<SEC-DOCUMENT>0001292814-23-003724.txt : 20230828
<SEC-HEADER>0001292814-23-003724.hdr.sgml : 20230828
<ACCEPTANCE-DATETIME>20230828135208
ACCESSION NUMBER:		0001292814-23-003724
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230630
FILED AS OF DATE:		20230828
DATE AS OF CHANGE:		20230828

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:		231213982

	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>sbsitr2q23_6k.htm
<DESCRIPTION>6-K
<TEXT>
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<TITLE></TITLE>
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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;August, 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: bold 14pt Times New Roman,serif; margin: 3.9pt 0 0 7.35pt">Table of Contents</P>

<P STYLE="font: bold 14pt Times New Roman,serif; margin: 3.9pt 0 0 7.35pt">&nbsp;</P>

<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 9pt">
  <TR>
    <TD STYLE="border-top: Gray 1pt solid; border-bottom: Gray 1pt dashed; font: bold 11pt Arial, sans-serif; padding-top: 6pt; padding-left: 12px; vertical-align: middle; text-align: left; width: 89%">Company Information</TD>
    <TD STYLE="border-top: Gray 1pt solid; border-bottom: Gray 1pt dashed; font: 11pt Calibri, sans-serif; padding-top: 6pt; vertical-align: bottom; width: 11%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Capital Breakdown</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">1</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 12px; font: bold 11pt Arial, sans-serif; vertical-align: middle; text-align: left">Parent Company&rsquo;s Financial Statements</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: 11pt Calibri, sans-serif; vertical-align: bottom">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Statement of Financial Position &ndash; Assets</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">2</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Statement of Financial Position &ndash; Liabilities</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">3</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Income Statement</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">5</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Statement of Comprehensive Income</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">7</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Statement of Cash Flows (Indirect Method)</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">8</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-weight: bold; font-family: Arial, sans-serif; vertical-align: middle; text-align: left">Statement of Changes in Equity</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: 11pt Calibri, sans-serif; vertical-align: bottom">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 36px; font-family: Arial, sans-serif; text-align: left">01/01/2023 to 06/30/2023</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">10</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 36px; font-family: Arial, sans-serif; text-align: left">01/01/2022 to 06/30/2022</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">11</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Statement of Value Added</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">12</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 12px; font-family: Arial, sans-serif; vertical-align: middle; text-align: left">Comments on the Company&rsquo;s Performance&nbsp;</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: 11pt Calibri, sans-serif; vertical-align: bottom">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: 11pt Calibri, sans-serif; vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; vertical-align: middle; text-align: right">13</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 12px; font-family: Arial, sans-serif; text-align: left">Notes to the Quarterly Information</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">23</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 12px; font-family: Arial, sans-serif; text-align: left">Comments on the Company&rsquo;s Projections</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">82</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 12px; font-family: Arial, sans-serif; text-align: left">Other Information Deemed as Relevant by the Company</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">83</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 12px; font: bold 11pt Arial, sans-serif; vertical-align: middle; text-align: left">Reports and Statements</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: 11pt Calibri, sans-serif; vertical-align: bottom">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Unqualified Reports on Special Review</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">85</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Executive Officers&rsquo; Statement on the Financial Statements</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">86</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 24px; font-family: Arial, sans-serif; text-align: left">Executive Officers&rsquo; Statement on the Report of Independent Registered Public Accounting Firm</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right">87</TD></TR>
  </TABLE>

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0.3pt 0 0">&nbsp;</P>


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<P STYLE="font: bold 12pt Arial,sans-serif; margin: 4.1pt 0 0 7.35pt">Company Information / Capital Breakdown</P>


<P STYLE="font: 7pt Arial,sans-serif; margin: 0.45pt 0 0.05pt"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
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    <TD STYLE="width: 17%; padding-top: 3.7pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 9pt"><B>Number of Shares</B></FONT></TD>
    <TD STYLE="width: 83%; padding-top: 3.7pt; padding-right: 278.25pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>Current Quarter</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D2D2D2">
    <TD STYLE="padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 9pt"><B>(Unit)</B></FONT></TD>
    <TD STYLE="padding-right: 278.25pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>06/30/2023</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: gainsboro">
    <TD STYLE="padding-top: 3.75pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 8pt"><B>Paid-in Capital</B></FONT></TD>
    <TD STYLE="font-family: Arial,sans-serif; text-align: left">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 8pt"><B>Common</B></FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 278.25pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">683,509,869</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: darkgray 1pt dashed; padding-top: 2.35pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 8pt"><B>Preferred</B></FONT></TD>
    <TD STYLE="border-bottom: darkgray 1pt dashed; padding-top: 2.35pt; padding-right: 278.25pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: whitesmoke">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 8pt"><B>Total</B></FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 278.25pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">683,509,869</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: gainsboro">
    <TD STYLE="padding-top: 3.7pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 8pt"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="font-family: Arial,sans-serif; text-align: left">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 8pt"><B>Common</B></FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 278.25pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: darkgray 1pt dashed; padding-top: 2.35pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 8pt"><B>Preferred</B></FONT></TD>
    <TD STYLE="border-bottom: darkgray 1pt dashed; padding-top: 2.35pt; padding-right: 278.25pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: whitesmoke">
    <TD STYLE="padding-top: 1.3pt; padding-left: 2pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-size: 8pt"><B>Total</B></FONT></TD>
    <TD STYLE="padding-top: 1.3pt; padding-right: 278.25pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0</FONT></TD></TR>
  </TABLE>

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<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Financial Position - Assets</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 13%; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 46%; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Previous Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>12/31/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Total Assets</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">57,453,621</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">57,207,765</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Current Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,262,207</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7,284,664</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,327,173</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,867,485</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financial Investments</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">929,178</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,677,873</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financial Investments Valued at Amortized Cost</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">929,178</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,677,873</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Accounts Receivable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,520,517</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,268,367</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Trade Receivables</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,300,714</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,062,574</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.03.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Receivables</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">219,803</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">205,793</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.03.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Related-Party Balances</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">219,803</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">205,793</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Inventories</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">120,614</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">124,247</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.06</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Recoverable Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">244,820</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">242,906</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.06.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Current Recoverable Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">244,820</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">242,906</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Current Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">119,905</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">103,786</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.08.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">119,905</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">103,786</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.08.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Restricted Cash</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">37,873</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">37,474</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.01.08.03.20</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">82,032</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">66,312</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Noncurrent Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">51,191,414</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">49,923,101</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Long-Term Assets</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">10,219,214</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">10,105,800</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Accounts Receivable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">216,758</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">215,234</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Trade Receivables</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">216,758</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">215,234</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.09</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Receivables from Related Parties</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">951,059</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">950,950</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.09.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Receivables from Controlling Shareholders</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">951,059</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">950,950</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.10</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Noncurrent Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">9,051,397</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">8,939,616</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.10.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Escrow Deposits</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">195,530</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">170,093</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.10.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Water and Basic Sanitation National Agency &ndash; ANA</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,138</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">9,193</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.10.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Contract Asset </FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">8,674,300</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">8,613,968</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.01.10.20</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">176,429</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">146,362</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Investments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">201,609</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">157,491</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Equity Interest</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">154,907</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">110,765</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.02.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Equity Interest in Jointly-Owned Subsidiaries</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">122,660</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">104,666</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.02.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Investments</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">32,247</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,099</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Investment Properties</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">46,702</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">46,726</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Property, Plant and Equipment</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">371,209</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">338,939</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Intangible Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">40,399,382</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">39,320,871</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Intangible Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">40,399,382</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">39,320,871</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.04.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Concession Agreements</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,096,830</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,151,365</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.04.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Program Contracts</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">20,244,037</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">19,602,451</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.04.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Service Contracts</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">18,466,610</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">17,870,451</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.04.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Software License of Use</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">546,209</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">595,404</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.04.01.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Right of Use</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">45,696</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">75,052</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1.02.04.01.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Right of Use &ndash; Investments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">26,148</FONT></TD></TR>
  </TABLE>

<P STYLE="margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 4 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->2<!-- Field: /Sequence --> of 87&nbsp;</TD></TR></TABLE></DIV>
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    <!-- Field: /Page -->



<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Financial
Position &#8211; Liabilities</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 13%; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 46%; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Previous Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>12/31/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Total Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">57,453,621</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">57,207,765</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Current Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,449,973</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,657,342</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Social and Labor Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">900,340</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">498,504</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Social Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">38,741</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">64,801</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Labor Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">861,599</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">433,703</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Suppliers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">256,679</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">430,946</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Domestic Suppliers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">256,679</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">430,946</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Tax Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">232,698</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">293,461</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Federal Tax Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">227,138</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">282,820</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.03.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Income Tax and Social Contribution Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">112,882</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.03.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Pis-Pasep and Cofins Payable</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">22,069</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">134,624</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.03.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">INSS (Social Security Contribution) Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">45,371</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">44,515</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.03.01.20</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Federal Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">46,816</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">103,681</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.03.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Municipal Tax Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,560</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">10,641</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,578,954</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,245,960</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,302,238</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,389,864</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.04.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">In Local Currency</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,057,778</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,077,277</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.04.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">In Foreign Currency</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">244,460</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">312,587</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.04.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Debentures</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,181,049</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">739,534</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.04.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financing through Lease</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">95,667</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">116,562</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,462,216</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,264,433</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Payables to Related Parties</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,694</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,694</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Payables to Controlling Shareholders</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,694</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,694</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,460,522</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,262,739</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Dividends and Interest on Capital Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">709</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">741,725</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Services Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">588,456</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">723,242</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Refundable Amounts</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">28,358</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">30,885</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.02.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">61,381</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">100,188</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.02.07</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">207,467</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">222,413</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.02.09</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Indemnities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">9,217</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">8,556</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.05.02.20</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">564,934</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">435,730</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,019,086</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">924,038</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Tax, Social Security, Labor, and Civil Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">676,323</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">510,807</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Tax Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">35,905</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">34,382</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Pension Plan and Labor Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">497,074</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">385,580</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Civil Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">143,344</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">90,845</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">342,763</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">413,231</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions for Environmental Liabilities and Decommissioning</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,074</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">15,289</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions for Customers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">127,361</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">141,491</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.01.06.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions for Suppliers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">212,328</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">256,451</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Noncurrent Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">22,256,087</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">23,216,890</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">16,126,235</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">16,712,711</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">9,328,523</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">9,167,759</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.01.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">In Local Currency</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7,097,236</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,704,588</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.01.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">In Foreign Currency</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,231,287</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,463,171</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Debentures</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,487,071</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7,202,296</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 5 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->3<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Financial
Position &#8211; Liabilities</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 13%; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 46%; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Previous Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>12/31/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financing through Lease</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">310,641</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">342,656</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,378,693</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,628,155</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,378,693</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,628,155</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,135,644</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,150,191</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">12,566</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">12,197</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02.02.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,616,942</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,736,768</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02.02.07</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Indemnities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">15,932</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">17,508</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02.02.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Labor Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">130,913</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,620</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02.02.09</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">162,591</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">159,723</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.02.02.20</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">304,105</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">550,148</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Deferred Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">101,914</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">189,278</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Deferred Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">101,914</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">189,278</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.03.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Deferred Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">101,914</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">189,278</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">649,245</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">686,746</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Tax, Social Security, Labor, and Civil Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">191,074</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">291,317</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Tax Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">40,900</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">29,113</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Pension Plan and Labor Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">143,397</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">254,718</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Civil Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,777</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7,486</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">458,171</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">395,429</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions for Environmental Liabilities and Decommissioning</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">454,059</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">391,547</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions for Customers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,503</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,306</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.02.04.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions for Suppliers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">609</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">576</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Equity</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">28,747,561</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">27,333,533</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Paid-Up Capital</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">15,000,000</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.03.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Profit Reserves</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">12,078,963</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">12,155,890</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.03.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Legal Reserve</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,688,428</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,688,428</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.03.04.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Additional Dividend Proposed</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">76,927</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.03.04.10</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Reserve for Investments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">10,390,535</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">10,390,535</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.03.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Retained Earnings/Accumulated Losses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2.03.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Equity Valuation Adjustments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">177,643</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">177,643</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 6 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->4<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Income Statement</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 9%; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 32%; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 18%; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 14%; padding-right: 10.3pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>YTD Current</B></FONT></TD>
    <TD STYLE="width: 14%; padding-right: 6.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Same Quarter of the</B></FONT></TD>
    <TD STYLE="width: 13%; padding-right: 3.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>YTD Previous</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>04/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Year</B></FONT></TD>
    <TD STYLE="padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Previous Year</B></FONT></TD>
    <TD STYLE="padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>01/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>04/01/2022 to 06/30/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>01/01/2022 to 06/30/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.01</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Revenue from Sales and/or Services</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">6,154,537</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">11,852,906</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">5,265,400</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">10,135,790</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.02</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Cost of Sales and/or Services</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-4,210,675</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-7,864,398</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-3,531,903</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-6,648,289</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.02.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Cost of Sales and/or Services</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-2,975,843</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-5,476,551</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-2,402,428</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-4,651,293</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.3pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.02.02</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Construction Costs</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-1,234,832</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-2,387,847</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-1,129,475</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-1,996,996</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.03</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Gross Profit</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,943,862</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3,988,508</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,733,497</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3,487,501</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Operating Expenses/Income</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-872.981</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-1,525,154</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-819,385</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-1,439,311</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Selling Expenses</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-502,663</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-891,125</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-486,457</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-860,738</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.01.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Selling Expenses</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-285,237</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-510,894</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-233,525</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-430,112</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.01.02</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Allowance for Doubtful Accounts</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-217,426</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-380,231</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-252,932</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-430,626</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.02</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">General and Administrative Expenses</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-430,852</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-715,530</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-341,202</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-594,994</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.3pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.04</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Other Operating Income</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">58,609</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">78,960</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">13,562</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">23,870</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.04.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Other Operating Income</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">64,563</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">87,608</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">14,937</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">26,342</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.04.02</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-5,954</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-8,648</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-1,375</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-2,472</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.05</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Other Operating Expenses</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-8,122</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-13,840</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-11,211</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-18,955</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.04.06</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Equity Pickup</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">10,047</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">16,381</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">5,923</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">11,506</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.05</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Income before Financial Result and Taxes</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,070,881</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">2,463,354</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">914,112</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">2,048,190</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.06</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Financial Result</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-14,047</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-273,576</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-324,374</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">15,750</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.3pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.06.01</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Financial Revenue </FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">205,173</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">424,292</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">230,160</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">429,173</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.06.01.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Financial Revenue</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">214,329</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">444,437</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">239,441</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">449,484</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.06.01.02</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Exchange Variation Gains</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">772</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">571</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,853</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.4pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">590</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.06.01.03</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-9,928</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-20,716</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-11,134</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-20,901</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.06.02</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Financial Expenses</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-219,220</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-697,868</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-554,534</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-413,423</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.06.02.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Financial Expenses</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-482,929</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-1,045,400</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-489,726</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-942,744</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.3pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.06.02.02</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Exchange Variation Losses</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">263,709</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">347,532</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-64,808</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">529,321</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.07</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Profit before Taxes on Income</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,056,834</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">2,189,778</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">589,738</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">2,063,940</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.08</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-313,091</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-698,823</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-167,280</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-665,943</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.08.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Current</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-402,699</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-786,187</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-180,174</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">-669.679</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.08.02</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Deferred</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">89,608</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">87,364</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">12,894</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.45pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3,736</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 7 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->5<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Income Statement</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 10%; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 29%; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 19%; padding-right: 8.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 15%; padding-right: 10.5pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>YTD Current</B></FONT></TD>
    <TD STYLE="width: 14%; padding-right: 7.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Same Quarter of the</B></FONT></TD>
    <TD STYLE="width: 13%; padding-right: 4.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>YTD Previous</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 8.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>04/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="padding-right: 8.25pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Year</B></FONT></TD>
    <TD STYLE="padding-right: 4.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Previous Year</B></FONT></TD>
    <TD STYLE="padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 8.25pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>01/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 4.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>04/01/2022 to 06/30/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>01/01/2022 to 06/30/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.09</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Net Income from Continuing Operations</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.25pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">743,743</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.25pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 4.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">422,458</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,397,997</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.11</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Profit/Loss for the Period</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.25pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">743,743</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.25pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">422,458</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,397,997</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.99</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Earnings per Share - (Reais/Share)</FONT></TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.3pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.99.01</FONT></TD>
    <TD STYLE="padding-top: 2.3pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Basic Earnings per Share</FONT></TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.99.01.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Common </FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.25pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1.08812</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.3pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">2.18132</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">0.61807</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">2.04532</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.99.02</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Diluted Earnings per Share</FONT></TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">3.99.02.01</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Common </FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.25pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1.08812</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.3pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">2.18132</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">0.61807</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">2.04532</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 8 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->6<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Comprehensive
Income</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 29%; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 21%; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 15%; padding-right: 10.35pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>YTD Current</B></FONT></TD>
    <TD STYLE="width: 14%; padding-right: 6.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Same Quarter of the</B></FONT></TD>
    <TD STYLE="width: 14%; padding-right: 3.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>YTD Previous</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>04/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Year</B></FONT></TD>
    <TD STYLE="padding-right: 4.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Previous Year</B></FONT></TD>
    <TD STYLE="padding-right: 1.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>01/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 4.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>04/01/2022 to 06/30/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 1.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>01/01/2022 to 06/30/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">4.01</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Net Income for the Period</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">743,743</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 4.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">422,458</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 1.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,397,997</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.35pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">4.03</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-left: 8.2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Comprehensive Income for the Period</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.15pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">743,743</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 8.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 4.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">422,458</FONT></TD>
    <TD STYLE="padding-top: 2.35pt; padding-right: 1.65pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">1,397,997</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 9 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->7<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Cash Flows
&#8211; Indirect Method</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 7.45pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 47%; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 21%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 8.25pt 0 0; text-align: right"><B>YTD Current</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 5.75pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 21%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.4pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 1.95pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>01/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>01/01/2022 to 06/30/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Net Cash from Operating Activities</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,513,027</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,763,870</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Cash from Operations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,151,233</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">4,353,847</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Profit before Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,189,778</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,063,940</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provision and Inflation Adjustments on Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">196,776</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">196,108</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Finance Charges from Customers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-196,290</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-192,460</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.05</FONT></TD>
    <TD STYLE="padding-top: 2pt; padding-right: 11pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Residual Value of Property, Plant and Equipment, Intangible Assets, and Investment Properties Written-off</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,304</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,132</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.06</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Depreciation and Amortization</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,327,916</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,187,911</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.07</FONT></TD>
    <TD STYLE="padding-top: 2pt; padding-right: 11pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Interest on Borrowings and Financing Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">616,940</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">467,713</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.65pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.08</FONT></TD>
    <TD STYLE="padding-top: 1.9pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Inflation Adjustment and Exchange Gains (Losses) on Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.65pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-238,972</FONT></TD>
    <TD STYLE="padding-top: 1.65pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-367,162</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.09</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Interest and Inflation Adjustments on Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">11,586</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">16,962</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.10</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Interest and Inflation Adjustments on Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-123,034</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-23,479</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.11</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Allowance for Doubtful Accounts</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">380,231</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">430,626</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.12</FONT></TD>
    <TD STYLE="padding-top: 2pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provision for Consent Decree (TAC) and Separation Incentive Program (PDI)</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">529,245</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-650</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.13</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Equity Pickup</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-16,381</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-11,506</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.14</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Interest and Inflation Adjustment - PPP</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">245,427</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">245,923</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.15</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Adjustments</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">13,816</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7,639</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.16</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Transfer to the S&atilde;o Paulo Municipal Government</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">159,970</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">277,747</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.17</FONT></TD>
    <TD STYLE="padding-top: 2pt; padding-right: 3.5pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Construction Margin on Intangible Assets Arising from Concession Agreements</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-54,921</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-45,930</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.01.18</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">103,842</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">94,333</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Changes in Assets and Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-2,129,560</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,354,538</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Trade Receivables</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-407,986</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-430,272</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Related-Party Balances and Transactions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">4,834</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-13,148</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Inventories</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,633</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-9,373</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Recoverable Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,914</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-11,109</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-36,865</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-17,477</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Escrow Deposits</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-17,109</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">3,418</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Trade Payables and Contractors</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-411,979</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-223.755</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.09</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Social and Labor Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,847</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">33,207</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.10</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-118,389</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-110,672</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.11</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Taxes and Contributions Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-240,857</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-64,599</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.12</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Services Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-294,756</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-165,337</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.13</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-473,658</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-209,921</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.14</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-139,229</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-136,721</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.02.15</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,868</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,221</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,508,646</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,235,439</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Interest Paid</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-902,553</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-574,784</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.01.03.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Income Tax and Social Contribution Paid</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-606,093</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-660,655</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Net Cash from Investing Activities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-723,812</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,077,680</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Acquisition of Contract Asset and Intangible Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,505,652</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,494,633</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Acquisition of Property, Plant and Equipment</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-40,286</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-22,800</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Investments</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-6,304</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Restricted Cash</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-399</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-3,125</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 10 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->8<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Cash Flows
&#8211; Indirect Method</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 10%; padding-right: 7.45pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 43%; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 26%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 8.3pt 0 0; text-align: right"><B>YTD Current</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 5.8pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 21%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.45pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 2pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>01/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>01/01/2022 to 06/30/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.02.07</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financial Investments</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">828,829</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">442,878</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Net Cash from Financing Activities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,329,527</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-760.550</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Funding</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">833,095</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,181,233</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.03.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Amortization</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-917,982</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,007,862</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.03.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Payment of Interest on Capital</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-823,671</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-603,541</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.03.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-380,199</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-316,230</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.03.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-40,770</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-14,150</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Increase (Decrease) in Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-540,312</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-74,360</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.05.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Opening Balance of Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,867,485</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">717,929</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6.05.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Closing Balance of Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,327,173</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">643,569</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 11 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->9<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Changes in
Equity &#8211; 01/01/2023 to 06/30/2023</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border-bottom: black 1pt solid; padding-right: 5.5pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 14%; border-bottom: black 1pt solid; padding-left: 43.25pt; text-align: left; font-family: Arial,sans-serif; text-indent: -4.7pt"><FONT STYLE="font-size: 7pt"><B>Paid-up Capital</B></FONT></TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding-right: 14.8pt; padding-left: 8.8pt; text-align: justify; font-family: Arial,sans-serif; text-indent: 4.2pt"><FONT STYLE="font-size: 7pt"><B>Capital Reserves, Options Granted, and Treasury Shares</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt"><B>Profit Reserves</B></FONT></TD>
    <TD STYLE="width: 24%; border-bottom: black 1pt solid">
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 15.8pt 0 0; text-align: right"><B>Retained Earnings/Accumulated</B></P>
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 13.85pt 0 0; text-align: right"><B>Losses</B></P></TD>
    <TD STYLE="width: 15%; border-bottom: black 1pt solid">
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 16.2pt 0 0; text-align: right"><B>Other Comprehensive</B></P>
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.2pt 0 0; text-align: right"><B>Income</B></P></TD>
    <TD STYLE="width: 8%; border-bottom: black 1pt solid; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt"><B>Equity</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.01</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Opening Balances</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 11.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">12,155,890</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 13.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">177,643</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">27,333,533</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.03</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Restated Opening Balances</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">12,155,890</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">177,643</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">27,333,533</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.04</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Capital Transactions with Partners</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">-76,927</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">-76,927</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.9pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.04.08</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Additional Minimum Dividends, approved</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 8.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">-76,927</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 13.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 1.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">-76,927</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.05</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Total Comprehensive Income</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,490,955</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.05.01</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Net Income for the Period</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,490,955</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.07</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Closing Balances</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">12,078,963</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">177,643</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">28,747,561</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->10<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Changes in
Equity - 01/01/2022 to 06/30/2022</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border-bottom: black 1pt solid; padding-right: 5.5pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 15%; border-bottom: black 1pt solid; padding-left: 43.25pt; text-align: left; font-family: Arial,sans-serif; text-indent: -4.7pt"><FONT STYLE="font-size: 7pt"><B>Paid-up Capital</B></FONT></TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding-right: 14.8pt; padding-left: 8.8pt; text-align: justify; font-family: Arial,sans-serif; text-indent: 4.2pt"><FONT STYLE="font-size: 7pt"><B>Capital Reserves, Options Granted, and Treasury Shares</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt"><B>Profit Reserves</B></FONT></TD>
    <TD STYLE="width: 24%; border-bottom: black 1pt solid">
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 15.8pt 0 0; text-align: right"><B>Retained Earnings/Accumulated</B></P>
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 13.85pt 0 0; text-align: right"><B>Losses</B></P></TD>
    <TD STYLE="width: 15%; border-bottom: black 1pt solid">
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 16.2pt 0 0; text-align: right"><B>Other Comprehensive</B></P>
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.2pt 0 0; text-align: right"><B>Income</B></P></TD>
    <TD STYLE="width: 8%; border-bottom: black 1pt solid; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt"><B>Equity</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.01</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Opening Balances</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 11.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">9,885,485</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 13.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">46,374</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">24,931,859</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.03</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Restated Opening Balances</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">9,885,485</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">46,374</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">24,931,859</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.04</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Capital Transactions with Partners</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">-55,630</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">-55,630</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.9pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.04.08</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Additional Minimum Dividends, approved</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 8.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">-55,630</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 13.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 1.95pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">-55,630</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.05</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Total Comprehensive Income</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,397,997</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,397,997</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.05.01</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Net Income for the Period</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.7pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,397,997</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,397,997</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">5.07</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">Closing Balances</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.85pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">9,829,855</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.9pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">1,397,997</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">46,374</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 7pt">26,274,226</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>Parent Company&#8217;s Financial Statements / Statement of Value Added</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>(R$ thousand)&nbsp;</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 7.45pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 46%; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 8.3pt 0 0; text-align: right"><B>YTD Current</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 5.8pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.5pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 2.05pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; text-align: left; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>01/01/2023 to 06/30/2023</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 2.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>01/01/2022 to 06/30/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.01</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Revenue</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">12,251,695</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 2.1pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">10,388,334</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Goods, Products, and Services Sold</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">10,101,550</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">8,749,692</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other Revenue</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">87,608</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">26,342</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Revenue from Construction of Own Assets</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,442,768</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">2,042,926</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Allowance for/Reversal of Doubtful Accounts</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-380,231</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-430,626</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Inputs Acquired from Third Parties</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-5,142,514</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-4,598,509</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Costs of Goods, Products and Services Sold</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-4,382,630</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-3,891,503</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Materials, Electricity, Outsourced Services, and Others</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-746,044</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-688,051</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-13,840</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-18,955</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Gross Value Added</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7,109,181</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,789,825</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Retentions</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,327,916</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,187,911</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Depreciation, Amortization, and Depletion</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,327,916</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">-1,187,911</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Net Value Added Produced</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,781,265</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">4,601,914</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Value Added Received in Transfer</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">461,389</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">461,580</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.06.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Equity Pickup</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">16,381</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">11,506</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.06.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financial Revenue </FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">445,008</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">450,074</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.07</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Total Value Added to Distribute</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,242,654</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,063,494</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Value Added Distribution </FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">6,242,654</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">5,063,494</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Personnel</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,921,998</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,281,549</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Direct Compensation</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,496,151</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">921,256</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Benefits</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">348,743</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">286,789</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Government Severance Indemnity Fund for Employees (FGTS)</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">77,104</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">73,504</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Taxes, Fees, and Contributions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,771,249</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,678,239</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Federal</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,651,517</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,564,208</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">State</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">86,041</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">81,906</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Municipal</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">33,691</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">32,125</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Value Distributed to Providers of Capital</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,058,452</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">705,709</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Interest</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,043,692</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">693,345</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.03.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Rentals</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">14,760</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">12,364</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Value Distributed to Shareholders</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,397,997</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">7.08.04.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; text-align: left; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Retained Earnings/Accumulated Losses for the Period</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,490,955</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">1,397,997</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B></B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0"><B>&nbsp;</B></P>




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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->12<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 14pt Arial,sans-serif; margin: 0; color: navy"><B>Highlights</B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 6pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 6pt 0; text-align: justify">In 2Q23, Adjusted EBITDA totaled R$ 2,220.8 million,
up by R$ 710.9 million (+47.1%) over the R$ 1,509.9 million reported in 2Q22, excluding the effects of the Separation Incentive Program
- PDI. Consequently, the EBITDA margin adjusted to the PDI reached 36.1% compared to 28.7%, and the adjusted EBITDA margin (excluding
both the PDI and the construction revenue) reached 45.4% compared to the 36.7% reported in 2Q22.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 6pt 0; text-align: justify">Including the effects of the PDI, adjusted EBITDA totaled
R$ 1,691.2 million, up by R$ 181.3 million (+12.0%) over the R$ 1,509.9 million reported in 2Q22.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">Excluding the provision for the PDI, net income came to
R$ 1,273.3 million in 2Q23, up by R$ 850.9 million (+201%). Including the effect of the PDI, net income came to R$ 743.7 million in 2Q23,
compared to the R$ 422.4 million reported in 2Q22, an increase of R$ 321.3 million (+76.1%).</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify"><B>Revenue from sanitation services</B></P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">Increase of R$ 740.8 million (+16.6%), impacted by (i)
an average impact of 11.9%, resulting from the tariff adjustments of 12.8% implemented since May 2022 and 9.6% implemented since May 2023;
(ii) a 2.6% increase in total billed volume; and (iii) a higher average tariff due to the increase in ranges with higher consumption in
the residential category.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify"><B>Separation Incentive Program - PDI</B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">In June 2023, the Company implemented the PDI to pacifically
reduce the workforce. The deadline for registrations in the PDI was from June 1 to 30, 2023, and had the adhesion of 1,862 employees,
whose employment terminations are being analyzed and will occur from July 1, 2023 to June 30, 2024.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">In 2Q23, the Company recorded a provision of R$ 529.6 million
for the indemnity incentives of the employees who joined the PDI, with a payback slightly higher than 12 months.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify"><B>Impacts from the exchange variation</B></P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">In 2Q23, there was a positive exchange variation, with
a YoY impact of R$ 328.5 million, due to the depreciation of the U.S. Dollar and the Yen in 2Q23, compared to the appreciation of the
U.S. Dollar and the depreciation of the Yen in 2Q22, as shown below:</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 70%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 16%; border: Black 1pt solid; font: 11pt Arial,sans-serif; background-color: #95B3D7; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-size: 8pt"><B>2Q23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; background-color: #95B3D7; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-size: 8pt"><B>2Q22</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-size: 8pt">Foreign currency debt - R$ million</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-size: 8pt">2,475.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-size: 8pt">2,695.1</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-size: 8pt">Foreign currency debt as a percentage of total debt </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-size: 8pt">13.2%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-size: 8pt">15.2%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-size: 8pt">U.S. dollar variation in the quarter </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-size: 8pt">(5.1%)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-size: 8pt">10.6%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-size: 8pt">Yen variation in the quarter</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-size: 8pt">(12.8%)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Arial,sans-serif; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-size: 8pt">(1.1%)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt Arial,sans-serif; margin: 0 0 0 3.8pt; text-align: justify"><I>&nbsp;</I></P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify"><B>Organizational structure and bidding process of Ol&iacute;mpia</B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">In the last six months, the Company underwent a restructuring
process and reorganized the boards so that decision-making considers a unified and strategic corporate vision. Management has been making
efforts towards gains in efficiency and discipline in capital allocation, including the review of the investment plan and the approval
of a Shared Services Center, which is currently being created.</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 1cm 0 0; text-align: justify">In May, competing with eight other companies in a bidding
process, the Company was awarded with a contract to provide water supply and sewage services in the municipality of Ol&iacute;mpia for
a period of 30 years. It was the first time in history that a state-owned company won a basic sanitation bidding process in Brazil.</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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>1.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Result for the period</B></FONT></TD></TR></TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="9" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">Comments on the Company&#8217;s Performance &nbsp; &nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>Var.</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 39%; border-left: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2Q23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 5%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>%</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>1H23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>1H22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 6%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Revenue from sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">5,192.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4,451.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">740.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">16.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">10,101.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">8,749.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,351.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">15.5</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construction revenue</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,263.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,154.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">108.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">9.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2,442.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2,042.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">399.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">19.6</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;COFINS and PASEP/TRCF taxes</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(301.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(340.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">39.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(11.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(691.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(656.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(34.6)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">5.3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>(=) Net operating income</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>6,154.5</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>5,265.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>889.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>16.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>11,853.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>10,135.8</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,717.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>16.9</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Costs and expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(3,909.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(3,230.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(679.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">21.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(7,083.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(6,107.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(976.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">16.0</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construction costs</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(1,234.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(1,129.5)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(105.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">9.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(2,387.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(1,997.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(390.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">19.6</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equity pickup</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">10.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">5.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">69.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">16.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">11.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">42.6</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other operating income (expenses), net</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">50.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">48.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2,004.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">65.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">60.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,228.6</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>(=) Earnings before financial result, income tax, and social contribution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,070.8</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>914.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>156.7</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>17.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,463.5</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,048.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>415.3</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>20.3</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial result</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(14.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(324.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">310.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(95.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(273.6)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">15.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(289.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(1,842.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>(=) Earnings before income tax and social contribution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,056.8</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>589.7</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>467.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>79.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,189.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,063.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>126.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>6.1</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(313.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(167.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(145.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">87.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(698.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(665.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(32.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4.9</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>(=) Net income</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>743.7</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>422.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>321.3</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>76.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1491.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,398.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>93.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>6.7</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Earnings per share (R$)*</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1.09</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0.62</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2.18</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2.05</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 8pt Arial,sans-serif; margin: 0; color: red"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 50.4pt 0 0"><FONT STYLE="font-size: 9pt"><I>*</I></FONT><I> <FONT STYLE="font-size: 7pt">Number
of shares = 683,509,869</FONT></I></P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; color: navy"><B>Adjusted EBITDA Reconciliation (Non-accounting measures)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="9" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>Var.</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 37%; border-left: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2Q23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>%</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>1H23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>1H22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 8%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net income</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">743.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">422.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">321.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">76.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,491.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,398.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">93.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">6.7</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PDI</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">529.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">529.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">529.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">529.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt; color: black"><B>(=) Adjusted Net Income (excluding the PDI)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,273.3</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>422.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>850.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>201.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,020.7</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,398.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>622.7</B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>44.5</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">313.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">167.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">145.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">87.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">698.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">665.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">32.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4.9</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial result</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">14.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">324.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(310.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(95.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">273.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(15.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">289.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(1,842.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other operating income (expenses), net</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(50.5)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(2.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(48.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2,004.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(65.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(4.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(60.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,228.6</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Depreciation and amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">670.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">598.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">72.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">12.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,327.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,187.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">140.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">11.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>(=) Adjusted EBITDA (excluding PDI)**</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,220.8</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,509.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>710.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>47.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>4,255.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>3,231.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,024.7</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>31.7</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(%) Adjusted EBITDA margin (excluding PDI)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt; color: black">36.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt; color: black">28.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt; color: black">35.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt; color: black">31.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 24.95pt; font-family: Arial,sans-serif; text-indent: -24.95pt"><FONT STYLE="font-size: 8pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(%) Adjusted EBITDA margin (excluding the PDI) on&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net Revenue, excluding Construction</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt; color: black">45.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt; color: black">36.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt; color: black">45.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt; color: black">39.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 11pt Arial,sans-serif; margin: 0; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 7pt Arial,sans-serif; margin: 0 4cm 0 0; text-transform: uppercase; text-align: justify; text-indent: -7.1pt"><I>** <FONT STYLE="text-transform: none">Adjusted
EBITDA corresponds to income before: (i) other operating income (expenses), net; (ii) financial result; (iii) income tax and social contribution;
and (iv) depreciation and amortization expenses.</FONT></I></P>

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

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 49.6pt 6pt 0; text-align: justify">The net operating revenue, which includes construction
revenue, totaled R$ 6154.5 million, an increase of 16.9% over 2Q22.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 49.6pt 6pt 0; text-align: justify">Excluding construction costs and the provision for
PDI, costs and expenses totaled R$ 3,379.8 million, an increase of R$ 149.7 million (R$ 4.6%). Considering the PDI and construction costs,
costs and expenses totaled R$ 5,144.2 million, an increase of 18.0%.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 49.6pt 6pt 0; text-align: justify">Adjusted EBIT, of R$ 1,020.3 million, increased by
11.9% over the R$ 911.7 million recorded in 2Q22.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 49.6pt 6pt 0; text-align: justify">Excluding the effects of PDI, adjusted EBITDA was
R$ 2,220.8 million in 2Q23 (R$ 8,112.3 million in the last 12 months), with an adjusted EBITDA margin of 36.1% (34.1% in the last 12 months).</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 49.6pt 6pt 0; text-align: justify">Considering the PDI and the effects of revenue and
construction costs, adjusted EBITDA totaled R$ 1,691.2 million, up by 12.0% over the R$ 1,509.9 million reported in 2Q22 (R$ 7,582.7 million
in the last 12 months).</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: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->14<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 49.6pt 6pt 0; text-align: justify">Excluding the effects of revenue and construction
costs, the adjusted EBITDA margin reached 34.0% in 2Q23, compared to 36.1% in 2Q22 (40.3% in the last 12 months).</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 49.6pt 6pt 0; text-align: justify">The Adjusted EBITDA margin was 27.5% in 2Q23, compared
to 28.7% in 2Q22 (31.9% in the last 12 months).</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 49.6pt 6pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>2.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Revenue from sanitation services</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 6pt 0; text-align: justify">The gross operating revenue from sanitation services,
which excludes construction revenue, totaled R$ 5,192.3 million in 2Q23, an increase of R$ 740.8 million (+16.6%) over the R$ 4,451.5
million recorded in 2Q22.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 21.25pt 6pt 0; text-align: justify">The main factors that led to the increase were:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 7.1pt">An average impact of 11.9%, resulting from the tariff adjustments of 12.8% implemented
since May 2022 and 9.6% implemented since May 2023;</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 7.1pt">An increase of 2.6% in the total billed volume; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 7.1pt">A rise in the average tariff due to the increase in ranges with higher consumption
in the residential category.</TD></TR></TABLE>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 6pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 21.25pt 0 0; text-align: justify; color: red">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>3.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Construction revenue</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">Construction revenue increased by R$108.5 million (+9.4%),
due to higher investments made.</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: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->15<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>4.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Billed volume</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 21.25pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">The following tables show the water and sewage billed
volumes, on a quarter-over-quarter and year-over-year basis, per customer category.</P>

<P STYLE="font: 10pt Arial,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: 11pt">
  <TR STYLE="vertical-align: top; background-color: #9BC2E6">
    <TD COLSPAN="11" STYLE="border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>WATER AND SEWAGE BILLED VOLUME<SUP>(1)</SUP> PER CUSTOMER CATEGORY &#8211; million m<SUP>3</SUP></B></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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Water</B></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Sewage</B></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Water + Sewage</B></TD>
    <TD STYLE="font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; width: 31%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><B>Category</B></TD>
    <TD STYLE="width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>2Q23</B></TD>
    <TD STYLE="width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>2Q22</B></TD>
    <TD STYLE="width: 7%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Var. %</B></TD>
    <TD STYLE="width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>2Q23</B></TD>
    <TD STYLE="width: 7%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>2Q22</B></TD>
    <TD STYLE="width: 7%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Var. %</B></TD>
    <TD STYLE="width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>2Q23</B></TD>
    <TD STYLE="width: 8%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>2Q22</B></TD>
    <TD STYLE="width: 7%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Var. %</B></TD>
    <TD STYLE="width: 1%; font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Residential</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">476.9</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">465.9</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">2.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">418.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">406.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">3.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">895.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">872.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">2.6</TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Commercial</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">47.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">46.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">2.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">45.5</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">44.8</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">93.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">91.5</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.9</TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Industrial</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">8.8</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">8.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">9.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">9.5</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">18.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">18.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.1</TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Public</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">12.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">11.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">3.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">10.9</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">10.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">7.9</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">23.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">21.8</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">5.5</TD>
    <TD STYLE="font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><B>Total Retail</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>545.5</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>533.0</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2.3</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>484.7</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>471.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2.9</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1,030.2</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1,004.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2.6</B></TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Wholesale <SUP>(2)</SUP></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">11.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">12.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">(4.1)</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">5.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">4.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">31.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">17.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">16.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">4.9</TD>
    <TD STYLE="font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><B>Overall Total</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>557.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>545.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2.2</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>490.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>475.2</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>3.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1,047.2</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1,020.3</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2.6</B></TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Water</B></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Sewage</B></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Water + Sewage</B></TD>
    <TD STYLE="font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><B>Category</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>1H23</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>1H22</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Var. %</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>1H23</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>1H22</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Var. %</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>1H23</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>1H22</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #DDEBF7; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>Var. %</B></TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Residential</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">948.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">935.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">831.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">813.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">2.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1,779.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1,748.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.8</TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Commercial</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">94.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">91.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">3.3</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">89.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">87.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">183.3</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">178.8</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">2.5</TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Industrial</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">17.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">17.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">2.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">19.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">18.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">36.4</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">35.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">2.0</TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Public</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">22.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">21.3</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">4.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">20.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">18.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">7.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">42.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">40.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">5.5</TD>
    <TD STYLE="font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><B>Total Retail</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1,082.3</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1,064.6</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1.7</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>959.3</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>938.5</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2.2</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2,041.6</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2,003.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1.9</B></TD>
    <TD STYLE="font-family: Arial,sans-serif">&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: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify">Wholesale <SUP>(2)</SUP></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">23.8</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">24.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">(1.7)</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">10.8</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">9.9</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">9.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">34.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">34.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">1.5</TD>
    <TD STYLE="font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><B>Overall Total</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1,106.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1,088.8</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1.6</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>970.1</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>948.4</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2.3</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2,076.2</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>2,037.2</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><B>1.9</B></TD>
    <TD STYLE="font-family: Arial,sans-serif">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 8pt Arial,sans-serif; margin: 0; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none"><I>1
Unaudited by external auditors</I></FONT></P>

<P STYLE="font: 8pt Arial,sans-serif; margin: 0; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none"><I>2
Wholesale includes volumes of reuse water and non-domestic sewage</I></FONT></P>



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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->16<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>5.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Costs, administrative &amp; selling expenses, and construction
costs</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">Costs, administrative and selling expenses increased
by R$ 679.3 million in 2Q23 (+21.0%). Excluding the provision for the PDI, the increase was R$ 149.7 million (+4.6%).</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">Costs, administrative and selling expenses as a percentage
of net revenue (excluding construction revenue) were 79.9% in 2Q23 compared to 78.6% in 2Q22. Excluding the effects of the PDI, the share
in 2Q23 was 69.1%.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR>
    <TD COLSPAN="9" STYLE="white-space: nowrap; vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;R$ million</I></B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>Var.</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2Q23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>%</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>1H23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>1H22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>R$</B></FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Salaries, payroll charges and benefits, and Pension plan obligations</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,347.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">776.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">571.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">73.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2,091.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,444.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">647.4</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">44.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">General supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">90.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">109.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(19.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(17.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">177.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">181.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(3.5)</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(1.9)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Treatment supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">138.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">142.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(4.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(2.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">303.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">289.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">13.6</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4.7</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Services</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">643.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">599.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">43.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">7.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,268.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,111.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,56.7</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">14.1</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Electricity</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">386.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">376.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">10.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">782.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">788.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(5.4)</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(0.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">General expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">395.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">356.7</FONT></TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">38.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">10.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">710.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">635.8</FONT></TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">74.6</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">11.7</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Share of the municipal government in the collection</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>207.0</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>172.3</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>34.7</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>20.1</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>393.5</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>335.2</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>58.3</I></FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>17.4</I></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other general expenses</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>188.6</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>184.4</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>4.2</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>2.3</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>316.9</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>300.6</I></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>16.3</I></FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><I>5.4</I></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Tax expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">19.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">18.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">41.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">37.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">3.2</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">8.4</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">670.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">598.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">72.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">12.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,327.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,187.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">140.0</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">11.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">217.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">252.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(35.5)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(14.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">380.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">430.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(50.4)</FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">(11.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt"><B>Costs, administrative &amp; selling expenses</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>3,909.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>3,230.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>679.3</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>21.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>7,083.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>6,107.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>976.2</B></FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>16.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">% of net revenue (excluding construction revenue)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">79.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">78.6</FONT></TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">75.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">75.5</FONT></TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">% of net revenue (excluding construction revenue and the PDI)</FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">69.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">78.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">69.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">75.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="width: 52%">&nbsp;</TD>
    <TD STYLE="width: 7%">&nbsp;</TD>
    <TD STYLE="width: 7%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 7%">&nbsp;</TD>
    <TD STYLE="width: 7%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>Salaries, payroll charges and benefits, and Pension
plan obligations</B></P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">The R$ 571.4 million increase (+73.6%) recorded in
2Q23 was mainly due to:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">An increase of R$ 529.6 million, due to the provision created for employees who
joined the PDI; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">The salary adjustment of 4.9% (R$ 19.5 million) in May 2023 and the application
of 1% referring to the Career and Salary Plan in February 2023, partially offset by the 1.5% decline in the average number of employees.</TD></TR></TABLE>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>General supplies</B></P>

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">Decrease of R$ 19.1 million (-17.4%), spread across
various items, the main ones as follows:</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">R$ 3.3 million with fuel and lubricants;</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">R$ 1.9 million for the maintenance of water and sewage networks, connections,
and systems; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">R$ 1.8 million for the conservation of furniture and facilities.</TD></TR></TABLE>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>Services</B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">Service expenses totaled R$ 643.1 million, an increase
of R$ 43.7 million (+7.3%) over the R$ 599.4 million recorded in 2Q22. The main increases were:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">R$ 31.8 million paid to technical services, mainly IT consulting, maintenance,
and support; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">R$ 23.1 million for the maintenance of water and sewage networks, connections,
and systems.</TD></TR></TABLE>




<!-- Field: Page; Sequence: 19 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->17<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">The increases above were offset by the R$ 11.2 million
decrease in advertising services.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>Electricity</B></P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">Electricity expenses totaled R$ 386.8 million in
2Q23, an increase of R$ 10.7 million (+2.8%) from the R$ 376.1 million recorded in 2Q22. The main factor that contributed to this variation
was the R$ 11.3 million increase in expenses with natural gas, referring to a contract for water pumping between reservoirs. In 2Q23,
services were not used but the payment was made to fulfill the contractual obligations of the termination, which was in the &#8220;Take
or Pay&#8221; model, the only option offered by Comg&aacute;s to supply the Rio Grande Taia&ccedil;upeba Raw Water Pumping Station at
the time of contracting in 1Q21.</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">The Free Market Tariffs (ACL) accounted for 54.3%
of total expenses in 2Q23 (49.4% in 2Q22), while the Regulated Market Tariffs (ACR) accounted for 45.7% in the same period (50.6% in 2Q22).</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">The variations in the ACL and ACR tariffs and consumption
were offset against each other and did not have a significant impact on total expenses.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>General expenses </B></P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">Increase of R$ 38.9 million (+10.9%), totaling R$
395.6 million in 2Q23, compared to the R$ 356.7 million recorded in 2Q22, mainly from the higher provision for transfer to the Municipal
Funds for Environmental Sanitation and Infrastructure, of R$ 34.7 million.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify; color: navy"><B>Depreciation and amortization</B></P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">The R$ 72.7 million increase (+12.2%) was mainly
due to the beginning of operations of intangible assets, totaling R$ 5.9 billion.</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>Allowance for doubtful accounts</B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">Decrease of R$ 35.5 million (-14.0%), from the R$
252.9 million recorded in 2Q22 to R$ 217.4 million in 2Q23, due to higher recovery from the implementation of agreements in 2Q23.</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>6.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Other net operating income (expenses)</B></FONT></TD></TR></TABLE>

<P STYLE="font: 14pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">Increase of R$ 48.1 million, mainly due to a higher
application of contractual fines to suppliers in 2Q23, of R$ 44.4 million.</P>



<!-- Field: Page; Sequence: 20 -->
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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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>7.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Financial result</B></FONT></TD></TR></TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 57%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B><I>R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>2Q23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>2Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financial expenses, net of revenue</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(219.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(157.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(62.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">39.6</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Monetary and exchange variations, net</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">205.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(167.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">372.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(222.8)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Financial Result</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(14.0)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(324.4)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>310.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(95.7)</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>Financial expenses, net of revenue</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 58%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B><I>R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>2Q23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>2Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financial expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">&nbsp;&nbsp;&nbsp;Interest and charges on domestic borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(254.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(215.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(38.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">17.7</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">&nbsp;&nbsp;&nbsp;Interest and charges on international borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(23.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(9.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(13.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">136.7</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">&nbsp;&nbsp;&nbsp;Other financial expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(96.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(92.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(3.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">4.0</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Total financial expenses</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(373.6)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(318.3)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(55.3)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>17.4</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Financial revenue</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">154.2</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">161.1</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(6.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(4.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Financial expenses, net of revenue</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(219.4)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(157.2)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(62.2)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>39.6</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 0 0; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none">The
main impacts resulted from:</FONT></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">An increase of R$ 38.2 million in interest and charges on domestic borrowings
and financing, mainly due to (i) funding from IDB Invest 2022 and IDB Invest 2023 (in July 2022 and May 2023, respectively), with an impact
of R$ 25.4 million in interest in local currency; and (ii) an increase in the average DI rate (from 12.38% in 2Q22 to 13.65% in 2Q23);</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">An increase of R$ 13.4 million in interest and charges on international borrowings
and financing, mainly due to an increase in the interest rate of some contracts with IDB and IBRD, due to the variation of the SOFR rate
(from 1.5% in June 2022 to 5.1% in June 2023); and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">A decrease of R$ 6.9 million in financial revenues, mainly on financial investments
in 2Q23, as a result of lower average cash.</TD></TR></TABLE>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>Monetary and exchange variations, net</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 60%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Times New Roman,serif; font-size: 9pt"><B><I>R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>2Q23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>2Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Monetary and exchange variations on liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">&nbsp;&nbsp;&nbsp;Monetary variations on borrowings and financing </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(38.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(91.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">53.2</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(58.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">&nbsp;&nbsp;&nbsp;Exchange variations on borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">263.7</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(64.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">328.5</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(506.9)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">&nbsp;&nbsp;&nbsp;Other monetary variations</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(71.2)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(80.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">8.9</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(11.1)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Total monetary and exchange variations on liabilities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>154.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(236.2)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>390.6</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(165.4)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Monetary and exchange variations on assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">51.0</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">69.0</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(18.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">(26.1)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt"><B>Monetary and exchange variations, net</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>205.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(167.2)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>372.6</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B>(222.8)</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: red"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">The positive effect of net monetary and exchange
variations in 2Q23 was R$ 372.6 million, especially due to:</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify; color: red">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">A decrease of R$ 53.2 million in monetary variations on borrowings and financing,
mainly because of the decrease in the IPCA consumer price index (from 2.22% in 2Q22 to 0.76% in 2Q23); and</TD></TR></TABLE>


<!-- Field: Page; Sequence: 21 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->19<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">An exchange variation gain of R$ 328.5 million on borrowings and financing, the
depreciation of the U.S. Dollar and the Yen in 2Q23 (-5.14% and -12.83%, respectively), compared to the appreciation of the U.S. Dollar
and the Yen in 2Q22 (10.56% and -1.08%, respectively).</TD></TR></TABLE>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>8.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Income tax and social contribution</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify">The R$ 145.8 million increase in 2Q23 was mainly due to:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">An increase of R$ 889.1 million in net operating revenue; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Symbol">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 14.15pt">Exchange variation gains, with an impact of R$ 328.5 million.</TD></TR></TABLE>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">The factors above were mainly offset by the R$ 784.6
million increase in costs and expenses, which include a provision of R$ 529.6 million referring to the PDI and the R$ 105.3 million increase
in construction costs.</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>9.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Indicators</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><B>a)</B></TD><TD STYLE="text-align: justify"><B>Operational</B></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 70%; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="color: black"><B>Information*</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 11%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="color: black"><B>2Q23</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 10%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="color: black"><B>2Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="color: black"><B>%</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Water Connections<SUP>1</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">10,242</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">9,916</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">3.3</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Sewage connections<SUP>1</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">8,728</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">8,500</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">2.7</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Population directly served - water<SUP>2</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">28.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">27.8</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">1.1</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Population directly served - sewage<SUP>2</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">24.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">24.6</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">0.8</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Number of employees</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">12,221</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">12,381</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">(1.3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt; color: black">Volume of water produced in the quarter <SUP>3</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">734</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">711</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">3.2</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt; color: black">Volume of water produced in the first half <SUP>3</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">1,467</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">1,424</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">3.0</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt; color: black">IPM - Measured Water Loss (%) <SUP>3</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">29.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">28.4</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">3.9</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt; color: black">IPDt (liters/connection x day) <SUP>3</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">256</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">250</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif">2.4</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: bold 7pt Arial,sans-serif; margin: 0 2cm 0 14.2pt; text-indent: -14.2pt">1. Total connections, active and inactive, in
thousand units at the end of the period. Excludes water connections in Mau&aacute; in 2Q22.</P>

<P STYLE="font: bold 7pt Arial,sans-serif; margin: 0 99.2pt 0 0; text-indent: 14.2pt">2.&nbsp;In million inhabitants, at the end of the
period. Does not include wholesale.</P>

<P STYLE="font: bold 7pt Arial,sans-serif; margin: 0 99.2pt 0 7.1pt; text-indent: -7.1pt">3. Millions of m<SUP>3</SUP><SUB>.</SUB> Excludes
volumes produced in the municipalities of Agua&iacute;, Mau&aacute;, and Tapiratiba in 2Q22.</P>

<P STYLE="font: bold 7pt Arial,sans-serif; margin: 0 99.2pt 0 7.1pt; text-indent: -7.1pt"><SUP>*</SUP> Unaudited by external auditors</P>

<P STYLE="font: bold 9pt Arial,sans-serif; margin: 0 99.2pt 0 0; text-indent: 14.2pt"><SUP>&nbsp;</SUP></P>

<P STYLE="font: 8pt Arial,sans-serif; margin: 0 21.55pt 0 0; text-transform: uppercase; text-align: left"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><B>b)</B></TD><TD STYLE="text-align: justify"><B>Economic</B></TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman,serif; margin: 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 72%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">Economic variables at the close of the quarter *</TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>2Q23</B></TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><B>2Q22</B></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Amplified Consumer Price Index <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0.76</FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2.22</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">National Consumer Price Index <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0.79</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2.12</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Consumer Price Index <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0.66</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2.33</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">DI <SUP>(2)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">13.65</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">12.38</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">U.S. dollar <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4.8192</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">5.2380</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Yen <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0.0334</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0.0386</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt Arial,sans-serif; margin: 0; text-align: center; color: red"><B>&nbsp;</B></P>

<P STYLE="font: bold 7pt Arial,sans-serif; margin: 0pt">1. Accrued in the quarter (%)</P>

<P STYLE="font: bold 7pt Arial,sans-serif; margin: 0pt">2. Average quarterly rate (%)</P>

<P STYLE="font: bold 7pt Arial,sans-serif; margin: 0pt"><SUP>.</SUP>3. Ptax sale rate on the last day</P>

<P STYLE="font: bold 7pt Arial,sans-serif; margin: 0pt"><SUP>*</SUP> Unaudited by external auditors</P>



<!-- Field: Page; Sequence: 22 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->20<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

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<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>10.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Borrowings and financing</B></FONT></TD></TR></TABLE>

<P STYLE="font: 8pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">On June 14, the Company executed a financing agreement
of R$ 1 billion with the International Finance Corporation - IFC, an institution of the World Bank Group. The financing is linked to annual
social goals, which characterizes it as a sustainability-linked loan. The funds are being invested in basic sanitation infrastructure
in the Metropolitan Region of S&atilde;o Paulo from 2021 to 2025. The investments are intended for the expansion of the sewage system
to improve water quality in the Pinheiros River, in the city of S&atilde;o Paulo.</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">In 2Q23, the Company contracted the Second Tranche
of Loan 12.676-0, totaling R$ 470 million, with the Inter-American Investment Corporation - IDB Invest. This operation is collateralized
by PROPARCO (Societ&eacute; de Promotion et de Participation Pour la C&oacute;peration &Eacute;conomic S.A.), which belongs to Group AFD
(Agence Fran&ccedil;aise de D&eacute;veloppement). Together with other existing financing, the funds will be used in the Fourth Stage
of the Tiet&ecirc; River Cleaning Project, the largest environmental sanitation program in Brazil and part of <I>IntegraTiet&ecirc;</I>.</P>

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  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif; font-size: 8pt"><B><I>R$ thousand</I></B></FONT></TD></TR>
  <TR STYLE="background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>DEBT PROFILE</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2023</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2024</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2025</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2026</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2027</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2028</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>2029 onwards</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>TOTAL</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>% of total</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt"><B><I>Local currency</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">360,436</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,204,595</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,334,339</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,212,543</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,357,016</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">655,401</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,543,790</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">7,668,120</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">41</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">50,923</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">106,589</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">113,242</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">120,311</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">127,810</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">135,646</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">981,275</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,635,796</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">9</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">117,665</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">235,331</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">214,938</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">205,029</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">192,377</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">72,783</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">222,545</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,260,668</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">7</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">IDB - National</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">123,444</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">249,099</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">260,899</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">330,209</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">315,069</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">420,959</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2,357,473</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4,057,152</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">22</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">IFC</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">7,600</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">22,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">34,200</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">41,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">60,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">83,600</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">493,053</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">743,853</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">Leases (Concession Agreements, Program Contracts, and Contract Asset) (1)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">47,884</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">50,309</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">34,600</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">33,492</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">36,754</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">40,336</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">92,066</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">335,441</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">Leases (others) (2)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">37,476</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">17,633</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">10,550</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">4,500</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">708</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">70,867</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">5,505</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2,994</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2,760</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">142</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">11,401</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">438,951</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">7,193</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">446,144</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2</FONT></TD></TR>
  <TR STYLE="background-color: #C5D9F1">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt"><B><I>Total in local currency</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,189,884</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,896,543</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,005,528</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,948,026</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,090,534</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,408,725</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>5,690,202</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>16,229,442</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>87</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt"><B><I>Foreign currency</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">24,766</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">49,532</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">62,432</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">25,799</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">25,799</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">25,799</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">377,410</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">591,537</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">3</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">14,650</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">261,176</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">422,321</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">2</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">71,571</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">652,125</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">1,439,401</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">8</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">22,488</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">22,488</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="background-color: #C5D9F1">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt"><B><I>Total in foreign currency</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>133,475</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>221,972</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>234,872</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>198,239</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>198,239</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>198,239</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,290,711</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,475,747</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>13</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt"><B><I>OVERALL TOTAL</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,323,359</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,118,515</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,240,400</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,146,265</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>2,288,773</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>1,606,964</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>6,980,913</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>18,705,189</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 8pt"><B>100</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 7pt Arial,sans-serif; margin: 0; text-align: justify">1 Refers to work contracts signed as Assets Lease;</P>

<P STYLE="font: 7pt Arial,sans-serif; margin: 0; text-align: justify">2 Obligations related to leasing agreements, mainly vehicle leases.</P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0; text-align: justify; color: navy"><B>Covenants</B></P>

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 7.1pt 6pt 0; text-align: justify">The table below shows the most restrictive clauses
in 2Q23:</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="background-color: #8EA9DB">
    <TD STYLE="white-space: nowrap; width: 71%; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 29%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt"><B>Covenants</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Adjusted EBITDA / Adjusted Financial Expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt">Equal to or higher than 2.80</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">EBITDA / Financial Expenses Paid</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt">Equal to or higher than 2.35</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Adjusted Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt">Equal to or lower than 3.80</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt">Equal to or lower than 3.50</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Total Adjusted Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt">Lower than 3.65</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Other Onerous Debt </FONT><FONT STYLE="font-size: 9pt"><SUP>1</SUP></FONT> <FONT STYLE="font-size: 8pt">/ Adjusted EBITDA</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt">Equal to or lower than 1.30</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 8pt">Adjusted Current Ratio</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 8pt">Higher than 1.00</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 7pt Arial,sans-serif; margin: 0 106.3pt 0 0"><FONT STYLE="font-weight: normal">1 &#8220;Other Onerous Debts&#8221; correspond
to the sum of pension plan obligations and healthcare plan, installment payment of tax debts, and installment payment of debts with the
electricity supplier.</FONT></P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">In 2Q23, the Company met the requirements of its
borrowings and financing agreements.</P>


<!-- Field: Page; Sequence: 23 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->21<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Performance</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 14pt; color: #000099"><B>11.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 14pt; color: navy"><B>Investments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">Investments totaled R$ 1,294.3 million in 2Q23, presented
as additions in the notes to the quarterly information under Contract Asset, Intangible Assets, and Property, Plant and Equipment, of
R$ 1,278.1 million, R$ 6.9 million, and R$ 9.3 million, respectively. Disbursements in 2Q23 referring to investments, including from previous
periods, totaled R$ 944.7 million.</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 14.15pt 6pt 0; text-align: justify">The table below shows investments broken down by
water and sewage:</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="4" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt"><B><I>R$ million</I></B></FONT></TD></TR>
  <TR STYLE="background-color: #95B3D7">
    <TD STYLE="white-space: nowrap; width: 53%; border-left: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>Water</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 17%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>Sewage </B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 17%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-size: 9pt"><B>Total</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-size: 9pt">Investments made</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">564.5 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">729.8 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-size: 9pt">1,294.3 </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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo
(SABESP or Company) is a mixed-capital company headquartered in the municipality of 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the Company operated water and sewage services
in 375 municipalities of the S&atilde;o Paulo State, 351 of which have already signed contracts, according to Law 11,445/2007. Most of
these municipalities&#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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR>
    <TD STYLE="vertical-align: bottom; width: 52%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: top; width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total municipalities that have already signed contracts</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">351</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">351</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">342</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">46,632,438</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">45,292,307</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">43,250,729</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">95.03%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">94.49%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">93.87%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,633,209</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">17,767,561</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">8,316,280</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">95.36%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">95.37%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">95.05%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Municipalities with expired contracts:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">11,412</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">11,519</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">216,347</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 7.1pt; font-family: Arial,sans-serif; text-indent: -7.1pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">0.02%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">0.02%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">0.47%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">7,904</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,236</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">21,975</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">0.08%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">0.08%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">0.25%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Municipalities with concession agreements due by 2030:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">23</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">23</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">25</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,058,162</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,072,138</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,105,098</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2.16%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2.24%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2.40%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">388,568</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">711,452</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">346,511</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.65pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3.85%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3.82%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3.96%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: top; width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 52%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Municipality of S&atilde;o Paulo:</FONT></TD>
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 8.65pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">43.19%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">43.33%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">43.22%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 8.65pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">45.13%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">45.14%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">45.21%</FONT></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">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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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 these investees, except for Saneaqua Mairinque, which, as of August 2020, no longer has a shared control.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 21.3pt; text-align: justify"><B>&#8226;&#9;Municipality of Est&acirc;ncia Tur&iacute;stica
de Ol&iacute;mpia</B></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">In July 2023, the Municipal Government of Ol&iacute;mpia &#8211; SP
(&#8220;Ol&iacute;mpia&#8221;) approved the bidding process referring to Tender 02/2023, whose subject was the granting of a concession
for providing public water supply and sewage services for 30 years, and awarded the contract to SABESP, with a fixed concession fee of
R$ 148 million.</P>

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

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

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The concession agreement is expected to be signed on September 1,
2023, but may be extended for 60 days. As of the signing of the agreement, the transaction will be carried out by DAEMO (Departamento
de &Aacute;gua e Esgoto do Munic&iacute;pio de Ol&iacute;mpia) and assisted by the Concessionaire for 60 days. After this period, the
entire operation will be carried out by the Concessionary and the Concession term will begin.</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">As established by the Bid Notice, the winning bidder must create,
before the signing of the agreement, a special purpose entity to execute the terms of the Concession Agreement. The contract value estimated
in the Bid Notice is R$ 1,182,495 (base date of August 2022), corresponding to the Granting Authority&#8217;s estimate of the cumulative
concession revenues, while estimated investments amount to R$ 81,112 (base date of August 2022) for the entire duration of the concession.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The fixed concession fee of R$ 148 million will be paid by Sabesp
in two installments, where 50% upon signing the agreement and 50%, duly adjusted by the IPCA, within 365 days after the payment of the
first installment.</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">A monthly variable concession fee will be paid by the 10th day of
the subsequent month, corresponding to 1% of the net tariff revenue.</P>


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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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The Concessionaire&#8217;s subscribed capital, at the time of its
creation, must be at least R$ 8,111,208,00 (eight million, one hundred and eleven thousand, two hundred and eight reais), as defined by
the bid notice.</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">To ensure faithful compliance with the obligations to be assumed by
the Concessionaire, upon the signing of the agreement, proof of guarantee of the contractual obligations must be presented to the granting
authority, in an amount corresponding to 5% of the estimated investment value.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The Company is still analyzing all the accounting impacts related
to the assumption of Ol&iacute;mpia.</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>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Management expects that the funds raised with the improved water security
from the works carried out, the generation of operational cash, and credit lines available for investments, will be sufficient to meet
the Company&#8217;s commitments and not compromise the necessary investments.</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"><B>Approvals</B></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">The quarterly information was approved by the Board of Directors on
August 10, 2023.</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 Helvetica,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 quarterly information</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Presentation of the Quarterly Information</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">The quarterly information as of June 30, 2023, was prepared based
on the provisions of CPC 21 (R1) &#8211; Interim Financial Information and the international standard IAS 34 &#8211; Interim Financial
Reporting, issued by the International Accounting Standards Board (IASB), applicable to the preparation of the Quarterly Information Form
&#8211; ITR, and is fairly presented consistent with the rules issued by the Brazilian Securities and Exchange Commission (CVM). Accordingly,
this Quarterly Information takes into consideration the Official Letter CVM/SNC/SEP 003 of April 28, 2011, which allows the entities to
present selected notes to the financial statements in cases of redundant information already disclosed in the Annual Financial Statements.
Therefore, the quarterly information as of June 30, 2023, does not include all the notes and reporting required by the standards for the
annual financial statements, and accordingly, shall be read jointly with the Annual Financial Statements as of December 31, 2022, prepared
under the International Financial Reporting Standards &#8211; IFRS, issued by the International Accounting Standards Board &#8211; IASB,
and the accounting practices adopted in Brazil, which observe the pronouncements issued by the Brazilian Accounting Pronouncements Committee
- CPC. Therefore, in this quarterly information, the notes below were either not presented or are not as detailed as and/or have the same
references as those in the annual financial statements (according to numerical references):</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><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">Summary of significant accounting policies (Note
3);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><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">Changes in accounting practices and disclosures
(Note 4);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><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">Risk management &#8211; Financial instruments
(Note 5.4);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><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">Key accounting estimates and judgments (Note
6);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><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">Related-party balances and transactions (Note
11);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><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">Investments (Note 12);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><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">Intangible assets (Note 15);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">viii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Borrowings and financing (Note 17);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">ix.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Deferred taxes and contributions (Note 19);</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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">x.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Provisions (Note 20);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">xi.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Pension plan obligations (Note 22);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">xii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Equity (Note 24);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">xiii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Insurance (Note 27);</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">All material information related to the quarterly information, 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The amounts disclosed in the Notes to the quarterly information are
in thousands of Brazilian reais, unless otherwise stated.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The significant accounting policies used in the preparation of the
quarterly information as of June 30, 2023, are consistent with those used to prepare the Annual Financial Statements for the year ended
December 31, 2022, disclosed in Note 3 of such financial statements.</P>

<P STYLE="font: 10pt 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 Helvetica,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>Risk management</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Financial Risk Management</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Frutiger Light,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia,serif"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif"><B>Market risk</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt 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>


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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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Part of the financial debt, totaling R$ 2,512,769 as of June 30, 2023
(R$ 2,809,441 as of December 31, 2022), is indexed to the U.S. dollar and Yen. The exposure to exchange risk is as follows:</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 48%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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 Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Foreign currency</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(in thousands)</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 11%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>R$</B></P></TD>
    <TD STYLE="white-space: nowrap; 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 Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Foreign currency</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(in thousands)</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 11%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>R$</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Borrowings and financing &#8211; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">217,533</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,048,335</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">191,022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">996,695</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Borrowings and financing &#8211; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">43,223,787</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,441,946</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">45,369,189</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,795,259</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest and charges from borrowings and financing &#8211; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">14,268</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">6,985</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest and charges from borrowings and financing &#8211; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,220</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,502</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total exposure</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,512,769</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,809,441</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Borrowing cost &#8211; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(34,479)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(31,037)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Borrowing cost &#8211; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,543)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,646)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total foreign currency-denominated borrowings (Note 16)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">2,475,747</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">2,775,758</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The 10.8% decrease in the balance of the foreign currency-denominated
debt as of June 30, 2023 compared to December 31, 2022 was mainly impacted by the depreciations of the US dollar and the Yen against the
Brazilian real. The table below shows the prices and exchange variations in the period:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 35%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="width: 32%; padding-right: 5.4pt; padding-left: 5.4pt">
    <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="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Variation</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">US$</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">R$ 4.8192</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">R$ 5.2177</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-7.6%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Yen</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">R$ 0.03336</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">R$ 0.03957</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-15.7%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Borrowings and financing fell by R$&nbsp;347,534 from January to June
2023 (a decrease of R$&nbsp;528,639 from January to June 2022), due to exchange rate changes. See Note 16 (ii). As of June 30, 2023, if
the Brazilian real had depreciated or appreciated by 10 percentage points, in addition to the impacts already mentioned above, against
the US dollar and Yen with all other variables held constant, the effects on results before taxes on the six-month period ended June 30,
2023 would have been R$ 251,277 (R$ 272,474 for the six-month period ended June 30, 2022), lower or higher.</P>

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

<P STYLE="font: 10pt 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 Yen.</P>

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

<P STYLE="font: 10pt 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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 79%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Net currency exposure as of June 30, 2023 in US$ - Liabilities </B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">217,533</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">US$ rate as of June 30, 2023</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4.8192</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">5.0000</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(0.1808)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Effect on the net financial result R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(39,330)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Net currency exposure as of June 30, 2023, in &yen; - Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">43,223,787</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Yen rate as of June 30, 2023</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">0.03336</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">0.03504</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(0.00168)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Effect on the net financial result R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(72,616)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total effect on the net financial result in R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(111,946)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(*) For the probable scenario in U.S. dollars and Yen, the exchange rates estimated for June 30, 2024 were used, according to the BACEN-Focus report and B3&#8217;s Benchmark Rate report, of June 30, 2023, respectively.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>Interest rate risk</B></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">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 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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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 58%; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">CDI (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,397,156</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,251,150</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">TR (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,726,745</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,635,587</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">IPCA (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,030,622</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,073,435</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">TJLP (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,303,313</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,433,029</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">SOFR (v)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,048,337</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">996,697</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest and charges</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">460,405</P></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">424,856</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; 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 </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">16,966,578</P></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="border-bottom: Black 1.5pt double; font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right">16,814,754</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt Georgia,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(i)</TD>
  <TD STYLE="padding-left: 10pt; text-align: justify; width: 97%">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 Georgia,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(ii)</TD>
  <TD STYLE="padding-left: 10pt; text-align: justify; width: 97%">TR &#8211; Interest Benchmark Rate</TD></TR>
</TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" BORDER="0" STYLE="width: 100%; font: 9pt Georgia,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(iii)</TD>
  <TD STYLE="padding-left: 10pt; text-align: justify; width: 97%">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 Georgia,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(iv)</TD>
  <TD STYLE="padding-left: 10pt; text-align: justify; width: 97%">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 Georgia,serif">
<TR STYLE="vertical-align: top">
  <TD STYLE="text-align: justify; width: 3%">(v)</TD>
  <TD STYLE="padding-left: 10pt; text-align: justify; width: 97%">SOFR - <I>Secured Overnight Financing Rate</I></TD></TR>
</TABLE>


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

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, if interest rates on borrowings and financing
had been 1 percentage point higher or lower with all other variables held constant, the effects on profit before taxes for the six-month
period ended June 30, 2023, would have been R$ 169,666 (R$ 155,036 for the six-month period ended June 30, 2022), lower or higher, mainly
as a result of lower or higher interest expense on floating rate borrowings and financing.</P>

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

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

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Credit risk is related to cash and cash equivalents, financial investments,
as well as credit exposures of 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The maximum exposure to credit risk as of June 30, 2023, is the carrying
amount of instruments classified as cash and cash equivalents, financial investments, restricted cash, trade receivables, and accounts
receivable from related parties on the reporting date of this quarterly information. See Notes 6, 7, 8, 9, and 10.</P>


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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 37%; padding-right: 5.4pt; padding-left: 5.4pt">
    <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: 5.4pt; padding-left: 5.4pt">
    <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: 5.4pt; padding-left: 5.4pt">
    <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: 5.4pt; padding-left: 5.4pt">
    <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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Banco Bradesco S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Banco BV</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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: 5.4pt; padding-left: 5.4pt; 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 27%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="width: 27%; padding-right: 5pt; padding-left: 5.4pt">
    <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="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">Cash and cash equivalents and financial investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,323,596</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,237,629</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">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">617,143</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,011,685</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">Others (*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">315,612</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">296,044</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">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,256,351</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,545,358</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; text-align: justify">(*) As of June 30, 2023, this category includes R$ 306,063 (R$ 289,908
as of December 31, 2022) referring to Banco BV, current accounts, and financial investments, which are not rated by Fitch.</P>

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

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

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

<P STYLE="font: 10pt 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
expenditure requirements.</P>

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

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

<P STYLE="font: 10pt 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 June 30, 2023.</P>



<!-- Field: Page; Sequence: 32 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->30<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 38%; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>July to December 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2024</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt Georgia,serif; margin: 12pt 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2025</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt Georgia,serif; margin: 12pt 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2026</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt Georgia,serif; margin: 12pt 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2027</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 8%">
    <P STYLE="font: 8pt 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: 5pt; white-space: nowrap; width: 9%">
    <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: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt"><B>As of June 30, 2023</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,842,450</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,814,905</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,742,343</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,391,978</FONT></TD>
    <TD STYLE="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,279,864</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">11,888,859</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">27,960,399</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Trade payables and contractors</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">256,679</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">256,679</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">588,456</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">588,456</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">250,897</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">459,887</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">419,401</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">419,401</FONT></TD>
    <TD STYLE="font: 10pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">419,401</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,637,608</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,606,595</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">60,706</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,206</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,206</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,206</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 12pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,206</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">12,668</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">78,198</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,999,188</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,275,998</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,162,950</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,812,585</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 12pt 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,700,471</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">15,539,135</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">34,490,327</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; text-align: justify">Cross default</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">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 16 (c).</P>

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

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

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

<P STYLE="font: 10pt 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 June 30, 2023, or until the final settlement of each contract, whichever occurs first, considering a probable scenario.</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">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 may
be different from those presented, due to the estimates used in the measurement.</P>


<!-- Field: Page; Sequence: 33 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->31<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 60%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Indicators</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Exposure</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Assets</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">CDI</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,358,150</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">11.6900%(**)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Financial income</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">158,768</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">CDI </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(9,397,156)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">11.6900%(**)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,098,528)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">CDI net exposure</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(8,039,006)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(939,760)</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">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">TR</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,726,745)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">0.0099%(**)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(171)</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">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">IPCA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,030,622)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4.2200%(*)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(127,892)</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">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">TJLP</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,303,313)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">6.4000%(*)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(83,412)</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">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">SOFR (***) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,048,337)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5.3925%(**)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(56,532)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total expenses to be incurred, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,207,767)</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: BACEN as of June 30, 2023 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(**)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: B3 as of June 30, 2023</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(***)&nbsp;&nbsp;&nbsp;Source: Bloomberg</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt 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: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->32<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Capital management </B></FONT></TD></TR></TABLE>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 60%; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <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="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; 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-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total borrowings and financing (Note 16)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18,705,189</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(-) Cash and cash equivalents (Note 6)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,327,173)</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(-) Financial investments (Note 7)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(929,178)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(1,677,873)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Net debt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">16,448,838</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">28,747,561</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">27,333,533</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">45,196,399</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">42,746,846</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">36%</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">36%</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; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>4.3</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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>4.4</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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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>


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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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The estimated fair values of the financial instruments are as follows:</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">Financial Assets</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 40%; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap; 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-right: 5pt; white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,327,173</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,327,173</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Financial investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">929,178</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">929,178</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Restricted cash</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">37,873</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">37,873</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,517,472</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,517,472</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;ANA </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5,138</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5,138</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Other assets </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">258,461</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">258,461</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  </TABLE>
<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>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Additionally, SABESP has financial assets receivable from related
parties, totaling R$ 1,170,862 as of June 30, 2023 (R$ 1,156,743 as of December 31, 2022), which were calculated under the conditions
negotiated between the related parties. The conditions and additional information related to these financial instruments are disclosed
in Note 10. Part of this balance, totaling R$ 1,061,230 (R$ 1,060,040 as of December 31, 2022), refers to reimbursement of additional
retirement and pension plan - G0, indexed by IPCA plus simple interest of 0.5% p.m. On the transaction date, this interest rate approximated
that of National Treasury Notes (NTN-b), with a term similar to the terms of related-party transactions.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Financial Liabilities</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 40%; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap; 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-right: 5pt; white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18,705,189</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18,959,605</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">256,679</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">256,679</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&#9;Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">588,456</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">588,456</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">73,947</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">73,947</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,824,409</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,824,409</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The criteria adopted to obtain the fair values of borrowings and financing,
in preparing the quarterly information as of June 30, 2023, are consistent with those used in the preparation of the Annual Financial
Statements for the fiscal year ended December 31, 2022.</P>

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

<P STYLE="font: 10pt 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>


<!-- Field: Page; Sequence: 36 -->
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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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The preparation of the quarterly information 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt 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; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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 quarterly information, are (i) allowance for doubtful accounts; (ii)
intangible assets arising from concession agreements and program contracts; (iii) pension plan obligations; (iv) deferred income tax and
social contribution; (v) provisions; and (vi) unbilled revenue.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.1pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Cash and cash equivalents</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.1pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 60%; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Cash and banks</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">119,698</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,207,475</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,727,641</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,327,173</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,867,485</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; 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the average yield of cash equivalents corresponded
to 99.23% of CDI (95.69% as of December 31, 2022).</P>

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


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->35<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Financial investments</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 60%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 20%; 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>June 30, 2023</B></P></TD>
    <TD STYLE="width: 20%; 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></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">Banco BV </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">306,062</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">289,909</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">Banco Ita&uacute; Unibanco S/A </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">-</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">403,732</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">Banco Bradesco S/A </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">194,827</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">578,752</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">Banco BTG Pactual S/A </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">427,113</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">404,363</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">Banco do Brasil S/A </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">1,176</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">1,117</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-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">929,178</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 1.5pt double">1,677,873</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">As of June 30, 2023, the average yield of the financial investments corresponded to 103.30%
of CDI (102.90% as of December 31, 2022).</P>

<P STYLE="font: 10pt 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 Helvetica,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>Restricted cash</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 60%; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">30,778</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">594</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">433</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,501</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,810</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">37,873</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">37,474</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt 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>

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


<!-- Field: Page; Sequence: 38 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->36<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Trade receivables </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt 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"><B>(a)</B></TD><TD STYLE="text-align: justify"><B>Statement of financial position details</B></TD></TR></TABLE>

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

<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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 60%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="width: 20%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5pt; padding-left: 5.4pt">
    <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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Private sector:</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">General (i) and special customers (ii) </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,543,951</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,287,782</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">431,425</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">416,550</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,975,376</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,704,332</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Government entities:</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Municipal</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">633,057</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">609,731</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Federal</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4,914</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">10,644</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">361,800</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">372,943</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">999,771</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">993,318</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Wholesale customers &#8211; Municipal governments: (iv)</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&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">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Mogi das Cruzes</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,916</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4,048</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">S&atilde;o Caetano do Sul</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,694</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,367</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total wholesale customers &#8211; Municipal governments</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,610</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,415</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Unbilled supply</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">969,462</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">959,260</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4,994,219</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4,706,325</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,476,747)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,428,517)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,517,472</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,277,808</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Current</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,300,714</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">216,758</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">215,234</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,517,472</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,277,808</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 39 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->37<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt 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 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>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm">(iii)</TD><TD STYLE="text-align: justify">Agreements - installment payments of past-due receivables, plus inflation adjustment and interest, according
to the agreements; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm">(iv)</TD><TD STYLE="text-align: justify">Wholesale basis customers - municipal governments. This balance refers to the sale of treated water to
municipalities, which are responsible for distributing to, billing, and charging final customers.</TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,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"><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 Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.1pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 60%; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Current</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,447,029</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,244,754</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Past-due:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Up to 30 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">567,775</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">489,709</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">From 31 to 60 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">254,190</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">248,128</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">From 61 to 90 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">180,229</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">165,306</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">From 91 to 120 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">156,536</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">150,941</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">From 121 to 180 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">312,242</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">281,530</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">From 181 to 360 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">92,337</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">58,702</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Over 360 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">983,881</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,067,255</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Times,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Times,serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total past-due</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,547,190</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,461,571</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,994,219</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,706,325</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>

<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>(c)</B></TD><TD STYLE="text-align: justify"><B>Allowance for doubtful accounts </B></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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 60%; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Changes in assets</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Balance at the beginning of the period</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,428,517</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,280,088</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Losses</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">77,671</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">23,397</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Recoveries </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(29,441)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(28,840)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Balance at the end of the period</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,476,747</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,274,645</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 40 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->38<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 44%; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Reconciliation of estimated/historical losses at the result</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Write-offs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(141,296)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(331,434)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(229,371)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(434,440)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(Losses)/reversal with state entities &#8211; related parties </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">175</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(567)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(223)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,629)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(Losses) with the private sector/government entities</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(86,119)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(77,671)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(33,913)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(23,397)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Recoveries</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,814</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">29,441</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,575</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">28,840</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Amount recorded as expense (Note 27)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(217,426)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(380,231)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(252,932)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(430,626)</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; text-align: justify">The Company does not have customers individually representing 10%
or more of its total revenues.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the Company has registered warrants issued in
its favor, currently totaling R$ 2,892,906<BR>
(R$ 2,807,318 as of December 31, 2022), which are not recognized in the Financial Statements because of the difficulty to obtain a reasonable
estimate to measure such assets, due to uncertainties related to the beginning and end of their realization. <FONT STYLE="background-color: white">Register
warrants 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: 11pt">
  <TR>
    <TD STYLE="width: 60%; padding-right: 5pt; 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: 20%; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <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>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,738,628</FONT></TD>
    <TD STYLE="padding-right: 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>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">105,845</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">103,729</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">14,536</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">13,672</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">33,897</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">33,804</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">2,892,906</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">2,807,318</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->39<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


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<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>Related-party balances and transactions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0 0 0 64.4pt; text-align: justify; text-indent: -64.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(i)</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Accounts receivable, interest on capital, revenue, and expenses </FONT></B></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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 60%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%">
    <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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Accounts receivable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Current:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&#9;Sanitation services </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">158,433</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">144,937</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Verdana,sans-serif; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&#9;Allowance for losses </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(50,162)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(49,595)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Verdana,sans-serif; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&#9;- Monthly flow</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">9,301</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">13,376</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&#9;- GESP Agreement &#8211; 2015</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">102,231</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">97,075</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total current</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">219,803</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">205,793</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Noncurrent:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&#9;Agreement for the installment payment of sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,361</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,361</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-size: 8pt">&#9;<FONT STYLE="font-family: Georgia,serif">&#9;- GESP Agreement &#8211; 2015 </FONT></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">949,698</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">949,589</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">951,059</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">950,950</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total receivables </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,170,862</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,156,743</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Assets:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">109,632</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">96,703</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Reimbursement of additional retirement and pension benefits paid (G0)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,061,230</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,060,040</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; 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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,170,862</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,156,743</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Liabilities:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Interest on capital payable </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">372,550</FONT></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 CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 44%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 0cm; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 0cm; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 0cm; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 0cm; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Revenue from sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">198,678</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">361,781</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">191,641</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">335,340</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Payments from related parties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(175,577)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(343,189)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(148,103)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(279,404)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt Verdana,sans-serif; padding-bottom: 1pt; padding-left: 14.2pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt Verdana,sans-serif; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Payment received from reimbursement referring to Law 4,819/1958</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(51,359)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(103,952)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(44,780)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(81,412)</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 42 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->40<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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>Disputed amounts</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023 and December 31, 2022, the disputed amounts between
SABESP and the S&atilde;o Paulo State, referring to additional retirement and pension benefits paid (Law 4,819/1958), totaled R$&nbsp;1,528,996
and R$&nbsp;1,482,140, respectively, for which allowances for doubtful accounts were created for the total amount.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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>Actuarial Liability</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt 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 June 30, 2023, and December
31, 2022, the amounts corresponding to such actuarial liability totaled R$ 2,016,778 and R$ 2,002,075, respectively. For detailed information
on additional retirement and pension benefits, see Note 21.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt 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 fully and completely settle the disputes and SABESP will continue using the
reservoirs.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the balance of the agreement totaled R$ 9,082
and R$ 103,662 (R$ 8,456 and R$ 95,033 as of December 31, 2022), recorded in Other liabilities, under current and noncurrent liabilities,
respectively.</P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Agreements with reduced tariffs for State Entities that join the Rational
Water Use Program (PURA) </FONT></B></P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The Company has agreements with government entities related to the
S&atilde;o Paulo State Government that benefit them with a 25% discount on water supply and sewage services tariffs when they are not
in default. These agreements provide for the implementation of the rational water use program, which provides for water consumption reduction.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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 16.</P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(e)</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Personnel assignment agreement among entities related to the S&atilde;o
Paulo State Government</FONT></B></P>

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

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">From April to June and from January to June 2023, expenses with employees
assigned to other state entities totaled R$ 1,925 and R$ 2,597 (R$ 176 and R$ 341 from April to June and from January to June 2022), respectively.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">No expenses with employees from other entities assigned to the Company
were recorded from April to June and from January to June 2023 and in the same periods in 2022.</P>


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    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023 and December 31, 2022, the Company&#8217;s land
and lent structures totaled R$&nbsp;3,613.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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 until June 30, 2023, totaled R$ 118,866 (R$ 148,116 as of December
31, 2022). See Note 21.</P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(h)</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Compensation of the Fiscal Council and Management Key Personnel </FONT></B></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">From April to June and from January to June 2023, expenses related
to the compensation of Management and members of the Fiscal Council appointed by the controlling shareholder totaled R$&nbsp;2,132 and
R$&nbsp;3,790 (R$&nbsp;1,610 and R$&nbsp;3,207 from April to June and from January to June 2022), respectively.</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">From April to June and from January to June 2023, additional amounts
of R$ 584 and R$ 869 (R$ 380 and R$ 740 from April to June and from January to June 2022), respectively, from the management bonus program
were recorded.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>Aquapolo Ambiental</B></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">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 Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the balance of principal and interest of this
agreement totaled R$ 1,520 recorded in current assets under &#8220;Other assets&#8221; (R$ 12,953 as of December 31, 2022), at CDI + 1.2%
p.a.</P>

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

<P STYLE="font: 10pt 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
matured on December 30, 2021, and the last will mature on December 30, 2023.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the balance of principal and interest of this
agreement totaled R$ 443 and R$ 2,814, which was recorded in &#8220;Other assets&#8221; under current and noncurrent assets (R$ 242 and
R$ 2,814, respectively, as of December 31, 2022), at CDI + 3% p.a.</P>

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

<P STYLE="font: 10pt 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>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The Company has financing agreements under the State Fund for Water
Resources (FEHIDRO). These funds will be aimed at the execution of works and sewage services. As of June 30, 2023, the balance of these
financings totaled<BR>
R$ 5,570 (R$ 5,108 as of December 31, 2022).</P>

<P STYLE="font: 10pt 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 Helvetica,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>Investments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt 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
matters, however, it cannot use such power of veto in a way to affect the returns over the investments, implying a mutually shared control
(joint venture &#8211; CPC 19 (R2)).</P>

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

<P STYLE="font: 10pt 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: 11pt Arial,sans-serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt 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 Georgia,serif; margin: 1pt 0 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 Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Dividends distributed</B></P></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Profit (loss) for the period</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 34%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>June</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>30,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="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: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>(*)</B></P></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0.2pt 0; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Sesamm</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">56,989</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">59,371</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(13,516)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">11,134</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,864</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&Aacute;guas de Andradina</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">31,927</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">30,777</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,150</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">499</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">11,806</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">10,787</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,019</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">589</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Attend Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">41,789</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">29,729</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12,060</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,205</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">91,371</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">73,926</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">17,445</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">14,778</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Paulista Geradora de Energia - PGE (**)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">25,642</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">10,486</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">15,233</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(77)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(260)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Cantareira SP Energia (***)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6,087</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,000</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,453</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(366)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">FOXX URE-BA Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">66,441</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">69,258</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,325</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(715)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(6,427)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,658</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,050</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,392)</FONT></TD>
    <TD STYLE="padding-top: 0.2pt; 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="white-space: nowrap; padding-top: 0.2pt; padding-bottom: 0.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 45 -->
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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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt; text-align: justify">(*) The amount presented refers to changes in the equity of
the investee, as its financial statements for the year ended December 31, 2022 were issued after the disclosure of SABESP&#8217;s financial
statements.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt; text-align: justify">(**)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In October 2022,
it was agreed at the Extraordinary Meeting a capital contribution of R$&nbsp;20,310 thousand, and SABESP paid R$&nbsp;5,077 in December
2022, corresponding to 25%. Servtec and Tecniplan paid R$&nbsp;15,233 in June 2023, corresponding to 75%.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt; text-align: justify">(***)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SABESP contributed
R$&nbsp;5,439 as of January 2023, corresponding to 49% of the interest in Cantareira SP Energia. As of June 30, 2023, Pacto SP Energia
had an outstanding payable amount of R$&nbsp;5,647 related to the remaining interest of 51% in Cantareira.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0">(****)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Infranext&#8217;s share capital will be
R$&nbsp;12,000. As of June 30, 2023, SABESP had an outstanding payable amount of R$&nbsp;4,950.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Investments</B></P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Contribution</B></P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Dividends distributed</B></P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Reclassification (***)</B></P></TD>
    <TD COLSPAN="3" STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Equity accounting</B></P></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest percentage</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; width: 19%; padding-right: 3pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 7%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>June</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>30,</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 8%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 11%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 9%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 11%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 7%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 6%; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>(*)</B></P></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 7%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>January to June</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 7%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>June</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>30,</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 8%; padding-right: 3pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Sesamm</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">20,516</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">21,374</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(4,867)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">4,009</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">2,111</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">36%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">36%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&Aacute;guas de Andradina </FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">9,577</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">9,233</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">344</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">150</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">30%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">3,542</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">3,236</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">306</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">177</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">30%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Attend Ambiental</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">18,806</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">13,379</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">5,427</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">1,892</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">45%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">44,771</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">36,223</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">8,548</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">7,241</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">49%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Paulista Geradora de Energia</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">6,410</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">6,429</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(19)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(65)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">25%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">25%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Cantareira SP Energia</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">5,750</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">490</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">5,439</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(179)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">49%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">FOXX URE-BA Ambiental</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">13,288</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">13,852</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">865</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(143)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(1,286)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">20%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">20%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Infranext Solu&ccedil;&otilde;es em Pavimenta&ccedil;&atilde;o </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">450</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">176</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(626)</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">45%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">122,660</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">104,666</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">6,304</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(4,867)</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">176</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">17,667</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">(1,286)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">11,506</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt">FOXX URE-BA Ambiental &#8211; Fair value (**)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">26,148</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: top; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Other investments </FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,099</P></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,099</P></TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: top; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt">Overall total</P></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 2.25pt double">154,907</P></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 2.25pt double">110,765</P></TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: top; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; padding-top: 2.4pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt; text-align: justify">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Refers to changes
in the equity of investees, as their financial statements for the year ended December 31, 2022 were issued after the disclosure of SABESP&#8217;s
financial statements.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt; text-align: justify">(**)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The amount presented
refers to the fair value adjustment in the acquisition of FOXX URE-BA in 2022.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt; text-align: justify">(***)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The amount of
the investee&#8217;s loss exceeding the investment was reclassified to Noncurrent Liabilities, according to item 39 of NBCTG 18.</P>




<!-- Field: Page; Sequence: 46 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->44<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 30%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 26%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="width: 18%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 26%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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: 8pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">46,726</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(24)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">46,702</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>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 30%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 26%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 18%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 26%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">46,126</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(24)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">46,102</FONT></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>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the market value of these properties was approximately
R$ 393,600 (R$ 386,000 as of December 31, 2022).</P>

<P STYLE="font: 10pt 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 Helvetica,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>Contract asset</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 25%; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 14%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions (i)</B></P></TD>
    <TD STYLE="width: 14%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 17%">
    <P STYLE="font: 8pt 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="white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023 (iii)</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&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">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; 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="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total contract asset</FONT></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,613,968</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,482,886</P></TD>
    <TD>
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">380</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,422,934)</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,674,300</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; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 25%; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 14%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="width: 14%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 17%">
    <P STYLE="font: 8pt 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="white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2022</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&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">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; 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="white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total contract asset</FONT></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,550,102</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,171,183</P></TD>
    <TD>
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">406</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,714,055)</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">9,007,636</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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; letter-spacing: -0.05pt">(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, Guarulhos, and S&atilde;o Bernardo do Campo, totaling R$ 1,008 million, R$ 140 million, and
R$ 64 million, respectively. </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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">(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, Franca, and S&atilde;o Bernardo do Campo, totaling R$ 1,138 million, R$ 279 million, and R$
128 million, respectively.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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, Francisco Morato, and Itanha&eacute;m, totaling R$ 2,700 million, R$ 234 million, and R$ 234 million, respectively.</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the <FONT STYLE="background-color: white">contract
asset did not include any amounts recorded </FONT>as a lease (R$&nbsp;276,893 as of December 31, 2022).</P>


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    <!-- Field: /Page -->


<P STYLE="font: 11pt Arial,sans-serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Capitalization of interest and other finance charges</FONT></B></P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The Company capitalizes interest, inflation adjustments, and exchange
rate changes in the contract asset during the construction period. From January to June 2023, the Company capitalized R$&nbsp;345,824
(R$&nbsp;279,922 from January to June 2022).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 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 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.
As of June 30, 2023 and 2022, the margin was 2.3%.</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">From April to June and from January to June 2023, the construction
margins were R$&nbsp;28,402 and R$&nbsp;54,921 (R$&nbsp;25,245 and R$&nbsp;45,930 from April to June and from January to June 2022), respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The costs of such expropriations are recorded in the contract asset
during the execution of the works. From April to June and from January to June 2023, expropriations totaled R$&nbsp;40,708 and R$&nbsp;44,723
(R$&nbsp;17,159 and R$&nbsp;47,022 from April to June and from January to June 2022).</P>



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    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Intangible assets</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 39%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt 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; white-space: nowrap; width: 11%">
    <P STYLE="font: 8pt 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; white-space: nowrap; width: 10%">
    <P STYLE="font: 8pt 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; white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt 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; white-space: nowrap; width: 12%">
    <P STYLE="font: 8pt 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; white-space: nowrap; width: 10%">
    <P STYLE="font: 8pt 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-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Intangible right arising from:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Concession agreements &#8211; equity value</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">732,237</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(232,184)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">500,053</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">722,730</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(223,404)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">499,326</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Concession agreements &#8211; economic value </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,576,562</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(979,785)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">596,777</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,585,271</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(933,232)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">652,039</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Program contracts </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">28,025,785</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(9,020,257)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">19,005,528</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">26,875,408</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(8,537,949)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">18,337,459</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Program contracts &#8211; commitments </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,709,757</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(471,248)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,238,509</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,709,757</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(444,765)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,264,992</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Service contracts &#8211; S&atilde;o Paulo</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">26,775,415</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(8,308,805)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">18,466,610</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">25,584,703</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(7,714,252)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">17,870,451</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Software license of use</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,267,468</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(721,259)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">546,209</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,249,881</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(654,477)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">595,404</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">163,985</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(118,289)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,696</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">170,921</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(95,869)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">75,052</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Right of use &#8211; Investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <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; white-space: nowrap">
    <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; white-space: nowrap">
    <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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,148</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,148</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; 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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">60,251,209</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(19,851,827)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">40,399,382</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">57,924,819</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(18,603,948)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">39,320,871</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 22%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 11%; padding-right: 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="white-space: nowrap; width: 11%; padding-right: 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: 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="white-space: nowrap; width: 11%; padding-right: 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: 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: 5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>30, </B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Intangible right arising from: </FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Concession agreements &#8211; equity value (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">499,326</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">11,488</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(705)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(260)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(9,796)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">500,053</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Concession agreements &#8211; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">652,039</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">6,014</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">41</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(99)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(61,218)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">596,777</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Program contracts (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">18,337,459</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">348</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">1,182,297</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">846</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(3,270)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(512,152)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">19,005,528</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Program contracts &#8211; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">1,264,992</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(26,483)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">1,238,509</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Service contracts &#8211; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">17,870,451</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">4,859</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">1,205,548</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(7,742)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(1,203)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(605,303)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">18,466,610</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Software license of use </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">595,404</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">17,587</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(66,782)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">546,209</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">75,052</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">2,078</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(31)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">(31,403)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">45,696</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Right of use &#8211; Investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt 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: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(26,148)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt">Total </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">39,320,871</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,285</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,422,934</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(33,708)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(4,863)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,313,137)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">40,399,382</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; text-align: justify">(*) As of June 30, 2023, Concession agreements &#8211; equity value,
and Program contracts included leases totaling R$ 49,028 and R$ 336,043 (R$ 54,356 and R$ 168,216 as of December 31, 2022), respectively.</P>


<!-- Field: Page; Sequence: 49 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->47<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 24%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>31,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 9%; padding-right: 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>Additions</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 12%; padding-right: 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>Transfer of contract asset</B></P></TD>
    <TD STYLE="width: 13%; padding-right: 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>Transfers </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 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>Write-offs and disposals</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 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>Amortization</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>30,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Intangible right arising from: </FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Concession agreements - equity value (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">491,057</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,423</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(681)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(59)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(9,343)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">485,397</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Concession agreements &#8211; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">681,441</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">17,289</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">238</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(7)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(54,160)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">644,802</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 3pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Program contracts (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">17,152,021</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">10,187</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">960,962</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,766</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,508)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(469,053)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">17,654,375</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Program contracts &#8211; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,317,957</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(26,482)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,291,475</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Service contracts &#8211; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">16,158,771</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">208</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">685,775</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,674</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(4,197)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(523,772)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">16,318,459</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Software license of use </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">598,734</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,606</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(56,358)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">587,982</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">103,853</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">16,550</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 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: 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="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(54)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(35,700)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">84,649</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Total </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">36,503,834</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,946</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,714,055</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,997</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,825)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,174,868)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">37,067,139</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; text-align: justify">(*) As of June 30, 2022, Concession agreements &#8211; equity value,
and Program contracts included leases in the amounts of R$ 59,684 and R$ 174,444 (R$ 65,012 and R$ 180,669 as of December 31, 2021), respectively.</P>

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

<P STYLE="font: 10pt 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>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Intangible right arising from concession agreements</FONT></B></P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the amounts not yet disbursed were recorded in
&#8220;Program contract commitments&#8221; under current and noncurrent liabilities, totaling R$&nbsp;61,381 and R$&nbsp;12,566 (R$&nbsp;100,188
and R$&nbsp;12,197 as of December 31, 2022), respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The amounts recorded in intangible assets are as follows:</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: 11pt">
  <TR>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 60%; padding-top: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 20%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 20%; padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">243,389</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">251,545</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,640,951</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,725,900</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-top: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">2,884,340</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">2,977,445</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 50 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->48<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The obligations assumed by the Company are as follows:</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <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="vertical-align: bottom">
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</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">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">80,078</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">80,078</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">91,782</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">36,645</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">128,427</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">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">127,389</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,616,942</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,744,331</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">130,631</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,700,123</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,830,754</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">207,467</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,616,942</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,824,409</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">222,413</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,736,768</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,959,181</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>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The average amortization rate totaled 4.9% and 4.8% as of June 30,
2023 and 2022, respectively.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 60%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Nature</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30, </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt 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: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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">Leases - Contract asset</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">-</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">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">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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">Leases - Concession and Program Contract</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">580,576</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">405,431</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">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(195,505)</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">(182,859)</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">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">385,071</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">222,572</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">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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">Other assets (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Vehicles</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">151,821</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">153,384</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">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Properties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">12,000</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">11,711</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">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">164</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">5,826</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">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(118,289)</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">(95,869)</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">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">45,696</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">75,052</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="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 0.5pt; border-top: Black 0.5pt solid; border-bottom: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 0.5pt; border-top: Black 0.5pt solid; border-bottom: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Right of use</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">430,767</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 1.5pt double">574,517</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; 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 16.</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: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->49<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The table below shows the impact on the Company&#8217;s result:</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt 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: 60%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 30, </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="width: 20%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 30, </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Right of use amortization</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">(44,048)</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">(47,242)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(36,464)</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">(35,664)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Expenses of short-term leases with low value</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">(14,447)</P></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">(12,200)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Reduction of profit for the period</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 1.5pt double">(94,959)</P></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 1.5pt double">(95,106)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, the accounting balances of the agreements in
force recorded in contract asset and intangible assets were R$ 72,841 and R$ 2,453,858 (R$ 138,550 and R$ 2,126,106 as of December 31,
2022), respectively.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Property, plant and equipment </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="4" STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD COLSPAN="4" STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <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></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 24%; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; width: 8%; padding-left: 3pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; width: 11%; padding-left: 3pt">
    <P STYLE="font: 7pt 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: 3pt; white-space: nowrap; vertical-align: bottom; width: 9%; padding-left: 3pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="padding-right: 3pt; vertical-align: top; width: 10%; padding-left: 3pt">
    <P STYLE="font: 7pt 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: 3pt; white-space: nowrap; vertical-align: bottom; width: 8%; padding-left: 3pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; width: 11%; padding-left: 3pt">
    <P STYLE="font: 7pt 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: 3pt; white-space: nowrap; vertical-align: bottom; width: 9%; padding-left: 3pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="padding-right: 3pt; vertical-align: top; width: 10%; padding-left: 3pt">
    <P STYLE="font: 7pt 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-left: 3pt; white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">94,228</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">94,228</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">94,228</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">94,228</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; 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-left: 3pt; white-space: nowrap; font: 9pt Univers,sans-serif; padding-right: 3pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">93,056</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(42,935)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">50,121</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2.1%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">90,311</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(42,343)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">47,968</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2.1%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 3pt; white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">434,216</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(299,242)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">134,974</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">14.3%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">412,828</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(291,963)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">120,865</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">15.3%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 3pt; white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">14,708 </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(10,304)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,404</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">9.9%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12,578</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(10,083)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,495</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">9.9%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 3pt; white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">42,971</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(15,347)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">27,624</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6.7%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">38,528</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(15,032)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">23,496</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-bottom: 1pt; padding-left: 3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6.7%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 3pt; white-space: nowrap; padding-right: 3pt; 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: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">60,199</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(341)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">59,858</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5.0%</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">50,189</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(302)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,887</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt 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-left: 3pt; white-space: nowrap; padding-right: 3pt; 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: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">739,378</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(368,169)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">371,209</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">11.2%</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">698,662</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(359,723)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">338,939</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">11.2%</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>


<!-- Field: Page; Sequence: 52 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->50<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 29%; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <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>
    <TD STYLE="padding-right: 5pt; width: 11%">
    <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; white-space: nowrap; width: 12%">
    <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; white-space: nowrap; width: 12%">
    <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; white-space: nowrap; width: 12%">
    <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; white-space: nowrap; width: 12%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 0cm; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Land</FONT></TD>
    <TD STYLE="white-space: nowrap; 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>
    <TD STYLE="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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="white-space: nowrap; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,287</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">459</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(593)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">50,121</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">23,680</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,820</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(387)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(13,004)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">134,974</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; 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>
    <TD STYLE="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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,241</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(332)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,404</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,308</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">660</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(54)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(786)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">27,624</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">49,887</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,011</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <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; white-space: nowrap">
    <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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(40)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">59,858</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">338,939</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">40,286</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,180</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(441)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(14,755)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">371,209</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 29%; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <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: 11%">
    <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; white-space: nowrap; width: 12%">
    <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; white-space: nowrap; width: 12%">
    <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; white-space: nowrap; width: 12%">
    <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; white-space: nowrap; width: 12%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 0cm; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; 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-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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="white-space: nowrap; 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-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">829</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(92)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(580)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,610</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; 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-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">14,054</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,601)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(208)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(11,392)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">115,007</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; 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-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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(81)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(289)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,102</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; 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-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,118</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(724)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(54)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(714)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">21,705</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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; white-space: nowrap">
    <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">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,799</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">95</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(44)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">18,591</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">291,157</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">22,800</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(3,403)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(307)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(13,019)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">297,228</P></TD></TR>
  </TABLE>


<!-- Field: Page; Sequence: 53 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->51<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Borrowings and financing</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt 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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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>June 30, 2023</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, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">45,032</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">90,482</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">50,955</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">33,587</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">84,542</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">169,113</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">168,726</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">337,839</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">490,753</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">374,236</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">864,989</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">506,110</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">506,110</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">1,285,721</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">1,285,721</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">299,778</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">698,477</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">998,255</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">1,197,948</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">1,197,948</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">1,304,064</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">1,304,064</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">125,000</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">873,170</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">998,170</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">103,412</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">1,532,384</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">1,635,796</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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="white-space: nowrap; 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">7,259</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">19,873</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">27,132</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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="white-space: nowrap; 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">4,918</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">13,525</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">18,443</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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="white-space: nowrap; 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">27,118</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">20,284</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">47,402</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">155,404</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">582,678</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">738,082</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">34,019</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">375,627</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">409,646</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">6,613</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">13,350</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">19,963</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">2,073,812</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">2,255,161</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">835,388</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">872,728</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">445,163</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">459,263</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">455,900</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">470,000</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">19,000</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">724,853</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">743,853</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">47,884</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">287,557</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">335,441</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">47,783</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">23,084</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">70,867</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">7,002</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">4,399</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">11,401</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">446,144</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">446,144</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">2,334,494</P></TD>
    <TD STYLE="white-space: nowrap; 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">13,894,948</P></TD>
    <TD STYLE="white-space: nowrap; 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">16,229,442</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  </TABLE>


<!-- Field: Page; Sequence: 54 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->52<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="text-align: center; padding-right: 3.5pt; padding-left: 3.5pt; vertical-align: bottom">
    <P STYLE="border-bottom: Black 0.5pt solid; font: 8.5pt Georgia,serif; margin: 0 0 0.1pt"><B>June 30, 2023</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, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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$ 25,695 thousand (US$ 30,834 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">49,532</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">74,298</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">123,830</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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$ 101,715 thousand (US$ 74,299 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">467,707</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">467,707</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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$ 90,123 thousand (US$ 78,197 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">393,022</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">422,321</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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; 7,490,795 thousand (&yen; 8,067,010 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">38,445</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">211,448</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">249,893</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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; 6,735,040 thousand (&yen; 7,253,120 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">34,566</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">189,985</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">224,551</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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; 3,608,700 thousand (&yen; 3,753,048 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">9,631</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">109,931</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">119,562</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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; 25,389,252 thousand (&yen; 26,296,011 thousand in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">60,499</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">784,896</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">845,395</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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 in December 2022)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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="white-space: nowrap; 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">22,488</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">22,488</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">244,460</P></TD>
    <TD STYLE="white-space: nowrap; 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">2,231,287</P></TD>
    <TD STYLE="white-space: nowrap; 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">2,475,747</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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></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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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 1.5pt double">2,578,954</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">16,126,235</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">18,705,189</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">2,245,960</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">16,712,711</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">18,958,671</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 0.1pt"><I>&nbsp;</I></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 0.1pt">Exchange rates as of June 30, 2023: US$ 4.8192; &yen;&nbsp;0.03336 (as of December
    31, 2022: US$ 5.2177; &yen; 0.03957).</P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 0.1pt">As of June 30, 2023, the Company did not have balances of borrowings and financing
    raised during the year, maturing within 12 months.</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 55 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->53<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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>Local currency</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,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: 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>Inflation adjustment</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">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: 8pt">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: 8pt">2025</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">TR + 9.5% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 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">CDI + 0.75% (series 1), 4.5% (series 2), and 4.75% (series 3)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">TJLP + 1.92 % (series 1 and 3) and 8.25% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IPCA (series 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 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">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: 8pt">IPCA (series 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">CDI + 0.49% (series 1) and CDI+ 0.63% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 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">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: 8pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">4.65% (series 1) and 4.95% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">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="white-space: nowrap; 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">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: 8pt">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: 8pt">2028</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">CDI + 1.20% (series 1) and CDI+ 1.44% (series 2) and</P>
    <P STYLE="font: 8pt 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="white-space: nowrap; 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">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: 8pt">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: 8pt">2036</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">CDI + 1.29% (series 1), 5.3058% (series 2), and</P>
    <P STYLE="font: 8pt 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: 8pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 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">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="white-space: nowrap; 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: 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">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: 8pt">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: 8pt">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: 8pt">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: 8pt">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: 8pt">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: 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">TJLP + 1.82% </FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 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">TJLP + 1.92% </FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">TJLP + 1.66% </FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 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">TJLP + 2.18% </FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">TJLP + 1.76%</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8.5pt">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: 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">CDI + 0.86%</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8.5pt">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: 8pt">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: 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">CDI+ 1.90% and CDI 2.70%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; 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 &#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: 8pt">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: 8pt">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: 8pt">CDI + 2.50%</FONT></TD>
    <TD STYLE="white-space: nowrap; 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 &#8211; IDB Invest 2023</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">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: 8pt">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: 8pt">CDI + 0.50%</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">CDI + 2.00%</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 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: 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">7.73% to 10.12% </FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 8pt">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: 8pt">5.20% to 15.39%</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">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: 8pt">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: 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% (FEHIDRO) TJLP + 1.5% (FINEP)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD></TR>
  </TABLE>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; text-indent: -35.45pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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$ 25,695 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">4.03% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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$</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Inter-American Development Bank - IDB 4623 &#8211; US$ 101,715 thousand</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6.14% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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$</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">International Bank for Reconstruction and Development (IBRD) &#8211; </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">IBRDs 7662 and 8916 - US$ 90,123 thousand</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5.36% and 6.46% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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; 7,490,795 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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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; 6,735,040 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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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; 3,608,700 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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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; 25,389,252 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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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">&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>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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>
  </TABLE>
<P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</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">(*) Rates comprising SOFR + contractually defined spread.</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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&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 June 30, 2023</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 9%; padding-right: 3pt; 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: 3pt; 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: 3pt; 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: 3pt; 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: 3pt; 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: 3pt; 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: 3pt; 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="white-space: nowrap; width: 9%; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">360,436</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">1,204,595</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">1,334,339</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">1,212,543</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">1,357,016</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">655,401</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">1,543,790</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">7,668,120</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">50,923</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">106,589</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">113,242</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">120,311</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">127,810</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">135,646</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">981,275</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">1,635,796</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">117,665</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">235,331</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">214,938</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">205,029</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">192,377</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">72,783</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">222,545</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">1,260,668</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB - National </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">123,444</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">249,099</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">260,899</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">330,209</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">315,069</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">420,959</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">2,357,473</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">4,057,152</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">7,600</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">22,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">34,200</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">41,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">60,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">83,600</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">493,053</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">743,853</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">47,884</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">50,309</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">34,600</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">33,492</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">36,754</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">40,336</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">92,066</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">335,441</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">37,476</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">17,633</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">10,550</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">4,500</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">708</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">70,867</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">5,505</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">2,994</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">2,760</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">11,401</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">438,951</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">7,193</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">446,144</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,189,884</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,896,543</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,005,528</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,948,026</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,090,534</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,408,725</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">5,690,202</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">16,229,442</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-bottom: 0.2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">24,766</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">49,532</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">62,432</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">25,799</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">25,799</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">25,799</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">377,410</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">591,537</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">14,650</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">29,299</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">261,176</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">422,321</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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">71,571</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">143,141</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">652,125</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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">1,439,401</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">22,488</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">22,488</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">133,475</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">221,972</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">234,872</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">198,239</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">198,239</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">198,239</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">1,290,711</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 0.5pt solid">2,475,747</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; 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="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">1,323,359</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">2,118,515</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">2,240,400</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">2,146,265</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">2,288,773</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">1,606,964</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">6,980,913</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.2pt; text-align: right; border-bottom: Black 1.5pt double">18,705,189</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.25pt"><B>&nbsp;</B></FONT></P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->56<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 27%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,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>Inflation adjustment
    and exchange rate change</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 rate change 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="white-space: nowrap; 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="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center"><B>30, </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 0.2pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">8,166,366</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,031)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">89,878</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12,850</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(378,829)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(380,984)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">320,880</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">90,200</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,577</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,924,907</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">1,526,185</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">154,222</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12038</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">3,325</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(59,920)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(55,702)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">47,245</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12,984</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,640,377</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">1,380,993</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6,605</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,643</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(50,962)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(124,074)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">40,564</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">9,746</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">130</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,264,645</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">2,450,550</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(165,514)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(90,674)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">51,130</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">111,630</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">478</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,357,600</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">943,619</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(71,521)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(18,670)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">22,661</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">45,548</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">333</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">921,970</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">774,525</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">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(57,794)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(7,600)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">57,104</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">457</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">766,692</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">469,327</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(36,662)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(7050)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">36,615</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">128</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">462,358</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(4,484)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">7,626</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">473,142</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">357,844</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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(27,338)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(22,403)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">27,338</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">335,441</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">101,374</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,078</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(9,127)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(41,711)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">18,253</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">70,867</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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>
    <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="white-space: nowrap; 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">3,629</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">41</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">(331)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(4,376)</P></TD>
    <TD STYLE="white-space: nowrap; 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">344</P></TD>
    <TD STYLE="white-space: nowrap; 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</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">11,443</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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>
    <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">2,078</P></TD>
    <TD STYLE="white-space: nowrap; 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">627,851</P></TD>
    <TD STYLE="white-space: nowrap; 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">(1,031)</P></TD>
    <TD STYLE="white-space: nowrap; 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">108,562</P></TD>
    <TD STYLE="white-space: nowrap; 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">17,818</P></TD>
    <TD STYLE="white-space: nowrap; 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">(862,482)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(753,244)</P></TD>
    <TD STYLE="white-space: nowrap; 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">572,656</P></TD>
    <TD STYLE="white-space: nowrap; 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">327,218</P></TD>
    <TD STYLE="white-space: nowrap; 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">7,103</P></TD>
    <TD STYLE="white-space: nowrap; 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">16,229,442</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">532,693</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">136,523</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(2,736)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(44,715)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(13,838)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(26,343)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">17,482</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">485</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">599,551</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">399,762</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">74,076</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,588)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(31,751)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(10,061)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(16,014)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">13,870</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">228</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">428,578</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">1,803,109</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(269,255)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(14,725)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(84,058)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12,023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">421</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">103</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,447,618</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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>
    <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="white-space: nowrap; 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="white-space: nowrap; 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="white-space: nowrap; 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">(1,813)</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">(1,447)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(38,323)</P></TD>
    <TD STYLE="white-space: nowrap; 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">909</P></TD>
    <TD STYLE="white-space: nowrap; 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">311</P></TD>
    <TD STYLE="white-space: nowrap; 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">169</P></TD>
    <TD STYLE="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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>
    <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="white-space: nowrap; 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">210,599</P></TD>
    <TD STYLE="white-space: nowrap; 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">(4,324)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(347,534)</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">(40,071)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(164,738)</P></TD>
    <TD STYLE="white-space: nowrap; 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">44,284</P></TD>
    <TD STYLE="white-space: nowrap; 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</P></TD>
    <TD STYLE="white-space: nowrap; 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">985</P></TD>
    <TD STYLE="white-space: nowrap; 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">2,475,747</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 0.3pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">18,958,671</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 0.3pt; text-align: right; border-bottom: Black 1.5pt double">2,078</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">838,450</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">(5,355)</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">(238,972)</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">17,818</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">(902,553)</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">(917,982)</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">616,940</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">328,006</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">8,088</P></TD>
    <TD STYLE="white-space: nowrap; 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 1.5pt double">18,705,189</P></TD></TR>
  </TABLE>


<!-- Field: Page; Sequence: 59 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->57<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 25%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Addition (lease)</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; 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 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Borrowing costs</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Inflation adjustment and
    exchange rate changes</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 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Inflation adjustment /
    exchange rate change 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 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest paid</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; 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 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provision for interest
    and fees - Capitalized</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Expenses with borrowing
    costs </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>30, </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&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">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; 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="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right">&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">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; 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="white-space: nowrap; 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">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; 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="white-space: nowrap; 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: 8pt">1,000,000</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(3,260)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">155,490</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(251,420)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(503,957)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">239,385</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">124,882</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">5,578</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">8,234,666</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; 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="white-space: nowrap; 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: 8pt">71,596</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">5,011</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">2,770</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(58,108)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(49,170)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">36,194</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">21,999</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">1,513,405</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; 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="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">1,535</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">1,238</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(51,301)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(104,982)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">26,414</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">24,431</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">129</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">1,290,308</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; 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">IDB 2202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; 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="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(108,419)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(90,674)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">43,471</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">101,549</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">478</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">2,535,847</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; 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">IDB INVEST</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; 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="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(44,803)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(16,130)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">59,502</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">333</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">955,844</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-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="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 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: 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(27,292)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(18,636)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">27,292</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">378,675</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; 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">Leases (others)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">16,550</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(8,372)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(43,157)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">16,745</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">107,735</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14,094</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,654</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">18</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">(403)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(2,702)</P></TD>
    <TD STYLE="white-space: nowrap; 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">376</P></TD>
    <TD STYLE="white-space: nowrap; 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">31</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">15,068</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14,427,683</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">16,550</P></TD>
    <TD STYLE="white-space: nowrap; 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">1,075,250</P></TD>
    <TD STYLE="white-space: nowrap; 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">(3,260)</P></TD>
    <TD STYLE="white-space: nowrap; 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">162,054</P></TD>
    <TD STYLE="white-space: nowrap; 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">4,008</P></TD>
    <TD STYLE="white-space: nowrap; 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">(550,118)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(829,408)</P></TD>
    <TD STYLE="white-space: nowrap; 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">449,379</P></TD>
    <TD STYLE="white-space: nowrap; 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">272,892</P></TD>
    <TD STYLE="white-space: nowrap; 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">6,518</P></TD>
    <TD STYLE="white-space: nowrap; 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">15,031,548</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; 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="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">IDB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; 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="white-space: nowrap; 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: 8pt">95,847</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(3,444)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(18,922)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(4,398)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(28,316)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">4,165</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">161</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">432,930</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; 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="white-space: nowrap; 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: 8pt">2,841</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(1,547)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(26,884)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">61</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(944)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(15,215)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">886</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">2</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">167</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">380,248</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; 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: 1pt; 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="white-space: nowrap; 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: 8pt">15,546</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(477,964)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">516</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(18,272)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">(94,808)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">12,673</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">2,149</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">103</FONT></TD>
    <TD STYLE="white-space: nowrap; 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: 8pt">1,841,830</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">85,548</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,446)</P></TD>
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">(1052)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(40,115)</P></TD>
    <TD STYLE="white-space: nowrap; 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">610</P></TD>
    <TD STYLE="white-space: nowrap; 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">294</P></TD>
    <TD STYLE="white-space: nowrap; 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">209</P></TD>
    <TD STYLE="white-space: nowrap; 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">40,048</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 7pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,296,153</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">114,234</P></TD>
    <TD STYLE="white-space: nowrap; 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">(4,991)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(529,216)</P></TD>
    <TD STYLE="white-space: nowrap; 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">577</P></TD>
    <TD STYLE="white-space: nowrap; 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">(24,666)</P></TD>
    <TD STYLE="white-space: nowrap; 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">(178,454)</P></TD>
    <TD STYLE="white-space: nowrap; 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">18,334</P></TD>
    <TD STYLE="white-space: nowrap; 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">2,445</P></TD>
    <TD STYLE="white-space: nowrap; 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">640</P></TD>
    <TD STYLE="white-space: nowrap; 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">2,695,056</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">17,723,836</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">16,550</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,189,484</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(8,251)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(367,162)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,585</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(574,784)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,007,862)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">467,713</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">275,337</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,158</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">17,726,604</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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,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 the six-month period ended
June 30, 2023</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">In the first quarter of 2023, the Company paid the final amortization
of the 17th issue debentures, totaling R$&nbsp;152,157, of which R$&nbsp;145,284 in principal and R$&nbsp;6,873 in interest.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">In the first quarter of 2023, the Company paid the final amortization
of the 2nd series of the 22nd issue debentures, totaling R$&nbsp;214,404, of which R$&nbsp;200,000 in principal and R$&nbsp;14,404 in
interest.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>IDB INVEST 2023</B></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">In the second quarter of 2023, the Company raised R$ 470.0 million
with the Inter-American Investment Corporation (IDB INVEST).</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The proceeds from this contract will be used to partially finance
the Company&#8217;s investments related to the 4th Stage of the Tiet&ecirc; River Cleaning Project.</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">The principal will be amortized in semi-annual payments in December
and June, starting in December 2023 and ending in December 2036. Interests mature semi-annually in June and December, starting in June
2023 and ending in December 2036, at CDI + 0.5% p.a.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The loan is collateralized by Soci&eacute;t&eacute; de Promotion et
de Participation pour la Coop&eacute;ration Economique (PROPARCO). Interests mature semi-annually in June and December, starting in June
2023 and ending in December 2036, at CDI + 2.0% p.a.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The covenants agreed upon for IDB INVEST 2023
are:</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt 21.25pt; text-align: justify">Calculated every quarter, when disclosing the quarterly
information or annual financial statements:</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt 21.25pt; text-align: justify">- Net debt/adjusted EBITDA equal to or lower than 3.50;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt 21.25pt; text-align: justify">- Adjusted EBITDA/paid financial expenses equal to or
higher than 2.35;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt 21.25pt; text-align: justify">They should be maintained for two (2) consecutive quarters
or not, for any four (4) consecutive quarters.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>IDB 1983AB</B></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">In the second quarter of 2023, the Company paid the final amortization
of IDB 1983AB, totaling R$&nbsp;39.7 million, of which R$&nbsp;38.3 million in principal and R$&nbsp;1.4 million in interest.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>BNDES PAC 2008</B></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">In the second quarter of 2023, the Company paid the final amortization
of BNDES PAC 2008, totaling R$ 1.1 million.</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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>IFC 2023</B></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">In the second quarter of 2023, the Company contracted financing of
R$&nbsp;1.0 billion with the International Finance Corporation (IFC), which is expected to be received by September 2023. The proceeds
raised from this contract will be exclusively used to cover the costs of the New Pinheiros Project.</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">The principal will be amortized in semi-annual payments in October
and April, starting in October 2025 and ending in April 2033. Interests mature semi-annually in October and April, starting in October
2023 and ending in April 2033, at CDI + 1.7% p.a. SABESP must also pay to IFC a commitment fee of 1% p.a. on the portion that has not
been disbursed or canceled.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">The covenants agreed upon for IFC 2023 are:</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt 21.25pt; text-align: justify">Calculated every quarter, when disclosing the quarterly
information or annual financial statements:</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt 21.25pt; text-align: justify">- Net debt/adjusted EBITDA equal to or lower than 3.50;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt 21.25pt; text-align: justify">- Adjusted EBITDA/paid financial expenses equal to or
higher than 2.35;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 6pt 21.25pt; text-align: justify">They should be maintained for two (2) consecutive quarters
or not, for any four (4) consecutive quarters.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="font-weight: normal">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.</FONT></P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="font-weight: normal">After startup, the lease payment
period starts (240 monthly installments), and the amount is periodically restated by the contracted price index.</FONT></P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="font-weight: normal">The amounts payable for the right
of use of assets are also recorded in this line. See Note 14 (f).</FONT></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="font-weight: normal">The table below shows the more restrictive
covenants as of June 30, 2023.</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: 11pt">
  <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: bold 9pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid">Covenants</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="font: bold 12pt Arial,sans-serif; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">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="font: bold 12pt Arial,sans-serif; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">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="font: bold 12pt Arial,sans-serif; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">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="font: bold 12pt Arial,sans-serif; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">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">Other Onerous Debt <SUP>(1)</SUP> / Adjusted EBITDA</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">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="font: bold 12pt Arial,sans-serif; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">Higher than 1.00</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: bold 12pt Arial,sans-serif; padding-top: 6pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt; font-weight: normal">(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 installment payments of debts with the electricity supplier.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="font-weight: normal">As of June 30, 2023, and December
31, 2022, the Company met the requirements set forth by its borrowings and financing agreements.</FONT></P>



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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->60<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,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: bold 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 80%; 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>Agent</B></P></TD>
    <TD STYLE="width: 2%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 18%; 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>June 30, 2023</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">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">940</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">219</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">956</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,093</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; 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">14</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,222</P></TD></TR>
  </TABLE>
<P STYLE="font: bold 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">(*) Brazilian Central Bank&#8217;s exchange rate as of June 30, 2023
(US$ 1.00 = R$ 4.8192; &yen; 1.00 = R$ 0.03336).</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">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 Helvetica,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>Taxes and contributions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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: bold 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 60%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Frutiger Light,serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Recoverable taxes</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="font: 10pt Frutiger Light,serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">221,808</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">206,517</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Withheld income tax (IRRF) on financial investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,329</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">33,283</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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 federal taxes</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,683</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,106</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">244,820</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">242,906</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: 11pt 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 Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 60%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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>Taxes and contributions payable</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">112,882</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">22,069</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">134,624</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">INSS (social security contribution)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">45,371</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">44,515</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">IRRF (withholding income tax)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">6,584</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">63,361</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Others</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,792</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">50,961</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">232,698</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">293,461</P></TD></TR>
  </TABLE>
<P STYLE="font: bold 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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>




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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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt 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 Georgia,serif; margin: 0">&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>18</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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 60%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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 income tax assets </B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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">598,202</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Frutiger Light,serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">132,059</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">141,606</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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">45,710</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">46,088</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">217,761</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">199,363</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">212,969</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt 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="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,206,701</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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 income tax liabilities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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">(346,822)</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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">(471,264)</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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">(343,901)</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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">(93,561)</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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">(41,951)</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <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">(11,116)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt 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="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <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">(1,308,615)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(101,914)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(189,278)</P></TD></TR>
  </TABLE>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->62<!-- Field: /Sequence --> of 87&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Deferred income tax assets</B></FONT></TD>
    <TD STYLE="width: 17%; padding-right: 5pt; padding-left: 5.4pt">
<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>December 31,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5pt; padding-left: 5.4pt">
<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>Net</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>change</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5pt; padding-left: 5.4pt">
<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>June 30,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">560,404</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">37,798</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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">598,202</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">141,606</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(9,547)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">132,059</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">46,088</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(378)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">45,710</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">199,363</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18,398</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">217,761</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">171,798</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">41,171</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">212,969</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,119,259</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">87,442</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,206,701</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Deferred income tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">6,995</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(346,822)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(13,595)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(471,264)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,749</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(343,901)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Actuarial gain &#8211; G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(93561)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,372</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(41,951)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <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: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,401</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(11,116)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <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: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,308,615)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(189,278)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">87,364</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(101,914)</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 CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Deferred income tax assets</B></FONT></TD>
    <TD STYLE="width: 17%; padding-right: 5pt; padding-left: 5.4pt">
<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>December 31,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5pt; padding-left: 5.4pt">
<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>Net</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>change</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5pt; padding-left: 5.4pt">
<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>June 30,</B></P>
    <P STYLE="font: 9pt 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">503,374</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">22,939</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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">526,313 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,384)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">146,193</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(524)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">47,065</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(401)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">183,562</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">127,092</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(4,112)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">122,980</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,012,595</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,518</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,026,113</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"><B>Deferred income tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">7,517</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(360,718)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(24,432)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(429,363)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,749</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(349,513)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Actuarial gain &#8211; G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,381</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(44,698)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(14,556)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,003</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(12,553)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,296,334)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(9,782)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,306,116)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(283,739)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,736</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(280,003)</P></TD></TR>
  </TABLE>


<!-- Field: Page; Sequence: 65 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->63<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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>Reconciliation of the effective tax rate</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt 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 Georgia,serif; margin: 0; text-align: justify">&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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; width: 40%; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; width: 15%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 6pt; width: 15%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 6pt; width: 15%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 6pt; white-space: nowrap; width: 15%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 6pt; 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 before income taxes</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,056,834</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,189,778</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">589,738</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,063,940</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Statutory rate</FONT></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 6pt; white-space: nowrap">
    <P STYLE="font: 9pt 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="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Estimated expense at statutory rate</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(359,323)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(744,525)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(200,511)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(701,740)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Tax benefit of interest on capital</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">44,492</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">44,492</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">32,878</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">32,878</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Permanent differences:</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">&#9;Provision Law 4,819/1958 &#8211; G0 (i)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(10,158)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(20,930)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(7,013)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(14,985)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">&#9;Donations</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,406)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,472)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,505)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,881)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">&#9;Other differences</FONT></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">15,304</P></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26,612</P></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,871</P></TD>
    <TD STYLE="padding-right: 6pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">22,785</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(313,091)</P></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(698,823)</P></TD>
    <TD STYLE="padding-right: 6pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(167,280)</P></TD>
    <TD STYLE="padding-right: 6pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(665,943)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">Current income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(402,699)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(786,187)</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(180,174)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(669,679)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">Deferred income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">89,608</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">87,364</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">12,894</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,736</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">Effective rate</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">30%</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">32%</FONT></TD>
    <TD STYLE="padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">28%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 6pt; padding-bottom: 1pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">32%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Permanent difference related to the provision
for the actuarial liability. See Note 21 (ii) and (v).</P>

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


<!-- Field: Page; Sequence: 66 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->64<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Provisions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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 to the Annual Financial Statements as of
December 31, 2022. The terms and payment amounts are defined based on the outcome of these lawsuits.</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt">
    <P STYLE="font: 10pt 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: 5pt; white-space: nowrap; width: 30%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 9pt 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: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 9pt 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: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 11%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%">
    <P STYLE="font: 9pt 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: 5pt; width: 11%">
    <P STYLE="font: 9pt 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Customer claims (i)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">137,309</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(6,445)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">130,864</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">151,023</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(6,226)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">144,797</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Supplier claims (ii)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">265,238</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(52,301)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">212,937</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">257,080</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(53)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">257,027</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other civil claims (iii)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">151,467</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(1,345)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">150,122</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">99,462</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(1,131)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">98,331</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Tax claims (iv)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">93,408</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(16,603)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">76,805</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">79,532</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(16,037)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">63,495</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Labor claims (v)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">654,816</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(14,345)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">640,471</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">654,277</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(13,979)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">640,298</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 0.5pt solid; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">457,180</FONT></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 0.5pt solid; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">(48)</FONT></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 0.5pt solid; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">457,132</FONT></P></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 0.5pt solid; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">406,872</FONT></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 0.5pt solid; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">(36)</FONT></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 0.5pt solid; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">406,836</FONT></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 1.5pt double; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">1,759,418</FONT></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 1.5pt double; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">(91,087)</FONT></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; border-bottom: Black 1.5pt double; text-align: right; margin-right: 0; margin-left: 0"><FONT STYLE="font-weight: normal">1,668,331</FONT></P></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,648,246</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(37,462)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,610,784</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Current</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">1,019,086</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">-</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">1,019,086</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Noncurrent</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">740,332</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">(91,087)</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">649,245</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">724,208</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(37,462)</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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></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: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1pt"></TD><TD STYLE="width: 3%"><FONT STYLE="font-family: Georgia,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 Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>30,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2023</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">151,023</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,077</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">7,493</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(22,863)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,421)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">137,309</FONT></TD></TR>
  <TR>
    <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">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">257,080</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">29,476</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">10,223</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(31,401)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(140)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">265,238</FONT></TD></TR>
  <TR>
    <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 civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">99,462</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">59,599</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,352</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(10,292)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(12,654)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">151,467</FONT></TD></TR>
  <TR>
    <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">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">79,532</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">11,788</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,176</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(277)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(811)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">93,408</FONT></TD></TR>
  <TR>
    <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">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">654,277</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">24,654</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">27,181</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(20,713)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(30,583)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">654,816</FONT></TD></TR>
  <TR>
    <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">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">406,872</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">31,776</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">32,739</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(14,207)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">457,180</P></TD></TR>
  <TR>
    <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">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,648,246</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">160,370</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">96,164</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(85,546)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(59,816)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,759,418</FONT></TD></TR>
  <TR>
    <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">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(37,462)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(55,112)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,488)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,429</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,546</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(91,087)</P></TD></TR>
  <TR>
    <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</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,610,784</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">105,258</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">94,676</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(84,117)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(58,270)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,668,331</P></TD></TR>
  </TABLE>


<!-- Field: Page; Sequence: 67 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->65<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt 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: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30, </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">168,258</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,664</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">15,952</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(26,261)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(10,521)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">157,092</FONT></TD></TR>
  <TR>
    <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">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">477,854</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">18,969</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">29,131</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(74,768)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(211)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">450,975</FONT></TD></TR>
  <TR>
    <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 civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">95,601</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">7,996</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">9,427</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(5,461)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,010)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">104,553</FONT></TD></TR>
  <TR>
    <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">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">57,509</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">13,209</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5,965</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(925)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(293)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">75,465</FONT></TD></TR>
  <TR>
    <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">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">349,962</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">53,825</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">17,561</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(22,322)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(23,557)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">375,469</FONT></TD></TR>
  <TR>
    <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">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">331,326</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">19,901</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">33,599</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(300)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(101)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">384,425</P></TD></TR>
  <TR>
    <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">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,480,510</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">123,564</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">111,635</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(130,037)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(37,693)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,547,979</FONT></TD></TR>
  <TR>
    <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">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(32,017)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(15,007)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(4,382)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,323</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,984</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(40,099)</P></TD></TR>
  <TR>
    <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</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,448,493</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">108,557</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">107,253</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(121,714)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(34,709)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,507,880</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 60%; padding-bottom: 1pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>June 30, 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 20%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>December 31, 2022</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Customer claims (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">207,192</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">200,966</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Supplier claims (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,196,948</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,147,606</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other civil claims (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,167,508</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,146,048</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Tax claims (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,025,286</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,869,583</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Labor claims (v)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,728,955</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,471,423</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">3,999,812</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">3,302,843</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">11,325,701</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">9,138,469</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt 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: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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>


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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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Include lawsuits filed by some suppliers alleging underpayment of
inflation adjustments and economic and financial imbalance of the agreements, and are in progress at different courts.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt 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, and 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: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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>(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 Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt 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: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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>Guarantee insurance </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of May 25, 2023, the Company executed an agreement effective for
one year for the issue of policies under several types of guarantee insurance. The limit that can be used is R$ 600 million. The guarantee
insurance for escrow deposit is used in legal claims, where instead of immediately disbursing cash, the Company uses the guarantee provided
by the insurance until the end of these proceedings, limited to up to five years. As of June 30, 2023,<BR>
R$ 597.3 million was available for use.</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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Labor liabilities and pension plan obligations</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 24%; 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>June 30, 2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 24%; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">44,484</FONT></TD>
    <TD STYLE="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">268,917</FONT></TD>
    <TD STYLE="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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 Christmas bonus</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">56,212</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Healthcare plan (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">73,409</FONT></TD>
    <TD STYLE="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">50,052</FONT></TD>
    <TD STYLE="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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">Separation Incentive Program - PDI (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">400,357</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Consent Decree (TAC)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5,666</FONT></TD>
    <TD STYLE="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; 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">1,243</P></TD>
    <TD STYLE="white-space: nowrap; 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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; 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="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">900,340</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">498,504</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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 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 the second quarter of 2023, the Company contributed 8.4%, on average, of
gross payroll, totaling<BR>
R$ 69,305 (8.2% in the second quarter of 2022, totaling R$ 65,345).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">Based on an agreement with the labor union, the Profit Sharing Program
corresponds to up to one month&#8217;s salary for each employee, depending on the achievement of the goals established, from January to
December, and should be paid in the subsequent year.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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>(iii)</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>Separation Incentive Program - PDI</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">In June 2023, the Company implemented the Separation Incentive Program
(PDI or Program) to pacifically reduce the workforce and provide gains in efficiency, increase of competitiveness, and optimization of
costs.</P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The deadline for registrations in the Program was from June 1 to 30,
2023, and the employment terminations will occur from July 1, 2023 to June 30, 2024. The PDI received registrations from 1,862 employees.</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">For all Program participants, compliance with the clauses contained
in the Collective Bargaining Agreement effective on the date of termination is guaranteed, and the following indemnity incentives will
be granted:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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: Georgia,serif; font-size: 10pt">a.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">half of the indemnified advance notice, proportional
to the service time at SABESP, equivalent to the percentage of the FGTS balance for termination purposes on the date of termination (according
to the table below);</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.7pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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: Georgia,serif; font-size: 10pt">b.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">indemnity incentive proportional to the service
time at SABESP based on the base salary + function bonus, for each complete year of work (according to the table below); and</FONT></TD></TR></TABLE>


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<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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: Georgia,serif; font-size: 10pt">c.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">health plan: starting from the subsequent month
of termination, the health plan will be the responsibility of the policyholder and SABESP will reimburse the monthly fee up to an individual
amount of<BR>
R$ 1,878.30/month for the policyholder and his/her spouse, for 24 consecutive and uninterrupted months. If the policyholder chooses a
health plan with a monthly fee lower than the reimbursable amount, he/she will not be entitled to any difference, thus not generating
any credit or balance to be offset against future installments over the course of the 24 consecutive and uninterrupted months.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.7pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 43%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Service time at SABESP (years)</B></P></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 26%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>% of the FGTS balance</B></P></TD>
    <TD STYLE="vertical-align: top; width: 31%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>% of the compensation for
    each complete year of work</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">&gt; 15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">20%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">20%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">11 - 15</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">12.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">12.5%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">6 - 10</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">5%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">0 - 5</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">2.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">2.5%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, R$&nbsp;529,612 was recorded due to the provision
for employee indemnity incentives, of which R$&nbsp;400,357 in current liabilities and R$&nbsp;129,255 in noncurrent liabilities under
&#8220;Labor Obligations&#8221;.</P>

<P STYLE="font: 10pt 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 Helvetica,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>Pension plan obligations</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt 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 Georgia,serif; margin: 0; text-align: justify"><B><U>Defined benefit plans</U></B></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"><B>Summary of pension plan obligations- Liabilities</B></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: 11pt">
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 55%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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>G1 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 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>Total</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">Pension plan obligations as of December 31, 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(148,116)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(2,002,075)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(2,150,191)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">(Expenses) / revenues recognized in 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">8,768</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(112,610)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(103,842)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">Payments made in 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">20,482</P></TD>
    <TD STYLE="white-space: nowrap; 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">97,907</P></TD>
    <TD STYLE="white-space: nowrap; 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">118,389</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">Pension plan obligations as of June 30, 2023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(118,866)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,016,778)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,135,644)</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>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 55%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; 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>G1 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 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>Total</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">Pension plan obligations as of December 31, 2021</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(129,600)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(2,192,062)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(2,321,662)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">(Expenses) recognized in 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(5,857)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(88,476)</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">(94,333)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">Payments made in 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">19,376</P></TD>
    <TD STYLE="white-space: nowrap; 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">91,296</P></TD>
    <TD STYLE="white-space: nowrap; 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">110,672</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; 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">Pension plan obligations as of June 30, 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(116,081)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,189,242)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,305,323)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 71 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->69<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(i)</B></TD><TD STYLE="text-align: justify"><B>G1 Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">The defined benefit plan (&#8220;G1 Plan&#8221;) managed
by SABESPREV receives similar contributions established in a plan of subsidy of actuarial study of SABESPREV, as follows:</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt 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: Symbol; font-size: 10pt">&middot;</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: 11pt 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: Symbol; font-size: 10pt">&middot;</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 Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(ii)</B></TD><TD STYLE="text-align: justify"><B>G0 Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; 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 Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(iii)</B></TD><TD STYLE="text-align: justify"><B>Sabesprev Mais Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">Managed by SABESPREV, 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" WIDTH="100%" STYLE="font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(ii)</B></TD><TD STYLE="text-align: justify"><B>VIVEST Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 35.45pt; text-align: justify">Managed 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 Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(v)</B></TD><TD STYLE="text-align: justify"><B>Reconciliation of expenditures with pension plan obligations </B></TD></TR></TABLE>

<P STYLE="font: 10pt 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: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 36%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="text-align: center; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; vertical-align: bottom">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>June</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="text-align: center; width: 17%; padding-right: 5.4pt; padding-left: 5.4pt; vertical-align: bottom">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>January to June</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="text-align: center; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; vertical-align: bottom">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>June</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="text-align: center; width: 17%; padding-right: 5.4pt; padding-left: 5.4pt; vertical-align: bottom">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>January to June</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt"><B>2022</B></P>
</DIV></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">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: justify">&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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,384)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(8,768)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,922</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5,857</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">56,305</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">112,610</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">44,238</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">88,476</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">7,068</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">13,561</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">6,429</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">12,307</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">VIVEST Plan (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">152</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">234</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">73</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">131</P></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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">59,141</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">117,637</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">53,662</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">106,771</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Capitalized</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(614)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,378)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(823)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,594)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Reimbursement of additional retirement and pension benefits paid (G0)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(26,429)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(51,051)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(23,611)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(44,402)</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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,495</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,048</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,338</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,583</P></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"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Pension plan obligations (Note 27)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">33,593</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">68,256</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">30,566</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">63,358</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</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: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->70<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Services payable</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt 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 June 30, 2023, and December 31, 2022, were R$ 588,456 and R$ 723,242, respectively.</P>

<P STYLE="font: 10pt 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 Helvetica,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>Equity </B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2023, and December 31, 2022, the authorized, 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2023</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap">
    <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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-right: 5pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
    <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; white-space: nowrap; width: 9%">
    <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; white-space: nowrap; width: 15%">
    <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; white-space: nowrap; width: 9%">
    <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="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; 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="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;343,506,664</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">50.3</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">343,506,664</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; 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="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">&nbsp;Other shareholders </FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; 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="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">252,594,432</FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">36.9</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">257,339,417</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">37.6</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5pt; 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; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">87,408,773</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">12.8</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <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; white-space: nowrap">
    <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></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt"></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 5.65pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">100.0</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">100.0</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0 0 1pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<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 June 30, 2023, the common shares traded
in Brazil were held by 31,477 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" STYLE="width: 100%; font: 11pt Arial,sans-serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<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: 11pt 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>Interest on capital </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">The Annual Shareholders' Meeting held on April 28, 2023, approved
the distribution of dividends as interest on capital totaling R$&nbsp;741,301, corresponding to minimum mandatory dividends and R$&nbsp;130,857
as supplementary minimum dividends, totaling R$&nbsp;872,158, which was paid on June 26, 2023.</P>

<P STYLE="font: 10pt 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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Earnings per share</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>Basic and diluted</B></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">Basic earnings per share are calculated by dividing the equity attributable
to owners by the weighted average number of outstanding common shares during the period. The Company does not have potentially dilutive
common shares outstanding or debts convertible into common shares. Accordingly, basic and diluted earnings per share are equal.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 48%; padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%">
<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 2pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 13%">
<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 2pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 13%">
<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 2pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%">
<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 2pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 2pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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-right: 5pt; white-space: nowrap; font: bold 12pt Arial,sans-serif; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">Profit attributable to the Company&#8217;s owners</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">743,743</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">1,490,955</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">422,458</FONT></TD>
    <TD STYLE="font: bold 12pt Arial,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">1,397,997</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 12pt Arial,sans-serif; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">Weighted average number of common shares issued</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right"><FONT STYLE="font-weight: normal">683,509,869</FONT></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right"><FONT STYLE="font-weight: normal">683,509,869</FONT></P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right"><FONT STYLE="font-weight: normal">683,509,869</FONT></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right"><FONT STYLE="font-weight: normal">683,509,869</FONT></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 12pt Arial,sans-serif; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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-right: 5pt; white-space: nowrap; font: bold 12pt Arial,sans-serif; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt; font-weight: normal">Basic and diluted earnings per share (reais per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">1.08812</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">2.18132</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">0.61807</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">2.04532</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; 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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Operating segment information </B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Result</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>April to June 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 46%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <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: 5pt; 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: 5pt; width: 18%">
    <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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Gross operating revenue&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,192,276</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,263,234</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">6,455,510</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(300,973)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(300,973)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,891,303</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,263,234</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,154,537</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Times New Roman,serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(3,909,358)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,234,832)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,144,190)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">981,945</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">28,402</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,010,347</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">50,487</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">10,047</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(14,047)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,056,834</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(670,772)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">-&nbsp;&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(670,772)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 75 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->73<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2023</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <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: 5pt; 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: 5pt; width: 18%">
    <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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Gross operating revenue&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">10,101,550</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,442,768</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">12,544,318</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(691,412)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(691,412)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,410,138</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,442,768</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">11,852,906</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Times New Roman,serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(7,083,206)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,387,847)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(9,471,053)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,326,932</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">54,921</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,381,853</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">65,120</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">16,381</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(273,576)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,189,778</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,327,916)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,327,916)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 76 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->74<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->



<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>April to June 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <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: 5pt; 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: 5pt; width: 18%">
    <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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Gross operating revenue&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,451,472</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">1,154,720</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,606,192</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(340,792)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(340,792)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,110,680</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,154,720</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5,265,400</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Times New Roman,serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(3,230,087)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,129,475)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(4,359,562)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">880,593</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">25,245</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">905,838</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,351</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">5,923</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(324,374)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Income&nbsp;&nbsp;from operations before taxes</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">589,738</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(598,165)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(598,165)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt 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: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->75<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 18%">
    <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: 5pt; 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: 5pt; width: 18%">
    <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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Gross operating revenue&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">8,749,692</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">2,042,926</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">10,792,618</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(656,828)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <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; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(656,828)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,092,864</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,042,926</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,135,790</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Times New Roman,serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(6,107,025)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,996,996)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(8,104,021)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,985,839</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,930</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,031,769</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">4,915</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">11,506</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">15,750</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,063,940</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,187,911)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8pt">(1,187,911)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt 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 31 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 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 13 (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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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 income</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt 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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 43%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
<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>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Metropolitan Region of S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,732,487</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">7,208,157</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">3,225,891</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">6,274,744</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Regional Systems </FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,459,789</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,893,393</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,225,581</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,474,948</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,192,276</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">10,101,550</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,451,472</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,749,692</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 Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">Reconciliation from gross operating income to net operating income:</FONT></B></P>

<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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 43%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
<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>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">5,192,276</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">10,101,550</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">4,451,472</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">8,749,692</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,263,234</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,442,768</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,154,720</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,042,926</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(278,821)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(649,119)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(322,341)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(619,926)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Regulation, Control and Oversight Fee (TRCF)</FONT></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(22,152)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(42,293)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(18,451)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(36,902)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">6,154,537</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">11,852,906</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,265,400</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">10,135,790</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin-top: 0pt; margin-right: 0pt; margin-bottom: 6pt; text-align: justify">(i) Includes R$&nbsp;25,734 and R$&nbsp;49,754 referring
to the TRCF charged from customers from April to June and from January to June 2023 (R$&nbsp;22,573 and R$&nbsp;43,534 from April to June
and from January to June 2022), respectively, referring to the municipalities regulated by ARSESP.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Operating costs and expenses </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 43%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
<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 2.4pt; text-align: center"><B>April to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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 2.4pt; text-align: center"><B>January to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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 2.4pt; text-align: center"><B>April to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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 2.4pt; text-align: center"><B>January to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,023,410)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,607,266)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(591,821)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,100,694)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,841)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(7,489)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(14,546)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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 25)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,234,832)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,387,847)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,129,475)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,996,996)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(85,782)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(171,613)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(95,925)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(162,415)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(138,538)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(303,437)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(142,491)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(289,799)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif">&#9;Outsourced services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(480,652)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(916,136)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(431,808)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(797,700)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(385,990)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(781,016)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(375,361)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(786,445)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(239,827)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(466,995)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(206,033)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(404,659)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(619,459)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,226,247)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(551,500)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,095,035)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(4,210,675)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(7,864,398)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,531,903)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(6,648,289)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 79 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->77<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
<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 2.4pt; text-align: center"><B>April to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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 2.4pt; text-align: center"><B>January to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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 2.4pt; text-align: center"><B>April to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<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 2.4pt; text-align: center"><B>January to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 43%; padding-right: 5pt; 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="white-space: nowrap; width: 15%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(135,845)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(206,363)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(80,464)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(148,373)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(252)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(437)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,010)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,969)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,027)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,094)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,149)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,279)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif">&#9;Outsourced services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(102,617)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(211,793)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(106,353)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(190,716)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(186)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(377)</FONT></TD>
    <TD STYLE="padding-right: 5pt; 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)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(685)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(27,424)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(55,050)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(26,561)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(51,688)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(16,886)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(33,780)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(16,717)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(33,402)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(285,237)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(510,894)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(233,525)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(430,112)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif">Bad debt expense, net of recoveries&#9; (Note 9 (c))</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(217,426)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(380,231)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(252,932)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(430,626)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif">Administrative expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(154,587)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(209,728)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(73,217)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(131,738)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(31,156)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(63,978)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(22,067)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(46,843)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,556)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(3,158)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(11,402)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(15,701)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif">&#9;Outsourced services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(59,877)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(140,144)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(61,196)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(123,029)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(597)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,181)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(460)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(905)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(128,337)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(188,348)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(124,066)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(179,453)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(34,427)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(67,889)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(29,948)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(59,474)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(19,315)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(41,104)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(18,846)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(37,851)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(430,852)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(715,530)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(341,202)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(594,994)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,313,842)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,023,357)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(745,502)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,380,805)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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 21 (v))</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(33,593)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(68,256)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(30,566)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(63,358)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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 25)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,234,832)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(2,387,847)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,129,475)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,996,996)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(90,365)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(177,865)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(109,476)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(181,395)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(138,538)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(303,437)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(142,491)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(289,799)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9pt Univers,sans-serif; white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif">&#9;Outsourced services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(643,146)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,268,073)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(599,357)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,111,445)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(386,773)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(782,574)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(376,092)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(788,035)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(395,588)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(710,393)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(356,660)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(635,800)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(670,772)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,327,916)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(598,165)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(1,187,911)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(19,315)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(41,104)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(18,846)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(37,851)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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&#9; (Note 9 (c)) </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(217,426)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(380,231)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(252,932)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(430,626)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 2pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">(5,144,190)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">(9,471,053)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">(4,359,562)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">(8,104,021)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>


<!-- Field: Page; Sequence: 80 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->78<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Financial income (expenses)</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: 11pt">
  <TR>
    <TD STYLE="white-space: nowrap; width: 43%; padding-top: 2.4pt; padding-right: 5pt; padding-bottom: 2.4pt; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 14%">
<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 2.4pt; text-align: center"><B>April to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0 0; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 14%">
<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 2.4pt; text-align: center"><B>January to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 14%">
<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 2.4pt; text-align: center"><B>April to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; width: 15%">
<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 2.4pt; text-align: center"><B>January to</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0 0; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Financial Expenses</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font: 10pt Verdana,sans-serif; white-space: nowrap; padding: 2.4pt 5pt 2.4pt 7.1pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest and charges on borrowings and financing &#8211; local currency </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(253,960)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(527,066)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(215,789)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(405,342)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest and charges on borrowings and financing &#8211; foreign currency </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(23,235)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(44,284)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(9,778)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(18,334)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other financial expenses </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(77,925)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(179,656)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(72,705)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(163,949)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Inflation adjustment on borrowings and financing</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(38,054)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(108,562)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(91,336)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(162,054)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other inflation adjustments </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(45,404)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(95,867)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(50,790)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(99,155)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest and inflation adjustment on provisions</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(44,351)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(89,965)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(49,328)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(93,910)</P></TD></TR>
  <TR>
    <TD STYLE="font: 9pt Univers,sans-serif; white-space: nowrap; padding: 2.4pt 5pt 2.4pt 7.1pt"><FONT STYLE="font-family: Georgia,serif">Total financial expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(482,929)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(1,045,400)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(489,726)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(942,744)</P></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Financial revenue</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Inflation adjustment gains </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">50,194</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">110,508</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">67,181</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">126,865</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Income on financial investments </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">95,348</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">198,565</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">101,339</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">181,001</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest income </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">68,787</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">135,347</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">70,920</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">141,604</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Cofins and Pasep </FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(9,928)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(20,716)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(11,134)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(20,901)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other </FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">17</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">1</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">14</P></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total financial income</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">204,401</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">423,721</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">228,307</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">428,583</P></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Financial income (expenses), net of exchange rate changes</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(278,528)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(621,679)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(261,419)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(514,161)</P></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Exchange gain (losses)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Exchange rate changes on borrowings and financing</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">263,709</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">347,534</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">(64,814)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">529,216</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Exchange rate changes on assets</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">772</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">571</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,853</FONT></TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">590</FONT></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Other exchange rate changes</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(2)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">6</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">105</P></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Exchange rate changes, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">264,481</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">348,103</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(62,955)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">529,911</P></TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 2.85pt; white-space: nowrap; vertical-align: bottom; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding: 2.4pt 5pt 2.4pt 7.1pt; white-space: nowrap; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Financial income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(14,047)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(273,576)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(324,374)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom">
    <P STYLE="font: 9pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">15,750</P></TD></TR>
  </TABLE>


<!-- 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: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->79<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Other operating income (expenses), net</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 42%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm; border-bottom: Black 0.75pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm; border-bottom: Black 0.75pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2023</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm; border-bottom: Black 0.75pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm; border-bottom: Black 0.75pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap; 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="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">58,609</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">78,960</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">13,562</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">23,870</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(8,122)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(13,840)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(11,211)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(18,955)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; 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: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">50,487</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">65,120</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">2,351</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">4,915</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; 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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">Other operating expenses usually record the derecognition of concession
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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Commitments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt 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 June 30, 2023 are as follows:</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: 11pt">
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; width: 35%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>1 year</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>1-3 years</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>3-5 years</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: center"><B>More than</B></P>
    <P STYLE="font: 9pt Georgia,serif; margin: 1pt 0; text-align: center"><B>5 years</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt 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="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Contractual obligations &#8211; Expenses </FONT></TD>
    <TD STYLE="white-space: nowrap; 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">1,297,296</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">1,466,094</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">290,952</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">631,110</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">3,685,452</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Contractual obligations - Investments</FONT></TD>
    <TD STYLE="white-space: nowrap; 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">3,594,002</P></TD>
    <TD STYLE="white-space: nowrap; 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">3,746,447</P></TD>
    <TD STYLE="white-space: nowrap; 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">2,176,953</P></TD>
    <TD STYLE="white-space: nowrap; 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">135,496</P></TD>
    <TD STYLE="white-space: nowrap; 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">9,652,898</P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,891,298</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">5,212,541</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,467,905</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">766,606</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">13,338,350</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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center"><P STYLE="text-align: justify; font: 11pt Arial,sans-serif; margin: 0"><B>Notes to the Quarterly Information</B></P></TD><TD>&nbsp;</TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Supplemental cash flow information</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: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 65%; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 18%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total additions to contract assets (Note 13)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,482,886</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,171,183</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total additions to intangible assets (Note 14 (b))</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">7,285</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">26,946</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Items not affecting cash (see breakdown </FONT><FONT STYLE="font-family: Georgia,serif; font-size: 10pt">below</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(984,519)</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(703,496)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Total additions to intangible and contract assets according to the statement of cash flows</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,505,652</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">1,494,633</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Investments and financing operations affecting intangible assets but not cash:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; 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: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Interest capitalized in the period (Note 13 (a))</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">345,824</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">279,922</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Contractors payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">237,712</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">298,729</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Performance agreements</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">343,984</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">62,365</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Right of use </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">2,078</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-bottom: 1pt; padding-left: 2.85pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">16,550</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-bottom: 1pt; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 9pt">Construction margin (Note 25)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">54,921</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,930</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; 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: 5pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">984,519</P></TD>
    <TD STYLE="padding-right: 5pt">
    <P STYLE="font: 9pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">703,496</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; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 12pt Helvetica,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>Events after the reporting period</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 12pt Times New Roman,serif; margin: 0; text-align: justify; background-color: white"><FONT STYLE="font-family: Symbol; font-size: 10pt; color: #242424">&middot;</FONT>&#9;<FONT STYLE="font-family: Georgia,serif; font-size: 10pt; color: #242424"><B>Guidelines
of SABESP&#8217;s Privatization Model</B></FONT></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; background-color: white; color: #242424"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; background-color: white; color: #242424">On July 31, 2023, at a meeting
of the Board of the State Privatization Program (CDPED), the main guidelines of SABESP&#8217;s privatization model were discussed, and
the main benefits highlighted in the first phase of the studies include (i) the addition and acceleration of investments to achieve universalization
goals; and (ii) tariff reduction through the use of a portion of the proceeds generated in the transaction.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; background-color: white; color: #242424">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; background-color: white; color: #242424">Regarding the privatization
model chosen, there was an agreement to hold a public offering of shares, and the continuation of the next phase of specialized studies
for a more in-depth detailing of the model chosen was approved, which is under the responsibility of the Investment Partnerships Secretariat.
It was also recommended that the matter be brought back to CDPED after the conclusion of the next phase for analysis and decision regarding
the next steps.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; background-color: white; color: #242424">&nbsp;</P>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; color: #242424">Regarding investments, the data used by the IFC were
based on studies to prove the Company&#8217;s economic and financial capacity and submitted to the S&atilde;o Paulo State Utility Services
Regulatory Agency (ARSESP) in December 2021. At the time, the required investment until 2033 for the universalization of basic sanitation
services, covering 99% of the population with drinking water and 90% with sewage collection and treatment, totaled R$&nbsp;47.5 billion.
This amount, updated by the IPCA and already considering investments made until 2022, currently totals R$&nbsp;56 billion.</P>

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


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<P STYLE="font: 11pt Arial,sans-serif; margin: 0"><B>Comments on the Company&rsquo;s Projections</B></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 5.2pt 0 0 21.3pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 5.2pt 0 0 21.3pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 5.2pt 0 0 21.3pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 5.2pt 0 0 21.3pt; text-align: justify"><B>Comments on the Company&#8217;s Projections</B></P>

<P STYLE="font: 11pt Georgia,serif; margin: 0 0 0 21.3pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 11.5pt Georgia,serif; margin: 0.15pt 0 0 21.3pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 62.55pt 0 21.3pt; text-align: justify">The projections presented in the Reference Form
are annual and not on a quarterly basis. Therefore, the quarterly comparison between information disclosed in the Reference Form with
quarterly results shall not apply.</P>

<P STYLE="font: bold 10.5pt Georgia,serif; margin: 0.05pt 0 0 21.3pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 21.3pt; text-align: justify">Projections are monitored every year and disclosed in
the Reference Form.</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 4.7pt 5.1pt 0 0">&nbsp;</P>


<!-- Field: Page; Sequence: 84 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->82<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt Arial,sans-serif; margin: 0"><B>Other Information Deemed as Relevant by the Company</B></P>
<P STYLE="font: 11pt Arial,sans-serif; margin: 4.5pt 64.75pt 0 14.2pt; text-align: justify; text-indent: 0cm"><FONT STYLE="font-family: Times New Roman,serif">&nbsp;</FONT></P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 4.5pt 64.75pt 0 14.2pt; text-align: justify; text-indent: 0cm"><FONT STYLE="font-family: Times New Roman,serif">&nbsp;</FONT></P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 4.5pt 64.75pt 0 14.2pt; text-align: justify; text-indent: 0cm"><FONT STYLE="font-family: Times New Roman,serif"><B>1.</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-family: Georgia,serif">CHANGES IN INTEREST HELD BY THE CONTROLLING SHAREHOLDER, BOARD MEMBERS, AND EXECUTIVE
OFFICERS</FONT></B></P>

<P STYLE="font: 10pt Times New Roman,serif; margin: 0"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman,serif; margin: 0.1pt 0 0"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: silver">
    <TD COLSPAN="5" STYLE="border: black 1pt solid">
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 26.25pt 0 35.45pt; text-align: center"><B>CONSOLIDATED SHAREHOLDING POSITION OF CONTROLLING
    SHAREHOLDERS AND MANAGEMENT, AND OUTSTANDING SHARES</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 132.6pt 0 134.7pt; text-align: center"><B>Position as of 06/30/2023</B></P></TD></TR>
  <TR>
    <TD STYLE="width: 33%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; padding-right: 0.65pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>Shareholder</B></FONT></TD>
    <TD STYLE="vertical-align: top; width: 22%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-top: 1.75pt; padding-right: 9.75pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>Number of Common Shares (units)</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-top: 1.75pt; padding-left: 0.9pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>%</B></FONT></TD>
    <TD STYLE="vertical-align: top; width: 23%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 12.2pt 0 13.15pt; text-align: center"><B>Total Number of Shares</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 12.2pt 0 12.95pt; text-align: center"><B>(units)</B></P></TD>
    <TD STYLE="vertical-align: top; width: 12%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.55pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 1.05pt; text-align: center"><B>%</B></P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.15pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Controlling Shareholder</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: center">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.3pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif">Treasury Department</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.45pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">343,506,664</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">50.3%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">343,506,664</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">50.3%</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 3.45pt; text-align: left">Companhia Paulista de Parcerias</P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 3.45pt; text-align: left">- CPP</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.5pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 2.7pt 0 0; text-align: right">6</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.5pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 2.7pt 0 0; text-align: right">6</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.5pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 2.4pt 0 0; text-align: right">0%</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.35pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Management</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.25pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif">Board of Directors</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">100</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">100</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.35pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0%</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.3pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif">Executive Board</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">1,300</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">1,300</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.35pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0%</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.3pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Fiscal Council</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.2pt; padding-right: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">110</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.2pt; padding-right: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.2pt; padding-right: 5.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">110</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.2pt; padding-right: 5.15pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0%</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.35pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.7pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.45pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.35pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Other Shareholders</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.3pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Total</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif"><B>343,508,180</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif"><B>50.3%</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif"><B>343,508,180</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.35pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif"><B>50.3%</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.25pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif">Outstanding Shares</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">340,001,689</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.7pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">49.7%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">340,001,689</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.35pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">49.7%</FONT></TD></TR>
  </TABLE>

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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: right">&nbsp;</TD></TR><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->83<!-- Field: /Sequence --> of 87&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: 85%"><P STYLE="text-align: justify; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 06/30/2023 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial,sans-serif; margin: 0.7pt 0 0 1pt">Version: 1</P></TD></TR><TR><TD STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 11pt Arial,sans-serif; margin: 0"><B>Other Information Deemed as Relevant by the Company</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: silver">
    <TD COLSPAN="5" STYLE="border: black 1pt solid">
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 33.35pt 0 35.45pt; text-align: justify"><B>CONSOLIDATED SHAREHOLDING POSITION OF CONTROLLING
    SHAREHOLDERS AND MANAGEMENT, AND OUTSTANDING SHARES</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 146.75pt 0 155.95pt; text-align: justify"><B>Position as of 06/30/2022</B></P></TD></TR>
  <TR>
    <TD STYLE="width: 33%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; padding-right: 0.65pt; padding-left: 7.1pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>Shareholder</B></FONT></TD>
    <TD STYLE="vertical-align: top; width: 22%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-top: 1.75pt; padding-right: 9.75pt; padding-left: 10.65pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>Number of Common Shares (units)</B></FONT></TD>
    <TD STYLE="vertical-align: top; width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.55pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 0.9pt; text-align: center"><B>%</B></P></TD>
    <TD STYLE="vertical-align: top; width: 23%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 12.2pt 0 13.15pt; text-align: center"><B>Total Number of Shares</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 12.2pt 0 12.95pt; text-align: center"><B>(units)</B></P></TD>
    <TD STYLE="vertical-align: top; width: 12%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.55pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 1.05pt; text-align: center"><B>%</B></P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.15pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Controlling Shareholder</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.3pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif">Treasury Department</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.35pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">343,506,664</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">50.3%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">343,506,664</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">50.3%</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 3.45pt; text-align: left">Companhia Paulista de Parcerias</P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 3.45pt; text-align: left">- CPP</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.5pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 2.7pt 0 0; text-align: right">6</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.5pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 2.6pt 0 0; text-align: right">0%</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.5pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 2.7pt 0 0; text-align: right">6</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.5pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 2.4pt 0 0; text-align: right">0%</P></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.35pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Management</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.25pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif">Board of Directors</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.45pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.3pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif">Executive Board</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.5pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">100</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0.0%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">100</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.3pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">0.0%</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.3pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Fiscal Council</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.2pt; padding-right: 2.7pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.2pt; padding-right: 2.7pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.2pt; padding-right: 2.7pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.2pt; padding-right: 2.45pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.35pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.65pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.7pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.45pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.35pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Other Shareholders</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 5.45pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 5.45pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 5.45pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 5.2pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">-</FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.3pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Total</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif"><B>343,506,770</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.55pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif"><B>50.3%</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif"><B>343,506,770</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.3pt; padding-right: 2.35pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif"><B>50.3%</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 4.25pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif">Outstanding Shares</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">340,003,099</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">49.7%</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.6pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">340,003,099</FONT></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 4.25pt; padding-right: 2.4pt; font-family: Arial,sans-serif; text-align: right"><FONT STYLE="font-family: Georgia,serif">49.7%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9pt Arial,sans-serif; margin: 4.7pt 5.1pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Arial,sans-serif; margin-top: 4.5pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Times New Roman,serif"><B>2.</B></FONT></TD><TD><FONT STYLE="font-family: Georgia,serif"><B>SHAREHOLDING POSITION</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman,serif; margin: 0"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman,serif; margin: 0.05pt 0 0"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="background-color: silver">
    <TD COLSPAN="5" STYLE="border: black 1pt solid; padding-top: 1.75pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>SHAREHOLDING POSITION OF HOLDERS OF MORE THAN 5% OF EACH TYPE AND CLASS OF COMPANY SHARES, UP TO THE INDIVIDUAL LEVEL</B></FONT></TD></TR>
  <TR STYLE="background-color: silver">
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 3.45pt; text-align: left"><B>Company:</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 1.75pt 0 0 3.45pt; text-align: left"><B>CIA SANEAMENTO B&Aacute;SICO ESTADO S&Atilde;O PAULO</B></P></TD>
    <TD COLSPAN="2" STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 1.75pt; padding-right: 13.75pt; padding-left: 58.15pt; font-family: Arial,sans-serif; text-align: right; text-indent: -25.6pt"><FONT STYLE="font-family: Georgia,serif"><B>Position as of 06/30/2023 (number of shares)</B></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-top: 1.75pt; font-family: Arial,sans-serif; text-align: right">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6.95pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>Common Shares</B></FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-top: 6.95pt; padding-right: 70.7pt; padding-left: 71.85pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>Total</B></FONT></TD></TR>
  <TR>
    <TD STYLE="width: 23%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-top: 7.25pt; padding-left: 3.45pt; font-family: Arial,sans-serif; text-align: left"><FONT STYLE="font-family: Georgia,serif"><B>Shareholder</B></FONT></TD>
    <TD STYLE="width: 22%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-top: 7.25pt; padding-left: 1.15pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>Number of Shares</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-top: 7.25pt; padding-left: 0.95pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>%</B></FONT></TD>
    <TD STYLE="width: 30%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-top: 7.25pt; padding-left: 9.6pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>Number of Shares</B></FONT></TD>
    <TD STYLE="width: 15%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-top: 7.25pt; padding-left: 1.15pt; font-family: Arial,sans-serif; text-align: center"><FONT STYLE="font-family: Georgia,serif"><B>%</B></FONT></TD></TR>
  <TR>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.4pt 0 0; text-align: left"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 0.05pt 0 0 3.45pt; text-align: left">Treasury Department</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.4pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 0.05pt 0 0 29.5pt; text-align: right">343,506,664</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.4pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 0.05pt 0 0 22.4pt; text-align: right">50.3</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.4pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 0.05pt 0 0 37.95pt; text-align: right">343,506,664</P></TD>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10.5pt Georgia,serif; margin: 0.4pt 0 0; text-align: right"><B>&nbsp;</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 0.05pt 2.35pt 0 0; text-align: right">50.3</P></TD></TR>
  </TABLE>

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    <!-- Field: /Page -->

<P STYLE="font: 11pt Arial,sans-serif; margin: 0"><B>Reports and Statements / Unqualified Report on Special Review</B></P>

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

<P STYLE="font: 11pt Arial,sans-serif; margin: 0"><B></B></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 7.1pt">(Free translation from the original issued in Portuguese. In the event of any
discrepancies, the Portuguese language version shall prevail.)</P>
<P STYLE="font: 11pt Arial,sans-serif; margin: 0"><B>&nbsp;</B></P>


<P STYLE="font: bold 9pt Arial,sans-serif; margin: 12pt 0 6pt 7.1pt">Report on Review of Interim Financial Information</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 16pt 0 6pt 7.1pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 16pt 0 6pt 7.1pt"><FONT STYLE="font-weight: normal">To the Shareholders, Directors and Management
of </FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 16pt 0 6pt 7.1pt"><FONT STYLE="font-weight: normal">Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo &#8211; SABESP</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 16pt 0 6pt 7.1pt"><FONT STYLE="font-weight: normal">S&atilde;o Paulo &#8211; SP</FONT></P>

<P STYLE="color: #4F2D7F; font: 11pt Arial,sans-serif; margin: 16pt 0 6pt 7.1pt"><FONT STYLE="font-weight: normal">Introduction</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 6pt 0 6pt 7.1pt; text-align: justify">We have reviewed the accompanying interim financial
information of Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo (&#8220;Company&#8221;), included in the Interim Financial
Information Form (ITR) for the quarter ended June 30, 2023, which comprises the Statement of financial position as of June 30, 2023 and
the related income statement and statement of comprehensive income for the three and six months then ended and the statements of changes
in equity and cash flows for the six months then ended, including a summary of significant accounting policies and other explanatory notes.</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 6pt 0 6pt 7.1pt; text-align: justify">Management is responsible for the preparation of the
interim financial information in accordance with Technical Pronouncement NBC TG - 21- Interim Financial Reporting and IAS 34 - Interim
Financial Reporting, issued by the International Accounting Standards Board (IASB), as well as for the presentation of such information
in accordance with the standards issued by the Brazilian Securities and Exchange Commission (CVM) applicable to the preparation of Interim
Financial Information (ITR). Our responsibility is to express a conclusion on this interim financial information based on our review.</P>

<P STYLE="color: #4F2D7F; font: 11pt Arial,sans-serif; margin: 16pt 0 6pt 7.1pt"><FONT STYLE="font-weight: normal">Scope of Review</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 6pt 0 6pt 7.1pt; text-align: justify">We conducted our review in accordance with Brazilian
and international standards on review of interim financial information (NBC TR 2410 and ISRE 2410 - Review of Interim Financial Information
Performed by the Independent Auditor of the Entity). A review of interim financial information consists of making inquiries, primarily
of persons responsible for financial and accounting matters, and applying analytical and other review procedures. A review is substantially
less in scope than an audit conducted in accordance with the standards on auditing and consequently does not enable us to obtain assurance
that we would become aware of all significant matters that might be identified in an audit. Accordingly, we do not express an audit opinion.</P>

<P STYLE="color: #4F2D7F; font: 11pt Arial,sans-serif; margin: 16pt 0 6pt 7.1pt"><FONT STYLE="font-weight: normal">Conclusion on the interim
financial information</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 6pt 0 6pt 7.1pt; text-align: justify">Based on our review, nothing has come to our attention
that causes us to believe that the accompanying interim financial information included in the Interim Financial Information Form (ITR)
referred to above is not prepared, in all material respects, in accordance with NBC TG &#8211; 21 and IAS 34 applicable to the preparation
of interim financial information and presented in accordance with the standards issued by the Brazilian Securities and Exchange Commission
(CVM).</P>

<P STYLE="color: #4F2D7F; font: 11pt Arial,sans-serif; margin: 6pt 0 6pt 7.1pt"><FONT STYLE="font-weight: normal">Other matters</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 6pt 7.1pt; color: #4F2D7F"><B>Statement of value added</B></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 6pt 0 6pt 7.1pt; text-align: justify">The quarterly information referred to above includes
statements of value added for the period of six months ended June 30, 2023, prepared under the responsibility of the Company's management
and presented as supplementary information for the purposes of IAS 34. These statements were submitted to the same review procedures in
conjunction with the review of the Company's interim financial information in the order to conclude they are reconciliated to the interim
financial information and to the accounting records, as applicable, and whether the structure and content are in accordance with the criteria
established in the NBC TG 09 - Statement of Value Added. Based on our review, nothing has come to our attention that causes us to believe
that the accompanying statements of value added were not prepared, in all material respects, in accordance with the interim financial
information taken as a whole.</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 7.1pt">&nbsp;</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 6pt 7.1pt">S&atilde;o Paulo, August 10, 2023</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 7.1pt">&nbsp;</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 7.1pt">Grant Thornton Auditores Independentes Ltda.</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 7.1pt">CRC 2SP-025.583/O-1</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 7.1pt">&nbsp;</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 7.1pt">&Eacute;lica Daniela da Silva Martins</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 7.1pt">Accountant CRC 1SP-223.766/O-0</P>


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    <!-- Field: /Page -->

<P STYLE="font: 11pt Arial,sans-serif; margin: 0"><B>Reports and Statements / Executive Officers&rsquo; Statement on the Report of Independent
Registered Public Accounting Firm</B></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt">&nbsp;</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Executive Officers&#8217; Statement
on the Quarterly Information </FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">STATEMENT</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt; text-align: justify"><FONT STYLE="font-weight: normal">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 27, item VI of CVM Resolution 80, of March 29, 2022, that:</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt; text-align: justify"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt; text-align: justify"><FONT STYLE="font-weight: normal">They reviewed,
discussed, and agreed with the quarterly information for the period ended June 30, 2023. </FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">S&atilde;o Paulo, August 10, 2023.</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - SABESP</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Andr&eacute; Gustavo Salcedo Teixeira
Mendes </FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">CEO</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Catia Cristina Teixeira Pereira</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Chief Economic, Financial, and Investor
Relations Officer</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Sabrina de Menezes Correa Furstenau
Sabino </FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">People and Corporate Management Officer</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Paula Alessandra Bonin Costa Violante
</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Engineering and Innovation Officer</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Roberval Tavares de Souza</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Operations and Maintenance Officer</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Bruno Magalh&atilde;es D'Abadia</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Regulation and New Businesses Officer</FONT></P>


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    <!-- Field: /Page -->

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal"></FONT></P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0"><B>Reports and Statements / Executive Officers&rsquo; Statement on the Report of Independent
Registered Public Accounting Firm</B></P>
<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Executive Officers&#8217; Statement
on the Report of Independent Registered Public Accounting Firm </FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">STATEMENT</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt; text-align: justify"><FONT STYLE="font-weight: normal">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 27, item V of CVM Resolution 80, of March 29, 2022, that:</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt; text-align: justify"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt; text-align: justify"><FONT STYLE="font-weight: normal">They reviewed,
discussed, and agreed with the Report of Independent Registered Public Accounting Firm on the quarterly information for the period ended
June 30, 2023.</FONT></P>

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<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">S&atilde;o Paulo, August 10, 2023.</FONT></P>

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<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - SABESP </FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Andr&eacute; Gustavo Salcedo Teixeira
Mendes</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">CEO</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Catia Cristina Teixeira Pereira</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Chief Economic, Financial, and Investor
Relations Officer</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Sabrina de Menezes Correa Furstenau
Sabino </FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">People and Corporate Management Officer</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Paula Alessandra Bonin Costa Violante
</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Engineering and Innovation Officer</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Roberval Tavares de Souza</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Operations and Maintenance Officer</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Bruno Magalh&atilde;es D'Abadia</FONT></P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 4.9pt 0 10.35pt"><FONT STYLE="font-weight: normal">Regulation and New Businesses Officer</FONT></P>



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<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;August 25, 2023</FONT></DIV>

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

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   <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>

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   <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;

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   <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>

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<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>

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