050</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">7,050</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">(*) SABESP contributed R$&nbsp;5,077, corresponding to
25% of the interest. As of December 31, 2022, Servitec and Tecniplan had an outstanding payable amount of R$&nbsp;15,233 related to the
remaining interest of 75% in PGE.</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">(**) Infranext&#8217;s share capital will be R$&nbsp;12,000.
As of December 31, 2022, SABESP had an outstanding payable amount of R$&nbsp;4,950.</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="padding-top: 1pt; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>Investments</B></P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>Contribution</B></P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>Dividends distributed</B></P></TD>
    <TD COLSPAN="2" STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>Equity in the earnings
    of subsidiaries</B></P></TD>
    <TD COLSPAN="2" STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>Interest percentage</B></P></TD></TR>
  <TR>
    <TD STYLE="width: 12%; padding-top: 1pt; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 17%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Sesamm</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">21,374</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">21,032</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(4,995)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,337</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,261</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">36%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">36%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&Aacute;guas de Andradina </FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">9,233</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">8,877</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">356</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">700</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">30%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,236</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,815</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">421</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">433</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">30%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Attend Ambiental</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">13,379</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">10,572</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(873)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,680</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,438</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">36,223</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">28,504</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(7,224)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">14,943</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12,382</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">49%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Paulista Geradora de Energia</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6,429</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,538</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,077</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(186)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(135)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">25%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">25%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Cantareira SP Energia</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">490</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">490</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">49%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">FOXX URE-BA Ambiental</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">13,852</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">13,852</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">20%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Infranext Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,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,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,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,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,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,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45%</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">104,666</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">73,338</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">19,869</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(13,092)</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">24,551</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">22,079</FONT></TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt">Other investments</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6,099</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6,099</P></TD>
    <TD STYLE="vertical-align: top; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt">Overall total</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: black 0.75pt solid">110,765</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: black 0.75pt solid">79,437</P></TD>
    <TD STYLE="vertical-align: top; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>13</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Investment Properties</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 32%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 18%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 16%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="width: 16%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 18%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">46,126</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">648</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(48)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">46,726</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 96 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->95<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 32%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 18%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="width: 16%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Transfer</B></P></TD>
    <TD STYLE="width: 16%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 18%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">46,274</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(100)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(48)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">46,126</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, the market value of these properties
was approximately R$ 386,000.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>14</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Contract asset</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 24%; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 15%">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Additions (i)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 15%">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%">
    <P STYLE="font: 8pt/110% Georgia,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; width: 15%">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022 (iii)</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Total contract asset</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">8,550,102</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">5,240,528</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,702</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(5,179,364)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">8,613,968</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 24%; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 15%">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 15%">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%">
    <P STYLE="font: 8pt/110% Georgia,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; width: 15%">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Total contract asset</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">7,969,164</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,759,789</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,412</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(4,181,263)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">8,550,102</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The largest additions of the period are located
in the municipalities of S&atilde;o Paulo, S&atilde;o Bernardo do Campo, and Praia Grande, totaling R$ 2,267 million, R$ 181 million,
and R$ 134 million, respectively. </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The largest transfers of the period are located
in the municipalities of S&atilde;o Paulo, Praia Grande, and S&atilde;o Bernardo do Campo, totaling R$ 2,640 million, R$ 619 million,
and R$ 324 million, respectively.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The largest works are located in the municipalities
of S&atilde;o Paulo, Franca, and S&atilde;o Bernardo do Campo, totaling R$ 2,830 million, R$ 324 million, and R$ 262 million, respectively.</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, the contract asset included
R$ 276,893, recorded as a lease. Leases are part of construction costs and, since June 2020, additional works are being executed by the
Company.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Capitalization of interest and other finance
charges</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company capitalizes interest, inflation adjustment, and exchange
variation in the contract asset during the construction period. In 2022 and 2021, the Company capitalized R$&nbsp;622,803 and R$&nbsp;300,792,
respectively.</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Construction margin</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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 2022 and 2021, the margin was 2.3%.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">In 2022 and 2021, the construction margins were R$ 109,369 and
R$ 98,402, respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Expropriations </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As a result of the construction of priority projects related
to water and sewage systems, the Company was required to expropriate third-party properties, whose owners will be compensated either amicably
or through court.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The costs of such expropriations are recorded in the contract
asset during the execution of the works. In 2022 and 2021, expropriations totaled R$&nbsp;62,599 and R$ 67,714, respectively.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>15</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Intangible assets</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 39%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,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; width: 10%; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,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; width: 10%; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,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-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Intangible right arising from:</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Concession agreements &#8211; equity value</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">722,730</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(223,404)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">499,326</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">696,728</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(205,671)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">491,057</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Concession agreements &#8211; economic value </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,585,271</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(933,232)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">652,039</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,497,968</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(816,527)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">681,441</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Program contracts </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">26,875,408</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(8,537,949)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">18,337,459</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">24,804,170</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(7,652,149)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">17,152,021</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Program contracts &#8211; commitments </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,709,757</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(444,765)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,264,992</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,709,757</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(391,800)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,317,957</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Service contracts &#8211; S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">25,584,703</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(7,714,252)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">17,870,451</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">22,834,803</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(6,676,032)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">16,158,771</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Software license of use</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,249,881</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(654,477)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">595,404</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,133,833</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(535,099)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">598,734</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">170,921</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(95,869)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">75,052</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">173,715</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(69,862)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">103,853</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Right of use &#8211; Investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">26,148</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">26,148</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">57,924,819</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(18,603,948)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">39,320,871</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">52,850,974</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(16,347,140)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">36,503,834</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 22%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,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,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Transfers </B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,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,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">
    <P STYLE="font: 7pt Georgia,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="vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Intangible right arising from: </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Concession agreements &#8211; equity value (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">491,057</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">27,166</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(144)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(115)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(18,638)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">499,326</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Concession agreements &#8211; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">681,441</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">13</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">48,428</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">33,576</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(9)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(111,410)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">652,039</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Program contracts (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">17,152,021</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">6,635</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">2,132,675</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">2,944</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(2,800)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(954,016)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">18,337,459</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Program contracts &#8211; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">1,317,957</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(52,965)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">1,264,992</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Service contracts &#8211; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">16,158,771</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">208</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">2,855,284</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(41,133)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(6,063)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(1,096,616)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">17,870,451</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Software license of use </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">598,734</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">214</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">115,811</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">6</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(119,361)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">595,404</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">103,853</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">42,182</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(67)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(70,916)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">75,052</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Right of use &#8211; Investments</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,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,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,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,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,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,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,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: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">36,503,834</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">75,400</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">5,179,364</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(4,751)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(9,054)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,423,922)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">39,320,871</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">(*) As of December 31, 2022, the lines Concession agreements
&#8211; equity value and Program contracts included leases in the amounts of R$ 54,356 and R$ 168,216, respectively.</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 22%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,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,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Transfers </B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,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,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">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Intangible right arising from: </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Concession agreements &#8211; equity value (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">483,775</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">24,656</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">467</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(148)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(17,693)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">491,057</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Concession agreements &#8211; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">734,665</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">52,275</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(14)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(242)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(105,243)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">681,441</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Program contracts (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">16,360,307</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">17,690</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">1,640,733</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">13,744</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(8,840)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(871,613)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">17,152,021</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Program contracts &#8211; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">1,370,923</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(52,966)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">1,317,957</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Service contracts &#8211; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">14,872,604</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">14,950</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">2,307,851</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(13,827)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(13,745)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(1,009,062)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">16,158,771</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Software license of use </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">540,625</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">155,748</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">(97,639)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">598,734</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">42,676</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">140,321</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,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,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,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(4,103)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(75,041)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">103,853</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">34,405,575</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">172,961</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,181,263</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">370</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(27,078)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,229,257)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">36,503,834</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">(*) As of December 31, 2021, Concession agreements &#8211; equity
value and Program contracts included leases in the amounts of R$ 65,012 and R$ 180,669, respectively.</P>

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


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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Intangible arising from concession agreements</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/105% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/105% Georgia,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 3.9 (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 Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, the Company operated in 375
municipalities in the S&atilde;o Paulo State. 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 Georgia,serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Intangible rights arising from concession agreements include:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 71.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Concession agreements &#8211; equity value</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217; useful life.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 71.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Concession agreements &#8211; economic value</FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,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, 2022 and 2021, there were no pending amounts related to these
payments to the municipalities.</P>

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

<P STYLE="font: 10pt/110% Georgia,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>


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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 71.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Program contracts </FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217; 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 Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 71.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(iv)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Program contracts &#8211; commitments</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 (mostly, 30 years).</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the amounts not yet disbursed were recorded
in &#8220;Program contract commitments&#8221; under current and noncurrent liabilities, totaling R$&nbsp;100,188 and R$&nbsp;12,197 (R$&nbsp;77,652
and R$&nbsp;44,995 as of December 31, 2021), respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 71.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">(v)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Service contracts &#8211; Municipality of S&atilde;o
Paulo </FONT></TD></TR></TABLE>

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

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

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

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

<P STYLE="font: 10pt/110% Georgia,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>

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;s operations in the metropolitan region of S&atilde;o Paulo;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">4. All operating costs, taxes, investments, and the opportunity
cost of SABESP&#8217;s investors and creditors were considered in the cash flow analysis;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">5. The agreement provides for investments corresponding to 13%
of gross revenue from services provided in the</P>


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<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Municipality of S&atilde;o Paulo, net of Cofins and Pasep
taxes. Investment plans referring to SABESP&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">6. The amount transferred to the Municipal Fund for Environmental
Sanitation and Infrastructure 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 in the period, recognized in profit or loss as operating cost.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">7. The opportunity cost of SABESP&#8217;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; and</P>

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

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

<P STYLE="font: 10pt/110% Georgia,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 6 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>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On April 18, 2014, ARSESP published Resolution 484 with the final
result of SABESP&#8217;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/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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 passing-on on 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 passed-on to the tariffs of the tariff cycle ended in April 2021.</P>


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<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Municipal Government of S&atilde;o Paulo 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. The municipality required the suspension of the lawsuit and
SABESP has not yet been summoned.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, the agreement entered into
with the Municipality of S&atilde;o Paulo accounted for 44.45%, respectively, of the Company&#8217;s sanitation revenue, which ensures
legal and property security to SABESP.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Public-Private Partnership - PPP</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><U>Alto Tiet&ecirc; Production System </U></P>

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

<P STYLE="font: 10pt/110% Georgia,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
&#8211; Cab Ambiental, signed the contracts of the Public-Private Partnership of the Alto Tiet&ecirc; production system.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The service contract is valid for 15 years and has the purpose
of expanding the capacity of the Taia&ccedil;upeba Water Treatment Station, from 10 thousand to 15 thousand liters per second. The operation
started in October 2011.</P>

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

<P STYLE="font: 10pt/110% Georgia,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$ 14,299, corresponding to monthly remuneration. This amount
is annually adjusted by the IPC &#8211; 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,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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>


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<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><U>S&atilde;o Louren&ccedil;o Production System</U></P>

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

<P STYLE="font: 10pt/110% Georgia,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.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,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) the provision of services for 25 years, 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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>

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

<P STYLE="font: 10pt/110% Georgia,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$ 40,024,
corresponding to monthly remuneration plus any interests and charges. This amount is annually adjusted by the IPC &#8211; 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,serif; margin: 0">&nbsp;</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Intangible assets were accrued based on the physical evolution
of the works, with the Public-Private Partnership accounts being the corresponding entries in liabilities.</P>

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

<P STYLE="font: 10pt/110% Georgia,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 7.80% p.a., respectively, for the calculation of the present
value adjustment.</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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->103<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify">The amounts recorded in intangible assets are as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="vertical-align: top; width: 44%; padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 28%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 28%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">251,545</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">269,062</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,725,900</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,895,798</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">2,977,445</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">3,164,860</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The obligations assumed by the Company are as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 14%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Current liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Noncurrent liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Total liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Current liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: black 0.5pt solid"><B>Noncurrent liabilities</B></P></TD>
    <TD STYLE="width: 16%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">91,782</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">36,645</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">128,427</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">69,442</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">102,873</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">172,315</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">130,631</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,700,123</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,830,754</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">73,315</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,814,555</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,887,870</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">222,413</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,736,768</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,959,181</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">142,757</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,917,428</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,060,185</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(e)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Amortization of Intangible Assets</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The average amortization rate totaled 5.2% and 4.9% as of December
31, 2022 and 2021, respectively.</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(f)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Right of use</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 62%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; border-bottom: black 0.5pt solid"><B>Nature</B></P></TD>
    <TD STYLE="width: 19%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 19%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Leases - Contract asset</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">276,893</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Leases - Concession and Program Contract</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">405,431</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">405,446</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(182,859)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(159,765)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">222,572</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">245,681</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other assets (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Vehicles</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">153,384</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">142,003</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Properties</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">11,711</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">6,570</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equipment</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">5,826</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">9,841</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">15,301</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(95,869)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(69,862)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">75,052</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">103,853</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</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>
    <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="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Right of use</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">574,517</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">626,427</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">(*) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;From January to
December 2022, costs and accumulated amortization totaling R$ 44,976 (R$ 108,406 from January to December 2021), referring to expired
rights of use, were written off.</P>

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

<P STYLE="font: 10pt/110% Georgia,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>


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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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->105<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify">The table below shows the impact on the Company&#8217;s result:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,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; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Right of use amortization</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(105,551)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(75,041)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Financial result &#8211; interest expense and inflation adjustment</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(72,050)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(68,730)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">(25,365)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">(22,467)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">(202,966)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0; text-align: right; border-bottom: black 0.5pt solid">(166,238)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(g)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Performance Agreements</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia,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&#8217;s cost, as it has better performance and, consequently, generates additional future economic benefits for the
Company.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the accounting balances of the agreements
recorded in contract asset and intangible assets were R$ 138,550 and R$ 2,126,106 (R$ 737,657 and R$ 871,488 as of December 31, 2021),
respectively.</P>

<P STYLE="font: 10pt Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>16</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Property, plant and equipment </B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="4" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="4" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; width: 24%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 8%; padding-left: 5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 11%; padding-left: 5pt">
    <P STYLE="font: 7pt/110% Georgia,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; vertical-align: bottom; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt/110% Georgia,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%; padding-left: 5pt">
    <P STYLE="font: 7pt/110% Georgia,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; vertical-align: bottom; width: 8%; padding-left: 5pt">
    <P STYLE="font: 7pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 11%; padding-left: 5pt">
    <P STYLE="font: 7pt/110% Georgia,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; vertical-align: bottom; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt/110% Georgia,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%; padding-left: 5pt">
    <P STYLE="font: 7pt/110% Georgia,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="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Land</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">94,228</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">94,228</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">94,213</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">94,213</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Buildings</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">90,311</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(42,343)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">47,968</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2.1%</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">86,703</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(41,205)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">45,498</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2.1%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Equipment</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">412,828</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(291,963)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">120,865</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">15.3%</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">397,782</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(282,628)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">115,154</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">15.1%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Transportation equipment</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">12,578</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(10,083)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,495</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">9.9%</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">10,434</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(7,962)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,472</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">9.9%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">38,528</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(15,032)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">23,496</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">6.7%</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">36,561</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(14,482)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">22,079</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">6.7%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">50,189</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(302)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">49,887</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">5.0%</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">11,982</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(241)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">11,741</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,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="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">698,662</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(359,723)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">338,939</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">11.2%</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">637,675</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(346,518)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">291,157</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">11.1%</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 28%; padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,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%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,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; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
<DIV STYLE="border-bottom: black 0.5pt solid; padding: 0cm 0cm 1pt; margin-left: 0cm">

    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Land</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">94,213</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">15</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">94,228</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,498</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,657</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(976)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(45)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,166)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">47,968</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Equipment</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">115,154</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">27,849</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,988</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(781)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(23,345)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">120,865</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Transportation equipment</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,472</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">175</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">658</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(3)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(807)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,495</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">22,079</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,646</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">394</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(149)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,474)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">23,496</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">11,741</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">38,341</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(30)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(78)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(87)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,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="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">291,157</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">73,668</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,049</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,056)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(26,879)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">338,939</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 108 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->107<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 28%; padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,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; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
<DIV STYLE="border-bottom: black 0.5pt solid; padding: 0cm 0cm 1pt; margin-left: 0cm">

    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Land</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">94,213</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">94,213</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,347</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,181</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,965)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(5)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,060)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,498</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Equipment</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">101,016</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">38,807</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(3,398)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(365)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(20,906)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">115,154</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Transportation equipment</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,969</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">97</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">69</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(663)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,472</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">17,419</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,477</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,647</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(206)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,258)</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">22,079</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">7,287</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,719</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">865</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(130)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">11,741</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">268,251</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">50,281</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,782)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(576)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(24,017)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">291,157</P></TD></TR>
  </TABLE>


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


<!-- Field: Page; Sequence: 109 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->108<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>17</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Borrowings and financing</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify; text-indent: -35.45pt"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><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: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 53%; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Financial institution</B></FONT></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>Total</B></P>
</DIV></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>Total</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Local currency</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;12th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">45,450</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">67,681</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">113,131</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">45,450</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">113,049</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">158,499</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;14th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">25,388</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">25,388</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;17th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">144,632</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">144,632</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">102,252</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">101,982</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">204,234</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;18th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">49,937</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">45,649</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">95,586</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">48,479</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">92,677</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">141,156</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;21st issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">174,849</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">174,849</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;22nd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">199,901</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">326,433</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">526,334</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">200,000</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">508,530</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">708,530</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;23rd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">864,910</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">864,910</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">864,776</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">864,776</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;24th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">488,478</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">488,478</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">461,350</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">461,350</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;26th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,239,645</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,239,645</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,168,317</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,168,317</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;27th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">299,614</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">698,339</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">997,953</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">997,433</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">997,433</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;28th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,197,756</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,197,756</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,197,395</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,197,395</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;29th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,275,295</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,275,295</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,230,602</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,230,602</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;30th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">998,110</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">998,110</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">99,767</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,422,145</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,521,912</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">98,784</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,380,170</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,478,954</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Brazilian Development Bank - BNDES PAC</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">6,736</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">6,736</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">13,394</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">6,665</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">20,059</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Brazilian Development Bank - BNDES PAC II 9751</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">7,214</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">23,344</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">30,558</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">7,161</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">30,308</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">37,469</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Brazilian Development Bank - BNDES PAC II 9752</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">4,887</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">15,884</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">20,771</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">4,851</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">20,619</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">25,470</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Brazilian Development Bank - BNDES ONDA LIMPA</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">26,949</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">33,617</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">60,566</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">26,751</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">60,089</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">86,840</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Brazilian Development Bank &#8211; BNDES TIET&Ecirc; III</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">154,437</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">656,264</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">810,701</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">117,593</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">617,251</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">734,844</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Brazilian Development Bank - BNDES 2015</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">33,807</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">390,127</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">423,934</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">33,558</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">420,685</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">454,243</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Brazilian Development Bank - BNDES 2014</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">6,572</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">16,525</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">23,097</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">6,524</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">22,874</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">29,398</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Inter-American Development Bank &#8211; IDB 2202 </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">2,164,009</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">2,345,358</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">2,344,403</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">2,525,752</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Inter-American Development Bank &#8211; IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">37,340</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">853,725</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">891,065</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">34,800</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">890,400</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">925,200</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Inter-American Development Bank &#8211; IDB Invest 2022</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">14,100</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">452,085</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">466,185</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;International Finance Corporation - IFC</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">80,000</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">670,996</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">750,996</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">44,453</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">313,391</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">357,844</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">36,640</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">360,671</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">397,311</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">72,109</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">29,265</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">101,374</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">69,306</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">56,663</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">125,969</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Other</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">6,241</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">5,867</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">12,108</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">4,790</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">9,274</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">14,064</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Interest and other charges</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">417,878</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">417,878</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">239,581</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">239,581</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.3pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Total in local currency</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">1,933,373</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">14,249,540</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; 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: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">1,471,500</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">12,956,183</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">14,427,683</P></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial,sans-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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->109<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&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: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 53%; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Financial institution</B></FONT></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>Total</B></P>
</DIV></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: center"><B>Total</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Foreign currency</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Inter-American Development Bank - IDB 1212 &#8211; US$ 30,834 thousand (US$ 41,112 thousand in December 2021)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">53,628</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">107,256</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">160,884</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">57,357</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">172,071</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">229,428</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Inter-American Development Bank - IDB 4623 &#8211; US$ 74,299 thousand (US$ 30,329 thousand in December 2021)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">367,441</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">367,441</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">155,192</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">155,192</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;International Bank for Reconstruction and Development (IBRD) &#8211; IBRDs 7662 and 8916 - US$ 78,197 thousand (US$ 76,712 thousand in December 2021)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">31,722</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">365,648</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">397,370</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">33,927</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">386,328</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">420,255</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;JICA 15 &#8211; &yen; 8,067,010 thousand (&yen; 9,219,440 thousand in December 2021)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">45,602</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">273,610</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">319,212</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">55,858</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">391,008</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">446,866</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;JICA 18 &#8211; &yen; 7,253,120 thousand (&yen; 8,289,280 thousand in December 2021)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">41,001</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">245,865</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">286,866</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">50,223</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">351,398</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">401,621</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;JICA 17 &#8211; &yen; 3,753,048 thousand (&yen; 3,706,564 thousand in December 2021)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">11,424</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">136,227</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">147,651</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">12,833</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">165,900</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">178,733</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;JICA 19 &#8211; &yen; 26,296,011 thousand (&yen; 28,109,529 thousand in December 2021)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">71,761</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">967,124</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,038,885</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">87,901</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,272,803</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">1,360,704</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;IDB 1983AB &#8211; US$ 7,692 thousand (US$ 15,385 thousand in December 2021)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">39,962</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">39,962</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">42,927</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">42,336</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">85,263</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&nbsp;Interest and other charges</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">17,487</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">17,487</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">18,091</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,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: 8.5pt Georgia,serif; margin: 0 0 0.1pt; text-align: right; border-bottom: black 0.5pt solid">18,091</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.3pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Total in foreign currency</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">312,587</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">2,463,171</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; 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: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">359,117</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">2,937,036</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">3,296,153</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Total borrowings and financing</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">2,245,960</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">16,712,711</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">18,958,671</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">1,830,617</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">15,893,219</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">17,723,836</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 0.1pt">Exchange rate as of December 31, 2022: US$ 5.2177; &yen;&nbsp;0.03957 (as of December
    31, 2021: US$ 5.5805; &yen; 0.04847).</P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 0.1pt">As of December 31, 2021, 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="padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->110<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Local currency</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,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: 7.5pt Georgia,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: 7.5pt Georgia,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: 7.5pt Georgia,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; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">12th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TR + 9.5% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">14th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2022</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TJLP + 1.92 % (series 1 and 3) and 9.19% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">IPCA (series 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">17th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2023</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">CDI + 0.75% (series 1) and 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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">18th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2024</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">IPCA (series 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">21st issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2022</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">CDI + 0.60% (series 1) and CDI+ 0.90% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">22nd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">CDI + 0.58% (series 1) and 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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">IPCA (series 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">23rd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">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; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">24th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2029</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">26th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2030</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">27th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">CDI + 1.60% (series 1) and 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; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">28th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2028</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: right">CDI + 1.20% (series 1), CDI+ 1.44% (series 2), and</P>
    <P STYLE="font: 7.5pt Georgia,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; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">29th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2036</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: right">CDI + 1.29% (series 1), 5.3058% (series 2), and</P>
    <P STYLE="font: 7.5pt Georgia,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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">30th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2029</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">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; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2023/2042</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">5% to 9.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TR</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Brazilian Development Bank - BNDES PAC</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2023</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TJLP + 1.82% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Brazilian Development Bank - BNDES PAC II 9751</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Brazilian Development Bank - BNDES PAC II 9752</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Brazilian Development Bank - BNDES ONDA LIMPA</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TJLP + 1.92% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Brazilian Development Bank &#8211; BNDES TIET&Ecirc; III</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2028</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TJLP + 1.66% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Brazilian Development Bank - BNDES 2015</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TJLP + 2.18% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Brazilian Development Bank - BNDES 2014</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2026</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">TJLP + 1.76%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Inter-American Development Bank &#8211; IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">CDI + 0.86%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Inter-American Development Bank &#8211; IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2034</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">CDI+ 1.90% and CDI 2.70%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Inter-American Development Bank &#8211; IDB Invest 2022</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2036</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">CDI + 2.50%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">International Finance Corporation - IFC </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2032</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">CDI + 2.00%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">7.73% to 10.12% </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">IPC</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">5.20% to 15.39%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">3% (FEHIDRO) TJLP + 1.5% (FINEP)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Foreign currency</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,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,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,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,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; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Inter-American Development Bank - IDB 1212 </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#8211; US$ 30,834 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3.31% (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Inter-American Development Bank - IDB 4623 &#8211; US$ 74,299 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2044</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1.12% (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">International Bank for Reconstruction and Development (IBRD) &#8211; </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">IBRDs 7662 and 8916 - US$ 78,197 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2034</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2.85% (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">JICA 15 </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#8211; &yen; 8,067,010 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">JICA 18 </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#8211; &yen; 7,253,120 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">JICA 17 </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#8211; &yen; 3,753,048 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">JICA 19 </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#8211; &yen; 26,296,011 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2037</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB 1983AB </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#8211; US$ 7,692 thousand</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2023</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2.08% to 2.38% (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">US$</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">(*) Rates comprising SOFR + contractually defined spread.</P>

<P STYLE="font: 10pt/110% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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 Georgia,serif; margin: 0">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payment schedule &#8211; accounting balances
as of December 31, 2022</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 28%; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 0.2pt; 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: 7pt Georgia,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,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,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,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,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,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>2029 to 2044 </B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">739,534</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,072,853</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,203,451</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,082,322</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,700,765</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">644,748</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,498,157</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,941,830</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">99,767</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">99,270</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">105,476</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">112,071</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">119,068</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">126,371</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">859,889</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,521,912</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">240,602</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">233,867</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">213,586</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">203,726</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">191,168</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">72,322</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">221,092</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,376,363</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,257,264</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,345,358</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">37,340</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">39,550</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">44,300</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">106,390</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">108,728</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">143,591</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">411,166</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">891,065</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB INVEST 2022</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">14,100</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">14,100</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">38,275</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">38,431</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">38,431</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">38,431</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">284,417</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">466,185</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IFC</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">80,000</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">80,000</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">80,000</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">80,000</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">80,000</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">80,000</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">270,996</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">750,996</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Leases </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">44,453</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">46,638</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,839</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">30,769</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">33,767</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">33,968</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">122,410</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">357,844</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">72,109</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">15,580</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">9,248</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,972</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">465</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">101,374</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6,241</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,979</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,746</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">142</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12,108</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">417,878</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">417,878</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,933,373</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,786,186</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,924,270</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,839,172</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,453,741</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,320,780</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">4,925,391</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">16,182,913</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">53,628</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">53,628</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">63,830</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">20,403</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">20,403</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">20,403</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">296,030</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">528,325</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">31,722</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">31,722</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">31,722</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">31,722</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">31,722</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">31,722</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">207,038</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">397,370</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">169,788</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">169,787</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">169,787</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">169,787</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">169,787</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">169,787</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">773,891</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,792,614</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">39,962</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">39,962</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">17,487</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">17,487</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">312,587</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">255,137</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">265,339</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">221,912</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">221,912</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">221,912</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,276,959</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,775,758</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,245,960</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,041,323</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,189,609</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,061,084</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,675,653</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,542,692</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">6,202,350</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">18,958,671</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 114 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->113<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0">(II)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Changes</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 26%; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Interest paid</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Expenses with borrowing
    costs </B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,467,968</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,000,000</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(4,320)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">165,879</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(712,966)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(563,504)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">544,116</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">257,951</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">11,242</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">8,166,366</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,483,113</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">119,437</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">17,247</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,131</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(117,041)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(100,855)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">80,422</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">36,731</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,526,185</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,392,844</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">200,000</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,020</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,117</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(104,596)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(222,353)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">67,311</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">37,391</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">259</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,380,993</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,589,442</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(281,971)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(181,349)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">98,574</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">224,899</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">955</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,450,550</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">956,942</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(108,921)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(34,800)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">129,733</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">665</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">943,619</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IFC</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">760,000</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(9,385)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(24,978)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">48,507</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">381</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">774,525</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB INVEST 2202</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">470,000</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(3,922)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(30,698)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">33,840</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">107</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">469,327</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">397,311</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(54,390)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(39,467)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">54,390</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">357,844</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">125,969</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">42,182</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(17,659)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(84,437)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">35,319</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">101,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">3,654</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">56</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(789)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(5,669)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">748</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">34</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; 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: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">42,182</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,553,091</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(17,627)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">190,202</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">10,250</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(1,454,009)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(1,232,434)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,044,453</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">605,513</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">13,609</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; 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-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">387,837</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">226,497</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(6,732)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(20,355)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(12,581)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(56,273)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">13,733</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">567</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">532,693</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">420,881</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">39,417</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(3,166)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(28,665)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">61</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(3,779)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(30,895)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,525</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">20</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">363</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">399,762</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,401,887</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">15,546</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(437,296)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,243</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(33,167)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(177,007)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">26,597</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,102</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">204</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,803,109</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(5,602)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(1,952)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(40,115)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,284</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">614</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">417</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; 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: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">281,460</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(9,898)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(491,918)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">3,304</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(51,479)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(304,290)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">47,139</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">3,736</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,551</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; 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: 0.3pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">17,723,836</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">42,182</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">2,834,551</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">(27,525)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">(301,716)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">13,554</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">(1,505,488)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">(1,536,724)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">1,091,592</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">609,249</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">15,160</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">18,958,671</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 115 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->114<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 24%; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Funding</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Inflation adjustment
    / exchange variation and incorporated interest- Capitalized</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Interest paid</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Accrued interest</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; 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,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>Expenses with borrowing
    costs </B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6,756,504</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,450,000</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(25,717)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">225,106</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(387,618)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,963,282)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">258,114</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">139,563</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">15,298</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,467,968</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,418,832</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">156,488</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">685</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(113,030)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(93,064)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">79,966</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">33,236</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,483,113</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,370,902</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">207,136</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(88,084)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(186,179)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">51,122</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">37,688</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">259</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,392,844</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,730,195</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(97,829)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(181,349)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">63,964</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">73,506</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">955</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,589,442</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">944,513</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(33,276)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(18,340)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">63,380</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">665</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">956,942</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">428,743</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(52,250)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(31,432)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">52,250</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">397,311</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,876</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">140,187</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(15,782)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(76,013)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">31,701</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">125,969</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">15,197</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,921</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(32)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(718)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(3,986)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">690</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">22</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">14,094</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">13,710,762</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">140,187</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">2,816,545</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(25,749)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">225,791</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(788,587)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(2,553,645)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">601,187</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">284,015</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">17,177</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">14,427,683</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">317,302</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">108,728</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(7,620)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">22,979</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(8,488)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(53,197)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,936</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">197</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">387,837</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">426,860</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(3,377)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">30,814</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,481)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(32,965)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,789</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">241</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">420,881</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,684,321</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">34,360</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(76)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(108,851)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">10,198</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(43,184)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(216,190)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">35,315</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,802</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">192</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,401,887</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">119,379</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">6,536</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(2,705)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(40,607)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,753</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">777</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">415</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">85,548</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">3,547,862</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 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 Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">143,088</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(11,073)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(48,522)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">10,198</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(56,858)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">(342,959)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">46,793</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">6,579</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">1,045</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: black 0.5pt solid">3,296,153</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.3pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">17,258,624</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">140,187</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">2,959,633</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">(36,822)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">177,269</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">10,198</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">(845,445)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">(2,896,604)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">647,980</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">290,594</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">18,222</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: black 0.5pt solid">17,723,836</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Main events in 2022</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of March 18, 2022, the Company raised R$ 1.0 billion from
the 30th issue of simple, unsecured debentures, not convertible into shares, in up two series, according to CVM Instruction 476/2009.
The funds raised from the issue were used to refinance financial commitments maturing in 2022 and to recompose and reinforce the Company&#8217;s
cash position.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The 30th issue debentures was as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 33%; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid">Value</P></TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid">Maturity</P></TD>
    <TD STYLE="width: 23%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid">Remuneration</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">Series 1</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">R$ 500,000</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">03/2027</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">CDI + 1.30 p.a.</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">Series 2</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">R$ 500,000</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">03/2029</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">CDI + 1.58 p.a.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The covenants agreed upon for the 30th issues
debentures are: </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,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,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,serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Adjusted EBITDA/paid financial expenses equal
to or higher than 1.5;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Disposal of operating assets, termination of licenses,
loss of concession, or loss of the Issuer&#8217;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 Issuer&#8217;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
Issuer&#8217;s net operating income during the twelve (12) months before the end of each quarter and using the financial information disclosed
by the Issuer.</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt 21.3pt; text-align: justify">The failure to comply with the covenants for at
least two consecutive quarters, or two non-consecutive quarters within twelve months, will cause the early termination of the agreement
(in which case the 30-day cure period does not apply).</P>

<P STYLE="font: 10pt/110% Georgia,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&#8217;s debts, in an individual or aggregate amount equal to or higher than R$ 182 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 obligations
arising from the Debentures.</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">In the first quarter of 2022, the Company paid the final amortization
of the 14th issue debentures, totaling R$&nbsp;27.6 million, of which R$&nbsp;25.7 million in principal and R$&nbsp;1.9 million in interest.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">In the second quarter of 2022, the Company paid the final amortization
of the 21st issue debentures, totaling R$&nbsp;185.1 million, of which R$&nbsp;175.0 million in principal and R$&nbsp;10.1 million in
interest.</P>


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<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>IDB INVEST 2022</B></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On July 15, 2022, the Company raised R$ 470.0 million with the
Inter-American Investment Corporation (IDB INVEST).</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The proceeds raised from this contract will be exclusively used
to cover the costs of the Tiet&ecirc; River Cleaning Project.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The principal will be amortized in semi-annual payments in June
and December, starting in June 2023 and ending in June 2036. Interests mature semi-annually in December and June, starting in December
2022 and ending in June 2036, at CDI + 2.5% p.a.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The covenants agreed upon for IDB INVEST 2022
are: </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,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,serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Net debt/adjusted EBITDA equal to or lower than
3.50;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Adjusted EBITDA/paid financial expenses equal
to or higher than 2.35;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B><I>International Finance Corporation </I>(IFC)</B></P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On July 27, 2022, the Company raised R$ 760.0 million with the
International Finance Corporation (IFC).</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The funds raised will be used to finance:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">the capital expenses related to the New Pinheiros
River program;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">the capital expenses to improve sanitation in
the S&atilde;o Paulo coastal regions; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">the capital expenses to improve water supply
in municipalities of the S&atilde;o Paulo coastal region and suburbs of the S&atilde;o Paulo municipality. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The principal will be amortized in semi-annual payments in April
and October, starting in April 2023 and ending in April 2032. Interests mature semi-annually in October and April, starting in October
2022 and ending in April 2032, at CDI + 2.0% p.a.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The covenants agreed upon for IFC are: </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,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,serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Net debt/adjusted EBITDA equal to or lower than
3.50;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Adjusted EBITDA/paid financial expenses equal
to or higher than 2.35;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 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,serif; margin: 0 0 0 21.25pt; 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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Lease</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company has lease agreements signed as Assets Lease. 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,serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Covenants</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The table below shows the most restrictive covenants as of December
31, 2022.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 66%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 34%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total Adjusted Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Lower than 3.65</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Adjusted Current Ratio</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(1) The contractual definition of &#8220;Other Onerous Debts&#8221; 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/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, the Company met the requirements
set forth by its borrowings and financing agreements.</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0%"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Borrowings and financing &#8211; Credit limited</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 68%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Agent</B></P></TD>
    <TD STYLE="width: 3%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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,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: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,079</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">255</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,178</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,259</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; 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,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">18</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; 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,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,789</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">(*) Brazilian Central Bank&#8217;s exchange rate as of December
31, 2022 (US$ 1.00 = R$ 5.2177; &yen; 1.00 = R$ 0.03957).</P>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>18</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Taxes and contributions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Current assets</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 44%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 28%">
    <P STYLE="font: 9pt/110% Georgia,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: 10pt; width: 28%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Recoverable taxes</B></FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">206,517</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">259,902</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Withheld income tax (IRRF) on financial investments</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">33,283</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">13,041</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other federal taxes</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,106</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,161</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">242,906</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">276,104</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Current liabilities</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 44%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 28%">
    <P STYLE="font: 9pt/110% Georgia,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: 10pt; width: 28%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Taxes and contributions payable</B></FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Cofins and Pasep</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">134,624</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">111,963</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">INSS (social security contribution)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">44,515</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">39,902</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">IRRF (withholding income tax)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">63,361</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">49,468</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">50,961</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">55,797</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">293,461</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">257,130</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->119<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify">On February 08, 2023, the Federal Supreme Court (STF) unanimously
decided that a final decision favorable to companies on taxes paid on a continuous base would lose its effects if the STF later rules
against it.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company analyzed the matter judged in this decision, which
covers Social Contribution on Net Profit, as well as other taxes that fit into the decision granted, and did not identify any impact on
the Financial Statements.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>19</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Deferred taxes and contributions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 24%">
    <P STYLE="font: 9pt Georgia,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: 10pt; width: 24%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Deferred tax assets </B></FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">560,404</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">503,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">141,606</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">150,577</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">46,088</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">47,589</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">199,363</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">183,963</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: black 0.5pt solid">171,798</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">127,092</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total deferred tax asset</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: black 0.5pt solid">1,119,259</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,012,595</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(353,817)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(368,235)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(457,669)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(404,931)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(346,650)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(353,262)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Actuarial gain &#8211; G1 Plan </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(93,561)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(109,271)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(43,323)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(46,079)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(13,517)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(14,556)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total deferred tax liabilities</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,308,537)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,296,334)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(189,278)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(283,739)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->120<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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 Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Realization</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 42%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 29%">
    <P STYLE="font: 9pt Georgia,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: 10pt; width: 29%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Deferred tax assets </B></FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">to be realized in up to 12 months</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">318,965</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">280,373</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">to be realized after one year</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: black 0.5pt solid">800,294</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">732,222</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total deferred tax asset</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,119,259</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,012,595</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">to be realized in up to 12 months</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(25,746)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(31,777)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">to be realized after one year</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,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>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,264,557)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total deferred tax liabilities</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,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>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,296,334)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt 7.1pt; text-align: right; text-indent: -7.1pt; border-bottom: black 0.5pt solid">(189,278)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(283,739)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Deferred tax assets</B></FONT></TD>
    <TD STYLE="width: 17%; padding-right: 5.75pt; padding-left: 5.75pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.75pt; padding-left: 5.75pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Net</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>net</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.75pt; padding-left: 5.75pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Provisions</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">503,374</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">57,030</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">560,404</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">150,577</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(8,971)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">141,606</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">47,589</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,501)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">46,088</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Credit losses</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">183,963</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">15,400</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">199,363</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">127,092</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">44,706</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,012,595</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">106,664</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(368,235)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">14,418</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(353,817)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(404,931)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(52,738)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(457,669)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(353,262)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">6,612</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(346,650)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Actuarial gain &#8211; G1</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(109,271)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">15,710</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(93,561)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(46,079)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,756</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(43,323)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(14,556)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,039</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,296,334)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(12,203)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(283,739)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">94,461</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(189,278)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- 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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->121<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Deferred tax assets</B></FONT></TD>
    <TD STYLE="width: 17%; padding-right: 5.75pt; padding-left: 5.75pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.75pt; padding-left: 5.75pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Variation</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>net</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.75pt; padding-left: 5.75pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Provisions</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">436,445</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">66,929</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">503,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">154,498</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(3,921)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">150,577</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">50,142</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(2,553)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">47,589</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Credit losses</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">155,719</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">28,244</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">183,963</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">134,932</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(7,840)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">127,092</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">931,736</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">80,859</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,012,595</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(388,675)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">20,440</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(368,235)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(390,211)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(14,720)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(404,931)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(356,513)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,251</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(353,262)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Actuarial gain &#8211; G1</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(48,979)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(60,292)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(109,271)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(48,843)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,764</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(46,079)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(19,231)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,675</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(14,556)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,252,452)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(43,882)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,296,334)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(320,716)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">36,977</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(283,739)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 24%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 24%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Opening balance </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(283,739)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(320,716)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Net change in the year:</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;- corresponding entry in the income statement</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">78,751</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">97,269</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">&nbsp;- corresponding entry in the equity valuation adjustment (Note 22)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">15,710</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(60,292)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total net change</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">94,461</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">36,977</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Closing balance </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(189,278)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(283,739)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>


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    <!-- Field: /Page -->



<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Reconciliation of the effective tax rate</B></FONT></TD></TR></TABLE>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 48%"></TD>
    <TD STYLE="padding-right: 10pt; width: 26%">
    <P STYLE="font: 9pt/110% Georgia,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: 10pt; width: 26%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Profit before income taxes</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">4,272,750</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,170,156</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Statutory rate</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,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="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Estimated expense at the statutory rate</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,452,735)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,077,853)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Tax benefit of interest on equity</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">284,920</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">200,073</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Permanent differences</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: justify; text-indent: 14.2pt; border-bottom-width: 0cm; border-bottom-color: black">Provision
    Law 4,819/1958 &#8211; G0 (i)</P></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(26,786)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(22,640)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: justify; text-indent: 14.2pt; border-bottom-width: 0cm; border-bottom-color: black">Donations</P></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(16,588)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(16,723)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: justify; text-indent: 14.2pt; border-bottom-width: 0cm; border-bottom-color: black">Other
    differences</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">59,706</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">52,856</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: justify; border-bottom-width: 0cm; border-bottom-color: black">Income
    tax and social contribution</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,151,483)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(864,287)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: justify; border-bottom-width: 0cm; border-bottom-color: black">Current
    income tax and social contribution</P></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,230,234)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(961,556)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: justify; border-bottom-width: 0cm; border-bottom-color: black">Deferred
    income tax and social contribution</P></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">78,751</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">97,269</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: justify; border-bottom-width: 0cm; border-bottom-color: black">Effective
    rate</P></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">27%</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">27%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Permanent difference related to the
provision for the actuarial liability. See Note 22 (ii) and (v).</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>20</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Provisions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Lawsuits and proceedings that resulted in
provisions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(I)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 3.15. The terms and payment amounts are defined
based on the outcome of these lawsuits.</P>

<P STYLE="font: 10pt/110% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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 Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 10pt">
    <P STYLE="font: 10pt/110% Georgia,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: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 10pt">
    <P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 33%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Provisions</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Escrow deposits</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia,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: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Provisions</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Escrow deposits</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 11%">
    <P STYLE="font: 9pt/110% Georgia,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="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">151,023</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(6,226)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">144,797</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">168,258</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(10,780)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">157,478</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">257,080</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(53)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">257,027</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">477,854</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(123)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">477,731</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">99,462</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,131)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">98,331</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">95,601</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(2,523)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">93,078</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">79,532</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(16,037)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">63,495</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">57,509</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(2,693)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">54,816</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">654,277</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(13,979)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">640,298</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">349,962</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(15,864)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">334,098</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">406,872</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(36)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">406,836</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">331,326</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(34)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">331,292</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,648,246</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(37,462)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,610,784</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,480,510</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(32,017)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,448,493</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">924,038</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">924,038</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">809,821</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">809,821</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">724,208</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(37,462)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">686,746</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">670,689</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(32,017)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">638,672</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(II)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">168,258</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">12,258</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">21,316</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(29,363)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(21,446)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">151,023</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">477,854</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">78,481</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">56,934</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(309,321)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(46,868)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">257,080</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">95,601</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">22,485</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">13,708</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(9,248)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(23,084)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">99,462</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">57,509</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">18,216</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">7,837</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(1,568)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(2,462)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">79,532</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">349,962</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">307,352</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">131,139</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(76,884)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(57,292)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">654,277</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">331,326</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">38,632</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">48,511</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(300)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(11,297)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">406,872</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,480,510</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">477,424</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">279,445</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(426,684)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(162,449)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,648,246</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(32,017)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(55,546)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(4,779)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">13,832</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">41,048</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(37,462)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,448,493</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">421,878</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">274,666</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(412,852)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(121,401)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,610,784</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 125 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->124<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,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: 5.75pt; padding-left: 5.75pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">160,705</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">32,996</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">29,685</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(30,972)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(24,156)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">168,258</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">410,734</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">92,135</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">90,788</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(71,238)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(44,565)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">477,854</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">86,083</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,477</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">12,850</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(10,056)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(8,753)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">95,601</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">59,678</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">8,630</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">8,054</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(15,133)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,720)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">57,509</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">316,880</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">100,245</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">36,373</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(66,220)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(37,316)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">349,962</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">249,582</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">40,477</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">50,957</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(33)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(9,657)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">331,326</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,283,662</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">289,960</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">228,707</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(193,652)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(128,167)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,480,510</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(31,360)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(39,586)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(11,852)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">48,805</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,976</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(32,017)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,252,302</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">250,374</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">216,855</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(144,847)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(126,191)</P></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,448,493</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Lawsuits deemed as contingent liabilities</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="width: 46%; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; vertical-align: bottom; width: 27%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.75pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; vertical-align: bottom; width: 27%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.75pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">200,966</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">173,875</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,147,606</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,521,935</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,146,048</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">852,735</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,869,583</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,548,781</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,471,423</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">1,095,841</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">3,302,843</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">3,201,716</P></TD></TR>
  <TR>
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">9,138,469</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">8,394,883</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Explanation of the nature of main classes
of lawsuits</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Customer claims </B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(ii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Supplier claims</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(iii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Other civil claims</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(iv)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Tax claims</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">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$ 957,199 (R$ 857,688 as of December 31, 2021), which are currently 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. Regarding the middle activities, the decision was partially favorable and SABESP&#8217;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. The decision of the appeal filed was favorable to the Company. Special and extraordinary
appeals of the Municipality are pending decision. Regarding the middle activities, the decision was partially favorable and SABESP&#8217;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. The Company deemed the lawsuit as contingent liabilities.</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-serif; margin: 0"><B>&nbsp;</B></P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD></TR></TABLE></DIV>
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<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(v)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Labor claims</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt"><B>(vi)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Environmental claims</B></FONT></TD></TR></TABLE>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Other concession-related claims</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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>

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

<P STYLE="font: 10pt/110% Georgia,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, 2022 and 2021; 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,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(e)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Environmental claims with executed agreements</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">In 2022, the Company executed court agreements totaling R$ 308,134.
Of this amount, R$&nbsp;302,873 corresponds to the performance of works and R$ 5,261 to environmental compensations, the latter being
recorded in Liabilities as &#8220;other liabilities&#8221;.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(f)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Guarantee insurance </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of May 25, 2022, 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, 2022, R$ 432.2 million was available
for use.</P>

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



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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>21</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Labor and social obligations</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 24%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 24%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Salaries and payroll charges</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">70,089</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">58,591</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Provision for vacation</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">254,469</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">226,127</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Healthcare plan (i)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">70,136</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">45,915</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Provision for profit sharing (ii)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">96,227</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">88,376</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Consent Decree (TAC)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">6,114</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5,723</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Knowledge Retention Program (PRC)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,469</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,884</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">498,504</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">426,616</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Arial,sans-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,serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Healthcare plan</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 2022, the Company contributed 8.8%, on average, of gross payroll, totaling
R$&nbsp;272,460 (8.50% in 2021, totaling R$&nbsp;232,850).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Arial,sans-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,serif; font-size: 10pt"><B>(ii)</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Profit sharing</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The profit-sharing program was implemented according to an agreement
with the labor union. Payment corresponds to up to one month&#8217;s salary for each employee, depending on the performance of goals reached
from January to December, and should be paid in the subsequent year.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>22</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Pension plan obligations</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company has Post-Employment Benefit Plans in the following
modalities: Defined Benefit (BD) &#8211; G1 (i) and G0 (ii); and Defined Contribution (CD) &#8211; 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>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B><U>Defined benefit plans</U></B></P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Summary of pension plan obligations &#8211; Liabilities</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 40%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,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,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,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,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,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,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; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,715,388)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,002,075)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(4,717,463)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,764,027)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,192,062)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(4,956,089)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Fair value of the plan&#8217;s assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,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,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,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,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,634,427</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,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,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,634,427</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,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,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(148,116)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,002,075)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,150,191)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(129,600)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,192,062)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,321,662)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->128<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify"><B>Changes in Liabilities</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 35%; padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 2.4pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>Total</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Plan&#8217;s liabilities</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Defined benefit obligation, beginning of the year</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(2,764,027)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(2,192,062)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(4,956,089)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(3,112,980)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(2,549,541)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(5,662,521)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Cost of the current service</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(35,020)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(35,020)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(32,777)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(32,777)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Interest costs</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(231,745)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(176,953)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(408,698)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(205,707)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(158,244)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(363,951)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Actuarial gains/(losses) recorded as other comprehensive income</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">126,626</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">161,766</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">288,392</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">414,823</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">330,337</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">745,160</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Benefits paid</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">188,778</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">393,952</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">172,614</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">185,386</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">358,000</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Defined benefit obligation, end of the year</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(2,715,388)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(2,002,075)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(4,717,463)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(2,764,027)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(2,192,062)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(4,956,089)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Plan&#8217;s assets</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Fair value of the plan&#8217;s assets, beginning of the year</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,634,427</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,634,427</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,793,927</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,793,927</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Expected return of the plan&#8217;s assets</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">221,079</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">221,079</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">184,687</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">184,687</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Company&#8217;s contributions</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">39,377</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">39,377</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">35,368</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">35,368</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Participants&#8217; contributions</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">34,000</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">34,000</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">30,551</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">30,551</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Benefits paid</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(188,778)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(188,778)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(172,614)</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(172,614)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Actuarial gains/(losses) recorded as other comprehensive income</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; 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,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,serif; margin: 2.4pt 0; 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,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(237,492)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(237,492)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Fair value of the plan&#8217;s assets, end of the year</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; 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/110% Georgia,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,serif; margin: 2.4pt 0; 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/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">2,634,427</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">2,634,427</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 2.4pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Total pension plan obligations (deficit)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(148,116)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(2,002,075)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(2,150,191)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(129,600)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(2,192,062)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(2,321,662)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 130 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->129<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify"><B>Changes in equity &#8211; Other comprehensive income</B></P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 40%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,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,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,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,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,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; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">126,626</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">161,766</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">288,392</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">414,823</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">330,337</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">745,160</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,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,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,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,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">(237,492)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">(237,492)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(46,207)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">161,766</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">115,559</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">177,331</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">330,337</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">507,668</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,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,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,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,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">(60,292)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">(60,292)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">(30,497)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">161,766</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">131,269</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">117,039</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">330,337</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">447,376</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Changes in profit (loss) for the year</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; 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,serif; margin: 1pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 40%; padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,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,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,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,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,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="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Cost of services, net</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,020</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">1,020</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,227</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">2,227</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Interest costs</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">231,745</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">176,953</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">408,698</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">205,707</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">158,244</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">363,951</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Expected return of the plan&#8217;s assets</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(221,079)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(221,079)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(184,687)</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">(184,687)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 6pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,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,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,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,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,serif; margin: 6pt 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(91,657)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 6pt 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(91,657)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.75pt solid">11,686</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.75pt solid">78,779</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.75pt solid">90,465</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.75pt solid">23,247</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.75pt solid">66,587</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.75pt solid">89,834</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Maturity profile of the obligations</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; 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: 60%; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2023</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">213,318</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2024</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">200,740</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2025</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">192,045</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2026</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">182,039</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Payment of benefits expected in 2027 or subsequent years</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">1,927,246</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">1,310,988</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">2,715,388</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: black 0.5pt solid">2,002,075</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%"><I>Duration</I></FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">12.69</FONT></TD>
    <TD STYLE="padding: 1pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">10.40</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 131 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->130<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify"><B>Actuarial assumptions used</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR>
    <TD STYLE="width: 32%; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 17%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,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,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,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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">6.15% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">5.53% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">5.26% p.a.</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Inflation rate</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">3.00% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">3.00% p.a.</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">5.06% p.a.</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">5.06% p.a.</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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,serif; margin: 0 2.85pt; text-align: center">AT-2000</P>
    <P STYLE="font: 8pt Georgia,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,serif; margin: 0 2.85pt; text-align: center">AT-2000</P>
    <P STYLE="font: 8pt Georgia,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,serif; margin: 0 2.85pt; text-align: center">AT-2000</P>
    <P STYLE="font: 8pt Georgia,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,serif; margin: 0 2.85pt; text-align: center">AT-2000</P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0 2.85pt; text-align: center">(By gender)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Sensitivity analysis</B></P>

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

<P STYLE="font: 10pt/110% Georgia,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, 2022, is:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; 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,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,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,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,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,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,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Decrease of R$&nbsp;215,825</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Decrease of R$&nbsp;159,129</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid">Increase of R$&nbsp;234,447</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid">Increase of R$&nbsp;172,859</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,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Increase of R$&nbsp;59,778</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Increase of R$&nbsp;83,050</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid">Decrease of R$&nbsp;58,505</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid">Decrease of R$&nbsp;79,449</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,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Increase of R$&nbsp;38,898</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; line-height: 110%">Increase of R$&nbsp;894</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,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,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid">Decrease of R$&nbsp;40,755</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid">Decrease of R$&nbsp;937</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<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,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Managed by SABESPREV, this financed defined benefit
plan (&#8220;G1 Plan&#8221;) receives similar contributions established in a plan of subsidy of actuarial study of SABESPREV, as follows:</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 38.95pt"></TD><TD STYLE="width: 17.85pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 38.95pt"></TD><TD STYLE="width: 17.85pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, there were 2,843 and 8,089
active and inactive participants, respectively (2,930 and 8.109, respectively, as of December 31, 2021).</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company&#8217;s and the participants&#8217; contributions
to the G1 Plan totaled R$ 39,377 and R$ 34,000, respectively, in 2022 (R$ 35,368 and R$ 30,551, respectively, in 2021). Of this amount,
the Company and the participants made payments referring to the actuarial deficit in the amounts of R$ 31,556 and R$ 26,168, respectively,
in 2022 (R$ 28,829 and R$ 23,609, respectively, in 2021).</P>


<!-- Field: Page; Sequence: 132 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->131<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 82%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt"><B>Estimated expenditures for the coming year</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt">&nbsp;</P></TD>
    <TD STYLE="width: 18%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,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-bottom: 1pt; padding-left: 14.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Cost of services, net</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5,997</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Regular and extraordinary contributions expected from participants</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(36,521)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest costs</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">307,777</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Net profitability on financial assets</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(294,788)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 14.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Expenditures to be recognized by the Company</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(17,535)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify"><B>Plan&#8217;s assets</B></P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; 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&#8217;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&#8217;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,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 35%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 27%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>%</B></P></TD>
    <TD STYLE="width: 27%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,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="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total fixed income</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,804,550</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">70.3</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,613,153</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">61.2</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total equities</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">136,582</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5.3</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">261,665</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9.9</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total structured investments</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">498,825</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">19.4</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">599,970</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">22.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,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,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">5.0</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">159,639</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">6.1</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Fair value of the plan&#8217;s assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,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: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">100</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,634,427</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">100</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify">The restrictions on portfolio investments in the
case of federal government bonds are:</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 42.55pt"></TD><TD STYLE="width: 17pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">instruments securitized by the National Treasury;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 42.55pt"></TD><TD STYLE="width: 17pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">derivative instruments should be used for hedging
only.</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify">The restrictions on portfolio investments in the
case of equities for internal management are:</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 42.55pt"></TD><TD STYLE="width: 17pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">day-trade transactions;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 42.55pt"></TD><TD STYLE="width: 17pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">short selling;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 42.55pt"></TD><TD STYLE="width: 17pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">unsecured swap transactions; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 42.55pt"></TD><TD STYLE="width: 17pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">iv)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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>


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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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify">As of December 31, 2022, 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,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; 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&#8217;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>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 22.7pt"><B>(ii)</B></TD><TD STYLE="text-align: justify"><B>G0 Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; 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 &#8220;Balances with related parties&#8221; 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,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify">As of December 31, 2022, there were 8 and 1,750 active
and inactive participants, respectively (8 and 1,794, respectively, as of December 31, 2021).</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 79%; padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,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: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest costs</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">225,220</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 1pt; padding-left: 5.75pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Expenses to be recognized</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">225,220</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<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,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify">As of December 31, 2022, this Defined Contribution
Plan managed by SABESPREV had 9,365 active and assisted participants (9,463 as of December 31, 2021).</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; 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 Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt/110% Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 22.7pt"><B>(iv)</B></TD><TD STYLE="text-align: justify"><B>VIVEST </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; 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,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 0pt; text-align: justify">As of December 31, 2022, there were 58 participants
(46 as of December 31, 2021).</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<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,serif; margin: 0 0 0 35.45pt; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="text-align: center; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="border-bottom: Black 0.5pt solid; font: 9pt/110% Georgia,serif; margin-top: 0; margin-bottom: 1pt; text-align: center"><B>December 31, 2022</B></P></TD>
    <TD STYLE="text-align: center; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="border-bottom: Black 0.5pt solid; font: 9pt/110% Georgia,serif; margin-top: 0; margin-bottom: 1pt; text-align: center"><B>December 31, 2021 </B></P></TD>
    <TD STYLE="text-align: center; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="border-bottom: Black 0.5pt solid; font: 9pt/110% Georgia,serif; margin-top: 0; margin-bottom: 1pt; text-align: center"><B>December 31, 2020 </B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; 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; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">11,686</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">23,247</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">25,776</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">78,779</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">66,587</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">110,810</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">25,371</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">22,406</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">21,700</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Gray 1pt solid; white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">VIVEST Plan (iv)</FONT></TD>
    <TD STYLE="border-bottom: Gray 1pt solid; white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">326</FONT></TD>
    <TD STYLE="border-bottom: Gray 1pt solid; white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">160</FONT></TD>
    <TD STYLE="border-bottom: Gray 1pt solid; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">58</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,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; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">116,162</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">112,400</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">158,344</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Expenses capitalized in assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(3,359)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(4,118)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(4,904)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Gray 1pt solid; white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="border-bottom: Gray 1pt solid; white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">5,689</FONT></TD>
    <TD STYLE="border-bottom: Gray 1pt solid; white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">5,527</FONT></TD>
    <TD STYLE="border-bottom: Gray 1pt solid; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">5,841</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Pension plan obligations (Note 29)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">118,487</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">113,809</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">159,281</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>23</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Services payable</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 balances as of December 31, 2022 and 2021 were R$ 723,242 and R$ 469,027, respectively.</P>

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


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>24</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Equity </B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Share capital</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, 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>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,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; width: 9%; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,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; width: 15%; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,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; width: 9%; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: black 0.5pt solid"><B>%</B></P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;S&atilde;o Paulo State </FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">343,506,664</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">50.3</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">343,506,664</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">50.3</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;Other shareholders </FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;In Brazil <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">257,339,417</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">37.6</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">234,965,971</FONT></TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">34.4</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Abroad <SUP>(2) </SUP></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,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; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: black 0.5pt solid">12.1</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: black 0.5pt solid">105,037,234</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: black 0.5pt solid">15.3</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5pt 2.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: black 0.5pt solid">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: black 0.5pt solid">100.0</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: black 0.5pt solid">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: black 0.5pt solid">100.0</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 1pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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,serif; font-size: 10pt">(1)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">As of December 31, 2022, the common shares traded
in Brazil were held by 31,351 shareholders. It includes six shares held by Cia Paulista de Parcerias &#8211; 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% Arial,sans-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,serif; font-size: 10pt">(2)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,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&#8217;s ADRs.</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Distribution of earnings</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/107% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 72%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 9pt/110% Georgia,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%; padding-left: 5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Net income for the year</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,121,267</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">2,305,869</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(-) Legal reserve - 5%</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">156,063</FONT></TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">115,293</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt 1pt 0cm"><DIV STYLE="font-size: 1pt; border-top: black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin: 1pt 2.85pt 1pt 0cm"><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-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,965,204</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">2,190,576</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-left: 5pt; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Minimum mandatory dividend &#8211; 25% </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">741,301</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">547,645</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt">&nbsp;</P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt">Dividend per share</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1.08455</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">0.80122</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of April 28, 2022, the General Shareholders&#8217; Meeting
approved the distribution of complementary minimum dividends totaling R$ 96,700, for 2021. Therefore, the amount of R$ 55,631 related
to the surplus of the minimum</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0; text-align: justify">mandatory dividends of 25%, defined in the Bylaws, recorded
in the equity of 2021 under &#8220;Complementary minimum dividends&#8221; was transferred to current liabilities and payment started in
June 2022.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company proposed, <I>ad referendum </I>of the 2023 Annual
Shareholders&#8217; Meeting, dividends as interest on capital totaling R$ 741,301 (R$ 547,645 in 2020) and complementary minimum dividends
in the amount of R$ 130,857 (R$ 96,700 in 2020), totaling R$ 872,158 (R$ 644,345 in 2020), corresponding to R$ 1.2760 per common share
(R$ 0.9427 in 2021), to be resolved at the General Meeting to be held on April 27, 2023. The amount of R$ 130,857 (R$ 96,700 in 2021)
was reclassified in Equity under &#8220;Complementary minimum dividends&#8221;, which includes withholding income tax of R$ 53,930 (R$
41,069 in 2021).</P>

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

<P STYLE="font: 10pt/110% Georgia,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$ 53,930 (R$ 41,069 in 2021) 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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The balance payable of interest on capital as of December 31,
2022, of R$ 741,725 (R$ 548,006 in 2021), refers to the amount of R$ 741,301 (R$ 547,645 in 2021) declared in 2022, net of withholding
income tax, and R$ 424 declared in prior years (R$ 361 in 2021).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Legal reserve</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Investment reserve</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022 and 2021, the balances of the investment
reserve were R$&nbsp;10,390,535 and R$&nbsp;8,297,489, respectively.</P>

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

<P STYLE="font: 10pt/110% Georgia,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>


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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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt/110% Arial,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia,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,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,serif; margin: 3pt 0 3pt 2cm; text-align: justify; text-indent: 14.2pt">a) in the absorption of losses,
whenever necessary;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 3pt 2cm; text-align: justify; text-indent: 14.2pt">b) in the distribution of dividends,
at any time;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 3pt 2cm; 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,serif; margin: 0 0 3pt 2cm; text-align: justify; text-indent: 14.2pt">d) in the incorporation of the
share capital.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(e)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Allocation of the profit for the year</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 105%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/105% Georgia,serif; margin: 0 0 2pt; text-align: center; text-indent: 1.7pt; border-bottom: black 0.5pt solid"><B>2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">Net income</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 105%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 8%; padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">(+)</FONT></TD>
    <TD STYLE="width: 69%; padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">Profit for the year</FONT></TD>
    <TD STYLE="width: 23%; padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">3,121,267</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">(-)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">Legal reserve - 5%</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">156,063</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">(-)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">Minimum mandatory dividends</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: right; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">741,301</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">(-)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">Complementary minimum dividends</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/105% Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">130,857</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-bottom: 2pt; padding-left: 5.75pt; font-family: Arial,sans-serif; line-height: 105%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 105%">Investment reserve </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt/105% Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">2,093,046</P></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Management will send for approval by the General Meeting a proposal
to transfer the retained earnings, totaling R$ 2,093,046 to the Investment Reserve account, to meet the investment needs provided for
in the Capital Budget.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(f)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Retained earnings</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/105% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(g)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Other comprehensive loss</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 (b) for the breakdown
of the amounts recorded in 2022 and 2021.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 55%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="width: 16%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,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; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; 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-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Balance on December 31, 2021</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">212,114</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(165,740)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">46,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Actuarial gains/(losses) of the year (Note 22)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(30,497)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">161,766</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,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="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Balance on December 31, 2022</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">181,617</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(3,974)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">177,643</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>25</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Earnings per share</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Basic and diluted</B></P>

<P STYLE="font: 10pt/105% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,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 year. 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/105% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 64%; padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 18%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 18%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Profit attributable to the Company&#8217;s owners</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,121,267</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,305,869</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Weighted average number of common shares issued</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">683,509,869</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,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-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Basic and diluted earnings per share (reais per share)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">4.57</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">3.37</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/105% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>26</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Operating segment information </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">The Company&#8217;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,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Result</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 21%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Sanitation (i)</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 18%">
    <P STYLE="font: 8pt Georgia,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: 10pt; width: 20%">
    <P STYLE="font: 8pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">18,629,959</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,863,752</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">23,493,711</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,437,991)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">17,191,968</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,863,752</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(12,689,051)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(4,754,383)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,502,917</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">109,369</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">8,327</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">24,551</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Income from operations before taxes</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,272,750</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,450,849)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,450,849)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 41%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 21%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>Sanitation (i)</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 18%">
    <P STYLE="font: 8pt Georgia,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: 10pt; width: 20%">
    <P STYLE="font: 8pt Georgia,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: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Gross operating revenue</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">16,304,206</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,376,739</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">20,680,945</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,189,884)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,189,884)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">15,114,322</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,376,739</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">19,491,061</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(11,115,383)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(4,278,337)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(15,393,720)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,998,939</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">98,402</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,097,341</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(21,841)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">22,079</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(927,423)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Income from operations before taxes</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,170,156</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,253,322)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,253,322)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 12pt 1cm; text-align: justify; text-indent: -1cm">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia,serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm">(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,serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm">(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>


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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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>27</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Insurance</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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 (&#8220;D&amp;O insurance&#8221;) 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,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">As of December 31, 2022, the Company&#8217;s insurance was as
follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 81%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 4pt; width: 19%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Amount</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Insured</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 4pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Specified risks &#8211; fire</FONT></TD>
    <TD STYLE="padding-right: 4pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,185,827</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Engineering risks</FONT></TD>
    <TD STYLE="padding-right: 4pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,275,490</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Guarantee insurance for escrow deposit and traditional guarantee (*)</FONT></TD>
    <TD STYLE="padding-right: 4pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">600,000</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Civil liability &#8211; D&amp;O (Directors and Officers)</FONT></TD>
    <TD STYLE="padding-right: 4pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">100,000</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Civil liability &#8211; construction works</FONT></TD>
    <TD STYLE="padding-right: 4pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">149,630</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Civil liability &#8211; operations</FONT></TD>
    <TD STYLE="padding-right: 4pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,000</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">29,038</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">5,354,985</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -14.2pt">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">(*) SABESP has an agreement that allows issuing policies that
total such insured amount. Of the total, R$&nbsp;167.8 million in policies with guarantee insurance were issued.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>28</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Operating revenue</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Revenue from sanitation services:</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 24%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 24%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Metropolitan Region of S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">13,318,803</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">11,529,229</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Regional Systems </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">5,311,156</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,774,977</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">18,629,959</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">16,304,206</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Reconciliation from gross operating income
to net operating income:</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 24%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 24%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Revenue from sanitation services (i)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18,629,959</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">16,304,206</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Construction revenue</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4,863,752</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4,376,739</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Sales tax</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,363,628)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,121,905)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Regulatory, Control, and Oversight Fee (TRCF)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(74,363)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(67,979)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Net revenue</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">22,055,720</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">19,491,061</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 6pt; text-align: justify">(i) Includes R$&nbsp;92,232 from the TRCF charged
from customers in 2022 (R$&nbsp;80,329 in 2021), from the municipalities regulated by ARSESP.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>29</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Operating costs and expenses </B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 62%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 19%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 19%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Operating costs</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,285,765)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,026,202)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Pension plan obligations </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(29,796)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(36,771)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Construction costs (Note 26)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,754,383)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,278,337)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(369,381)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(314,111)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(598,993)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(364,542)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,724,347)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,517,196)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,497,644)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,462,776)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(831,503)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(717,352)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,259,091)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(2,082,755)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(14,350,903)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(12,800,042)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Selling expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(306,864)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(265,435)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,021)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,868)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(7,121)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(7,976)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(418,632)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(343,763)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,001)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,340)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(107,313)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(136,107)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(67,015)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(66,390)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(911,967)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(825,879)</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 143 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->142<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 62%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="width: 19%; padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 19%; padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Bad debt expense, net of recoveries&#9;(Note 10 (c))</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(782,057)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(643,730)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(284,562)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(250,557)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(84,670)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(72,170)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(23,664)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(11,209)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(250,293)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(250,801)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,896)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,715)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(548,626)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(357,564)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(124,743)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(104,177)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Tax expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(80,053)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(75,876)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,398,507)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,124,069)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Operating costs and expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,877,191)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,542,194)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Pension plan obligations (Note 22 (v))</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(118,487)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(113,809)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Construction costs (Note 26)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,754,383)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,278,337)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(400,166)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(333,296)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(598,993)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(364,542)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,393,272)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,111,760)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,500,541)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,465,831)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,487,442)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,211,023)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,450,849)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,253,322)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Tax expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(80,053)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(75,876)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Bad debt expense, net of recoveries (Note 10 (c)) </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(782,057)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(643,730)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(17,443,434)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: black 0.5pt solid">(15,393,720)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->143<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>30</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Financial income (expenses)</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 72%; padding-top: 2.4pt; padding-right: 2.85pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 14%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 14%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Financial expenses</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest and charges on borrowings and financing &#8211; local currency </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(954,744)</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(517,235)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest and charges on borrowings and financing &#8211; foreign currency </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(47,139)</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(46,793)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other financial expenses </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(364,117)</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(315,013)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Inflation adjustment on borrowings and financing </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(190,202)</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(225,791)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other inflation adjustments </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(183,966)</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(172,632)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest and inflation adjustment on provisions</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(216,098)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(170,831)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total financial expenses</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(1,956,266)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(1,448,295)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Financial income</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Inflation adjustment gains </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">541,516</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">198,907</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Income on financial investments </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">417,129</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">150,632</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest income </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">195,274</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">145,866</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Cofins and Pasep </FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(62,405)</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(23,038)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">17</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">41</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total financial income</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">1,091,531</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">472,408</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Financial income (expenses), net of exchange variation</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(864,735)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(975,887)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Exchange gain (losses)</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Exchange rate changes on borrowings and financing</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">491,918</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">48,522</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Exchange rate changes on assets</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">301</FONT></TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">(36)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Other exchange rate changes</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">102</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(22)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Exchange rate changes, net</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">492,321</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">48,464</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 10pt 2.4pt 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding: 2.4pt 2.85pt 2.4pt 7.1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Financial income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(372,414)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: black 0.5pt solid">(927,423)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></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">&nbsp;</TD></TR><TR><TD STYLE="font: 9pt Georgia; text-align: center; width: 100%">F-<!-- Field: Sequence; Type: Arabic; Name: PageNo -->144<!-- Field: /Sequence -->&nbsp;</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: justify; font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Notes to the financial statements</B></P><P STYLE="text-align: justify; font: 11pt Georgia,serif; margin: 0"><B>Years ended December 31, 2022 and 2021</B></P><P STYLE="text-align: justify; font: 9pt Georgia,serif; margin: 0; border-bottom: black 0.75pt solid"><B>In thousands of reais, unless otherwise stated</B></P><P STYLE="font: 9pt Arial,sans-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,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>31</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Other operating income (expenses), net</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 62%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 19%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.75pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 19%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.75pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other operating income, net </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">64,638</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">71,877</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other operating expenses </FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">(56,311)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">(93,718)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">8,327</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.75pt solid">(21,841)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>32</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Commitments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,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, 2022, are as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="width: 35%; padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>1 year</B></P></TD>
    <TD STYLE="width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>1-3 years</B></P></TD>
    <TD STYLE="width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: black 0.5pt solid"><B>3-5 years</B></P></TD>
    <TD STYLE="width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: center"><B>More than</B></P>
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 1pt 0; text-align: center"><B>5 years</B></P>
</DIV></TD>
    <TD STYLE="width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia,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="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Contractual obligations &#8211; Expenses </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,476,267</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,379,448</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">271,242</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">657,401</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,784,358</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Contractual obligations - Investments</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,091,768</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">3,125,523</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,153,532</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">172,782</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">7,543,605</P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,568,035</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">4,504,971</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,424,774</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">830,183</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">11,327,963</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>


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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>33</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Supplemental cash flow information</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 66%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; width: 17%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 10pt; width: 17%">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: black 0.5pt solid"><B>2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total additions to contract assets (Note 14)</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">5,240,528</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">4,759,789</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total additions to intangible assets (Note 15 (b))</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">75,400</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">172,961</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Items not affecting cash (see breakdown </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; line-height: 110%">below</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,765,391)</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">(1,236,081)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,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="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,550,537</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">3,696,669</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Investments and financing operations affecting intangible assets but not cash:</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Interest capitalized in the year (Note 14 (a))</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">622,803</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">300,792</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Contractors payable</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">414,645</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">218,523</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Performance agreements</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">576,392</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">478,177</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Right of use </FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">42,182</FONT></TD>
    <TD STYLE="padding-right: 10pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">140,187</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Construction margin (Note 26)</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">109,369</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">98,402</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,765,391</P></TD>
    <TD STYLE="padding-right: 10pt">
    <P STYLE="font: 9pt/110% Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: black 0.5pt solid">1,236,081</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>34</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Events after the reporting period</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Replacement of the CEO </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On January 12, 2023, the Board of Directors elected Mr. Andr&eacute;
Gustavo Salcedo Teixeira Mendes as CEO of the Company, replacing Mr. Benedito Pinto Ferreira Braga Junior. Additionally, under paragraph
2 of article 8 and article 12 of the Bylaws, Mr. Andr&eacute; Gustavo Salcedo Teixeira Mendes will be part of the Board of Directors as
long as he holds office as CEO.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-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: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Election of new Executive Board members</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">At a meeting held on January 30, 2023, the new members
elected for the Executive Board were:</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">(i) Mr. Bruno Magalh&atilde;es
D&#8217;Abadia, as Technology, Project, and Environment Officer, to replace Mr. Alceu Segamarchi Junior;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">(ii) Mr. Roberval Tavares
de Souza, as Regional Systems Officer, to replace Mr.&nbsp;Ant&ocirc;nio Carlos Teixeira;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">(iii) Ms. Paula Alessandra
Bonin Costa Violante, as Metropolitan Officer, to replace Mr. Ricardo Daruiz Borsari.</P>


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<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Furthermore, on February 9, 2023, the Board of Directors elected
new members for the Executive Board:</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">(i) Ms. Catia Cristina Teixeira
Pereira, as Chief Economic, Financial, and Investor Relations Officer, as of March 1, 2023;</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">(ii) Ms. Sabrina de Menezes Correa Furstenau
Sabino, as Chief Corporate Management Officer.</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Finally, further to the Material Fact disclosed on January 30,
2023, the Company informs that the Board of Directors rectified the resolution regarding the positions to be held on the Executive Board
on that date, whereby the Executive Officers elected at that meeting will now be responsible for the following Offices:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 14pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Mr. Bruno Magalh&atilde;es D&#8217;Abadia, Regional
Systems Board</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Mr. Roberval Tavares de Souza, Metropolitan
Board</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 14pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Ms. Paula Alessandra Bonin Costa Violante, Technology,
Project, and Environment Board</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt/110% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 10pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Amendment to the Extraordinary Tariff Revision</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">On February 16, 2023, the S&atilde;o Paulo State Utility Services
Regulatory Agency (ARSESP) approved an amended schedule of the Extraordinary Tariff Revision, as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="width: 79%; border: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Stages</B></FONT></TD>
    <TD STYLE="width: 21%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%"><B>Date</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Publication of the Preliminary Technical Note of SABESP&#8217;s Extraordinary Tariff Revision</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">12/22/2022</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Public Consultation</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: -0.8pt; padding-left: 0.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">12/22/2022 to 01/06/2023</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Public Hearing</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">01/05/2023</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Publication of the Detailed Report</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">03/06/2023</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Publication of the Final Technical Note and Resolution of SABESP&#8217;s Extraordinary Tariff Revision</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding: 0.75pt; font-family: Arial,sans-serif; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; line-height: 110%">Until 04/08/2023</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>



<!-- Field: Page; Sequence: 148; Options: NewSection; Value: 147 -->
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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: justify; width: 100%"><P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><DIV STYLE="padding: 31pt 31pt 1pt; border-bottom: black 0.75pt solid"> <P STYLE="font: 11pt Georgia,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="font: 12pt Arial,sans-serif; margin: 0; text-indent: 226pt">&nbsp;</P><P STYLE="font: 9pt Georgia,serif; margin: 0"><B>&nbsp;</B></P></DIV><P STYLE="font: 9pt Arial,sans-serif; margin: 0"><B>&nbsp;</B></P></TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify"><B>Executive Officers&#8217; Statement on the Financial Statements
</B></P>

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

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

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

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

<P STYLE="font: 10pt/110% Georgia,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&#8217; 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 25, item VI of CVM Instruction 480,
of December 7, 2009, that:</P>

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">They reviewed, discussed, and agreed with the financial statements
for the year ended December 31, 2022.</P>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">S&atilde;o Paulo, March 23, 2023.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo &#8211; SABESP</P>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Andr&eacute; Gustavo Salcedo Teixeira Mendes</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">CEO</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Catia Cristina Teixeira Pereira</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Chief Economic, Financial, and Investor Relations Officer</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Sabrina de Menezes Correa Furstenau Sabino</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Corporate Management Officer</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Paula Alessandra Bonin Costa Violante</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Technology, Project, and Environment Officer</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Roberval Tavares de Souza</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Metropolitan Officer</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Bruno Magalh&atilde;es D&#8217;Abadia</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Regional Systems Officer</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: justify; width: 100%"><P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><DIV STYLE="padding: 31pt 31pt 1pt; border-bottom: black 0.75pt solid"> <P STYLE="font: 11pt Georgia,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="font: 12pt Arial,sans-serif; margin: 0; text-indent: 226pt">&nbsp;</P><P STYLE="font: 9pt Georgia,serif; margin: 0"><B>&nbsp;</B></P></DIV><P STYLE="font: 9pt Arial,sans-serif; margin: 0"><B>&nbsp;</B></P></TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>Executive Officers&#8217; Statement on the Report of Independent
Registered Public Accounting Firm</B></P>

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

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

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

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

<P STYLE="font: 10pt/110% Georgia,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&#8217; 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 25, item V of CVM Instruction 480,
of December 7, 2009:</P>

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

<P STYLE="font: 10pt/110% Georgia,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, 2022.</P>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">S&atilde;o Paulo, March 23, 2023.</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo &#8211; SABESP</P>

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

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Andr&eacute; Gustavo Salcedo Teixeira Mendes</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">CEO</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Catia Cristina Teixeira Pereira</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Chief Economic, Financial, and Investor Relations Officer</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Sabrina de Menezes Correa Furstenau Sabino</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Corporate Management Officer</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Paula Alessandra Bonin Costa Violante</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Technology, Project, and Environment Officer</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Roberval Tavares de Souza</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Metropolitan Officer</P>

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

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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Bruno Magalh&atilde;es D&#8217;Abadia</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; text-align: justify">Regional Systems Officer</P>


<!-- Field: Page; Sequence: 150 -->
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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: justify; width: 100%"><P STYLE="font: 13pt Georgia,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,serif; margin: 0"><B>&nbsp;</B></P><DIV STYLE="padding: 31pt 31pt 1pt; border-bottom: black 0.75pt solid"> <P STYLE="font: 11pt Georgia,serif; margin: 0"><B>&nbsp;</B></P><P STYLE="font: 12pt Arial,sans-serif; margin: 0; text-indent: 226pt">&nbsp;</P><P STYLE="font: 9pt Georgia,serif; margin: 0"><B>&nbsp;</B></P></DIV><P STYLE="font: 9pt Arial,sans-serif; margin: 0"><B>&nbsp;</B></P></TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



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

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: center"><B><U>FISCAL COUNCIL&#8217;S REPORT</U></B></P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/149% Georgia,serif; margin: 1.15pt 12.05pt 0 6.95pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/149% Georgia,serif; margin: 1.15pt 12.05pt 0 6.95pt; text-align: justify">All members of the Fiscal Council of <B>COMPANHIA
DE SANEAMENTO B&Aacute;SICO DO ESTADO DE S&Atilde;O PAULO &#8211; 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, 2022, and, based on analysis conducted by Management and the Audit Committee, also considering the unqualified
Report of Independent Registered Public Accounting Firm Grant Thornton Auditores Independentes dated March 23, 2023, declare that the
aforementioned documents are in a condition to be analyzed by the Annual Shareholders&#8217; Meeting.</P>

<P STYLE="font: 10pt/83% Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/83% Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/83% Georgia,serif; margin: 0.25pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 279.85pt 0 6.95pt; text-align: justify">S&atilde;o Paulo, March 23, 2023.</P>

<P STYLE="font: 6pt/50% Georgia,serif; margin: 0.35pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia,serif; margin: 0 0 6pt; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-top: 6pt; padding-bottom: 12pt; font-family: Arial,sans-serif; line-height: 10pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">EDSON TOMAZ DE LIMA FILHO</FONT></TD>
    <TD STYLE="width: 50%; padding-top: 6pt; padding-bottom: 12pt; font-family: Arial,sans-serif; line-height: 10pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">F&Aacute;BIO BERNACCHI MAIA</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 6pt; padding-bottom: 12pt; font-family: Arial,sans-serif; line-height: 10pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">IZADORA RODRIGUES N. SIM&Otilde;ES</FONT></TD>
    <TD STYLE="padding-top: 6pt; padding-bottom: 12pt; font-family: Arial,sans-serif; line-height: 10pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">JO&Atilde;O HENRIQUE POIANI</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 6pt; padding-bottom: 12pt; font-family: Arial,sans-serif; line-height: 10pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">MARIA ELVIRA LOPES GIMENEZ</FONT></TD>
    <TD STYLE="padding-top: 6pt; padding-bottom: 12pt; font-family: Arial,sans-serif; line-height: 10pt">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 12pt/110% Georgia,serif; margin: 0 0 6pt; text-align: justify">&nbsp;</P>

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

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

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


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<P STYLE="font: 10pt/110% Georgia,serif; margin: 6pt 0; text-align: center"><B>SUMMARIZED ANNUAL REPORT OF THE STATUTORY AUDIT COMMITTEE
- 2022</B></P>

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

<P STYLE="font: 9pt/150% Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 0; text-align: justify">To the Board of Directors of</P>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo</P>

<P STYLE="font: 9pt/115% Georgia,serif; margin: 0 0 10pt">&nbsp;</P>

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<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>1.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>PRESENTATION</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">The Statutory Audit Committee (Committee) of Companhia de
Saneamento B&aacute;sico do Estado de S&atilde;o Paulo &#8211; SABESP is a body created at the Board of Directors&#8217; 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&#8217;s Audit Committee, according to the provisions of the Sarbanes-Oxley Act<I>.</I></P>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; 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&#8217;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: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">The Committee&#8217;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: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">At the Annual and Extraordinary Shareholders&#8217; Meeting
held on April 27, 2022, Messrs. Eduardo de Freitas Teixeira, Francisco Vidal Luna, and Wilson Newton de Mello Neto were elected as independent
members of the Board of Directors and members of the Statutory Audit Committee, and Mr. Eduardo de Freitas Teixeira was appointed the
Committee&#8217;s Coordinator. As of December 29, 2022, Mr. Eduardo de Freitas Teixeira delivered a letter resigning from the position
of member of the Board of Directors and Audit Committee, dated December 28, 2022. At the Board of Directors&#8217; meeting of January
19, 2023, the Board member and Audit Committee member, Francisco Vidal Luna, was appointed to act as Coordinator of the Audit Committee.</P>

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<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>2.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>ACTIVITIES PERFORMED IN THE PERIOD</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 6pt 0; text-align: justify">From March 23, 2022 to March 23, 2022, the Committee held
24 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, four were held together with the Fiscal Council.</P>

<P STYLE="font: 9pt/150% Georgia,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/150% Arial,sans-serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Review, approval, and supervision of the Internal
Audit&#8217;s work annual plan;</FONT></TD></TR></TABLE>


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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Monitoring the provisions and legal contingencies;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Monitoring the corporate risk management;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Monitoring compliance activities;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Assessment and monitoring of Internal Controls
efficacy;</FONT></TD></TR></TABLE>

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<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Whistleblower Channel: Monitoring verifications
and complaints;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Oversight of the independent auditors&#8217;
performance;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Monitoring of the Ethics Committee&#8217;s activities;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Identification and recommendation on processes
improvement, during discussions with several areas involved, as well as the monitoring of these recommendations&#8217; implementations;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Review of the Sustainability Report;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Monitoring the preparation process of financial
statements; </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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/150% Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Noto Sans Symbols; font-size: 9pt">&#9679;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Assessment and monitoring of the adequacy of
Related-party Transactions.</FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 0 0 6pt; text-align: justify">In addition, the Committee invited representatives from
several areas to monitor the following items: (i)&nbsp;Accounts receivable; (ii) cash flow evolution; (iii) works of the Permanent Commission
for the Evaluation of Amounts Involved in Environmental Contingencies; (iv) Sabesprev &#8211; Social Security Plans; (v) Project SiiS
&#8211; Sabesp&#8217;s Integrated Information System (Implantation of Net@ - Commercial System); (vi) Information Security; (vii) Special
Purpose Entities &#8211; SPE (related parties); among others.</P>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 6pt 0; text-align: justify">Additionally, the Committee members, the Company&#8217;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&#8217;s responsibilities.</P>

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<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>3.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>RECOMMENDATIONS TO IMPROVE BUSINESS PROCESSES</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">At the meetings held in the aforementioned periods with managers
of the Company&#8217;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>

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<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>4.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>ASSESSMENT OF THE EFFECTIVENESS OF INTERNAL CONTROL SYSTEMS</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; 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: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">SABESP&#8217;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>


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<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">The Internal Audit is liable for assessing the level of service
or observance by all SABESP&#8217;s areas, internal control procedures, and practices and if they have been effectively applied.</P>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; 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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<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>5.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>ASSESSMENT OF THE EFFECTIVENESS OF INTERNAL AND INDEPENDENT AUDITS</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; 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: 9pt/150% Georgia,serif; margin: 14pt 0; 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, 2022.</FONT></P>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; 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 concerning SABESP. Therefore, according to the Audit
Committee&#8217;s Charter, the Committee informs the Board of Directors that it is not aware of any type of relationship between Grant
Thornton and SABESP that may have affected its independence in performing the independent audit of the financial statements for the fiscal
year ended December 31, 2022.</P>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">No relevant divergences between SABESP&#8217;s Management,
the Independent Registered Public Accounting Firm, Grant Thornton, and the Audit Committee itself have been identified concerning the
financial statements for the fiscal year ended December 31, 2022.</P>

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<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>6.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>INTERNAL AUDIT&#8217;S STRUCTURE ADEQUACY AND BUDGET</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,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.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 14pt; margin-bottom: 14pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>7.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>EVALUATION OF THE QUALITY OF THE FINANCIAL STATEMENTS</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">Management is responsible for defining and implementing the
information systems that produce Sabesp&#8217;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>


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<P STYLE="font: 9pt/150% Georgia,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 <FONT STYLE="background-color: white">procedures, which involved the process of
drawing up </FONT>the financial statements for the fiscal year <FONT STYLE="background-color: white">ended </FONT>December 31, 2022, as
well as the respective quarterly information.</P>

<P STYLE="font: 9pt/150% Georgia,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 to internal controls and the presentation
of the financial statements.</P>

<P STYLE="font: 9pt/150% Georgia,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>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt/150% Arial,sans-serif; margin-top: 14pt; margin-bottom: 14pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 18pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>8.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>CONCLUSIONS </B></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 6pt 0; text-align: justify">The Committee&#8217;s opinions and judgments rely on information
provided by Sabesp, especially from Management, the Accounting and Legal Superintendencies, Internal Audit, Risk and Compliance 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, 2022, accompanied by the Unqualified Independent Auditor&#8217;s
Report. Therefore, the Committee advises the Board of Directors to approve the aforementioned audited Financial Statements.</P>

<P STYLE="font: 9pt/150% Georgia,serif; margin: 14pt 0; text-align: justify">S&atilde;o Paulo, March 23, 2023.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 12pt">
  <TR>
    <TD STYLE="width: 33%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>Francisco Vidal Luna</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><I>Coordinator</I></P></TD>
    <TD STYLE="width: 13%; padding-right: 5.75pt; padding-left: 5.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 54%; padding-right: 5.75pt; padding-left: 5.75pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>Wilson Newton de Mello Neto</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><I>Member</I></P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia,serif; margin: 0; 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;April 6, 2023</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>

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end
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</DOCUMENT>
</SEC-DOCUMENT>
