<SEC-DOCUMENT>0001292814-21-003597.txt : 20210902
<SEC-HEADER>0001292814-21-003597.hdr.sgml : 20210902
<ACCEPTANCE-DATETIME>20210902103807
ACCESSION NUMBER:		0001292814-21-003597
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210630
FILED AS OF DATE:		20210902
DATE AS OF CHANGE:		20210902

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:		211231979

	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>sbsitr2q21_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>

<HR align=center color=#000000 SIZE=1 width="25%" noShade>



<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, 2021</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>

<HR align=center color=#000000 SIZE=1 width="25%" noShade>

<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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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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 Times New Roman, Times, Serif; margin: 0 0 6pt; text-align: center"></P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 12pt 0.5pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 14pt Times New Roman,serif; margin-top: 4.3pt; margin-right: 0pt; margin-bottom: 0pt"><B>Table of Contents</B></P>

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

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

<P STYLE="font: 11pt Arial,sans-serif; margin-top: 7.8pt; margin-right: 0pt; margin-bottom: 0.5pt"></P>

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<P STYLE="font: 11pt Arial,sans-serif; margin-top: 7.8pt; margin-right: 0pt; margin-bottom: 0.5pt"><B>Company Information</B></P>

<P STYLE="font: 11pt Arial,sans-serif; margin: 7.8pt 0 0.5pt 7.3pt"><B></B></P>

<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 9pt">
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; width: 95%; padding-bottom: 6pt">Capital Breakdown</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; width: 5%; padding-bottom: 6pt">1</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: bold 11pt Arial, sans-serif; vertical-align: middle; text-align: left; padding-bottom: 6pt">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; padding-bottom: 6pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">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; padding-bottom: 6pt">2</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">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; padding-bottom: 6pt">3</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">Income Statement</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">5</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">Statement of Comprehensive Income</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">7</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">Statement of Cash Flows</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">8</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-weight: bold; font-family: Arial, sans-serif; vertical-align: middle; text-align: left; padding-bottom: 6pt">Statement of Changes in Equity</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: 11pt Calibri, sans-serif; vertical-align: bottom; padding-bottom: 6pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 4%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">1/01/2021 to 6/30/2021</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">10</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 4%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">1/01/2020 to 6/30/2020</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">11</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">Statement of Value Added</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">12</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">Comments on the Company&rsquo;s Performance</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">13</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">Notes to the Quarterly Information</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">23</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt"><FONT STYLE="font-family: Arial, sans-serif; font-size: 9pt">Comments on the Company&rsquo;s Projections</FONT></TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt"><FONT STYLE="font-family: Arial, sans-serif; font-size: 9pt">83</FONT></TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">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; padding-bottom: 6pt">84</TD></TR>
  <TR>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: bold 11pt Arial, sans-serif; vertical-align: middle; text-align: left; padding-bottom: 6pt">Reports and Statements</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font: 11pt Calibri, sans-serif; vertical-align: bottom; padding-bottom: 6pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">Unqualified Reports on Special Review</TD>
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; font-family: Arial, sans-serif; text-align: right; padding-bottom: 6pt">86</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">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; padding-bottom: 6pt">87</TD></TR>
  <TR STYLE="vertical-align: middle">
    <TD STYLE="border-bottom: Gray 1pt dashed; padding-top: 6pt; padding-left: 2%; font-family: Arial, sans-serif; text-align: left; padding-bottom: 6pt">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; padding-bottom: 6pt">88</TD></TR>
  </TABLE>
<P STYLE="font: 11pt Arial,sans-serif; margin: 7.8pt 0 0.5pt 7.3pt"><B>&nbsp;</B></P>


<P STYLE="font: 3.5pt Arial,sans-serif; margin: 0.4pt 0 0"><B>&nbsp;</B></P>


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<P STYLE="font: bold 12pt Arial,sans-serif; margin: 4.1pt 0 0 7.3pt">Company Data / Capital Breakdown</P>

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

<P STYLE="font: 6pt 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">
  <TR STYLE="vertical-align: top; background-color: #D2D2D2">
    <TD STYLE="width: 17%; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Number of shares</B></FONT></TD>
    <TD STYLE="width: 83%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; 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: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>(Units)</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>6/30/2021</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: gainsboro">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Paid-In Capital</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Common</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">683,509,869</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: darkgray 1pt solid; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Preferred</B></FONT></TD>
    <TD STYLE="border-bottom: darkgray 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: whitesmoke">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Total</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">683,509,869</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: gainsboro">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Common</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: darkgray 1pt solid; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Preferred</B></FONT></TD>
    <TD STYLE="border-bottom: darkgray 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: whitesmoke">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Total</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0</FONT></TD></TR>
  </TABLE>

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<P STYLE="font: 12pt Arial,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Financial
Position &#8211; Assets</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3.5pt Arial,sans-serif; margin: 0.05pt 0 0"><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: 13%; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 46%; padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; 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; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>12/31/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Total Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">50,921,444</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">50,418,636</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Current Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,661,267</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,440,838</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">249,932</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">396,401</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Financial Investments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,698,856</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,411,146</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.02.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Financial Investments Valued at Amortized Cost</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,698,856</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,411,146</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Accounts Receivable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,415,336</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,372,083</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.03.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Trade Receivables</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,249,036</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,204,029</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.03.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Receivables</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">166,300</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">168,054</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.03.02.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Related-Party Balances</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">166,300</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">168,054</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Inventories</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">108,866</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">104,848</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.06</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Recoverable Taxes</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">43,571</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">22,672</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.06.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Current Recoverable Taxes</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">43,571</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">22,672</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.08</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Current Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">144,706</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">133,688</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.08.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Others</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">144,706</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">133,688</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.08.03.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Restricted Cash</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">27,950</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">35,742</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.01.08.03.20</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">116,756</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">97,946</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Noncurrent Asset</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">45,260,177</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">43,977,798</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Long-Term Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9,281,660</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9,194,281</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Accounts Receivable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">279,028</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">246,957</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.04.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Trade Receivables</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">279,028</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">246,957</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.09</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Receivables from Related Parties</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">635,385</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">638,591</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.09.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Receivables from Controlling Shareholders</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">635,385</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">638,591</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.10</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Noncurrent Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,367,247</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,308,733</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.10.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Escrow Deposits</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">146,518</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">164,942</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.10.05</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Water National Agency &#8211; ANA</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">23,904</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">26,463</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.10.06</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Contract Asset </FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,043,865</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7,969,164</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.01.10.20</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">152,960</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">148,164</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Investments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">121,882</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">109,691</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.02.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equity Interest</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">75,632</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">63,417</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.02.01.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equity Interest in Jointly-Owned Subsidiaries</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">69,533</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">57,318</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.02.01.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Investments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,099</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,099</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.02.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Investment Properties</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">46,250</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">46,274</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Property, Plant and Equipment</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">267,469</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">268,251</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Intangible Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">35,589,166</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">34,405,575</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.04.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Intangible Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">35,589,166</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">34,405,575</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.04.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Concession Contracts</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,186,331</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,218,440</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.04.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Program Contracts</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">17,915,779</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">17,731,230</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.04.01.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Service Contracts</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">15,829,277</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">14,872,604</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.04.01.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Software License of Use</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">552,088</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">540,625</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.02.04.01.05</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Right of Use</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">105,691</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">42,676</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Financial
Position &#8211; Liabilities</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3.5pt Arial,sans-serif; margin: 0.05pt 0 0"><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: 13%; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 46%; padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; 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; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>12/31/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Total Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">50,921,444</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">50,418,636</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Current Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,932,223</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,900,130</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Labor Liabilities and Pension Plan Obligations</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">418,131</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">410,943</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">29,854</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">48,198</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Labor Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">388,277</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">362,745</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Trade Payables</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">225,901</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">263,741</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.02.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">National Suppliers</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">225,901</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">263,741</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Tax Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">258,069</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">266,819</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.03.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Federal Tax Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">254,599</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">258,902</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.03.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Income Tax and Social Contribution Payable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">75,125</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">69,041</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.03.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Pis-Pasep and Cofins Payable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">101,102</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">93,601</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.03.01.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">INSS (Social Security Contribution) Payable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">38,690</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">37,599</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.03.01.20</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Federal Taxes</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">39,682</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">58,661</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.03.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Municipal Tax Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,470</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7,917</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,277,147</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,034,449</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.04.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,128,331</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,016,356</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.04.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">In Local Currency</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">799,979</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">656,712</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.04.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">In Foreign Currency</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">328,352</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">359,644</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.04.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,052,651</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,952,670</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.04.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Financing through Lease</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">96,165</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">65,423</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,027,183</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,163,969</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Payables to Related Parties</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">626</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">626</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.01.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Payables to Controlling Shareholders</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">626</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">626</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Others</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,026,557</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,163,343</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.02.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Dividends and Interest on Capital Payable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">500</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">231,611</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.02.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Services Payable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">496,535</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">453,750</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.02.05</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Refundable Amounts</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">40,395</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">40,514</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.02.06</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">140,983</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">162,541</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.02.07</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Public-Private Partnership (PPP)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">146,242</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">130,207</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.02.09</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Indemnities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,839</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,969</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.05.02.20</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">195,063</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">135,751</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">725,792</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">760,209</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Tax, Social Security, Labor and Civil Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">200,927</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">187,193</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Tax Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">27,076</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">26,281</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Social Security and Labor Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">93,810</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">88,475</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06.01.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Civil Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">80,041</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">72,437</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">524,865</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">573,016</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06.02.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions for Environmental Liabilities and Decommissioning</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">18,398</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">26,299</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06.02.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions for Customers</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">145,105</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">140,093</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.01.06.02.05</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions for Suppliers</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">361,362</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">406,624</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Noncurrent Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">20,951,983</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">21,724,802</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">13,211,481</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">14,224,175</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,530,016</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9,136,552</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.01.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">In Local Currency</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,762,150</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,948,334</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.01.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">In Foreign Currency</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,767,866</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,188,218</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,243,085</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,678,427</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 5 -->
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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Financial
Position &#8211; Liabilities</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3.5pt Arial,sans-serif; margin: 0.05pt 0 0"><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: 13%; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 46%; padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; 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; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>12/31/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.01.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Financing through Lease</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">438,380</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">409,196</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,900,604</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,687,818</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Others</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,900,604</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,687,818</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02.02.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,858,777</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,868,594</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02.02.05</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">42,029</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">68,939</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02.02.06</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Public-Private Partnership (PPP)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,966,051</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,045,066</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02.02.07</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Indemnities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">26,581</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">27,765</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02.02.08</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Labor Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,806</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,007</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02.02.09</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">152,600</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">149,444</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.02.02.20</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">852,760</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">527,003</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Deferred Taxes</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">291,750</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">320,716</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.03.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Deferred Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">291,750</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">320,716</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.03.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Deferred Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">291,750</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">320,716</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">548,148</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">492,093</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Tax, Social Security, Labor and Civil Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">278,679</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">255,030</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04.01.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Tax Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">27,269</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">30,987</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04.01.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Social Security and Labor Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">244,974</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">212,902</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04.01.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Civil Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,436</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11,141</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04.02</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">269,469</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">237,063</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04.02.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions for Environmental Liabilities and Decommissioning</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">262,897</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">223,252</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04.02.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions for Customers</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,975</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">10,059</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.02.04.02.05</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions for Suppliers</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">597</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,752</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.03</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equity</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">24,037,238</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">22,793,704</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.03.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Paid-Up Capital</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">15,000,000</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">15,000,000</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.03.04</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Profit Reserves</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,168,330</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,194,706</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.03.04.01</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Legal Reserve</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,417,072</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,417,072</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.03.04.08</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Additional Dividend Proposed</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">26,376</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.03.04.10</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Reserve for Investments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,751,258</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,751,258</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.03.05</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Retained Earnings/Accumulated Losses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.03.06</FONT></TD>
    <TD STYLE="padding-left: 2.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equity Valuation Adjustments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-401,002</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-401,002</FONT></TD></TR>
  </TABLE>

<!-- 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->4<!-- Field: /Sequence --> of 88&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 12pt Arial,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Income Statement</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3pt Arial,sans-serif; margin: 0.55pt 0 0"><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: 10%; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 32%; padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 18%; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 14%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>YTD Current </B></FONT></TD>
    <TD STYLE="width: 13%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Same Quarter</B></FONT></TD>
    <TD STYLE="width: 13%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>YTD Previous</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Year</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Previous Year</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4/01/2021 to 6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1/01/2021 to 6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4/01/2020 to 6/30/2020</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1/01/2020 to 6/30/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Revenue from Sales and/or Services</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">4,595,919</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">9,273,336</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">4,432,546</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">8,474,896</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Cost of Sales and/or Services</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-3,063,427</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-6,111,470</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-2,818,900</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-5,240,912</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.02.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Cost of Sales and/or Services</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-2,063,521</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-4,111,266</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-1,822,224</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-3,735,471</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.02.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Construction Costs</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-999,906</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-2,000,204</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-996,676</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-1,505,441</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.03</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Gross Profit</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,532,492</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3,161,866</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,613,646</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3,233,984</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Operating Income/Expenses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-633,274</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-1,157,663</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-421,087</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-1,038,397</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Selling Expenses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-343,762</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-659,607</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-308,700</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-648,159</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.01.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Selling Expenses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-199,661</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-394,455</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-191,523</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-373,493</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.01.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Allowance for Doubtful Accounts</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-144,101</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-265,152</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-117,177</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-274,666</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">General and Administrative Expenses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-292,774</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-520,049</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-224,976</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-509,155</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.04</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Other Operating Income</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">11,954</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">19,750</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">30,616</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">40,655</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.04.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Other Operating Income</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">15,734</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">27,935</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">33,803</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">44,859</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.04.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-3,780</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-8,185</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-3,187</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-4,204</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.05</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Other Operating Expenses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-12,853</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-9,972</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">79,068</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">71,782</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.04.06</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Equity Pickup</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">4,161</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">12,215</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,905</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">6,480</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.05</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Income before Financial Result and Taxes</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">899,218</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,004,203</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,192,559</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,195,587</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.06</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Financial Result</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">248,813</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-105,557</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-675,468</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-2,655,753</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.06.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Financial Income</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">93,551</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">205,009</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">69,568</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">169,724</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.06.01.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Financial Income</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">99,009</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">215,434</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">72,763</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">176,572</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.06.01.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Exchange Gains</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-854</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-407</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">404</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,628</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.06.01.03</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-4,604</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-10,018</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-3,599</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-8,476</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.06.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Financial Expenses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">155,262</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-310,566</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-745,036</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-2,825,477</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.06.02.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Financial Expenses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-287,054</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-615,303</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-242,998</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-526,903</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.06.02.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Exchange Losses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">442,316</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">304,737</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-502,038</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-2,298,574</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.07</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Earnings before Income Taxes</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,148,031</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,898,646</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">517,091</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-460,166</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.08</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-374,979</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-628,736</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-138,931</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">180,380</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.08.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Current</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-374,219</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-657,702</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-107,351</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">125,373</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.08.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Deferred</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-760</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">28,966</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-31,580</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">55,007</FONT></TD></TR>
  </TABLE>

<!-- 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->5<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Income Statement</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3pt Arial,sans-serif; margin: 0.55pt 0 0"><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: 10%; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 30%; padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 19%; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="width: 14%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>YTD Current</B></FONT></TD>
    <TD STYLE="width: 14%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Same Quarter</B></FONT></TD>
    <TD STYLE="width: 13%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>YTD Previous</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Year </B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Previous Year</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4/01/2021 to 6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1/01/2021 to 6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4/01/2020 to 6/30/2020</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1/01/2020 to 6/30/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.09</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Net Result from Continued Operations</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">773,052</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">378,160</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-279,786</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.11</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Profit/Loss for the Period</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">773,052</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">378,160</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-279,786</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.99</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Earnings per Share - (Reais/Share)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.99.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Basic Earnings per Share</FONT></TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.99.01.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Common</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.13100</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.85793</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0.55326</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-0.40934</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.99.02</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Diluted Earnings per Share</FONT></TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.99.02.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Common</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.13100</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.85793</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0.55326</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-0.40934</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 8 -->
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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Comprehensive
Income</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3pt Arial,sans-serif; margin: 0.55pt 0 0"><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: 7%; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 30%; padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 22%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 14%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>YTD Current</B></FONT></TD>
    <TD STYLE="width: 14%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Same Quarter</B></FONT></TD>
    <TD STYLE="width: 13%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>YTD Previous</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4/01/2021 to 6/30/2021</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Year 1/01/2021 to</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Previous Year</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4/01/2020 to 6/30/2020</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1/01/2020 to 6/30/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">4.01</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Net Income (Loss) for the Period</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">773,052</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">378,160</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-279,786</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">4.03</FONT></TD>
    <TD STYLE="padding-left: 8.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Comprehensive Income (Loss) for the Period</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">773,052</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">378,160</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-279,786</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Cash Flow
- Indirect Method</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3.5pt Arial,sans-serif; margin: 0.05pt 0 0"><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: 11%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 2pt"><B>Code</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 0 0 0 2pt; text-indent: 0.25in">&nbsp;</P></TD>
    <TD STYLE="width: 49%; padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 6.65pt 0 0; text-align: right"><B>YTD Current </B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 6.65pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 1.7pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 1.7pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1/01/2021 to 6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1/01/2020 to 6/30/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Net Cash from Operating Activities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,973,029</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,874,261</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Cash from Operations</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,618,620</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,186,034</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Profit before Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,898,646</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-460,166</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provision and Inflation Adjustments on Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">111,294</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">122,039</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.04</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Finance Charges from Customers</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-175,324</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-438,406</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.05</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Residual Value of Property, Plant and Equipment, Intangible Assets and Investment Properties Written-off</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,961</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,757</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.06</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Depreciation and Amortization</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,095,106</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">982,115</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.07</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Interest on Borrowings and Financing Payable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">290,429</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">285,680</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.08</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Monetary and Exchange Variations on Borrowings and Financing</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-209,361</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,307,083</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.09</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Interest and Monetary Variation Losses</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">18,805</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">13,118</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.10</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Interest and Monetary Variation Gains</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-51,190</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-12,335</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.11</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Allowance for Doubtful Accounts</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">265,152</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">274,666</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.12</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provision for Consent Decree (TAC) and Knowledge Retention Program (PRC)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,214</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,744</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.13</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equity Pickup</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-12,215</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-6,480</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.14</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Interest and Inflation Adjustment PPP</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">225,623</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">200,749</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.15</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Others Adjustments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-19,510</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-3,263</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.16</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Transfer of Funds to the S&atilde;o Paulo Municipal Government</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">128,265</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">114,473</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.17</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Construction Margin over Intangible Assets Resulting from Concession Agreements</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-46,005</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-35,579</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.18</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">90,730</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">115,613</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.01.19</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Agreement with the Municipality of Mau&aacute;</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-280,774</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Changes in Assets and Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-658,909</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">56,283</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Trade Receivables</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-167,184</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">314,234</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Related-Party Balances and Transactions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">25,505</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">50,217</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Inventories</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-4,018</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-14,291</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.04</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Recoverable Taxes</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-678,601</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-29,017</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.05</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,763</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-76,931</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.06</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Escrow Deposits</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">30,732</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">13,164</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.08</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Trade Payables</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-242,244</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-169,547</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.09</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Salaries, Payroll Charges and Social Contributions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,974</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-14,231</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.10</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-100,547</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-103,447</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.11</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Taxes and Contributions Payable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">665,664</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">249,381</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.12</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Services Payable</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-85,480</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-8,412</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.13</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Liabilities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-24,973</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-1,980</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.14</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-89,656</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-153,071</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.02.15</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,156</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">214</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Others</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-986,682</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-368,056</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.03.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Interest Paid</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-312,268</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-368,056</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.01.03.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Income Tax and Social Contribution Paid</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-674,414</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Net Cash from Investing Activities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-746,901</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-1,278,629</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.02.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Acquisition of Contract Asset and Intangible Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-1,472,725</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-1,255,386</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.02.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Acquisition of Property, Plant and Equipment</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-12,873</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-20,666</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.02.04</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Restricted Cash</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7,792</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-2,577</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Cash Flow
- Indirect Method</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3.5pt Arial,sans-serif; margin: 0.05pt 0 0"><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: 10%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 2pt"><B>Code</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 0 0 0 2pt; text-indent: 0.25in">&nbsp;</P></TD>
    <TD STYLE="width: 43%; padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 26%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 6.7pt 0 0; text-align: right"><B>YTD Current </B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 6.7pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 21%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 1.8pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 1.8pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1/01/2021 to 6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1/01/2020 to 6/30/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.02.07</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Financial Investments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">730,905</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Net Cash from Financing Activities</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-1,372,597</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-482,437</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.03.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Funding</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">141,922</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,718,412</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.03.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Amortization</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-915,804</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-968,179</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.03.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Payment of Interest on Capital</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-254,218</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-890,051</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.03.04</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Public-Private Partnership (PPP)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-288,603</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-229,574</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.03.05</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-55,894</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-113,045</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.05</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Increase (Decrease) in Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-146,469</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,113,195</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.05.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Opening Balance of Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">396,401</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,253,210</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.05.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Closing Balance of Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">249,932</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3,366,405</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Changes
in Equity / 1/01/2021 to 6/30/2021</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3pt Arial,sans-serif; margin: 0.45pt 0 0"><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: 5%; border-bottom: black 1pt solid; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%; border-bottom: black 1pt solid; padding-left: 61.05pt; font-family: Georgia,serif; text-indent: -2.75pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Paid-Up Capital</B></FONT></TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding-left: 9.85pt; font-family: Georgia,serif; text-align: justify; text-indent: 4.25pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Capital Reserves, Options Granted and Treasury Shares</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Profit Reserves</B></FONT></TD>
    <TD STYLE="width: 19%; border-bottom: black 1pt solid">
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.65pt 0 0; text-align: right"><B>Retained Earnings/Accumulated</B></P>
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.65pt 0 0; text-align: right"><B>Losses</B></P></TD>
    <TD STYLE="width: 14%; border-bottom: black 1pt solid">
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.05pt 0 0; text-align: right"><B>Other Comprehensive</B></P>
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.05pt 0 0; text-align: right"><B>Income</B></P></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Equity</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.01</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Opening Balances</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">8,194,706</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-401,002</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">22,793,704</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.03</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Restated Opening Balances</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">8,194,706</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-401,002</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">22,793,704</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.04</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Capital Transactions with Partners</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-26,376</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-26,376</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.04.08</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Additional Dividends Approved</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-26,376</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-26,376</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.05</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Total Comprehensive Income</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">1,269,910</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.05.01</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Net Income (Loss) for the Period</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">1,269,910</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.07</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Closing Balances</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">8,168,330</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-401,002</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">24,037,238</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 12 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><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 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 7.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Changes
in Equity / 1/01/2020 to 6/30/2020</B></P>

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

<P STYLE="font: bold 12pt Arial,sans-serif; margin: 0 0 0 7.3pt">(R$ thousand)</P>

<P STYLE="font: 3pt Arial,sans-serif; margin: 0.45pt 0 0"><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: 5%; border-bottom: black 1pt solid; padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%; border-bottom: black 1pt solid; padding-left: 61.05pt; font-family: Georgia,serif; text-indent: -2.75pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Paid-Up Capital</B></FONT></TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding-left: 9.85pt; font-family: Georgia,serif; text-align: justify; text-indent: 4.25pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Capital Reserves, Options Granted and Treasury Shares</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Profit Reserves</B></FONT></TD>
    <TD STYLE="width: 19%; border-bottom: black 1pt solid">
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.65pt 0 0; text-align: right"><B>Retained Earnings/Accumulated</B></P>
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.65pt 0 0; text-align: right"><B>Losses</B></P></TD>
    <TD STYLE="width: 14%; border-bottom: black 1pt solid">
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.05pt 0 0; text-align: right"><B>Other Comprehensive</B></P>
    <P STYLE="font: 7pt Arial,sans-serif; margin: 0 14.05pt 0 0; text-align: right"><B>Income</B></P></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 7pt"><B>Equity</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.01</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Opening Balances</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">7,547,954</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-912,171</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">21,635,783</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.03</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Restated Opening Balances</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">7,547,954</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-912,171</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">21,635,783</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.04</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Capital Transactions with Partners</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-80,973</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-80,973</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.04.08</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Additional Dividends Approved</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-80,973</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-80,973</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.05</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Total Comprehensive Income</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-279,786</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-279,786</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.05.01</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Net Income (Loss) for the Period</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-279,786</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-279,786</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">5.07</FONT></TD>
    <TD STYLE="padding-left: 6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">Closing Balances</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">15,000,000</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">0</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">7,466,981</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-279,786</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">-912,171</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 7pt">21,275,024</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 13 -->
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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 4.1pt 0 0 29.3pt"><B>Parent Company&#8217;s Financial Statements / Statement of Added Value</B></P>

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

<P STYLE="font: 12pt Arial,sans-serif; margin: 0 0 0 29.3pt"><B>(R$ thousand)</B></P>

<P STYLE="font: 3.5pt Arial,sans-serif; margin: 0.05pt 0 0"><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: 12%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 0 0 2pt"><B>Code</B></P>
    <P STYLE="font: 11pt Georgia,serif; margin: 0 0 0 2pt; text-indent: 0.25in">&nbsp;</P></TD>
    <TD STYLE="width: 45%; padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 23%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 6.7pt 0 0; text-align: right"><B>YTD Current </B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 6.7pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 1.8pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 9pt Arial,sans-serif; margin: 0 1.8pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1/01/2021 to 6/30/2021</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1/01/2020 to 6/30/2020</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Revenue</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9,627,425</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,777,703</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.01.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Goods, Products and Services Sold</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7,818,433</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7,466,490</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.01.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Revenue</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">27,935</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">44,859</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.01.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Revenue from Construction of Own Assets</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,046,209</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,541,020</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.01.04</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Allowance for/Reversal of Doubtful Accounts</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-265,152</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-274,666</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Inputs Acquired from Third Parties</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-4,335,152</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-3,551,164</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.02.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Costs of Goods, Products and Services Sold</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-3,742,958</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-3,083,956</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.02.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Materials, Electricity, Outsourced Services and Others</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-582,222</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-538,990</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.02.04</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Others</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-9,972</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">71,782</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Gross Value Added</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,292,273</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5,226,539</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.04</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Retentions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-1,095,106</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-982,115</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.04.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Depreciation, Amortization and Depletion</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-1,095,106</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-982,115</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.05</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Net Added Value Produced</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,197,167</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,244,424</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.06</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Wealth Received in Transfer</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">227,242</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">184,680</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.06.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equity Pickup</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">12,215</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6,480</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.06.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Financial Income</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">215,027</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">178,200</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.07</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Total Value Added to Distribute</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,424,409</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,429,104</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Value Added Distribution</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,424,409</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4,429,104</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Personnel</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,167,600</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,211,122</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.01.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Salaries and Wages</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">832,169</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">858,114</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.01.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Benefits</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">272,709</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">288,725</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.01.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Government Severance Indemnity Fund for Employees (FGTS)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">62,722</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">64,283</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Taxes and Contributions</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,543,193</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">664,202</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.02.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Federal</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,425,880</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">564,074</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.02.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">State</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">85,725</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">73,562</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.02.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Municipal</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">31,588</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">26,566</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Value Distributed to Providers of Capital</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">443,706</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,833,566</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.03.01</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Interest</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">432,564</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2,825,476</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.03.02</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Rental</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11,142</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8,090</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.04</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Value Distributed to Shareholders</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-279,786</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.08.04.03</FONT></TD>
    <TD STYLE="padding-left: 7.75pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Retained Earnings/Accumulated Losses for the Period</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,269,910</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-279,786</FONT></TD></TR>
  </TABLE>

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<P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0">&nbsp;</P>

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<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">1.</TD><TD>Highlights</TD></TR></TABLE>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 13.1pt 26.7pt 0 55.65pt">The Company recorded a net income of R$ 773.1 million in 2Q21,
compared to the R$ 378.2 million reported in 2Q20, an increase of R$ 394.9 million (+104.4%).</P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 5.95pt 26.7pt 0 55.65pt">Adjusted EBITDA totaled R$ 1,453.2 million, a decrease of
R$ 128.2 million from the R$ 1,581.4 million reported in 2Q20 (-8.1%).</P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 5.95pt 0 0 55.65pt">The main factors were:</P>

<P STYLE="font: 11pt Arial MT,sans-serif; margin: 0.4pt 0 0">&nbsp;</P>

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<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Arial,sans-serif">(a)</FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif">Operations in the municipality of Mau&aacute;</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0 27.2pt 0 55.65pt; text-align: justify">In June 2020, the Company executed an agreement
with the municipality of Mau&aacute;, starting operations in November. The impact of the agreement on 2Q20 was R$ 195.0 million in the
revenue from sanitation services and a reversal of R$ 85.9 million in expenses, resulting in a negative variation of R$ 256.7 million
year-over-year in 2Q21, as shown in the following table:</P>

<P STYLE="font: 4pt Arial MT,sans-serif; margin: 0.3pt 0 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD COLSPAN="3" STYLE="border: black 1pt solid; padding-left: 115.95pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B><I>Impacts of Mau&aacute; (R$ million)</I></B></FONT></TD>
    <TD STYLE="text-align: center; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 17.35pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="width: 42%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; width: 21%; border-bottom: black 1pt solid; padding-left: 28.75pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; width: 19%; border-bottom: black 1pt solid; padding-left: 25.25pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; width: 18%; border-bottom: black 1pt solid; padding-left: 27.9pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>R$</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Revenue - Wholesale<SUP>(1)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">195.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(195.0)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Revenue - Retail<SUP>(2)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">24.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">24.2</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Total revenue from sanitation services</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>24.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>195.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(170.8)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(1.9)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(13.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">11.3</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Net Revenue</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>22.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>181.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(159.5)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Costs and expenses <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(11.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">85.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(97.2)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Total Costs and Expenses</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(11.3)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>85.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(97.2)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Net effect</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>11.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>267.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(256.7)</B></FONT></TD></TR>
  </TABLE>
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<TD STYLE="width: 58.95pt"></TD><TD STYLE="width: 18.05pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(1)</I></FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>Non-recurring revenue in 2Q20 from the formalization of the agreement.</I></FONT></TD></TR></TABLE>

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<TD STYLE="width: 58.95pt"></TD><TD STYLE="width: 18.05pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(2)</I></FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>Revenue referring to billing from retail operations.</I></FONT></TD></TR></TABLE>

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<TD STYLE="width: 58.95pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(3)</I></FONT></TD><TD STYLE="padding-right: 137.7pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>Costs and expenses related to the operation
(excludes indirect costs and expenses). Non-recurring reversal of estimated losses with asset compensation in 2Q20, due to the formalization
of the agreement.</I></FONT></TD></TR></TABLE>

<P STYLE="font: 8.5pt Arial,sans-serif; margin: 0.55pt 0 0"><I>&nbsp;</I></P>

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<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Arial,sans-serif">(b)</FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif">Effects of economic instability worsened by the COVID-19 pandemic</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0 27.1pt 0 55.65pt; text-align: justify">The economic instability, worsened by the
COVID-19 pandemic, led to a strong appreciation of the U.S. dollar and Yen against the Brazilian real in 2Q20, significantly affecting
the financial expenses on international borrowings and financing. In 2Q21, the revenue with exchange variations on borrowings and financing
totaled R$ 442.3 million, resulting in a positive variation of R$ 944.3 million over the R$ 502.0 million expense reported in 2Q20.</P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 5.95pt 27.25pt 0 55.65pt; text-align: justify">In addition, the delinquency level was
higher in 2Q21, increasing the allowance for doubtful accounts by R$ 26.9 million.</P>

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

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<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Arial,sans-serif">(c)</FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif">Reduction of foreign currency exposure</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0 26.7pt 0 55.65pt">On April 28, 2020, the Company completed the debt conversion with
the Inter-American Development Bank (IDB), from US$ 494.6 million to R$ 2,810.9 million, to reduce foreign currency exposure.</P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 6pt 26.7pt 0 55.65pt">On September 30, 2020, the early amortization of the Eurobonds
maturing in December 2020, of R$ 1,910.1 million<BR>
(US$ 350.0 million) was carried out.</P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 5.95pt 26.7pt 0 55.65pt">The dollar-denominated debt fell by 68.9%, from US$ 515.4
million on June 30, 2020 to US$ 160.4 million on June 30, 2021, mainly as a result of the above-mentioned actions.</P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 5.95pt 26.7pt 0 55.65pt">Debt denominated in foreign currency accounted for 18.8% in
June 2021 (34.4% in June 2020).</P>


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<P STYLE="font: 9.5pt Georgia,serif; margin: 0.2pt 0 0">&nbsp;</P>

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<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Arial,sans-serif">(d)</FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif">Agreement with Companhia de Saneamento de Alagoas (CASAL) in 2Q20</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt Arial,sans-serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0.05pt 26.7pt 0 55.7pt">In 2Q20, the Company executed an agreement with CASAL. The
effects of the agreement had a positive impact of<BR>
R$ 33.1 million on the 2Q20 result.</P>

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

<P STYLE="font: 11pt Arial MT,sans-serif; margin: 0.15pt 0 0">&nbsp;</P>

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<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">2.</TD><TD>Financial Highlights</TD></TR></TABLE>

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

<P STYLE="font: 12.5pt Arial,sans-serif; margin: 0.15pt 0 0"><B>&nbsp;</B></P>

<P STYLE="text-align: right; font: 8pt Arial,sans-serif; margin: 0 0 0 37.65pt"><B><I>R$ million</I></B></P>

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    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 26.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Var.</B></FONT></TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 22.8pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="width: 30%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 17pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 16.95pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 17.3pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 0.4pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>%</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 16.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1H21</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 16.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1H20</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 17.05pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 0.35pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Revenue from sanitation services</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3,881.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3,662.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">218.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">6.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">7,818.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">7,466.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">351.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">4.7</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Construction revenue</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,022.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,019.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,046.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,541.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">505.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">32.8</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.6pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">COFINS and PASEP/TRCF taxes</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(308.2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(249.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(58.5)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">23.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(591.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(532.6)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(58.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">11.0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Net operating revenue</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4,595.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4,432.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>163.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>3.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>9,273.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>8,474.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>798.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>9.4</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Costs and expenses</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(2,700.1)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(2,355.9)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(344.2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">14.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(5,290.9)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(4,892.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(398.1)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">8.1</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Construction costs</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(999.9)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(996.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(3.2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(2,000.2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(1,505.4)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(494.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">32.9</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Equity pickup</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">4.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">40.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">12.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">6.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">5.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">87.7</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Other operating revenues (expenses), net</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(0.9)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">109.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(110.6)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(100.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">9.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">112.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(102.6)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(91.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Earnings before financial result, income tax and social contribution</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>899.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,192.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(293.4)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(24.6)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,004.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,195.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(191.4)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(8.7)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Financial result</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">248.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(675.5)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">924.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(136.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(105.6)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(2,655.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,550.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(96.0)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Earnings before income tax and social contribution</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,148.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>517.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>630.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>122.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,898.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(460.2)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,358.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(512.6)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(374.9)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(138.9)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(236.0)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">169.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(628.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">180.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(809.1)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(448.5)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Net income/(loss)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>773.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>378.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>394.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>104.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,269.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(279.8)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,549.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(553.9)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Earnings (loss) per share (R$)*</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.13</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0.55</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.86</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(0.41)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 4pt Arial,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 7pt Arial,sans-serif; margin: 4.8pt 0 0 55.7pt"><I>(*) Number of shares = 683,509,869</I></P>

<P STYLE="font: 5.5pt Arial,sans-serif; margin: 0.4pt 0 0"><I>&nbsp;</I></P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 4.7pt 0 0 34.45pt; color: navy">Adjusted EBITDA Reconciliation (Non-accounting measures)</P>

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

<P STYLE="font: 8.5pt Arial,sans-serif; margin: 0.3pt 0 0"><B>&nbsp;</B></P>

<P STYLE="text-align: right; font: 8pt Arial,sans-serif; margin: 0.05pt 0 0 34.45pt"><B><I>R$ million</I></B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="border: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 26.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Var.</B></FONT></TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 22.8pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="width: 28%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 17pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 16.95pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 17.3pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 0.4pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>%</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 16.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1H21</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 16.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1H20</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 17.05pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 0.35pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Net income (loss)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">773.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">378.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">394.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">104.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,269.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(279.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,549.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(553.9)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">374.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">138.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">236.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">169.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">628.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(180.4)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">809.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(448.5)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Financial result</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(248.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">675.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(924.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(136.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">105.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,655.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(2,550.2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(96.0)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Other operating revenues (expenses), net</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(109.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">110.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(100.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(9.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(112.4)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">102.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(91.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Adjusted EBIT*</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>900.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,082.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(182.8)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(16.9)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,994.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,083.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(88.8)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(4.3)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">553.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">498.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">54.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">11.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,095.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">982.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">113.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">11.5</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(=) Adjusted EBITDA**</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,453.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,581.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(128.2)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>(8.1)</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>3,089.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>3,065.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>24.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>0.8</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 14.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(%) Adjusted EBITDA margin</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">31.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">35.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">33.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">36.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 7.5pt Arial,sans-serif; margin: 0.05pt 0 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 7pt Arial,sans-serif; margin: 4.8pt 100.7pt 0 62.75pt; text-indent: -7.1pt"><I>* Adjusted EBIT corresponds to net income
before: (i) other operating revenues (expenses), net; (ii) financial result; and (iii) income tax and social contribution.</I></P>

<P STYLE="font: 7pt Arial,sans-serif; margin: 0 100.7pt 0 62.75pt; text-indent: -7.1pt"><I>** Adjusted EBITDA corresponds to net income
before: (i) other operating revenues (expenses), net; (ii) financial result; (iii) income tax and social contribution; and (iv) depreciation
and amortization expenses.</I></P>

<P STYLE="font: 10.5pt Arial,sans-serif; margin: 0.3pt 0 0"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 26.7pt 0 55.65pt">The net operating revenue, which considers construction revenue,
totaled R$ 4,595.9 million in 2Q21, up by 3.7% over 2Q20.</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6.1pt 26.7pt 0 55.65pt">Costs and expenses, which consider construction costs, totaled
R$ 3,700.0 million, up by 10.4% over 2Q20.</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6.05pt 26.7pt 0 55.65pt">Adjusted EBIT, of R$ 900.1 million, fell by 16.9% from the
R$ 1,082.9 million recorded in 2Q20.</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6.1pt 26.7pt 0 55.65pt">Adjusted EBITDA, of R$ 1,453.2 million, fell by 8.1% from the
R$ 1,581.4 million recorded in 2Q20 (R$ 6,446.1 million in the last 12 months).</P>


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<P STYLE="font: 9.5pt Georgia,serif; margin: 0.2pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 4.7pt 0 0 55.7pt">Adjusted EBITDA margin reached 31.6% in 2Q21, compared to 35.7% in
2Q20 (34.7% in the last 12 months).</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6.5pt 27.1pt 0 55.65pt; text-align: justify">Excluding the effects of revenue and construction
costs, the adjusted EBITDA margin reached 40.0% in 2Q21, compared to 45.7% in 2Q20 (44.2% in the last 12 months).</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6.05pt 0 0 55.65pt">The Company recorded a net income of R$ 773.1 million in 2Q21, compared
to R$ 378.2 million in 2Q20.</P>

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

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0.5pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 0; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">3.</TD><TD>Revenue from sanitation services</TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 12.4pt 27.1pt 0 55.65pt; text-align: justify">The gross operating revenue from sanitation
services, which excludes construction revenue, totaled R$ 3,881.2 million in 2Q21, an increase of R$ 218.6 million, or 6.0%, over the
R$ 3,662.6 million recorded in 2Q20.</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6.15pt 0 0 55.65pt">The main factors that led to this increase were:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 55.7pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Average tariff adjustment of 7.0% since May 2021, with an impact of
approximately 1.7%;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.95pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 55.7pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Tariff adjustment of 3.4% since August 2020;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.9pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 55.7pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Increase of 1.6% in total billed volume; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.95pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 55.75pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="padding-right: 27.15pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Increase of R$ 62.8 million in revenue
from customers in the &#8220;Residential Social&#8221; and &#8220;Residential Favela&#8221; categories, due to the exemption from payment
to these categories in 2Q20.</FONT></TD></TR></TABLE>

<P STYLE="font: 15.5pt Arial MT,sans-serif; margin: 0.35pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0.05pt 27.1pt 0 55.65pt; text-align: justify">The above-mentioned effects were mitigated
by the R$ 170.8 million decrease from the non-recurring effects of the formalization of the agreement with the municipality of Mau&aacute;
on the 2Q20 revenue.</P>

<P STYLE="font: 15pt Arial MT,sans-serif; margin: 0.35pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 0; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">4.</TD><TD>Construction revenue</TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 11.95pt 27.05pt 0 55.7pt; text-align: justify">The construction revenue increased R$
3.3 million in 2Q21, or 0.3%, as investments remained in line with those of 2Q20.</P>


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<P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 4.55pt; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">5.</TD><TD>Billed volume</TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 12.45pt 27.1pt 0 55.7pt; text-align: justify">The following tables show the water and
sewage billed volume, on a quarter-on-quarter and year-over-year basis, per customer category and region. The Mau&aacute; volumes and
the exemption of the &#8220;Residential Social&#8221; and &#8220;Residential Favela&#8221; categories are presented individually.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8FA9DB">
    <TD COLSPAN="10" STYLE="border: black 1pt solid; padding-left: 86.5pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>WATER AND SEWAGE BILLED VOLUME<SUP>(1) </SUP>PER CUSTOMER CATEGORY - million m<SUP>3</SUP></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 62.1pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 58.05pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Sewage</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 35.3pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water + Sewage</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D9E1F2">
    <TD STYLE="width: 17%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Category</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 14.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 15.65pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 9.7pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 15.5pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 15.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 8.4pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 11.8pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="width: 8%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 15.4pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; border-right: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Residential</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">463.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">432.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">406.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">378.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">870.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">811.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.2</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Commercial</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">39.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">37.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">38.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">35.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">77.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">72.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.9</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Industrial</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">20.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">12.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">17.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">15.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">15.7</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Public</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">8.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(6.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(6.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">15.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">16.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(6.5)</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total retail</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>519.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>486.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>6.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>461.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>430.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>7.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>981.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>916.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>7.1</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Wholesale </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">12.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">12.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">16.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">16.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.3</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Subtotal</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>532.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>498.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>6.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>464.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>433.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>7.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>997.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>932.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>7.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Mau&aacute; </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(4)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; background-color: #F1F1F1; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(41.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(41.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Residential Social/Favela </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(5)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">25.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>-</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">19.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">45.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>537.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>533.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>0.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>464.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>452.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,002.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>986.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1.6</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 62.1pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 58.05pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Sewage</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 35.3pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water + Sewage</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D9E1F2">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Category</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 14.25pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 15.4pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 9.7pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 15.3pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 15.3pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 8.4pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 11.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 15.15pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Residential</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">936.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">884.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">817.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">769.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,754.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,653.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">6.1</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Commercial</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">81.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">82.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(1.6)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">77.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">78.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(2.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">158.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">161.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(1.9)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Industrial</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">16.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">15.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">17.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">18.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(2.2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">34.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">33.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3.3</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Public</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">17.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">19.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(11.9)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">15.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">17.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(12.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">32.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">36.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(12.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total retail</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,051.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,001.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>927.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>883.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,978.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,884.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Wholesale </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">25.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">24.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">33.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">32.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3.7</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Subtotal</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,077.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,025.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>935.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>891.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>4.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2,012.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,916.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Mau&aacute; </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(4)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">18.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(38.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; background-color: #F1F1F1; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>-</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">18.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(38.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Residential Social/Favela </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(5)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">28.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">21.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">49.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,088.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,072.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>935.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>912.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2,023.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,984.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8FA9DB">
    <TD COLSPAN="10" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 86.5pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>WATER AND SEWAGE BILLED VOLUME<SUP>(1)</SUP> PER REGION - million m<SUP>3</SUP></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 57.05pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 58.05pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Sewage</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 35.3pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water + Sewage</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D9E1F2">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Region</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Metropolitan</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">357.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">320.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">318.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">284.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">676.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">605.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11.7</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Regional </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">162.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">165.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(2.1)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">142.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">145.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(1.8)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">305.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">311.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(2.0)</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total retail</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>519.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>486.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>6.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>461.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>430.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>7.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>981.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>916.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>7.1</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Wholesale </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">12.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">12.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">16.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">16.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.3</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Subtotal</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>532.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>498.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>6.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>464.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>433.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>7.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>997.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>932.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>7.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Mau&aacute; </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(4)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(41.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>-</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">9.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(41.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Residential Social/Favela </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(5)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">25.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">19.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">45.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>537.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>533.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>0.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>464.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>452.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,002.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>986.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1.6</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 62.1pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 58.05pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Sewage</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 35.3pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water + Sewage</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D9E1F2">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Region</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 14.25pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 15.4pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 9.7pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 15.3pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 15.3pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 8.4pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 11.55pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H21</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 15.15pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1H20</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Var. %</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Metropolitan</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">711.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">663.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">629.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">587.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,341.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1,250.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.2</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Regional </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">340.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">337.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">297.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">296.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">637.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">634.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0.6</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total retail</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,051.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,001.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>927.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>883.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,978.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,884.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Wholesale </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">25.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">24.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">7.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">33.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">32.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">3.7</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Subtotal</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,077.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,025.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>935.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>891.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>4.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2,012.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,916.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>5.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Mau&aacute; </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(4)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">18.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(38.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; background-color: #F1F1F1; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">11.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">18.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(38.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Residential Social/Favela </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(5)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">28.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">21.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; background-color: #F1F1F1; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">49.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #F1F1F1">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,088.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,072.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>935.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>912.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2,023.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,984.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2.0</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Arial MT,sans-serif; margin: 0">&nbsp;</P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0.05pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 36.35pt"></TD><TD STYLE="width: 12.05pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(1)</I></FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>Not reviewed by external auditors</I></FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 34.4pt"></TD><TD STYLE="width: 12pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(2)</I></FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>Including coastal and interior regions</I></FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 34.4pt"></TD><TD STYLE="width: 12.05pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(3)</I></FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>Wholesale includes volumes of reuse water and non-domestic sewage</I></FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 34.4pt"></TD><TD STYLE="width: 12pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(4)</I></FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>Billed volume in the retail segment in 2Q21/1H21 and the wholesale
segment in 2Q20/1H20</I></FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 34.4pt"></TD><TD STYLE="width: 12pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(5)</I></FONT></TD><TD><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>Volume exempt of payment in 2Q20/1H20</I></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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: 9.5pt Georgia,serif; margin: 0.45pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 4.55pt; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">6.</TD><TD>Costs, administrative &amp; selling expenses and construction costs</TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 12.45pt 34.05pt 0 55.7pt; text-align: justify">Costs, administrative and selling expenses
and construction costs increased R$ 347.4 million in 2Q21 (+10.4%). Excluding construction costs, the increase was R$ 344.2 million (+14.6%).
Costs, administrative and selling expenses and construction costs as a percentage of net revenue were 80.5% in 2Q21, compared to 75.6%
in 2Q20.</P>

<P STYLE="font: 8.5pt Arial MT,sans-serif; margin: 0.15pt 0 0">&nbsp;</P>

<P STYLE="font: 8pt Arial,sans-serif; margin: 0 11.7pt 0.15pt 0; text-align: right"><B><I>R$ million</I></B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="border: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 26.7pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Var.</B></FONT></TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 24.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="width: 34%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="width: 8%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 12.1pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="width: 8%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 12.1pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 16.1pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 0.75pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>%</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 14.85pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1H21</B></FONT></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 14.95pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1H20</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 16.15pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>R$</B></FONT></TD>
    <TD STYLE="width: 6%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 0.9pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Salaries and payroll charges and Pension plan obligations</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">678.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">658.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">20.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,299.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,336.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(36.3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(2.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">General supplies</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">78.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">57.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">20.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">35.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">146.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">123.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">23.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">18.8</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Treatment supplies</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">82.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">81.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">181.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">175.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">6.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.6</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Services</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">480.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">442.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">38.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">8.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">984.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">866.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">118.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">13.6</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Electricity</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">340.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">278.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">62.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">22.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">699.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">605.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">94.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">15.6</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">General expenses</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">325.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">204.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">121.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">59.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">584.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">496.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">87.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">17.6</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Tax expenses</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">17.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">18.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(0.5)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(2.7)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">35.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">33.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.9</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Subtotal</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,002.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,740.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>262.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>15.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>3,930.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>3,636.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>294.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>8.1</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">553.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">498.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">54.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">11.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,095.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">982.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">113.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">11.5</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">144.1</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">117.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">26.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">23.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">265.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">274.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(9.5)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">(3.5)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Subtotal</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>697.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>615.7</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>81.5</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>13.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,360.3</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,256.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">103.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>8.2</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Costs, administrative and selling expenses</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,700.1</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,355.9</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>344.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>14.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>5,291.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>4,892.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>398.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>8.1</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Construction costs</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">999.9</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">996.7</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,000.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,505.4</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">494.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">32.9</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>Costs, adm &amp; selling expenses and construction costs</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>3,700.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>3,352.6</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>347.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>10.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>7,291.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>6,398.2</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>893.0</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>14.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">% of net revenue</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">80.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">75.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">78.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">75.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 9pt Arial,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 7.5pt Arial,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 0 0 41.5pt; color: navy"><B>Salaries and payroll charges and Pension plan obligations</B></P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 0 0 41.5pt; text-align: justify">The R$ 20.0 million increase (+3.0%) recorded in
2Q21 was due to:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 34.05pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">R$ 16.9 million
in healthcare expenses, mainly because of lower demand for medical services in 2Q20, because of the social distancing measures adopted
as a way to control the COVID- 19 pandemic; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 34.05pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">R$ 11.5 million,
mainly from the 7.8% salary adjustment in May 2021, partially offset by the 8.8% decline in the number of employees dismissed from the
Knowledge Retention Program.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6.05pt 34.15pt 0 41.6pt; text-align: justify">The increases above were partially offset
by the R$ 12.7 million decrease in pension plans, due to changes in the actuarial assumptions.</P>

<P STYLE="font: 15pt Arial MT,sans-serif; margin: 0.35pt 0 0">&nbsp;</P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 0 0 0 41.5pt; color: navy">General supplies</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 34.15pt 0 41.6pt; text-align: justify">The R$ 20.5 million increase (+35.7%) mainly
resulted from: (i) R$ 11.1 million with maintenance of water and sewage connections and networks; and (ii) R$ 4.2 million with maintenance
of water and sewage systems.</P>

<P STYLE="font: 14.5pt Arial MT,sans-serif; margin: 0.45pt 0 0">&nbsp;</P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 0 0 0 41.5pt; color: navy">Services</P>

<P STYLE="font: 10.5pt Arial,sans-serif; margin: 0.35pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 26.7pt 0 41.5pt">Service expenses totaled R$ 480.2 million, an increase of R$ 38.2
million (+8.6%) over the R$ 442.0 million recorded in 2Q20. The main increases were:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">R$ 13.7 million in technical services, especially computer technical
support;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.95pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">R$ 12.4 million with maintenance of water and sewage systems;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.9pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">R$ 6.4 million with customer services; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.95pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">R$ 4.8 million with employees assigned by the municipalities of Mau&aacute;
and Guarulhos.</FONT></TD></TR></TABLE>


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    <!-- Field: /Page -->

<P STYLE="font: 9.5pt Georgia,serif; margin: 0.3pt 0 0">&nbsp;</P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 4.7pt 0 0 41.5pt; color: navy">Electricity</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0.05pt 34.15pt 0 41.5pt; text-align: justify">Electricity expenses totaled R$ 340.7
million in 2Q21, an increase of R$ 62.2 million (+22.3%) over the R$ 278.5 million recorded in 2Q20. The Free Market Tariffs (ACL) accounted
for 51.0% of total expenses in 2Q21 (48.9% in 2Q20) while the Regulated Market Tariffs (ACR) accounted for 49.0% (51.1% in 2Q20).</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6pt 0 0 41.5pt">The main factors that contributed to this variation were:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="padding-right: 34.1pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Average decrease of 2.2% in ACL prices
(includes Grid Market Tariffs - TUSD), with a 15.2% rise in consumption; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.65pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Average increase of 13.4% in ACR tariffs, with a 5.3% rise in consumption.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0.5pt 0 0">&nbsp;</P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 0 0 0 41.5pt; color: navy">General expenses</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 26.7pt 0 41.5pt">General expenses totaled R$ 325.7 million in 2Q21, an increase of
R$ 121.2 million (+59.3%) over the R$ 204.5 million recorded in 2Q20, mainly due to:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 6.05pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Higher expenses with lawsuits in 2Q21, of R$ 55.7 million;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.9pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="padding-right: 34.2pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Higher provision for transfer to the
Municipal Funds for Environmental Sanitation and Infrastructure, of R$ 26.0 million, resulting from an increase in revenue and in the
number of municipalities with future transfers; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.75pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="padding-right: 34.05pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Non-recurring reversal of provision,
of R$ 12.5 million in 2Q20, from the execution of the agreement with CASAL.</FONT></TD></TR></TABLE>

<P STYLE="font: 15.5pt Arial MT,sans-serif; margin: 0.4pt 0 0">&nbsp;</P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 0 0 0 41.6pt; color: navy">Depreciation and amortization</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 26.7pt 0 41.5pt">The R$ 54.6 million increase (+11.0%) was due to beginning of operations
of intangible assets, totaling R$ 4.4 billion.</P>

<P STYLE="font: 15pt Arial MT,sans-serif; margin: 0.3pt 0 0">&nbsp;</P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 0.05pt 0 0 41.5pt; color: navy">Allowance for doubtful accounts</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 26.7pt 0 41.5pt">Increase of R$ 26.9 million (+23.0%), due to the higher provisioning
resulting from the increase in the level of delinquency in 2Q21.</P>

<P STYLE="font: 15pt Arial MT,sans-serif; margin: 0.3pt 0 0">&nbsp;</P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 0 0 0 41.5pt; color: navy">Other operating income (expenses), net</P>

<P STYLE="font: 9.5pt Arial,sans-serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 34pt 0 41.5pt; text-align: justify">Other net operating income and expenses fell by
R$ 110.6 million, due to the following 2Q20 non-recurring effects: (i) reversal of estimated losses with indemnification of assets in
the municipality of Mau&aacute;, of R$ 85.9 million; and (ii) revenue of R$ 20.6 million, due to the execution of an agreement with &#8211;
CASAL.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 12.55pt; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">7.</TD><TD>Financial result</TD></TR></TABLE>

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

<P STYLE="font: 15.5pt Arial,sans-serif; margin: 0.2pt 0 0"><B>&nbsp;</B></P>

<P STYLE="text-align: right; font: 10pt Times New Roman,serif; margin: 0 0 0 37.65pt"><B><I>R$ million</I></B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center"><FONT STYLE="font: 10pt Arial,sans-serif"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif; text-align: right; width: 42%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 22%"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>2Q21&#9;</B></FONT></TD>
    <TD STYLE="text-align: center; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; width: 15%"><FONT STYLE="font: 10pt Arial,sans-serif"><B>2Q20</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 11%"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>R$</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 10%"><FONT STYLE="font: 10pt Arial,sans-serif"><B>%</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 3pt Times New Roman,serif; margin: 0.25pt 0 0"><B><I>&nbsp;</I></B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 42%; padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Financial expenses, net of income</FONT></TD>
    <TD STYLE="width: 22%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(134.9)</FONT></TD>
    <TD STYLE="width: 15%; padding-left: 18pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(173.0)</FONT></TD>
    <TD STYLE="width: 11%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">38.1</FONT></TD>
    <TD STYLE="width: 10%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(22.0)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Net monetary and exchange variation</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">383.7</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 17.95pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(502.5)</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">886.2</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(176.4)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.15pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>Financial Result</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>248.8</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 18pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(675.5)</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>924.3</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(136.8)</B></FONT></TD></TR>
  </TABLE>

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    <!-- Field: /Page -->

<P STYLE="font: 9.5pt Georgia,serif; margin: 0.3pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 4.7pt 0 0 41.5pt; color: navy"><B>Financial expenses, net of income</B></P>

<P STYLE="font: italic bold 10pt Times New Roman,serif; margin: 3.5pt 9.2pt 0 0; text-align: right">R$ million</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center"><FONT STYLE="font: 10pt Arial,sans-serif"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif; text-align: right; width: 56%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 12%"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>2Q21&#9;</B></FONT></TD>
    <TD STYLE="text-align: center; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; width: 13%"><FONT STYLE="font: 10pt Arial,sans-serif"><B>2Q20</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 11%"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>R$</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 8%"><FONT STYLE="font: 10pt Arial,sans-serif"><B>%</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Arial MT,sans-serif; margin: 3.4pt 0 0 9.55pt">Financial expenses</P>

<P STYLE="font: 3pt Arial MT,sans-serif; margin: 0.35pt 0 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 56%; padding-left: 12.5pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Interest and charges on domestic borrowings and financing</FONT></TD>
    <TD STYLE="width: 12%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(106.6)</FONT></TD>
    <TD STYLE="width: 13%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(89.3)</FONT></TD>
    <TD STYLE="width: 11%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(17.3)</FONT></TD>
    <TD STYLE="width: 8%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">19.4</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 12.5pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Interest and charges on international borrowings and financing</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(10.4)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(35.2)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">24.8</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(70.5)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 12.5pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Other financial expenses</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(74.8)</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(94.3)</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">19.5</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(20.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.15pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>Total financial expenses</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(191.8)</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(218.8)</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>27.0</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(12.3)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Financial income</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">56.9</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">45.8</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">11.1</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">24.2</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>Financial expenses, net of income</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(134.9)</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(173.0)</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>38.1</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(22.0)</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0.2pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 0 0 55.7pt">The main impacts in &#8220;financial expenses, net of income&#8221; result
from:</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0.05pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 34.05pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Increase of R$
17.3 million in interest and charges on domestic borrowings and financing, mainly due to a R$ 15.4 million increase in interest on debentures,
especially the proceeds of the 26th and 27th issues;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.5pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 34pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Decrease of R$ 24.8
million in interest and charges on international borrowings and financing, mostly due to the following events that occurred in 2020: (i)
amortization of Eurobonds, leading to a decrease of R$ 26.8 million; and (ii) debt exchange with IDB, from US$ 494.6 million to R$ 2,810.9
million, with an effect of R$ 4.4 million; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.55pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 34.15pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Decrease of R$
19.5 million in other financial expenses, mostly due to lower recognition of interest on lawsuits, of R$ 8.5 million, and on receivables
from the municipality of S&atilde;o Paulo, of R$ 6.1 million.</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0.55pt 0 0">&nbsp;</P>

<P STYLE="font: bold 10pt Arial,sans-serif; margin: 0 0 0 41.5pt; color: navy">Monetary and exchange variation, net</P>

<P STYLE="font: italic bold 10pt Times New Roman,serif; margin: 2.05pt 9.15pt 0 0; text-align: right">R$ million</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center"><FONT STYLE="font: 10pt Arial,sans-serif"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="border-bottom: Black 1pt solid; font-family: Georgia,serif; text-align: right; width: 50%">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 16%"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>2Q21&#9;</B></FONT></TD>
    <TD STYLE="text-align: center; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; width: 13%"><FONT STYLE="font: 10pt Arial,sans-serif"><B>2Q20</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 11%"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>R$</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center; width: 10%"><FONT STYLE="font: 10pt Arial,sans-serif"><B>%</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Arial MT,sans-serif; margin: 3.4pt 0 0 9.55pt">Monetary and exchange variation on liabilities</P>

<P STYLE="font: 3pt Arial MT,sans-serif; margin: 0.35pt 0 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-left: 12.5pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Monetary variation on borrowings and financing</FONT></TD>
    <TD STYLE="width: 16%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(43.0)</FONT></TD>
    <TD STYLE="width: 13%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">10.1</FONT></TD>
    <TD STYLE="width: 11%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(53.1)</FONT></TD>
    <TD STYLE="width: 10%; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(525.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 12.5pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Exchange variation on borrowings and financing</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">442.3</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(502.0)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">944.3</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(188.1)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 12.5pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Other monetary variations</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(52.2)</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(34.3)</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(17.9)</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">52.2</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.15pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>Total monetary and exchange variations on liabilities</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>347.1</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(526.2)</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>873.3</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(166.0)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Monetary and exchange variation on assets</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">36.6</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">23.7</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">12.9</FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">54.4</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>Monetary and exchange variation, net</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>383.7</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(502.5)</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>886.2</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>(176.4)</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0.2pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 34pt 0 41.5pt; text-align: justify">The effect of net monetary and exchange variations
totaled R$ 886.2 million in 2Q21, lower than the amounts reported in 2Q20, especially due to:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 6.05pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 34.1pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">R$ 53.1 million
increase in the monetary variation on borrowings and financing, mainly due to the proceeds of the 26th debenture issue and the increase
in the IPCA;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.7pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 34.05pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Decrease of R$
944.3 million in exchange variations on borrowings and financing, due to: (i) depreciation of the U.S. dollar and Yen against the Brazilian
real in 2Q21 (12.2% and 12.6%, respectively), compared to the 2Q20 appreciation (5.3% and 5.1%, respectively); (ii) debt exchange with
IDB in 2020, from US$ 494.6 million to R$ 2,810.9 million; and (iii) amortization of Eurobonds in 2020, of R$ 1,910.1 million (US$ 350.0
million);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.55pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.6pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="text-align: justify; padding-right: 34.2pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Increase of R$
17.9 million in other monetary variations, due to: (i) higher monetary variations on lawsuits, of R$ 10.9 million; and (ii) higher monetary
variation </FONT></TD></TR></TABLE>


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<P STYLE="font: 9.5pt Georgia,serif; margin: 0.2pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 4.7pt 26.7pt 0 55.65pt">on the agreement with Empresa Metropolitana de &Aacute;guas
e Energia (EMAE), of R$ 4.7 million, resulting from an increase in the IPCA; and</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.55pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.55pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="padding-right: 34.1pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Increase of R$ 12.9 million in monetary
and exchange variation gains, due to higher adjustments on agreements and escrow deposits, caused by the increase in the IPCA.</FONT></TD></TR></TABLE>

<P STYLE="font: 15pt Arial MT,sans-serif; margin: 0.5pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 0.05pt; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">8.</TD><TD>Income tax and social contribution</TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 11.95pt 26.7pt 0 55.7pt">In 2Q21, the R$ 236.0 million increase was due to higher taxable
income, highlighting:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.55pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 55.7pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Lower expenses with exchange variation, of R$ 944.3 million; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 5.9pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 55.75pt"></TD><TD STYLE="width: 14.1pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT></TD><TD STYLE="padding-right: 27.15pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Higher net operating revenue, excluding
the effect of the construction revenue, of R$ 160.1 million.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 6.2pt 26.7pt 0 55.7pt">The effects above mentioned were mitigated by higher costs and
expenses, especially general expenses (R$ 121.2 million), electricity (R$ 62.2 million), and depreciation and amortization (R$ 54.6 million).</P>

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

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0.05pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 0; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 37.65pt"></TD><TD STYLE="width: 18pt">9.</TD><TD>Indicators</TD></TR></TABLE>

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<TD STYLE="width: 41.45pt"></TD><TD STYLE="width: 18.1pt">a)</TD><TD>Operating</TD></TR></TABLE>

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0.55pt 0 0"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="width: 64%; border: black 1pt solid; padding-left: 48.8pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>Operating Indicators<SUP>(*)</SUP></B></FONT></TD>
    <TD STYLE="border-top: black 1pt solid; width: 13%; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="border-top: black 1pt solid; width: 13%; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>2Q20</B></FONT></TD>
    <TD STYLE="border-top: black 1pt solid; width: 10%; border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 10pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Water connections <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">10,174</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">10,022</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">1.5</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Sewage connections <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">8,608</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">8,426</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">2.2</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Population directly served - water <SUP>(2)</SUP></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">27.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">27.2</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">1.5</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Population directly served - sewage (2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">24.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">24.0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">2.1</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">Number of employees</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">12,667</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">13,792</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 10pt">(8.2)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 5.5pt Arial,sans-serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 5.05pt 0 0 85.25pt">(1) Total connections, active and inactive, in thousand units at
the end of the period. Excludes Mau&aacute;</P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 0.05pt 0 0 85.25pt"><SUP>(2)</SUP> In million inhabitants, at the end of the period.
Excludes wholesale supply and Mau&aacute;</P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 85.25pt"><SUP>(*)</SUP> Not reviewed by external auditors</P>

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

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

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<TD STYLE="width: 41.45pt"></TD><TD STYLE="width: 18.1pt">b)</TD><TD>Economic</TD></TR></TABLE>

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

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

<P STYLE="font: 7.5pt Arial,sans-serif; margin: 0.3pt 0 0"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: rgb(142,180,226)">
    <TD STYLE="width: 70%; border: black 1pt solid; padding-left: 42.9pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Economic Variables at the Close of the Quarter (*)</FONT></TD>
    <TD STYLE="text-align: center; width: 15%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 17.9pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q21</B></FONT></TD>
    <TD STYLE="text-align: center; width: 15%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 17.5pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>2Q20</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Amplified Consumer Price Index </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(1)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.68</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(0.43)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">National Consumer Price Index </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(1)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.95</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(0.18)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Consumer Price Index </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(1)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">1.67</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">(0.15)</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Interbank Deposit Certificate </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(2)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4.15</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">2.15</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">U.S. DOLLAR </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.0022</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">5.4760</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">YEN </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt">(3)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0.04505</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">0.05081</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 3.5pt Arial,sans-serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 5pt 0 0 82.5pt"><SUP>(1)</SUP> Accrued in the quarter (%)</P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 82.5pt"><SUP>(2)</SUP> Quarterly rate on the last day</P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 0.05pt 0 0 82.5pt"><SUP>(3)</SUP> Ptax sale rate on the last day</P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 82.5pt"><SUP>(*)</SUP> Not reviewed by external auditors</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: 9.5pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 4.55pt; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 34.35pt"></TD><TD STYLE="width: 28.4pt">10.</TD><TD>Borrowings and financing</TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 11.4pt 34.1pt 0 41.5pt; text-align: justify">To meet its capital needs, on July 16,
2021, the Company held the 28th debenture issue of R$ 1.2 billion maturing in July 2028, in three series: (i) the first, of R$ 127.8 million,
yielding CDI + 1.20% p.a., (ii) the second, of R$ 888.2 million, yielding CDI + 1.44% p.a., and (iii) the third, of R$ 184.0 million,
yielding CDI + 1.60% p.a.</P>

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0.4pt 0 0">&nbsp;</P>

<P STYLE="font: 8pt Calibri,sans-serif; margin: 0 31.2pt 0 0; text-align: right"><B><I>(R$
thousand)</I></B></P>

<P STYLE="font: 12.5pt Calibri,sans-serif; margin: 0.45pt 0 0"><B><I>&nbsp;</I></B></P>



<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top">
    <TD COLSPAN="10" STYLE="background-color: rgb(142,179,226)"><P STYLE="font: 8pt Arial,sans-serif; margin: 1.65pt 244.6pt 0; text-align: center"><B>DEBT PROFILE</B></P>
&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="background-color: rgb(142,179,226); width: 35%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 4.35pt 58.5pt 0 59.2pt; text-align: center"><B>INSTITUTION</B></P>
    <P STYLE="font: 7pt Calibri,sans-serif; margin: 0.6pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial,sans-serif; margin: 0 0 0 4.2pt"><B><I>Local currency</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 3.55pt 0 0 4.2pt">Debentures</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 7%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 4.35pt 2.5pt 0; text-align: center"><B>2021</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8.5pt Calibri,sans-serif; margin: 0.55pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 2.5pt; text-align: center">1,521,488</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 7%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 4.35pt 0 0 12.4pt"><B>2022</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8.5pt Calibri,sans-serif; margin: 0.55pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 10.15pt">588,241</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 7%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 4.35pt 0 0 12.4pt"><B>2023</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8.5pt Calibri,sans-serif; margin: 0.55pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 10.15pt">687,467</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 7%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 4.35pt 0 0 12.4pt"><B>2024</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8.5pt Calibri,sans-serif; margin: 0.55pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 10.15pt">925,030</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 7%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 4.35pt 0 0 12.4pt"><B>2025</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8.5pt Calibri,sans-serif; margin: 0.55pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 10.15pt">491,488</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 7%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 4.35pt 0 0 12.4pt"><B>2026</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8.5pt Calibri,sans-serif; margin: 0.55pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 10.15pt">383,807</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 9%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 0 12.85pt 0 4.8pt; text-indent: 1.4pt"><B>2027 onwards</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 6.1pt 0 0 7.4pt">1,698,215</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 9%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 4.35pt 0 0 10.25pt"><B>TOTAL</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8.5pt Calibri,sans-serif; margin: 0.55pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 0 0 12.8pt">6,295,736</P></TD>
    <TD STYLE="background-color: rgb(142,179,226); width: 5%">
    <P STYLE="font: 8pt Arial,sans-serif; margin: 0 6pt 0 5.95pt; text-indent: -1.1pt"><B>% of total</B></P>
    <P STYLE="font: 9pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 6.1pt 0 0 17.6pt">37</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">46,860</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">97,413</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">91,691</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">90,804</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">96,486</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">102,525</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">927,417</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,453,196</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">9</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">89,531</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">179,062</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">172,323</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">165,668</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">145,490</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">135,671</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">397,671</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,285,416</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">8</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">90,674</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,618,530</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,615,949</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">16</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">IDB INVEST</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">44,815</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">450,243</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">943,208</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">5</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>
    <P STYLE="font: 8.5pt Calibri,sans-serif; margin: 0.15pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 2.9pt 0 4.2pt">Lease (Concession Agreements, Program Contracts and Contract Asset)</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 3.4pt 0 0; text-align: right">34,940</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 3.4pt 0 0; text-align: right">35,911</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 3.45pt 0 0; text-align: right">38,411</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 3.45pt 0 0; text-align: right">41,810</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 3.45pt 0 0; text-align: right">38,687</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 6.1pt 0 0; text-align: right">28,290</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 8.2pt 0 0; text-align: right">196,405</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 4.65pt 0 0; text-align: right">414,454</P></TD>
    <TD>
    <P STYLE="font: 12pt Calibri,sans-serif; margin: 0.5pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 4.05pt 0 0; text-align: right">3</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">33,385</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">49,504</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">23,424</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">7,630</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">5,068</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,080</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">120,091</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Others</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,019</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">4,038</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">3,977</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,757</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,610</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">13,401</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">250,959</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">250,959</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #C5D9F1">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B><I>Total in local currency</I></B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,114,671</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,225,148</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,288,272</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,503,678</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,049,808</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>922,352</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>5,288,481</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>13,392,410</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>81</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>
    <P STYLE="font: 10.5pt Calibri,sans-serif; margin: 0.1pt 0 0"><B><I>&nbsp;</I></B></P>
    <P STYLE="font: 8pt Arial,sans-serif; margin: 0 0 0 4.2pt"><B><I>Foreign currency</I></B></P></TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">25,707</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">51,413</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">51,413</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">51,413</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">53,921</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">5,016</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">77,439</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">316,322</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">15,206</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">225,341</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">392,607</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">95,370</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">1,244,756</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">2,293,821</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">15</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">38,478</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">37,680</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">76,158</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">17,310</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">17,310</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #C5D9F1">
    <TD STYLE="border-bottom: black 1pt solid; padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B><I>Total in foreign currency</I></B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>153,593</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>311,042</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>310,244</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>272,564</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>275,072</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>226,167</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,547,536</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>3,096,218</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>19</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EB4E2">
    <TD STYLE="padding-left: 4.2pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B><I>TOTAL</I></B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>2,268,264</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,536,190</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,598,516</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,776,242</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,324,880</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>1,148,519</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>6,836,017</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>16,488,628</B></FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><B>100</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt Calibri,sans-serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10.5pt Calibri,sans-serif; margin: 0.35pt 0 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0 0 0 41.5pt; color: navy"><B>Covenants</B></P>

<P STYLE="font: 10pt Arial,sans-serif; margin: 0.4pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 0 0 0 55.7pt">The table below shows the most restrictive clauses in 2Q21:</P>

<P STYLE="font: 5pt Arial MT,sans-serif; margin: 0.35pt 0 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #8FA9DB">
    <TD COLSPAN="2" STYLE="border: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Calibri,sans-serif"><B>Covenants</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 55%; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Adjusted EBITDA / Adjusted Financial Expenses</FONT></TD>
    <TD STYLE="width: 45%; border-right: black 1pt solid; padding-left: 50.9pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equal to or higher than 2.80</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Adjusted Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-left: 50.9pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equal to or lower than 3.80</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Total Adjusted Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-left: 69.4pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Lower than 3.65</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Other Onerous Debt </FONT><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 6pt"><SUP>(1)</SUP></FONT> <FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">/ Adjusted EBITDA</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-left: 50.9pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equal to or lower than 1.30</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Adjusted Current Liquidity</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-left: 69.5pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Higher than 1.00</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">EBITDA / Financial Expenses Paid</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; padding-left: 50.9pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equal to or higher than 2.35</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 50.9pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Equal to or lower than 3.50</FONT></TD></TR>
  </TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 58.95pt"></TD><TD STYLE="width: 18.05pt"><FONT STYLE="font-family: Arial,sans-serif; font-size: 8pt"><I>(1)</I></FONT></TD><TD STYLE="padding-right: 107.8pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 8pt">&#8220;Other Onerous Debt&#8221; correspond
to the sum of social security obligations, healthcare plan, installment payment of tax debts and installment payment of debts with the
electricity supplier.</FONT></TD></TR></TABLE>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 107.8pt 0 0">&nbsp;</P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 107.8pt 0 0">&nbsp;</P>

<P STYLE="font: 8pt Arial MT,sans-serif; margin: 0 107.8pt 0 0">&nbsp;</P>


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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0.2pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 11.4pt 34.1pt 0 41.5pt; text-align: justify">As of June 30, 2021, the Company had met
the requirements set forth by its borrowing and financing agreements.</P>

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

<P STYLE="font: 9.5pt Arial MT,sans-serif; margin: 0.05pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 14pt Arial,sans-serif; margin-top: 4.55pt; margin-bottom: 0; color: navy"><TR STYLE="vertical-align: top">
<TD STYLE="width: 34.35pt"></TD><TD STYLE="width: 28.4pt">11.</TD><TD>CAPEX</TD></TR></TABLE>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 11.4pt 34.1pt 0 41.5pt; text-align: justify">Investments totaled R$ 1,189.2 million
in 2Q21. Cash disbursed in 2Q21 referring to the Company&#8217;s historical investments totaled R$ 826.3 million.</P>

<P STYLE="font: 10pt Arial MT,sans-serif; margin: 11.4pt 34.1pt 0 41.5pt; text-align: justify">The table below shows investments broken
down by water, sewage, and region:</P>

<P STYLE="font: 8.5pt Arial MT,sans-serif; margin: 0.15pt 0 0">&nbsp;</P>

<P STYLE="font: 9pt Arial,sans-serif; margin: 0 166.6pt 0 201.75pt; text-align: center"><B><I>R$ million</I></B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: top; background-color: #B8CCE4">
    <TD STYLE="width: 60%; border-top: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Investments</B></FONT></TD>
    <TD STYLE="border-top: black 1pt solid; width: 11%; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Water</B></FONT></TD>
    <TD STYLE="text-align: center; width: 15%; border-top: black 1pt solid; border-bottom: black 1pt solid; padding-left: 7.05pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Sewage</B></FONT></TD>
    <TD STYLE="text-align: center; width: 14%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 11.35pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Metropolitan Region</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">305.8</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">571.3</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">877.1</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">Regional Systems</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">152.6</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">159.5</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">312.1</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>458.4</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>730.8</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-family: Arial,sans-serif; font-size: 9pt"><B>1,189.2</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9pt Arial,sans-serif; margin: 0; text-align: right">&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 9.5pt 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: 9.5pt"><B>1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Operations</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo
(&quot;SABESP&quot; or the &quot;Company&quot;) is a mixed-capital company headquartered in the municipality S&atilde;o Paulo, at Rua
Costa Carvalho, 300, CEP 05429-900, controlled by the S&atilde;o Paulo State. The Company is engaged in the provision of basic and environmental
sanitation services in the S&atilde;o Paulo State and supplies treated water and sewage services on a wholesale basis.</P>

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

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021, the Company operated water and sewage services
in 375 municipalities of the S&atilde;o Paulo State, 342 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: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt 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%; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 16%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 16%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 16%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total municipalities that have already signed contracts</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">342</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">342</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">341</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">40,935,847</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">39,440,568</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">38,369,843</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">93.82%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">93.08%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">93.46%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">7,439,706</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">14,406,803</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6,913,492</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">95.16%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">95.05%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">92.59%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Municipalities with expired contracts:</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">216,167</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">264,931</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">214,050</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 7.1pt; font-family: Georgia,serif; text-indent: -7.1pt"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.50%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.63%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.52%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">19,556</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">39,088</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">18,892</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.25%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.26%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.25%</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR>
    <TD STYLE="text-align: center; vertical-align: bottom; width: 57%; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; text-align: center; vertical-align: bottom; width: 14%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 30, </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; text-align: center; vertical-align: bottom; width: 16%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, <BR>
2020</B></P></TD>
    <TD STYLE="padding-right: 5pt; text-align: center; vertical-align: bottom; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, <BR>
2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Municipalities with concession agreements due by 2030:</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">25</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">25</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">26</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;Balance &#8211; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,148,988</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,436,529</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,184,831</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">2.63%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">3.39%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">2.89%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">299,480</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">597,483</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">283,603</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">3.83%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">3.94%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">3.80%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Municipality of S&atilde;o Paulo:</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 8.65pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">42.71%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">37.94%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">42.30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 8.65pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">44.59%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">44.58%</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">43.94%</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: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company's shares have been listed in the Novo Mercado segment
of B3 under ticker SBSP3 since April 2002 and on the New York Stock Exchange (NYSE) as American Depositary Receipts (&#8220;ADRs&#8221;)
Level III, under ticker SBS, since May 2002.</P>

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

<P STYLE="font: 9.5pt 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, and Paulista Geradora de Energia. 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 vote in certain issues jointly with associates,
indicating the shared control in the management of investees, except for Saneaqua Mairinque, which, as of August 2020, no longer has a
shared control.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify"><B>Economic instability worsened by COVID-19</B></P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The global economic instability worsened with the outbreak of a new
coronavirus in early 2020, which was considered pandemic by the World Health Organization (WHO). Accordingly, SABESP has been taking several
measures to ensure the continuity and quality of the services provided to the population, which have become even more essential. It is
worth noting that any interruption in water supply by a basic sanitation company may compromise compliance with WHO&#8217;s recommendations
for everyone to keep good hygiene habits, such as washing hands correctly and more frequently.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company implemented several preventive measures so that its employees
are not exposed to situations of risks, such as: (i) employees from the administrative sectors (especially) and those with more than 60
years of age are working under a remote system; (ii) restriction of domestic and international trips; (iii) anticipation of the influenza
and pneumonia vaccination campaigns; (iv) closing of all branches that assist the public, concentrating services in the digital channels
to protect customers and employees; among others.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 6pt; text-align: justify">Some of the economic and financial consequences arising from
the COVID-19 pandemic include the following effects:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 9.5pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">high exchange rate volatility; </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 9.5pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">recovery of part of the volume billed in the public, commercial, and industrial
categories that have higher average tariffs, and application of tariff adjustments in August 2020 and May 2021, leading to an increase
in revenues with customers in these categories in an estimated amount of R$ 248.5 million from April to June 2021, and R$ 118.4 million
from January to June 2021, when compared to the same periods of 2020; </FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 6pt; 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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin: 0 0 6pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 9.5pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">increase in revenues from residential customers in an estimated amount
of R$ 208.0 million from April to June 2021, and R$ 415.5 million from January to June 2021, when compared to the same periods of 2020;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 9.5pt">(iv)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">R$&nbsp;62.9 million increase in revenues from April to June 2021, and
R$&nbsp;89.7 million from January to June 2021, when compared to the same periods in 2020, due to the billing of customers in the Residential
Social and Residential Favela categories, who were exempt from paying water and sewage tariffs;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 9.5pt">(v)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">increase in delinquency and in the expectation of higher future losses
of customers in the private and commercial/industrial categories, leading to a provisioning of estimated losses of R$&nbsp;144.1 million
from April to June 2021 (R$&nbsp;117.2 from April to June 2020) and R$&nbsp;265.2 million from January to June 2021 (R$&nbsp;274.7 million
from January to June 2020);</FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The payment of 50% of the Regulation, Control and Oversight Fee (TRCF),
totaling R$&nbsp;24.0 million, was postponed from May to December 2020, for settlement in 24 installments beginning January 2021, of which
R$&nbsp;3,003 was paid from April to June 2021, and R$&nbsp;6,006 from January to June 2021.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Management expects that the financial funds raised with the gradual
recovery of the economic activities, improved water security from the works carried out, 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: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify"><B>New Legal Sanitation Framework</B></P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">On July 15, 2020, the Brazilian President sanctioned Federal Law
14,026/2020, known as New Legal Framework for Basic Sanitation. The new law expands competition in the sector by extinguishing program
contracts, encourages the region-wise provision of services to promote economies of scale, and provides for strengthening the service
regulation.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Additionally, the New Legal Framework imposes performance goals to
reach 99% of the population served with drinking water and 90% with sewage collection and treatment by December 31, 2033, encouraging
operators to increase efficiency. The new Law also granted the National Water Agency (ANA) with power to edit reference rules to regulate
sanitation services, aiming to standardize the operation of the regulatory agencies and minimize regulatory uncertainties, thus creating
a more stable and attractive environment for investments in the sector.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Last May 31, Federal Decree 10,710 was published, regulating article
10-B of Law 11,445/2007, establishing the methodology for proving the economic and financial capacity of public providers of drinking
water supply and sewage services, to make it possible the compliance with the universalization goals by 2033. Said regulation determines
economic and financial evaluation metrics on service providers to prove their ability to make investments within the intended deadlines,
as well as several conditions for current contracts to be considered regular. Any adjustments to them should be made by March 31, 2022,
in line with paragraph 1 of article 11-B of the new law.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">In this new context, the Company understands it is important to highlight
that: i) it has contracts that already include goals that meet or even anticipate those defined by the New Legal Framework; ii) it has
access to public capital and the private capital market due to its sound reputation, favoring the maintenance and/or expansion of its
operated base and compliance with the universalization of services within the deadline established by the new law; iii) it has high governance
level; and iv) it has current contracts with the granting authority that ensure 95% of revenue.</P>

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

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

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The interim information was approved by the Board of Directors on
August 12, 2021.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify"></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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 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: 9.5pt"><B>2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Basis of preparation and presentation of
the quarterly information</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Presentation of the Interim Financial Information</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The interim financial information as of June 30, 2021, 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 they are fairly presented consistent with the rules issued by the Brazilian Securities and Exchange Commission (CVM).
Accordingly, this interim 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. The interim information for June 30, 2021, therefore, does not include all the notes and reporting required by the annual
financial statements, and accordingly, shall be read jointly with the Annual Financial Statements as of December 31, 2020, prepared pursuant
to the International Financial Reporting Standards &#8211; IFRS, issued by the International Accounting Standards Board &#8211; IASB,
and pursuant to the accounting practices adopted in Brazil, which observe the pronouncements issued by the Brazilian Accounting Pronouncements
Committee - CPC. Therefore, in this interim financial information, the notes below were either not presented or are not as detailed as
those in the annual financial statements (according to numerical references):</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">i.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Summary of significant accounting policies (Note 3);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">ii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Changes in accounting practices and disclosures (Note 4);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">iii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Risk management &#8211; financial instruments (Note 5.4);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">iv.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Key accounting estimates and judgments (Note 6);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">v.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Related-party balances and transactions (Note 11);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">vi.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Investments (Note 12);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">vii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Intangible assets (Note 15);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">viii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Borrowings and financing (Note 17);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">ix.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Deferred taxes and contributions (Note 19);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">x.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Provisions (Note 20);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">xi.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Employees benefits (Note 21);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">xii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Equity (Note 24);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 9.5pt">xiii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Insurance (Note 27);</FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">All material information related to the interim financial 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: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The amounts disclosed in the Notes are in thousands of Brazilian
reais, unless otherwise stated.</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Summary of significant accounting policies</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The accounting policies used in the preparation of the interim financial
information of June 30, 2021 are consistent with those used to prepare the Annual Financial Statements for the year ended December 31,
2020, disclosed on Note 3 of such financial statements.</P>

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


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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: 9.5pt"><B>4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Risk management</B></FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt 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: 9.5pt"><B>4.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Financial Risk Management </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify"><B>Financial risk factors</B></P>

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

<P STYLE="font: 9.5pt 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. The 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: 9.5pt 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; font-size: 9.5pt"><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: 9.5pt Georgia,serif; margin: 0; text-align: justify"><B>Exchange risk</B></P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">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 lower
interest rates, in U.S. dollar and Yen.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The management of the currency exposure considers several current
and projected economic factors, besides the market conditions.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">This risk arises from the possibility that the Company may incur
losses due to exchange rate fluctuations that would impact liability balances of foreign currency-denominated borrowings and financing
and related financial expenses. The Company does not maintain hedge or swap contracts or any derivative financial instrument to hedge
against this risk.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Part of the financial debt, totaling R$ 3,116,560 as of June 30,
2021 (R$ 3,563,170 as of December 31, 2020), is indexed to the U.S. dollar and Yen. The exposure to the exchange risk is as follows:</P>


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    <!-- Field: /Page -->

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

<P STYLE="font: 11pt 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; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 49%; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Foreign currency</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>R$</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Foreign currency</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>R$</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Borrowings and financing &#8211; US$</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">160,441</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">802,558</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">167,479</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">870,338</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Borrowings and financing &#8211; Yen</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">50,980,944</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,296,692</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">52,969,560</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,671,255</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Interest and charges from borrowings and financing &#8211; US$</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,921</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">5,540</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Interest and charges from borrowings and financing &#8211; Yen</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,389</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">16,037</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total exposure</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,116,560</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,563,170</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Borrowing cost &#8211; US$</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(17,473)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(12,342)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Borrowing cost &#8211; Yen</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,869)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,966)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total foreign currency-denominated borrowings (Note 16)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">3,096,218</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">3,547,862</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The 12.7% decrease in the balance of the foreign currency-denominated
debt from December 31, 2020 to June 30, 2021 was mainly impacted by the amortization of debt installments, contractually agreed, and the
depreciation of the U.S. dollar and Yen against the Brazilian real, 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: 5pt; width: 19%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 31%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 29%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Var.</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">US$</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">R$ 5.0022</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">R$ 5.1967</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">-3.7%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Yen</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">R$ 0.04505</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">R$ 0.05043</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">-10.7%</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">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">From January to June 2021, the liabilities of borrowings and financing
agreements decreased by R$&nbsp;302,873 (increased by R$&nbsp;2,356,350 from January to June 2020), from the currency variation of the
borrowings and financing agreements. As of June 30, 2021, if the Brazilian real had depreciated or appreciated by 10 percentage points
against the U.S. dollar and Yen with all other variables held constant, in addition to the impacts mentioned above, the effects on the
result before taxes for the six months ended June 30, 2021, would have been R$ 311,656 (R$ 563,701 for the six months ended June 30, 2020),
lower or higher, mainly as a result of exchange losses or gains on the translation of foreign currency-denominated borrowings and financing.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Scenario I below presents the effect in the income statements for
the next 12 months, considering the projected rates of the U.S. dollar and the Yen. Considering the other variables as remaining constant,
the impacts of possible depreciations of 25% and 50% in the U.S. dollar and Yen, respectively, are shown in scenarios II and III.</P>


<!-- Field: Page; Sequence: 30 -->
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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company understands that the scenarios presented are reasonable,
given the instability of the Brazilian real against the U.S. dollar and the Yen. The depreciation of the U.S. dollar and Yen against the
Brazilian real came to 3.7% and 10.7%, respectively, in 2021.</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: 62%; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Scenario I (Probable)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Scenario II (+25%)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Scenario III (+50%)</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt"><B>Net currency exposure as of June 30, 2021 in US$ - Losses </B></FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">160,441</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">160,441</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">160,441</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">US$ rate as of June 30, 2021</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5.0022</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5.0022</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5.0022</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">5.1500</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">6.4375</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">7.7250</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(0.1478)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1.4353)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2.7228)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Effect on the net financial result R$ - gain/(loss) </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(23,713)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(230,281)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(436,849)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt"><B>Net currency exposure as of June 30, 2021, in &yen; - Losses</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">50,980,944</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">50,980,944</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">50,980,944</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Yen rate as of June 30, 2021</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.04505</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.04505</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.04505</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">0.04599</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">0.05749</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">0.06899</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(0.00094)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(0.01244)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(0.02394)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Effect on the net financial result R$ - gain/(loss) </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(47,922)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(634,203)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(1,220,484)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total effect on the net financial result in R$ - gain/(loss) </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(71,635)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(864,484)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(1,657,333)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="4" STYLE="font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">(*) For the probable scenario in U.S. dollar, the exchange rate estimated for June 30, 2022 was used, according to the BACEN Focus Report of June 30, 2021. For the Yen, the exchange estimated for June 30, 2022 was used, according to B3&#8217;s Reference Rates report of June 30, 2021.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify"><B>Interest rate risk</B></P>

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

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

<P STYLE="font: 9.5pt 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="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->29<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The table below provides 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: 31%; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 35%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 34%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">CDI (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">7,471,313</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">7,836,988</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">TR (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,635,045</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,619,416</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">IPCA (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,161,934</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,176,547</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">TJLP (iv)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,404,654</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,517,657</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">LIBOR (v)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">802,559</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">870,337</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Interest and charges</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">254,873</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">164,439</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">13,730,378</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">14,185,384</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 35.45pt"><FONT STYLE="font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">CDI - (<I>Certificado de Dep&oacute;sito Interbanc&aacute;rio</I>), an
interbank deposit certificate</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 35.45pt"><FONT STYLE="font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">TR &#8211; Interest Benchmark Rate</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 35.45pt"><FONT STYLE="font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">IPCA &#8211; (<I>&Iacute;ndice Nacional de Pre&ccedil;os ao Consumidor
Amplo</I>), a consumer price index</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 35.45pt"><FONT STYLE="font-size: 10pt">(iv)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">TJLP &#8211; (<I>Taxa de Juros a Longo Prazo</I>), a long-term interest
rate index</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 35.45pt"><FONT STYLE="font-size: 10pt">(v)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">LIBOR &#8211; London Interbank Offered Rate</FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021, 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 months
ended June 30, 2021 would have been<BR>
R$ 137,304 (R$ 111,959 for the six months ended June 30, 2020), lower or higher, mainly as a result of lower or higher interest expense
on floating rate borrowings and financing.</P>

<P STYLE="font: 9.5pt 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; font-size: 9.5pt"><B>Credit risk</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Credit risk is related to cash and cash equivalents, financial investments,
as well as credit exposures to wholesale basis and retail customers, including accounts receivable, restricted cash, and accounts receivable
from related parties. Credit risk exposure to customers is mitigated by sales to a dispersed base.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The maximum exposure to credit risk as of June 30, 2021 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. See additional information in Notes 6, 7, 8, 9, and 10.</P>

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

<P STYLE="font: 9.5pt 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>


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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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; width: 37%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; border-bottom: Black 0.5pt solid"><B>Banks</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Fitch</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Moody's</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Banco do Brasil S/A</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Banco Santander Brasil S/A</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Banco Bradesco S/A</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Banco Ita&uacute; Unibanco S/A</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Banco BV</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AA.br</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Banco BTG Pactual S/A</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AA+.br</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">brAA+</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The rating assessment disclosed by Fitch for deposit transactions
and financial investments in local currency (R$ - domestic rating) 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="padding-right: 5pt; width: 46%; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 27%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 27%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Cash and cash equivalents and financial investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,773,447</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,662,685</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">909,760</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">891,243</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Others (*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">265,581</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">253,619</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,948,788</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,807,547</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">(*) As of June 30, 2021, this category includes R$&nbsp;255,828 (R$&nbsp;253,066
as of December 31, 2020) referring to Banco BV, checking accounts, and financial investments, which are not rated by Fitch.</P>

<P STYLE="font: 9.5pt 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; font-size: 9.5pt"><B>Liquidity risk </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Liquidity is primarily reliant upon cash provided by operating activities
and borrowings and financing obtained in the local and international capital markets, as well as the payment of debts. The management
of this risk considers the assessment of its liquidity requirements to ensure it has sufficient cash to meet its operating and capital
expenditures needs.</P>

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

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

<P STYLE="font: 9.5pt 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, 2021.</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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->31<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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: 38%; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>July to December 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <P STYLE="font: bold 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2023</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <P STYLE="font: bold 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2024</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <P STYLE="font: bold 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid">2025</P></TD>
    <TD STYLE="padding-right: 5pt; width: 8%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2026 onwards</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt"><B>June 30, 2021</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Liabilities</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Borrowings and financing</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">2,369,459</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">2,180,341</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">2,188,523</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">2,312,456</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt; font-weight: normal">1,796,652</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">10,517,405</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">21,364,836</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Suppliers</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">225,901</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt; font-weight: normal">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">225,901</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Services payable</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">496,535</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt; font-weight: normal">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">496,535</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">212,294</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">424,865</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">425,177</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">389,794</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt; font-weight: normal">356,036</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">4,244,702</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">6,052,868</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">108,781</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">34,680</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">34,680</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">1,080</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: bold 10pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt; font-weight: normal">1,080</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">13,553</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">193,854</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<P STYLE="font: 9.5pt 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 are shown in Note 16 (c).</P>

<P STYLE="font: 9.5pt 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; font-size: 9.5pt"><B>Sensitivity analysis on interest rate risk</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The table below shows the sensitivity analysis of the financial instruments,
prepared in accordance CPC 40, to evidence the balances of main financial assets and liabilities, calculated at a rate projected for a
future period after June 30, 2021, or until the final settlement of each contract, whichever is shorter, considering a probable scenario
(Scenario I), with additions of 25% (Scenario II) and 50% (Scenario III).</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The purpose of the sensitivity analysis is to measure the impact
of changes in the market over the financial instruments, considering constant all other variables. At the time of settlement, the amounts
can be different from those presented, due to the estimates used in the measurement.</P>


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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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->32<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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: top">
    <TD COLSPAN="5" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 30%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Indicators</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Exposure</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 20%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Scenario I</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(Probable) (i)</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Scenario II</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>25%</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Scenario III</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>50%</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt"><B>Assets</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">CDI</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">2,858,944</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6.5800%(**)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8.2250%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">9.8700%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Financial income</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">188,119</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">235,148</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">282,178</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">CDI </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(7,471,313)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6.5800%(**)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8.2250%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">9.8700%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(491,612)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(614,515)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(737,419)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">CDI net exposure</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(4,612,369)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(303,493)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(379,367)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(455,241)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">TR</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1,635,045)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.0001%(**)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.0001%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.0002%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(3)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">IPCA</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2,161,934)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">4.1700%(*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5.2125%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6.2550%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(90,153)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(112,691)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(135,229)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">TJLP</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1,404,654)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5.1700%(***)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6.4625%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">7.7550%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(72,621)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(90,776)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(108,931)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">LIBOR </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(802,559)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.1850%(**)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.2313%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">0.2775%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1,485)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1,856)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2,227)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Total expenses to be incurred, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(467,754)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(584,692)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(701,631)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="5" STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: Focus-BACEN Report of June 30, 2021</FONT></TD></TR>
  <TR>
    <TD COLSPAN="5" STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(**)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: B3 of June 30, 2021: </FONT></TD></TR>
  <TR>
    <TD COLSPAN="5" STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(***)&nbsp;&nbsp;&nbsp;Source: LCA Consultores of June 30, 2021</FONT></TD></TR>
  <TR>
    <TD COLSPAN="5" STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</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 Georgia,serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 7.1pt"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-size: 9.5pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Refers to the scenario of the projected interest to be incurred for the
12 months as of June 30, 2021, or until the maturity of the agreements, whichever is shorter.</FONT></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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt 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: 9.5pt"><B>4.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Capital management </B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 9.5pt 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 creditor&#8217;s equity). 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="white-space: nowrap; width: 49%; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 26%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 25%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt"><B>&nbsp;</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total borrowings and financing (Note 16)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">16,488,628</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">17,258,624</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">(-) Cash and cash equivalents (Note 6)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(249,932)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(396,401)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">(-) Financial investments (Note 7)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(2,698,856)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">(3,411,146)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Net debt</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">13,539,840</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">13,451,077</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total equity</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">24,037,238</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">22,793,704</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total (shareholders plus creditor&#8217;s equity)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">37,577,078</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">36,244,781</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Leverage ratio</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">36%</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">37%</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>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021, the leverage ratio decreased to 36%, compared
to 37% as of December 31, 2020, mainly due to the profit recorded in the first half of 2021, of R$ 1,269,910.</P>

<P STYLE="font: 9.5pt 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: 9.5pt"><B>4.3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Fair value estimates</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company considers that balances from trade receivables (current)
and trade payables by carrying amount less impairment approximate their fair values, considering the short maturity. Long-term trade receivables
also approximate their fair values, as they will be adjusted by inflation and/or will bear contractual interest rates over time.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 85%"><P STYLE="text-align: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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: 9.5pt"><B>4.4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Financial instruments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company did not have financial assets classified as fair value
through other comprehensive income and fair value through profit or loss. The financial instruments included in the amortized cost category
comprise cash and cash equivalents, financial investments, restricted cash, trade receivables, balances with related parties, other assets
and balances receivable from the Water National Agency (ANA), accounts payable to suppliers, borrowings and financing, services payable,
balances payable deriving from the Public-Private Partnership (PPP) and program contract commitments, which are non-derivative financial
assets and liabilities with fixed or determinable payments, not quoted in an active market, except for cash equivalents and financial
investments.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The estimated fair values of the financial instruments are as follows:</P>

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

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

<P STYLE="font: 9.5pt 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-left: 2.85pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 40%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Cash and cash equivalents</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">249,932</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">249,932</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">396,401</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">396,401</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Financial investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,698,856</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,698,856</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,411,146</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,411,146</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Restricted cash</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">27,950</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">27,950</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">35,742</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">35,742</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,528,064</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,528,064</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,450,986</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,450,986</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;ANA </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">23,904</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">23,904</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">26,463</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">26,463</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Other receivables </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">269,716</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">269,716</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">246,110</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">246,110</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: 9.5pt Georgia,serif; margin: 0; text-align: justify">Additionally, SABESP has financial assets receivable from related
parties, totaling R$ 801,685 as of June 30, 2021<BR>
(R$ 806,645 as of December 31, 2020), 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$ 729,762
(R$ 732,391 as of December 31, 2020), 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: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt 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="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 40%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">16,488,628</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">16,941,396</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">17,258,624</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">17,702,649</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Suppliers</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">225,901</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">225,901</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">263,741</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">263,741</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Services payable</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">496,535</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">496,535</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">453,750</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">453,750</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Program Contract Commitment</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">183,012</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">183,012</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">231,480</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">231,480</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,112,293</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,112,293</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,175,273</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,175,273</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: 9.5pt Georgia,serif; margin: 0; text-align: justify">The criteria adopted to obtain the fair values of borrowings and
financing in preparing the interim financial information as of June 30, 2021, are consistent with those adopted in the Annual Financial
Statements for the fiscal year ended December 31, 2020.</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Financial instruments referring to financial investments and borrowings
and financing are classified as Level 2 in the fair value hierarchy.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Considering the nature of other financial instruments, assets and
liabilities, the balances recognized in the statement of financial position approximate the fair values, except for borrowings and financing,
considering the maturities close to the end of the reporting date, comparison of contractual interest rates with market rates in similar
operations at the end of the reporting period, their nature, and maturity terms.</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>5</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Key accounting estimates and judgments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The preparation of the interim financial information requires Management
to make judgments (except for those that involve assumptions) 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 ones.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company makes estimates and assumptions concerning the future,
which are reviewed on a timely basis. Such accounting estimates, by definition, may differ from the actual results. The effects from the
reviews of the accounting estimates are recognized in the period in which the estimates are reviewed.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company evaluated the main accounting policies that involve judgment,
except for those that involve estimates, and concluded that none of them have a significant effect.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The areas that require a higher level of judgment and greater complexity,
as well as those in which assumptions and estimates 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 - pension plans; (iv)
deferred income tax and social contribution; (v) provisions; and (vi) unbilled revenue.</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>6</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Cash and cash equivalents</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: 38%; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 31%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 31%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Cash and banks</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">76,930</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">74,033</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Cash equivalents</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">173,002</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">322,368</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">249,932</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">396,401</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021, the average yield of financial investments corresponded
to 95.94% of CDI (95.82% as of December 31, 2020).</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>7</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Financial investments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt 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>


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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 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: 44%; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 28%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 28%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Banco BV </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">255,828</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">253,066</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Banco Ita&uacute; S/A </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">358,087</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">354,296</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Banco Bradesco S/A </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">511,640</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">506,136</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Banco BTG Pactual S/A </FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">358,145</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">354,299</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Banco do Brasil S/A </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,215,156</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,943,349</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,698,856</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,411,146</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0">As of June 30, 2021, the average yield of the financial investments corresponded to 99.54%
of CDI (98.95% as of December 31, 2020).</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>8</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Restricted cash</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">&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: 46%; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 27%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 27%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Agreement with the S&atilde;o Paulo municipal government (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">21,458</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">29,599</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Brazilian Federal Savings Bank &#8211; escrow deposits (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">367</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">272</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,125</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5,871</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">27,950</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">35,742</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 19.3pt"><FONT STYLE="font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">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 the S&atilde;o Paulo
municipal government; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 19.3pt"><FONT STYLE="font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Refers to the savings account intended to receive escrow deposits from
lawsuits with final and unappealable decisions in favor of the Company, which are blocked under the contractual clause.</FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->37<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Frutiger Light,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: 9.5pt"><B>9</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Trade receivables </B></FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify; text-indent: -17.55pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; text-indent: -17.55pt"><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: 48%; padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 26%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 26%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Private sector:</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">General (i) and special customers (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,819,277</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,663,738</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">481,393</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">398,367</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,300,670</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,062,105</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Government entities:</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Municipal</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">480,535</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">473,201</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Federal</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">5,120</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,859</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">375,349</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">333,740</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">861,004</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">810,800</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Wholesale customers &#8211; Municipal governments: (iv)</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Mogi das Cruzes</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,784</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,582</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">S&atilde;o Caetano do Sul</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">21,263</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">18,808</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total wholesale customers &#8211; Municipal governments</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">25,047</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">22,390</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Unbilled supply</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">607,020</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">713,310</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,793,741</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,608,605</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,265,677)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,157,619)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,528,064</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,450,986</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Current</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,249,036</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,204,029</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">279,028</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">246,957</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,528,064</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,450,986</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">General customers - residential, and small and mid-sized companies;</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Special customers &#8211; large consumers, commercial industries, condominiums,
and special billing customers (fixed demand agreements, industrial waste, wells, among others);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">Agreements - installment payments of past-due receivables, plus monetary
restatement and interest, according to the agreements; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1cm"><FONT STYLE="font-size: 10pt">(iv)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">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.</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0">&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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->38<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>The aging of trade receivables is as follows:</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: 38%; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 31%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 31%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Current</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,731,219</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,793,104</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Past-due:</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Up to 30 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">402,327</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">340,760</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">From 31 to 60 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">201,756</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">177,103</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">From 61 to 90 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">146,972</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">120,488</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">From 91 to 120 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">124,677</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">88,323</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">From 121 to 180 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">150,632</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">113,060</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">From 181 to 360 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">97,384</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">82,365</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Over 360 days</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">938,774</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">893,402</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Times,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Times,serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Total past-due</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,062,522</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,815,501</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,793,741</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,608,605</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0">The increase in the past-due balance was mainly due to higher default of the private sector.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Allowance for doubtful accounts </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: 53%; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 24%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 23%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Balance at the beginning of the period</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,157,619</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,042,015</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Additions</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">130,074</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">193,295</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Recoveries </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(22,016)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(30,519)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Balance at the end of the period</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,265,677</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,204,791</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: 40%; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt"><B>Reconciliation of estimated/historical losses at the result</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Write-offs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(94,115)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(156,500)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(66,579)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(104,347)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">(Losses)/reversal with state entities &#8211; related parties </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(146)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(594)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(6,812)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(7,543)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">(Losses) with the private sector/government entities</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(62,048)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(130,074)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(66,808)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(193,295)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Recoveries</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">12,208</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">22,016</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">23,022</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">30,519</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Amount recorded as expense (Note 27)</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(144,101)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(265,152)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(117,177)</P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(274,666)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 41 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><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 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company does not have customers representing 10% or more of its
total revenues.</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>10</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Related-party balances and transactions</B></FONT></TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>S&atilde;o Paulo State</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,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-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Accounts receivable, interest on capital, revenue, and expenses with
the S&atilde;o Paulo State Government </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: 53%; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 23%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 24%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Accounts receivable</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Current:</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Sanitation services</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">109,684</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">109,078</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt Verdana,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Estimated losses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(39,721)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(39,127)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt Verdana,sans-serif; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;- Monthly flow (payments)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">16,283</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">22,726</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;&#9;- GESP Agreement &#8211; 2015</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">80,054</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">75,377</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total current</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">166,300</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">168,054</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Noncurrent:</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Agreement for the installment payment of sanitation services</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,960</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">4,303</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;&#9;- GESP Agreement &#8211; 2015</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">633,425</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">634,288</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">635,385</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">638,591</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total receivables from shareholders</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">801,685</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">806,645</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Assets:</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Sanitation services</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">71,923</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">74,254</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Reimbursement of additional retirement and pension benefits paid (G0)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">729,762</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">732,391</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">801,685</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">806,645</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Liabilities:</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Interest on capital payable to related parties</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">116,180</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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->40<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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; vertical-align: bottom; width: 43%; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: top; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Revenue from sanitation services</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">118,975</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">243,381</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">123,949</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">265,834</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Payments from related parties</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(108,113)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(220,336)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(143,946)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(293,441)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Verdana,sans-serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Verdana,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Receipt of reimbursement referring to Law 4,819/1958</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(33,877)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(88,058)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(17,714)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(71,916)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 70.9pt"><FONT STYLE="font-size: 10pt"><B>(ii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Disputed amounts</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021 and December 31, 2020, 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$ 1,320,356
and R$ 1,281,409, respectively, for which allowances for doubtful accounts were created.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 70.9pt"><FONT STYLE="font-size: 10pt"><B>(iii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Actuarial liability</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt 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, 2021 and December
31, 2020, the amounts corresponding to the actuarial liability totaled R$ 2,545,673 and R$ 2,549,541, respectively. For detailed information
on additional retirement and pension benefits, see Note 21.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Use of Reservoirs &#8211; EMAE</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 9.5pt 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 Adjustments to settle the disputes fully and completely and SABESP will continue using the
reservoirs.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021, the balance of the agreement totaled R$ 7,791
and R$ 83,659 (R$ 17,255 and R$ 73,660 as of December 31, 2020), recorded in Other liabilities, under current and noncurrent liabilities,
respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Agreements with reduced tariff for State Entities that join the Rational
Water Use Program (PURA) </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt 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 takes into consideration the reduction
in water consumption.</P>


<!-- Field: Page; Sequence: 43 -->
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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 9.5pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Guarantees</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt 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.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(e)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Personnel assignment agreement among entities related to the S&atilde;o
Paulo State Government</B></FONT></TD></TR></TABLE>

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

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">From April to June and from January to June 2021, expenses with employees
assigned to other state entities totaled R$&nbsp;218 and R$&nbsp;375 (R$&nbsp;579 and R$&nbsp;1,267 from April to June and from January
to June 2020), respectively.</P>

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

<P STYLE="font: 9.5pt 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 2021 (R$&nbsp;13 and R$&nbsp;13 from April to June and from January to June
2020, respectively).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(f)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Non-operating assets</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021 and December 31, 2020, the Company&#8217;s had
land and lent structures totaled R$&nbsp;3,613.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(g)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>SABESPREV </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company sponsors a private defined benefit pension plan (G1 Plan),
which is operated and administered by SABESPREV. The net actuarial liability recognized as of June 30, 2021 totaled R$ 313,104 (R$ 319,053
as of December 31, 2020), according to Note 21.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(h)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Compensation of the Management Key Personnel and Fiscal Council</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">From April to June and from January to June 2021, expenses related
to the compensation of the members of the Management and Fiscal Council totaled R$&nbsp;1,596 and R$&nbsp;3,190 (R$&nbsp;1,596 and R$&nbsp;3,179
from April to June and from January to June 2020), respectively.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Additional amounts of R$&nbsp;360 and R$&nbsp;720, referring to the
executive officers&#8217; bonus program, were recorded from April to June and from January to June 2021 (R$&nbsp;360 and R$&nbsp;720 from
April to June and from January to June 2020), respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Loan agreement through credit facility</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt 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 issues, with no ability to use such power
of veto in a way to affect the returns over investments. Therefore, these SPEs are considered for accounting purposes as jointly arrangements.</P>

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

<P STYLE="font: 9.5pt 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 is granted.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021, the balance of principal and interest of this
agreement totaled R$&nbsp;9,597 and R$&nbsp;24,315, recorded in &#8220;Other assets&#8221; under current assets and noncurrent assets,
respectively (R$&nbsp;9,420 and R$&nbsp;23,866, respectively, as of December 31, 2020), at CDI + 1.2% p.a.</P>

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

<P STYLE="font: 9.5pt 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
maturing on December 30, 2021, and the last on December 30, 2023.</P>

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

<P STYLE="font: 9.5pt 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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(j)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>&#8220;Se Liga na Rede&#8221; (Connect to the Network Program)</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The S&atilde;o Paulo State enacted the State Law 14,687/2012, creating
the Pro-Connection program, intended to financially subsidize the execution of household branches necessary to connect to the sewage collecting
networks in low-income households, which agreed to adhere to the program. The Law was regulated by Decree 58,280/2012 and is effective
for eight years. During the Program, R$&nbsp;52,174 was reimbursed by the S&atilde;o Paulo State. As of June 30, 2021, there were no balances
receivable from related parties.</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>11</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Investments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company holds interest in certain Special Purpose Entities (SPE).
Although SABESP has no majority shares of its investees, the shareholders&#8217; agreement provides for the power of veto in certain management
issues, however, with no ability to use such power of veto in a way to affect the returns over the investments, indicating participating
shared control (joint venture &#8211; CPC 19 (R2)).</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company holds equity interest valued by the equity accounting
in the following investees:</P>

<P STYLE="font: 10pt 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">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Equity</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 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: 30%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 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>June</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>30,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 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>December</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>(*)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Sesamm</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">54,717</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">51,514</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">3,203</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">3,621</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">&Aacute;guas de Andradina</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">30,446</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">29,576</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">959</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">(89)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">(1,612)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">9,210</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">8,533</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">662</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">15</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">555</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Attend Ambiental</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">21,683</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">11,409</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">2,891</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">7,383</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">3,050</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">54,241</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">41,903</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">12,338</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">8,964</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Paulista Geradora de Energia </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">6,410</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">6,692</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">(282)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">(225)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 45 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->43<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt Georgia,serif; margin: 0">&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; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Investment</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Equity result</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest percentage</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 30%; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 10%; padding-left: 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>June</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>30,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 10%; padding-left: 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>December</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 10%; padding-left: 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: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 10%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid"><B>(*)</B></P></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 10%; padding-left: 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: 1pt 0 0; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 10%; padding-left: 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>June</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>30,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 10%; padding-left: 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>December</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 1pt 0 0; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Sesamm</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">19,699</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">18,546</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,153</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,303</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">36%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">36%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&Aacute;guas de Andradina </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">9,134</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">8,873</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">288</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">(27)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">(483)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">30%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">2,763</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">2,560</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">199</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">4</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">168</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">30%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Saneaqua Mairinque<SUP>1</SUP></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">(216)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">4.6%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">4.6%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Attend Ambiental</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">9,757</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">5,134</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,301</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">3,322</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,372</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">45%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">26,577</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">20,532</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">6,045</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">4,392</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">49%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Paulista Geradora de Energia</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,603</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,673</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(70)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(56)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">25%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">25%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">69,533</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">57,318</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">8,916</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">3,299</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">6,480</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt">Other investments</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,099</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,099</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt">Total</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 2.25pt double">75,632</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0 1pt; text-align: right; border-bottom: Black 2.25pt double">63,417</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">(*) Refers to changes in the equity of investees, as their financial
statements for the year ended December 31, 20120 were issued after the disclosure of SABESP&#8217;s financial statements.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify"><SUP>(1)</SUP> As of August 20, 2020, SABESP discontinued the equity
accounting method for the investment in Saneaqua Mairinque and recorded R$&nbsp;5,734 in &#8220;Other investments&#8221;.</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>12</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><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="padding-right: 5pt; width: 37%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">46,274</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(24)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">46,250</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>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 11pt">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; width: 32%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2019</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfer</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">47,562</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">11</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(24)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">47,549</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021, the market value of these properties was approximately
R$&nbsp;386,000 (R$&nbsp;383,000 as of December 31, 2020).</P>

<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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->44<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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: 9.5pt"><B>13</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Contract asset</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Contract Asset (works in progress) is the right to consideration
in exchange for goods or services transferred to customers. As established by CPC 47 &#8211; Revenue from Contracts with Customers, assets
subject to the concession under construction, recorded under the scope of ICPC 01 (R1) &#8211; Concession Agreements, must be classified
as Contract Asset during the construction period and transferred to Intangible Assets only after the conclusion of the works.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">A contract asset is initially designated at fair value and includes
borrowing costs capitalized during the period when the asset is under construction, based on the weighted average rate of borrowings in
effect on the capitalization date. See Note 14 for further information on the capitalization of interest and construction margin, recorded
during the construction period.</P>

<P STYLE="font: 9.5pt 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: 21%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions (i)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers of works to intangible
    assets (ii)</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2021 (iii)</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Total contract asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,969,164</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,225,121</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,039</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,151,459)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,043,865</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="padding-right: 5pt; white-space: nowrap; width: 21%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2019</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers of works to intangible
    assets</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 16%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Total contract asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,617,714</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,708,731</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">35</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,614,733)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,711,747</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.25pt"><FONT STYLE="font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">The largest additions of the period are located in the municipalities of
S&atilde;o Paulo, Praia Grande, and Guarulhos, totaling R$ 1,204 million, R$ 74 million, and R$ 65 million, respectively.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.25pt"><FONT STYLE="font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">The largest transfers of the period are located in the municipalities of
S&atilde;o Paulo, Caieiras, and Franco da Rocha, totaling R$ 1,494 million, R$ 108 million, and R$ 71 million, respectively.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.25pt"><FONT STYLE="font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt">The largest works are located in the municipalities of S&atilde;o Paulo,
Praia Grande, and S&atilde;o Bernardo do Campo, totaling R$ 2,765 million, R$ 570 million, and R$ 472 million, respectively.</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2020, the contract asset included R$ 276,893, recorded
as lease (R$ 276,893 as of December 31, 2020). Leases are part of construction costs, however, constructions are still in progress.</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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->45<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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: 9.5pt"><B>14</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Intangible assets</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><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; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 39%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Intangible right arising from:</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Concession agreements &#8211; equity value</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">682,685</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(196,652)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">486,033</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">671,904</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(188,129)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">483,775</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Concession agreements &#8211; economic value </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,462,734</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(762,436)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">700,298</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,446,261</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(711,596)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">734,665</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Program contracts </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">23,794,927</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(7,223,588)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">16,571,339</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">23,160,119</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(6,799,812)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">16,360,307</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Program contracts &#8211; commitments </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,709,757</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(365,317)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,344,440</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,709,757</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(338,834)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,370,923</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Service contracts &#8211; S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">22,011,190</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(6,181,913)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">15,829,277</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">20,579,676</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(5,707,072)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">14,872,604</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Software license of use</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,037,062</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(484,974)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">552,088</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">978,085</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(437,460)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">540,625</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">176,560</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(70,869)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">105,691</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">141,782</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(99,106)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">42,676</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">50,874,915</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(15,285,749)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">35,589,166</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">48,687,584</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(14,282,009)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">34,405,575</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 Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><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="padding-right: 5pt; white-space: nowrap; width: 22%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center"><B>December </B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center"><B>31, </B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfer of contract asset</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers </B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 11%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center"><B>June </B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center"><B>30, </B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Intangible right arising from: </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Concession agreements - equity value (*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">483,775</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">10,994</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">62</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(136)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(8,662)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">486,033</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Concession agreements &#8211; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">734,665</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">16,807</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">74</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(239)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(51,009)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">700,298</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Program contracts (*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">16,360,307</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">8,881</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">629,440</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">433</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(1,363)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(426,359)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">16,571,339</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Program contracts &#8211; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">1,370,923</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(26,483)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">1,344,440</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Service contracts &#8211; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">14,872,604</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">7,157</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">1,435,242</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(2,611)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(483,115)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">15,829,277</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Software license of use </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">540,625</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">58,976</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(47,513)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">552,088</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">42,676</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">103,521</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt 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; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(462)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(40,044)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">105,691</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34,405,575</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">119,559</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,151,459</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">569</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(4,811)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,083,185)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">35,589,166</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">(*) As of June 30, 2021, Concession agreements &#8211; equity value,
and Program contracts, included leases totaling R$ 71,056 and R$ 186,894 (R$ 76,454 and R$ 193,107 as of December 31, 2020), respectively.</P>


<!-- Field: Page; Sequence: 48 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->46<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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: 21%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 11%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2019</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 8%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Contract renewal</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 11%; padding-left: 5pt">
    <P STYLE="font: 7.5pt 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="padding-right: 5pt; width: 11%; padding-left: 5pt">
    <P STYLE="font: 7.5pt 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: 9%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June </B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>30,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Intangible right arising from: </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Concession agreements &#8211; equity value (*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">1,494,853</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(1,030,964)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">40,719</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">180</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(193)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(19,138)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">485,457</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Concession agreements &#8211; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">712,852</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">44,635</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(1)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(8)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(44,223)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">713,255</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Program contracts (*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">13,819,700</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">285,589</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">1,030,964</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">1,014,385</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(66,071)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(2,440)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(380,586)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">15,701,541</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Program contracts &#8211; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">1,364,875</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">58,323</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(25,792)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">1,397,406</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Service contracts &#8211; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">14,390,763</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">6,469</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">505,577</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(11,781)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(3,053)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(434,997)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">14,452,978</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Software license of use </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">471,706</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">9,417</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">78,243</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">(33,210)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">526,156</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Right of use &#8211; Other assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">70,698</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">23,347</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt 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; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt 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; padding-left: 5pt">
    <P STYLE="font: 7.5pt 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; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(28,351)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">65,694</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 7.5pt">Total </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">32,325,447</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">373,728</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt 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; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,614,733</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">570</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,694)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(966,297)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">33,342,487</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">(*) As of June 30, 2020, Concession agreements &#8211; equity value,
and Program contracts, included leases totaling R$ 81,860 and R$ 199,332 (R$ 87,266 and R$ 205,558 as of December 31, 2019), respectively.</P>

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

<P STYLE="font: 9.5pt 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. Garbage collection
fees started to be charged on water and sewage bills as of January 1, 2021 and were interrupted on May 1, 2021. 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 by means of a public call.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Obligations arising from concession agreements</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">As of June 30, 2021, the Company has obligations recorded in &#8220;Program
contract commitments&#8221;, under current liabilities and noncurrent liabilities, totaling R$ 140,983 and R$ 42,029 (R$ 162,541 and R$
68,939 as of December 31, 2020), respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Capitalization of interest and other finance charges</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company capitalizes interest, inflation adjustment, and exchange
variation in concession intangible assets during the construction period. From January to June 2021, it capitalized R$&nbsp;121,996 (R$&nbsp;139,994
from January to June 2020).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(e)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Construction margin</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt 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>


<!-- Field: Page; Sequence: 49 -->
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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 9.5pt Georgia,serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Constructions related to the concessions are usually performed by
third parties. In such a case, the margin is lower to cover administration costs and the assumption of responsibility for primary risks
is lower. The construction margin was 2.3% as of June 30, 2021 and 2020.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">From April to June and from January to June 2021, the construction
margins were R$&nbsp;22,998 and R$&nbsp;46,005 (R$&nbsp;22,924 and R$&nbsp;35,579 from April to June and from January to June 2020), respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(f)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Expropriations </B></FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify; text-indent: -17.55pt">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">Expropriation costs are recorded as concession intangible assets
after the transaction is concluded. From April to June and from January to June 2021, expropriations totaled R$&nbsp;40,618 and R$&nbsp;50,292
(R$&nbsp;14,137 and R$&nbsp;21,453 from April to June and from January to June 2021), respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(g)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Public-Private Partnership - PPP</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">SABESP carries out operations related to the PPPs mentioned below.
These operations and their respective obligations and guarantees are supported by agreements executed according to Law 11,079/2004.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0">The amounts recorded in intangible assets, net of amortization, are as follows:</P>

<P STYLE="font: 9.5pt 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: 23%; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 40%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 37%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">278,195</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">287,645</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,980,663</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,065,445</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,258,858</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,353,090</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0">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: 5pt; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; width: 14%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Current liabilities</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent liabilities</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total liabilities</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Current liabilities</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent liabilities</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 16%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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: 5pt; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">58,043</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">129,852</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">187,895</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">59,429</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">149,726</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">209,155</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">88,199</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,836,199</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,924,398</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">70,778</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,895,340</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,966,118</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">146,242</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,966,051</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,112,293</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">130,207</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,045,066</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,175,273</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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->48<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(h)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Amortization of Intangible Assets</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The average amortization rate totaled 4.7% as of June 30, 2021 and
2020.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Software license of use</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The software license of use is capitalized based on the costs incurred
to acquire software and make them ready for use. As of April 10, 2017, the Integrated Business Management System (Enterprise Resource
Planning &#8211; SAP ERP) was implemented. This system includes the administrative/financial module.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The implementation of the commercial module Net@Su&iacute;te system
began in August 2019 and is being carried out in different phases. As of June 30, 2021, it had already been implemented in 228 municipalities.
The implementation is expected to be concluded in December 2021.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(j)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Right of use</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">The Company recognizes right of use assets and lease liabilities,
except for those of short term and low value. For these cases, SABESP maintained the amounts of R$ 4,578, R$ 5,375, and R$ 918 from January
to June 2021 (R$ 1,961, R$ 4,869, and R$ 984 from January to June 2020) under operating costs, selling expenses, and administrative expenses,
respectively.</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0">&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: 62%">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Nature</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 19%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 19%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Leases - Contract asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">276,893</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">276,893</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Leases - Concession and Program Contract</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">405,446</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">405,426</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(147,496)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(135,865)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">257,950</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">269,561</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other assets (*)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Vehicles</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">143,056</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">115,208</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Properties</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8,527</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">15,508</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equipment</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">9,677</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">4,541</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">15,300</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6,525</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(70,869)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(99,106)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">105,691</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">42,676</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Right of use</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">640,534</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">589,130</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">(*) From January to June 2021, costs and accumulated amortization
totaling R$ 68,280, referring to expired rights of use, were written off.</P>

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

<P STYLE="font: 9.5pt 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>

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


<!-- Field: Page; Sequence: 51 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->49<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 9.5pt 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: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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="padding-right: 5pt; width: 54%; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 23%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center"><B>June 30, </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 23%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center"><B>June 30, </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Right of use amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(51,675)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(39,981)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Financial result &#8211; interest expense and inflation adjustment</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(34,070)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(31,616)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Expenses of short-term leases with low value</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(10,871)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(7,814)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Reduction of profit for the period</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(96,616)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(79,411)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt"><B>(k)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Performance Agreements</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">As of June 30, 2021, the accounting balances of these agreements
recorded in contract asset and intangible assets were R$ 544,697 and R$ 644,839 (R$ 306,738 and R$ 265,940 as of December 31, 2020), respectively.</P>

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

<P STYLE="font: 9.5pt 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: 9.5pt"><B>15</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><B>Property, plant and equipment </B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><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: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="4" STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="4" STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; vertical-align: bottom; width: 26%; padding-left: 3pt; font-family: Georgia,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: 7.5pt 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: 7.5pt 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: 7%; padding-left: 3pt">
    <P STYLE="font: 7.5pt 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: 11%; padding-left: 3pt">
    <P STYLE="font: 7.5pt 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: 7.5pt 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: 7.5pt 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: 7%; padding-left: 3pt">
    <P STYLE="font: 7.5pt 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: 11%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual average depreciation
    rate</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Land</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">94,213</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">94,213</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">94,213</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">94,213</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font: 9pt Univers,sans-serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Buildings</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">86,196</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">(40,676)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">45,520</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">2.1%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">86,860</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">(41,513)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">45,347</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">2.1%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Equipment</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">378,565</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">(278,629)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">99,936</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">14.3%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">372,103</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">(271,087)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">101,016</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">14.8%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Transportation equipment</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">10,239</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">(7,685)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">2,554</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">9.9%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">10,319</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">(7,350)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">2,969</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">9.9%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">31,736</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">(14,305)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">17,431</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">6.7%</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">31,232</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">(13,813)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">17,419</FONT></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 7.5pt">6.7%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,020</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(205)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,815</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4.9%</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,618</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(331)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,287</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4.9%</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">608,969</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(341,500)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">267,469</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">10.6%</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">602,345</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(334,094)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">268,251</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">11.2%</P></TD></TR>
  </TABLE>

<!-- 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->50<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><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="padding-right: 3pt; white-space: nowrap; width: 28%; font-family: Georgia,serif; text-align: center; padding-left: 3pt">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; width: 12%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="padding-right: 3pt; width: 11%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; width: 13%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; width: 12%; padding-left: 3pt">
    <P STYLE="font: 7.5pt 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: 3pt; white-space: nowrap; width: 12%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; width: 12%; padding-left: 3pt">
<DIV STYLE="margin-right: 5.65pt; margin-left: 0cm; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Land</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">94,213</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">94,213</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font: 9pt Univers,sans-serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Buildings</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">45,347</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">707</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(20)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(514)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">45,520</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Equipment</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">101,016</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">11,172</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(1,761)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(110)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(10,381)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">99,936</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Transportation equipment</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">2,969</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(80)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(335)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">2,554</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">17,419</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">635</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">54</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(40)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(637)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">17,431</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,287</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">439</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">119</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(30)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,815</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">268,251</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">12,873</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,608)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(150)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(11,897)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">267,469</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>

<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: 3pt; white-space: nowrap; width: 28%; font-family: Georgia,serif; text-align: center; padding-left: 3pt">&nbsp;</TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; width: 12%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2019</B></P></TD>
    <TD STYLE="padding-right: 3pt; width: 11%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; width: 13%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; width: 12%; padding-left: 3pt">
    <P STYLE="font: 7.5pt 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: 3pt; white-space: nowrap; width: 12%; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; width: 12%; padding-left: 3pt">
<DIV STYLE="margin-right: 5.65pt; margin-left: 0cm; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Land</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">92,962</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">92,962</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font: 9pt Univers,sans-serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 7.5pt">Buildings</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">41,705</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">1,157</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(189)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(562)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">42,111</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Equipment</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">152,273</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">17,351</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(50)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(53)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(14,310)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">155,211</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Transportation equipment</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">1,984</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">299</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">891</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(289)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">2,885</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">18,219</FONT></TD>
    <TD STYLE="padding-right: 3pt; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">902</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(1,365)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(10)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">(603)</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">17,143</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,250</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">957</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">97</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(30)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,274</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3pt; white-space: nowrap; font-family: Georgia,serif; text-align: justify; padding-left: 3pt"><FONT STYLE="font-size: 7.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">314,393</P></TD>
    <TD STYLE="padding-right: 3pt; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">20,666</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(616)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(63)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(15,794)</P></TD>
    <TD STYLE="padding-right: 3pt; white-space: nowrap; padding-left: 3pt">
    <P STYLE="font: 7.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">318,586</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<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;</P>


<!-- 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->51<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 9.5pt"><B>16</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt"><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="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt"><B>&nbsp;Borrowings and financing outstanding balance</B></FONT></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 53%; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt"><B>Financial institution</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 7%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 8%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 8%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center"><B>Total</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 8%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 7%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center"><B>Total</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt"><B>Local currency</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;12th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">45,450</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">135,733</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">181,183</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">45,450</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">158,425</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">203,875</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;14th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">41,755</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">41,755</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">51,873</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">24,205</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">76,078</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;17th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">96,518</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">96,187</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">192,705</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">91,850</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">183,335</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">275,185</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;18th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">47,194</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">124,460</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">171,654</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">45,918</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">135,105</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">181,023</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;21st issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">174,789</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">174,789</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">175,000</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">174,769</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">349,769</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;22nd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">200,000</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">491,022</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">691,022</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">99,969</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">678,149</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">778,118</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;23rd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">864,728</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">864,728</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">864,678</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">864,678</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;24th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">434,681</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">434,681</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">414,994</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">414,994</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;25th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,446,945</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,446,945</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,442,610</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,442,610</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;26th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,099,106</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,099,106</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,047,767</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,047,767</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;27th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">997,168</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">997,168</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">997,000</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">997,000</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">94,940</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,358,256</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,453,196</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">90,382</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,324,459</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,414,841</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES PAC</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">13,394</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">13,352</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">26,746</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">13,185</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">20,247</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">33,432</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES PAC II 9751</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">7,161</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">33,877</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">41,038</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">7,159</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">37,447</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">44,606</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES PAC II 9752</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">4,851</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">23,044</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">27,895</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">4,851</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">25,470</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">30,321</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES ONDA LIMPA</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">26,751</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">73,449</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">100,200</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">26,751</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">86,809</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">113,560</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Brazilian Development Bank &#8211; BNDES TIET&Ecirc; III</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">86,823</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">499,116</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">585,939</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">86,823</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">542,519</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">629,342</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES 2015</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">33,558</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">437,405</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">470,963</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">33,558</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">454,126</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">487,684</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Brazilian Development Bank - BNDES 2014</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">6,524</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">26,111</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">32,635</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">5,143</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">23,017</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">28,160</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Inter-American Development Bank &#8211; IDB 2202 </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">2,434,600</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">2,615,949</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">2,524,798</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">2,706,147</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Inter-American Development Bank &#8211; IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">853,578</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">943,208</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">44,815</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">898,060</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">942,875</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">34,940</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">379,514</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">414,454</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">28,847</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">399,896</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">428,743</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">61,225</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">58,866</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">120,091</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">36,576</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">9,300</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">45,876</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">4,039</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">9,362</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">13,401</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">3,778</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">11,382</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">15,160</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Interest and other charges</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">250,959</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">250,959</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">158,918</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">158,918</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt"><B>Total in local currency</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,948,795</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,443,615</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,392,410</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,674,805</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">11,035,957</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,710,762</P></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Georgia,serif; margin: 0">&nbsp;</P>


<!-- 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->52<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt 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; text-align: left; white-space: nowrap; font-family: Georgia,serif; vertical-align: bottom; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;<B>Borrowings and financing outstanding balance</B></FONT></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; text-align: center; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; text-align: center; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; text-align: left; white-space: nowrap; width: 53%; font-family: Georgia,serif; vertical-align: bottom; padding-left: 5pt"><FONT STYLE="font-size: 8pt"><B>Financial institution</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; text-align: center; white-space: nowrap; width: 7%; vertical-align: bottom; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; text-align: center; white-space: nowrap; width: 8%; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="padding-right: 5pt; text-align: center; white-space: nowrap; width: 8%; vertical-align: bottom; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center"><B>Total</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; text-align: center; white-space: nowrap; width: 9%; vertical-align: bottom; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; text-align: center; white-space: nowrap; width: 8%; vertical-align: bottom; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="padding-right: 5pt; text-align: center; white-space: nowrap; width: 7%; vertical-align: bottom; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: center"><B>Total</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt"><B>Foreign currency</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Inter-American Development Bank - IDB 1212 &#8211; US$ 46,251 thousand (US$ 51,390 thousand in December 2020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">51,413</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">179,946</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">231,359</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">53,412</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">213,649</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">267,061</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Inter-American Development Bank - IDB 4623 &#8211; US$ 19,053 thousand (US$ 10,220 thousand in December 2020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">84,963</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">84,963</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">46,474</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">46,474</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;International Bank for Reconstruction and Development (IBRD) &#8211; IBRDs 7662 and 8906 - US$ 79,752 thousand (US$ 82,792 thousand in December 2020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">362,195</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">392,607</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">31,594</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">393,949</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">425,543</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;JICA 15 &#8211; &yen; 9,795,655 thousand (&yen; 10,371,870 thousand in December 2020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">51,917</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">389,377</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">441,294</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">58,117</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">464,936</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">523,053</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;JICA 18 &#8211; &yen; 8,807,360 thousand (&yen; 9,325,440 thousand in December 2020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">46,679</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">349,921</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">396,600</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">52,253</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">417,846</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">470,099</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;JICA 17 &#8211; &yen; 3,361,541 thousand (&yen; 3,349,203 thousand in December 2020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">10,444</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">140,122</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">150,566</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">11,260</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">156,738</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">167,998</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;JICA 19 &#8211; &yen; 29,016,288 thousand (&yen; 29,923,047 thousand in December 2020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">81,699</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,223,662</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,305,361</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">91,456</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,415,683</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">1,507,139</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;IDB 1983AB &#8211; US$ 15,385 thousand (US$ 23,077 thousand in December 2020)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">38,478</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">37,680</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">76,158</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">39,975</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">78,943</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8pt">118,918</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt">&nbsp;Interest and other charges</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">17,310</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">17,310</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">21,577</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">21,577</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt"><B>Total in foreign currency</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">328,352</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,767,866</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,096,218</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">359,644</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,188,218</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,547,862</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8pt"><B>Total borrowings and financing</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">3,277,147</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">13,211,481</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">16,488,628</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">3,034,449</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">14,224,175</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">17,258,624</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0"><I>&nbsp;</I></P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0">Exchange rate as of June 30, 2021: US$ 5.0022; &yen;&nbsp;0.04505 (as of December
    31, 2020: US$ 5.1967; &yen; 0.05043).</P>
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0">As of June 30, 2021, the Company did not have balances of borrowings and financing
    raised during the year, maturing in up to 12 months.</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt">&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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->53<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 2pt Georgia,serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt 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: 50%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Local currency</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Guarantees</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 8%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Maturity</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 23%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual interest rate</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 10%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; 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; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">12th issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2025</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TR + 9.5% </FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">14th issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2022</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 1.92 % (series 1 and 3) and 9.19% (series 2)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">IPCA (series 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">17th issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2023</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">CDI + 0.75% (series 1), 4.5% (series 2), and 4.75% (series 3)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">18th issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2024</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 1.92 % (series 1 and 3) and 8.25% (series 2)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">IPCA (series 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">21st issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2022</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">CDI + 0.60% (series 1) and CDI+ 0.90% (series 2)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">22nd issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2025</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">CDI + 0.58% (series 1), CDI+ 0.90% (series 2), and 6.0% (series 3)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">IPCA (series 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">23rd issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2027</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">CDI + 0.49% (series 1) and CDI+ 0.63% (series 2)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">24th issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2029</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">3.20% (series 1) and 3.37% (series 2)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">25th issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">October 2021</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">CDI + 3.30%</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">26th issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2030</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">4.65% (series 1) and 4.95% (series 2)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">27th issue debentures</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2027</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">CDI + 1.60% (series 1), CDI+ 1.80% (series 2), and 2.25% (series 3)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2021/2042</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">5% to 9.5%</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">TR</FONT></TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Brazilian Development Bank - BNDES PAC</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2023</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 1.82% </FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Brazilian Development Bank - BNDES PAC II 9751</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2027</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Brazilian Development Bank - BNDES PAC II 9752</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2027</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Brazilian Development Bank - BNDES ONDA LIMPA</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2025</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 1.92%&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Brazilian Development Bank &#8211; BNDES TIET&Ecirc; III</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2028</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 1.66% </FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Brazilian Development Bank - BNDES 2015</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2035</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 2.18% </FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Brazilian Development Bank - BNDES 2014</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2026</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">TJLP + 1.76%</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Inter-American Development Bank &#8211; IDB 2202</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Government</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2035</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">CDI + 0.86%</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Inter-American Development Bank &#8211; IDB INVEST</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2034</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">CDI+ 1.90% and CDI 2.70%</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2035</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">7.73% to 10.12% </FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">IPC</FONT></TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2026</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">4.25% to 10.70%</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Other</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2025</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">3% (FEHIDRO) TJLP + 1.5% (FINEP)</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  </TABLE>
<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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<P STYLE="font: 11pt 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="padding-right: 5pt; white-space: nowrap; width: 50%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Foreign currency</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 10%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Guarantees</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 8%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Maturity</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 23%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual interest rate</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Exchange variation</B></P></TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Inter-American Development Bank - IDB 1212 &#8211; US$ 46,251 thousand</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Government</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2025</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">3.31% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Inter-American Development Bank - IDB 4623 &#8211; US$ 19,053 thousand</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2044</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1.12% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">International Bank for Reconstruction and Development (IBRD) &#8211; IBRDs 7662 and 8906 - <BR>
US$ 79,752 thousand</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2034</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2.85% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">JICA 15 &#8211; &yen; 9,795,655 thousand</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2029</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1.8% and 2.5%</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">JICA 18 &#8211; &yen; 8,807,360 thousand</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2029</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1.8% and 2.5%</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">JICA 17 &#8211; &yen; 3,361,641 thousand </FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2035</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1.2% and 0.01% </FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">JICA 19 &#8211; &yen; 29,016,288 thousand </FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2037</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1.7% and 0.01% </FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">IDB 1983AB &#8211; US$ 15,385 thousand</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2023</FONT></TD>
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2.08% to 2.38% (*)</FONT></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8pt">US$</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">(*) Rates comprising LIBOR + contractually defined spread.</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">&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt">(i)</FONT></TD><TD><FONT STYLE="font-size: 9.5pt">Payment schedule &#8211; accounting balances as of June 30, 2021</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: 28%; padding-left: 5pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2022</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt 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; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2025</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2026</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2027 to 2048 </B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 9%; padding-left: 5pt">
    <P STYLE="font: 7pt 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; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,521,488</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">588,241</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">687,467</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">925,030</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">491,488</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">383,807</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,698,215</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">6,295,736</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">46,860</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">97,413</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">91,691</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">90,804</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">96,486</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">102,525</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">927,417</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,453,196</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">89,531</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">179,062</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">172,323</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">165,668</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">145,490</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">135,671</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">397,671</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,285,416</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">90,674</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,618,530</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2,615,949</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">44,815</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">89,630</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">450,243</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">943,208</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">34,940</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">35,911</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">38411</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">41,810</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">38,687</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">28,290</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">196,405</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">414,454</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">33,385</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">49,504</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">23,424</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">7,630</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">5,068</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,080</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">120,091</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2,019</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">4,038</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">3,977</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,757</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,610</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">13,401</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">250,959</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">250,959</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,114,671</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,225,148</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,288,272</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,503,678</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,049,808</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">922,352</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">5,288,481</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">13,392,410</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">25,707</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">51,413</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">51,413</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">51,413</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">53,921</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">5,016</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">77,439</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">316,322</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">15,206</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">30,412</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">225,341</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">392,607</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">95,370</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">190,739</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,244,756</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2,293,821</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">38,478</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">37,680</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">76,158</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">17,310</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">17,310</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">153,593</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">311,042</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">310,244</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">272,564</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">275,072</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">226,167</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,547,536</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">3,096,218</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">2,268,264</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">1,536,190</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">1,598,516</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">1,776,242</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">1,324,880</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">1,148,519</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">6,836,017</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">16,488,628</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 58 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><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 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"><FONT STYLE="font-size: 9.5pt">(ii)</FONT></TD><TD><FONT STYLE="font-size: 9.5pt">Changes</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 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: 23%; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 6%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 7%; padding-left: 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="padding-right: 5pt; width: 6%; padding-left: 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="padding-right: 5pt; width: 6%; padding-left: 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="padding-right: 5pt; width: 6%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Monetary and exchange variation</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 7%; padding-left: 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 variation and incorporated interest- Capitalized</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 6%; padding-left: 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="padding-right: 5pt; white-space: nowrap; width: 7%; padding-left: 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="padding-right: 5pt; width: 7%; padding-left: 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="padding-right: 5pt; width: 7%; padding-left: 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="padding-right: 5pt; width: 6%; padding-left: 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="padding-right: 5pt; white-space: nowrap; width: 6%; padding-left: 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, 2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">6,756,504</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(867)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">95,382</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(89,796)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(437,780)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">123,693</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">33,361</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">8,136</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">6,488,633</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,418,832</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">84,254</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(55,955)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(45,904)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">36,008</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">20,074</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,457,309</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">BNDES</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,370,902</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">7,136</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(41,793)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(88,956)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">7,902</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">33,473</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">128</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,288,792</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,730,195</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(40,708)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(90,674)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">19,368</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">29,920</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">478</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,648,579</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">944,513</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(7,758)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">24,044</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">332</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">961,131</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">428,743</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(40,201)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(14,290)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">40,201</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">414,453</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">45,876</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">103,521</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(2,790)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(40,044)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">13,529</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">120,092</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">15,197</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(352)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,760)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">324</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">12</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,421</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,710,762</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">103,521</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">91,390</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(867)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">95,382</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(279,353)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(719,408)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">265,069</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">116,840</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,074</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,392,410</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IDB 1212</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">270,804</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(8,591)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(4,149)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(27,111)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">3,325</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">234,278</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IDB 4623</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">46,498</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">47,593</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(3,796)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(5,393)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(324)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">440</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">85</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">85,103</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IBRD</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">426,860</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(1,733)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(14,239)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(1,375)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(17,070)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">675</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">105</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">393,223</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">JICA</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,684,321</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">9,335</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(274,159)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,870</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(25,450)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(111,609)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">19,797</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">3,001</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">97</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,307,203</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IDB 1983AB</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">119,379</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,361)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,617)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(40,606)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,123</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">285</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">208</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">76,411</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,547,862</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">56,928</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,529)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(304,743)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,870</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(32,915)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(196,396)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">25,360</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,286</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">495</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,096,218</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><I>Total</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">17,258,624</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">103,521</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">148,318</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(6,396)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(209,361)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,870</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(312,268)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(915,804)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">290,429</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">120,126</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">9,569</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">16,488,628</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>


<!-- 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->57<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 22%; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 6%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2019</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 6%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Foreign/local currency translation</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 7%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Addition (lease)</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 5%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Funding</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 5%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Borrowing costs</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 6%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Monetary and exchange variation</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 7%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Inflation adjustment / exchange
    variation and incorporated interest- Capitalized</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 5%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest paid</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 7%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Amortization</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 7%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Accrued interest</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 6%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center"><B>Accrued interest and </B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center"><B>rates - Capitalized</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 5%; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Expenses with borrowing costs</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 6%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center"><B>June</B></P>
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0; text-align: center"><B>30, 2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Debentures</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">3,711,228</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,462,640</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(13,551)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">8,505</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(108,961)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(516,816)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">88,678</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">9,129</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,760</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">4,643,612</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,429,250</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">33,129</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(56,252)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(41,531)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">37,297</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">18,921</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,420,814</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">BNDES</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,201,411</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">210,000</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(40,078)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(67,740)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">26,225</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">13,699</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">129</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,343,646</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,063,069</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">10,255</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">5,561</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">80</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,078,965</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">459,671</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(27,662)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(13,486)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">26,488</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">445,011</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Leases</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">74,453</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">23,346</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(3,222)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(28,350)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,465</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">68,692</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,898</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,896</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(305)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(750)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">295</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,048</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,885,911</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,063,069</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">23,346</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,709,665</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,551)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,505</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(236,480)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(668,673)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">191,703</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">47,324</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,969</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,013,788</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IDB</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,316,190</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(2,063,069)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">859,110</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">48,246</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(39,415)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(93,424)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">6,270</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">24,695</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">398</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,059,001</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IBRD</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">357,880</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(352)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">125,533</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,217</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(5,159)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(14,950)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">5,209</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">752</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">65</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">470,195</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">Eurobonds</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,413,956</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">505,855</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(62,722)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">58,388</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">5,780</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">412</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">1,921,669</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">JICA</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,106,908</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">22,869</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(67)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">742,556</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">8,310</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(19,188)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">(87,650)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">19,777</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">3,247</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">95</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">2,796,857</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt">IDB 1983AB</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">163,864</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(152)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">65,524</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,092)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(103,482)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,333</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">423</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">433</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">125,851</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,358,798</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,063,069)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt 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; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">22,869</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(571)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,298,578</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">57,773</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(131,576)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(299,506)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">93,977</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34,897</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,403</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,373,573</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 6.5pt"><I>Total</I></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">13,244,709</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">23,346</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,732,534</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(14,122)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,307,083</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">57,773</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(368,056)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(968,179)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">285,680</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">82,221</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,372</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 6.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">16,387,361</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 10pt Georgia,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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 19.2pt"><FONT STYLE="font-size: 9.5pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Main events in the six months ended June 30, 2021</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.85pt"><FONT STYLE="font-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>Debentures</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">In the first quarter of 2021, the Company amortized
the first installment of series 3 of the 17th issue debentures, totaling R$&nbsp;91.7 million, and series 1 of the 22nd issue debentures,
totaling R$&nbsp;100.0 million.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">In the second quarter of 2021, it amortized series
2 of the 21st issue debentures, totaling R$&nbsp;175.0 million.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.85pt"><FONT STYLE="font-size: 10pt"><B>(ii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>IDB</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">In the first quarter of 2021, the Company raised
R$&nbsp;17.8 million, referring to another installment of contract IDB 4623, and amortized R$ 90.7 million, referring to contract IDB
2202.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">In the second quarter of 2021, the Company raised
R$&nbsp;29.8 million, referring to another installment of contract IDB 4623.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.85pt"><FONT STYLE="font-size: 10pt"><B>(iii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 9.5pt"><B>JICA</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">In the first quarter of 2021, the Company amortized
R$&nbsp;102.8 million, referring to contracts JICA 15, 18, and 19.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">(b)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Lease</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">The Company has lease agreements signed as Assets
Lease. During the construction period, work costs are capitalized to contract asset and the lease amount is recorded at the same proportion.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">After startup, the lease payment period starts
(240 monthly installments) and the amount is periodically restated by the contracted price index.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">The amounts payable for the right of use of assets
are also recorded in this line (Note 14 (j))</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 9.5pt"><B>(c)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Covenants</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">The table below shows the most restrictive covenants
as of June 30, 2021.</P>

<P STYLE="font: 9.5pt 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%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 34%">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Covenants</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Adjusted EBITDA / Adjusted Financial Expenses</FONT></TD>
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Equal to or higher than 2.80</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Adjusted Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Equal to or lower than 3.80</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total Adjusted Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Lower than 3.65</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other Onerous Debt <SUP>(1)</SUP> / Adjusted EBITDA</FONT></TD>
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Equal to or lower than 1.30</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Adjusted Current Liquidity</FONT></TD>
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Higher than 1.00</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">EBITDA / Financial Expenses Paid</FONT></TD>
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Equal to or higher than 2.35</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Equal to or lower than 3.50</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="font: 9.5pt Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">(1) The contractual definition of &#8220;Other Onerous Debts&#8221; corresponds 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></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; text-align: justify; margin-top: 5.25pt; margin-bottom: 0">As of June 30, 2021 and December 31, 2020, the Company met the requirements
set forth by its borrowings and financing agreements.</P>

<P STYLE="font: 10pt Georgia,serif; margin: 5.25pt 20.75pt 0 49pt">&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">(d)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Borrowings and financing - credit limited</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: 68%">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Agent</B></P></TD>
    <TD STYLE="width: 3%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 29%">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 8.5pt">(in millions of <BR>
Brazilian reais (*))</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="vertical-align: top; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,430</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Brazilian Development Bank (BNDES) </FONT></TD>
    <TD STYLE="vertical-align: top; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">701</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Japan International Cooperation Agency (JICA)</FONT></TD>
    <TD STYLE="vertical-align: top; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">68</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Inter-American Development Bank (IDB)</FONT></TD>
    <TD STYLE="vertical-align: top; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,405</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">International Bank for Reconstruction and Development (IBRD) </FONT></TD>
    <TD STYLE="vertical-align: top; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,247</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other</FONT></TD>
    <TD STYLE="vertical-align: top; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">51</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">TOTAL</FONT></TD>
    <TD STYLE="vertical-align: top; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,902</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; text-align: justify; margin-top: 0; margin-bottom: 0">(*) Brazilian Central Bank&#8217;s exchange rate as of June 30, 2021 (US$ 1.00
= R$ 5.0022; &yen; 1.00 = R$ 0.04505).</P>

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

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


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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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">17</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Taxes and contributions</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Current assets</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: 44%; padding-left: 5pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 28%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 28%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Frutiger Light,serif; padding-left: 5pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt"><B>Recoverable taxes</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Frutiger Light,serif; padding-left: 5pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">35,824</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Withheld income tax (IRRF) on financial investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">4,595</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">4,391</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Other federal taxes</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,152</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">18,281</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">43,571</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">22,672</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0.05pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(b)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Current liabilities</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify; text-indent: -17.55pt"><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="padding-right: 5pt; white-space: nowrap; width: 44%; padding-left: 5pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 28%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 28%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt"><B>Taxes and contributions payable</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">75,125</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">69,041</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">101,102</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">93,601</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">INSS (social security contribution)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">38,690</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">37,599</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">IRRF (withholding income tax)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">10,703</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">21,287</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">32,449</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">45,291</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">258,069</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">266,819</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>


<!-- Field: Page; Sequence: 63 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->61<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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 Georgia,serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.5pt"><FONT STYLE="font-size: 9.5pt"><B>18</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Deferred taxes and contributions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(a)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Statement of financial position details</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="padding-right: 5pt; white-space: nowrap; width: 53%; padding-left: 5pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 24%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 23%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt"><B>Deferred tax assets </B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Provisions</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-size: 8.5pt">448,055</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-size: 8.5pt">436,445</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 10pt Frutiger Light,serif; padding-left: 5pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">152,568</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">154,498</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">48,800</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">50,142</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">173,324</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">155,719</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">120,465</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">134,932</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total deferred tax asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">943,212</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">931,736</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(380,793)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(388,675)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(385,843)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(390,211)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(355,618)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(356,513)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Actuarial gain &#8211; G1 Plan </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(48,979)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(48,979)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(47,461)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(48,843)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(16,268)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(19,231)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total deferred tax liabilities</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,234,962)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,252,452)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(291,750)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(320,716)</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 11pt Georgia,serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 10pt"><B>(b)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><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%; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt"><B>Deferred tax assets</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Net</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>change</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Provisions</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">436,445</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">11,610</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-size: 8.5pt">448,055</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">154,498</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,930)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">152,568</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">50,142</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,342)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">48,800</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">155,719</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">17,605</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">173,324</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">134,932</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(14,467)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">120,465</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">931,736</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">11,476</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">943,212</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(388,675)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">7,882</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(380,793)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(390,211)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">4,368</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(385,843)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(356,513)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">895</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(355,618)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Actuarial gain &#8211; G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(48,979)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(48,979)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(48,843)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,382</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(47,461)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(19,231)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,963</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(16,268)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,252,452)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">17,490</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,234,962)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(320,716)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">28,966</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(291,750)</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="width: 49%; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt"><B>Deferred tax assets</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2019</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Net</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>change</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Provisions</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">366,673</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(14,763)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-size: 8.5pt">351,910</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">157,998</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,995)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">156,003</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">51,818</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,061)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">50,757</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">145,622</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">29,579</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">175,201</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">183,147</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(24,254)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">158,893</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">905,258</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(12,494)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">892,764</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt"><B>Deferred tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(408,732)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">10,260</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(398,472)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(409,236)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">10,525</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(398,711)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(372,289)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">12,226</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(360,063)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Actuarial gain &#8211; G1</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(54,222)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(54,222)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(83,399)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">33,174</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(50,225)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(11,376)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,316</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(10,060)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,339,254)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">67,501</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,271,753)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(433,996)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">55,007</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(378,989)</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(c)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Reconciliation of the effective tax rate</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; text-align: justify; margin-top: 0; margin-bottom: 0">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="white-space: nowrap; width: 40%; padding-left: 2.85pt; text-align: center; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 5.65pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Profit/(loss) before income taxes</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,148,031</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,898,646</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">517,091</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(460,166)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Statutory rate</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Estimated expense at the statutory rate</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(390,331)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(645,540)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(175,811)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">156,456</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Benefit of interest on capital</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">13,874</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">13,874</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">48,009</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">48,009</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Permanent differences</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Provision Law 4,819/1958 &#8211; G0 (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(5,651)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(11,927)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(9,669)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(19,764)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Donations</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,308)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(3,675)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,156)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(5,930)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Other differences</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,437</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">18,532</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">696</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,609</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(374,979)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(628,736)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(138,931)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">180,380</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Current income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(374,219)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(657,702)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(107,351)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">125,373</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Deferred income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">760</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">28,966</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(31,580)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">55,007</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; text-align: justify; font-family: Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Effective rate</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">33%</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">33%</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">27%</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">39%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 9.5pt Georgia,serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 16.1pt">(i)</TD><TD>Permanent difference related to the provision for the actuarial liability (Note 21 (ii)).</TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">19</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Provisions</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Lawsuits and proceedings that resulted in provisions</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: italic bold 13pt Arial,sans-serif; text-align: justify; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">(I)</FONT><FONT STYLE="font-family: Times New Roman; font-size: 7pt; font-style: normal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Statement of financial position details</FONT></P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 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 3.14 to the Annual Financial Statements
as of December 31, 2020. The terms and payment amounts are defined based on the outcome of these lawsuits.</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 30%">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 11%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 11%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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 STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 12pt Arial,sans-serif"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">161,519</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(10,439)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">151,080</FONT></TD>
    <TD STYLE="font: 12pt Arial,sans-serif; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">160,705</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(10,553)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">150,152</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">362,824</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(865)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">361,959</FONT></TD>
    <TD STYLE="font: 12pt Arial,sans-serif; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">410,734</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(358)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">410,376</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">88,976</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(2,499)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">86,477</FONT></TD>
    <TD STYLE="font: 12pt Arial,sans-serif; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">86,083</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(2,505)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">83,578</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">69,091</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(14,746)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">54,345</FONT></TD>
    <TD STYLE="font: 12pt Arial,sans-serif; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">59,678</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(2,410)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">57,268</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">354,070</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(15,286)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">338,784</FONT></TD>
    <TD STYLE="font: 12pt Arial,sans-serif; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">316,880</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(15,503)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">301,377</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">281,327</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(32)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">281,295</P></TD>
    <TD STYLE="font: 12pt Arial,sans-serif; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">249,582</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(31)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">249,551</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,317,807</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(43,867)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,273,940</P></TD>
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,283,662</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(31,360)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,252,302</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Current</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">725,792</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">725,792</FONT></TD>
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">760,209</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">760,209</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">592,015</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">(43,867)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">548,148</FONT></TD>
    <TD STYLE="padding-left: 2.85pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">523,453</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(31,360)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">492,093</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<P STYLE="font: italic bold 13pt Arial,sans-serif; text-align: left; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">(II)</FONT><FONT STYLE="font-family: Times New Roman; font-size: 7pt; font-style: normal">&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Changes</FONT></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="padding-right: 5pt; width: 29%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additional provisions</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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="padding-right: 5pt; width: 11%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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="padding-right: 5pt; width: 12%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">160,705</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">22,820</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">13,885</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(16,717)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(19,174)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">161,519</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">410,734</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8,964</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">21,817</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(39,309)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(39,382)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">362,824</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">86,083</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">2,208</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5,750</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2,187)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2,878)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">88,976</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">59,678</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6,071</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">4,406</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1,064)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">69,091</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">316,880</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">54,665</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">19,205</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(20,470)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(16,210)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">354,070</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">249,582</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">19,417</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">21,590</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(9,262)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">281,327</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,283,662</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">114,145</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">86,653</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(78,683)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(87,970)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,317,807</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(31,360)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,991)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,370)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,018</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">836</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(43,867)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,252,302</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">100,154</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">84,283</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(75,665)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(87,134)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,273,940</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>


<!-- 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->65<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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; width: 29%; font-family: Georgia,serif; text-align: center; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2019</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additional provisions</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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="padding-right: 5pt; width: 11%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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="padding-right: 5pt; width: 12%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 12%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 30,</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">253,665</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6,240</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">9,054</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(73,380)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(41,841)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">153,738</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">153,654</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">74,383</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8,073</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(35,535)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(734)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">199,841</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">93,910</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">7,297</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5,247</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(16,981)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(5,994)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">83,479</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">59,143</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,496</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,139</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(75)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1,764)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">59,939</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">325,129</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">28,126</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">20,092</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(34,736)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(19,939)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">318,672</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">192,950</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">17,731</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,369</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,690)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">219,360</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,078,451</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">135,273</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">53,974</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(160,707)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(71,962)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,035,029</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(42,643)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(6,903)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(833)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14,539</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5,587</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(30,253)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,035,808</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">128,370</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">53,141</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(146,168)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(66,375)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,004,776</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 10pt"><B>(b)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Lawsuits deemed as contingent liabilities</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 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 STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 46%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 27%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 27%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">155,798</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">110,508</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,524,686</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,350,308</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">774,145</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">758,800</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,349,213</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,253,636</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,057,355</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,005,648</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">6,468,677</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">5,981,837</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">11,329,874</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">10,460,737</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 7.55pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(c)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Explanation on the nature of main classes of lawsuits</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-size: 10pt"><B>(i)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Customer claims </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">Approximately 750 lawsuits (690 as of December 31,
2020) were filed by commercial customers, who claim that their tariffs should correspond to those of the other customer categories, and
320 lawsuits (310 as of December 31, 2020) in which customers claimed a reduction in the sewage tariff due to losses in the system, consequently
requesting the refund of amounts charged by the Company, and 30 lawsuits (30 as of December 31, 2020) in which customers plead the reduction
in tariff under the category &#8220;Social Welfare Entity&#8221;.</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(ii)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Supplier claims</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">Include lawsuits filed by some suppliers alleging underpayment
of monetary adjustments and economic and financial imbalance of the agreements, and are in progress at different courts.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Georgia,serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-size: 10pt; font-style: normal">(iii)</FONT></TD><TD><FONT STYLE="font-size: 9.5pt; font-style: normal">Other civil claims</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">Refer mainly to indemnities for property damage, pain
and suffering, and loss of profits allegedly caused to third parties, such as vehicle accidents, claims, challenges on the methodology
to collect tariffs, among others, filed at different court levels.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(iv)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Tax claims</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 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, which were accrued while others were deemed as contingent liabilities.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(v)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Labor claims</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">The Company is a party to several labor lawsuits, involving
issues such as overtime, shift schedule, health hazard premium and hazardous duty premium, prior notice, change of function, salary equalization,
service outsourcing, and others, which are at various court levels.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(vi)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Environmental claims</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 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 provision of fines for non-compliance,
and imposition of compensation for environmental damages allegedly caused by the Company.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(d)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Guarantee insurance</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">As of May 25, 2020, the Company renewed the
insurance for policy issuance, thus contracting guarantee insurance for escrow deposit, totaling R$ 500.000, for one year. The purpose
of such insurance is to settle legal claims given that instead of immediately disbursing cash, the Company uses the insurance until the
conclusion of these proceedings. The guarantee insurance can be used in up to five years.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">From April to June 2021, the Company used
R$ 7,456 (R$ 69,771 from April to June 2020).</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0.05pt 21.15pt 0 48.95pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">Until June 2021, the Company used R$ 3,893
of the contract in effect, thus remaining R$ 496,107.</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.4pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">20</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Labor liabilities and pension plan obligations</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%; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 24%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 24%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Salaries and payroll charges</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">34,432</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">53,107</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Provision for vacation</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">231,857</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">207,906</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Provision for Christmas bonus</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">49,204</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Healthcare plan (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">49,290</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">45,768</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Provision for profit sharing (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">44,462</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">91,209</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Consent Decree (TAC)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6,982</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">8,978</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Knowledge Retention Program (PRC)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,904</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,975</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">418,131</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">410,943</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-size: 10pt"><B>(i)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Healthcare plan</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">Benefits are paid after the event, free of choice,
and are sponsored by the contributions of SABESP and the employees. In the second quarter of 2021, the Company contributed 7.8%, on average,
of gross payroll, totaling R$&nbsp;54,881 (9.4% in the second quarter of 2020, totaling R$&nbsp;58,670).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-size: 10pt"><B>(ii)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Profit sharing</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">The profit-sharing program was implemented according
to an agreement with the labor union. Payment corresponds to up to one month's salary for each employee, depending on the performance
of goals reached from January to December, and should be paid in the subsequent year.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 9.45pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.45pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">21</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Pension plan obligations</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 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). See the reconciliation of expenses with such plans in item (v).</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify"><B><U>Defined benefit plans</U></B></P>

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

<P STYLE="font: 9.5pt Georgia,serif; text-align: justify; margin-top: 5.25pt; margin-bottom: 0"><B>Summary of pension plan obligations </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: 55%; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Pension plan obligations as of December 31, 2020</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(319,053)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2,549,541)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2,868,594)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Expenses recognized in 2021</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(11,623)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(79,107)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(90,730)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Payments made in 2021</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">17,572</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">82,975</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">100,547</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Pension plan obligations as of June 30, 2021</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(313,104)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,545,673)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,858,777)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 70 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->68<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 55%">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Pension plan obligations as of December 31, 2019</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(314,677)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(3,046,255)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(3,360,932)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Expenses recognized in 2020</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(12,482)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(103,131)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(115,613)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Payments made in 2020</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">18,721</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">84,726</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">103,447</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Pension plan obligations as of June 30, 2020</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(308,438)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(3,064,660)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(3,373,098)</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(i)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">G1 Plan </FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 5.25pt; margin-bottom: 0; text-align: justify">Managed by SABESPREV, the defined benefit
plan (&#8220;G1 Plan&#8221;) receives similar contributions established in a plan of subsidy of actuarial study of SABESPREV, as follows:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.45pt"><FONT STYLE="font-family: Symbol; font-size: 9.5pt">&middot;</FONT></TD><TD><FONT STYLE="font-size: 9.5pt">0.99% of the portion of the salary of participation up to 20 salaries; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.45pt"><FONT STYLE="font-family: Symbol; font-size: 9.5pt">&middot;</FONT></TD><TD><FONT STYLE="font-size: 9.5pt">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: 9.5pt Georgia,serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(ii)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">G0 Plan </FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">According to State Law 4,819/1958, employees
who started providing services before May 1974 and retired as an employee of the Company 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 as accounts receivable from shareholders,
limited to the amounts considered virtually certain to be reimbursed by the S&atilde;o Paulo State.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-size: 10pt; font-style: normal">(iii)</FONT></TD><TD><FONT STYLE="font-size: 9.5pt; font-style: normal">Sabesprev Mais Plan </FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">Since December 31, 2019, the &#8220;Sabesprev
Mais&#8221; Defined Contribution Plan, managed by SABESPREV, has not been accepting any new adhesions and, since January 1, 2020, new
employees have the option to join Funda&ccedil;&atilde;o CESP&#8217;s Defined Contribution Plan (VIVEST) Defined Contribution Plan, as
well as those who did not join the Sabesprev Mais Plan.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">The sponsor's contributions correspond to
the result obtained by applying a percentage of 100% on the basic contribution made by the participant.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(iv)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">VIVEST Plan</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">Defined Contribution Plan administered by
VIVEST. The sponsor's contributions correspond to the result obtained by applying a percentage of 100% on the basic contribution made
by the participant.</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(v)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Reconciliation of expenditures with pension plan obligations
</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="vertical-align: top; width: 40%; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 10%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 12%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 19%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; width: 19%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: justify; padding-left: 5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">G1 Plan (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5,812</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">11,623</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">6,241</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">12,482</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">G0 Plan (ii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">39,553</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">79,107</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">51,566</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">103,131</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Sabesprev Mais Plan (iii)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5,604</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">10,890</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">5,475</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">10,894</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">VIVEST Plan (iv)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">32</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">58</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">15</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">51,001</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">101,678</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">63,296</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">126,522</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Capitalized</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1,064)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2,058)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(1,222)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(2,562)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Reimbursement of additional retirement and pension benefits paid (G0)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(22,934)</FONT></TD>
    <TD STYLE="padding-right: 5pt; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(44,027)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(23,127)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">(45,003)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,257</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,472</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,197</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,408</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Pension plan obligations (Note 27)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">28,260</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">58,065</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">40,144</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">82,365</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0.05pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">22</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Services payable</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 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. This line also includes the amounts payable related to the transfer of 7.5% of revenue from the S&atilde;o Paulo municipal
government to the Municipal Fund for Environmental Sanitation and Infrastructure. The balances as of June 30, 2021 and December 31, 2020,
were R$ 496,535 and R$ 453,750, respectively.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.45pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">23</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Equity</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 20.85pt"><FONT STYLE="font-size: 10pt"><B>(a)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>Share capital</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">As of June 30, 2021 and December 31, 2020, 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: 9.5pt 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; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>June 30, 2021</B></P></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 8.5pt 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="white-space: nowrap; width: 9%">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>%</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 8.5pt 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="white-space: nowrap; width: 9%">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>%</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&nbsp;S&atilde;o Paulo State </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">343,507,729</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">50.3</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">343,507,729</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">50.3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&nbsp;Other shareholders </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;In Brazil <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">237,793,046</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">34.8</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">254,868,646</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">37.3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&nbsp;&nbsp;&nbsp;Abroad <SUP>(2) (3)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">102,209,094</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">14.9</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">85,133,494</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">12.4</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-left: 5.65pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&nbsp;Total</FONT></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">683,509,869</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">100.0</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 4.8pt 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">683,509,869</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8.5pt 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 Georgia,serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 16.5pt"><FONT STYLE="font-size: 9.5pt">(1)</FONT></TD><TD STYLE="padding-right: 21.25pt"><FONT STYLE="font-size: 9.5pt">As of June 30, 2021, the common shares traded in Brazil were held by
46,916 shareholders. It includes six shares held by Cia Paulista de Parcerias &#8211; CPP, a company controlled by the S&atilde;o Paulo
State.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 16.5pt"><FONT STYLE="font-size: 9.5pt">(2)</FONT></TD><TD STYLE="padding-right: 21.25pt"><FONT STYLE="font-size: 9.5pt">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>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 16.5pt"><FONT STYLE="font-size: 9.5pt">(3)</FONT></TD><TD STYLE="padding-right: 21.25pt"><FONT STYLE="font-size: 9.5pt">Each ADR corresponds to 1 share.</FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->70<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 20.8pt"><FONT STYLE="font-family: Georgia,serif; font-size: 10pt; font-style: normal">(b)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Interest on capital</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">The Annual Shareholders&#8217; Meeting of April
29, 2021 approved the distribution of dividends as interest on capital totaling R$ 231,163, corresponding to a minimum mandatory dividend
of R$ 40,806 as additional dividends, totaling<BR>
R$ 271,969, paid on June 28, 2021.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.45pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">24</FONT></TD><TD STYLE="text-align: justify; padding-right: 389.3pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Earnings
per share</FONT></TD></TR></TABLE>

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

<P STYLE="font: italic bold 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify"><FONT STYLE="font-style: normal">Basic
and diluted</FONT></P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 0; text-align: justify">The basic earnings/(loss) per share is calculated
by dividing the equity attributable to owners by the weighted average number of outstanding common shares during the year. The Company
does not have potentially dilutive common shares outstanding or debts convertible into common shares. Accordingly, basic and diluted earnings
per share are equal.</P>

<P STYLE="font: 10pt 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: 46%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 13%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 13%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9.5pt Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Profit/(loss) attributable to the Company&#8217;s owners</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 9.5pt Georgia,serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-size: 8.5pt">773,052</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-size: 8.5pt">1,269,910</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-size: 8.5pt">378,160</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 9.5pt Georgia,serif; padding-left: 5pt; text-align: right"><FONT STYLE="font-size: 8.5pt">(279,786)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9.5pt Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Weighted average number of common shares issued</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">683,509,869</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 0.5pt solid">683,509,869</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9.5pt Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 12pt Arial,sans-serif; padding-left: 5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9.5pt Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Basic and diluted earnings/(loss) per share (reais per share)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">1.13100</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">1.85793</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">0.55326</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2pt; text-align: right; border-bottom: Black 1.5pt double">(0.40934)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 73 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->71<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.25pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">25</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Operating segment information </FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 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: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0.05pt; margin-bottom: 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-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>April to June 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 41%; padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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: 20%; padding-left: 5pt">
    <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-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Gross operating revenue</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">3,881,211</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,022,904</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">4,904,115</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(308,196)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(308,196)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,573,015</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,022,904</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,595,919</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Arial,sans-serif; 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; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,700,057)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(999,906)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(3,699,963)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">872,958</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">22,998</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">895,956</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Other operating income / (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(899)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">4,161</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">248,813</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Income before income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,148,031</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(553,055)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(553,055)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 74 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->72<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 41%; padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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: 20%; padding-left: 5pt">
    <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-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">7,818,433</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2,046,209</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">9,864,642</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(591,306)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(591,306)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,227,127</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,046,209</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,273,336</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Arial,sans-serif; 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; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,290,922)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,000,204)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(7,291,126)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,936,205</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">46,005</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,982,210</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Other operating income / (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">9,778</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">12,215</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(105,557)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Income before income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,898,646</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(1,095,106)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(1,095,106)</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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->73<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>April to June 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 41%; padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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: 20%; padding-left: 5pt">
    <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-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">3,662,613</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,019,600</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">4,682,213</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(249,667)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(249,667)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,412,946</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,019,600</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">4,432,546</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Arial,sans-serif; 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; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,355,900)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(996,676)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(3,352,576)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,057,046</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">22,924</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,079,970</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Other operating income / (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">109,684</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">2,905</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(675,468)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Income before income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">517,091</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(498,546)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(498,546)</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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->74<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 41%; padding-left: 2.85pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 21%; padding-left: 5pt">
    <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%; padding-left: 5pt">
    <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: 20%; padding-left: 5pt">
    <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-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">7,466,490</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">1,541,020</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">9,007,510</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(532,614)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(532,614)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,933,876</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,541,020</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,474,896</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Arial,sans-serif; 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; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(4,892,785)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,505,441)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(6,398,226)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,041,091</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">35,579</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,076,670</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Other operating income / (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">112,437</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">6,480</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,655,753)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Income before income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(460,166)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(982,115)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8pt">(982,115)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify; padding-right: 21.1pt"><FONT STYLE="font-size: 9.5pt">See Note 31 for information on non-cash effect items
and Notes 13 and 14 for information on long-lived assets.</FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 21.1pt 0 62.8pt; text-align: justify; text-indent: 0cm">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify; padding-right: 21.1pt"><FONT STYLE="font-size: 9.5pt">Construction revenue and related costs are not reported
to the CODM. Revenue from construction is recognized in accordance with ICPC 01 (R1) / IFRIC 12 (Concession Agreements) and CPC 47/IFRS
15 (Revenue from Contracts with Customers), as all performance obligations are satisfied over time. See Note 14 (e) for further information.</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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">26</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Operating revenue</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 9.5pt"><B>(a)</B></FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><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: 44%; padding-left: 2.85pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Metropolitan Region of S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,787,854</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">5,569,632</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,630,554</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">5,300,720</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Regional Systems </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,093,357</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,248,801</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,032,058</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,165,770</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,881,211</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,818,433</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,662,612</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,466,490</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -14.2pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">(b)</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Reconciliation between gross operating revenue and
net operating revenue:</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="padding-right: 5pt; white-space: nowrap; width: 44%; padding-left: 5pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Revenue from sanitation services (i)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,881,211</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">7,818,433</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">3,662,612</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">7,466,490</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Construction revenue</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,022,904</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,046,209</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,019,600</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,541,020</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Sales tax</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(289,903)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(554,788)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(232,769)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(498,820)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Regulation, Control and Oversight Fee (TRCF)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(18,293)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(36,518)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(16,897)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(33,794)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Net revenue</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,595,919</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">9,273,336</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,432,546</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,474,896</P></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 17.55pt"><FONT STYLE="font-size: 10pt">(i)</FONT></TD><TD STYLE="text-align: justify; padding-right: 21.15pt"><FONT STYLE="font-size: 9.5pt">Includes R$&nbsp;19,568 and R$&nbsp;38,857 referring
to the TRCF charged in the municipalities regulated by ARSESP from April to June and from January to June 2021 (R$&nbsp;17,168 and R$&nbsp;35,906
from April to June and from January to June 2020), respectively. </FONT></TD></TR></TABLE>

<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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">27</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Operating costs and expenses </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>

<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-left: 2.85pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>April to</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>January to</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>April to</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>January to</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Operating costs</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Salaries, payroll charges and benefits</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(518,265)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(991,360)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(488,232)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(991,909)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Pension plan obligations </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(9,082)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(17,932)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(8,979)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(18,681)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Construction costs (Note 25)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(999,906)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,000,204)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(996,676)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,505,441)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(70,782)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(131,712)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(48,814)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(105,463)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(82,332)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(181,257)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(81,198)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(174,962)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Univers,sans-serif; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(341,052)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(708,647)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(306,044)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(615,008)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(340,012)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(697,987)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(277,707)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(603,545)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(191,077)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(371,554)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(148,979)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(314,775)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(510,919)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(1,010,817)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(462,271)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(911,128)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(3,063,427)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(6,111,470)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,818,900)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(5,240,912)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Selling expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Salaries, payroll charges and benefits</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(67,812)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(129,074)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(70,081)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(138,075)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,184)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,361)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,209)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,523)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,888)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(3,418)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(982)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,397)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Univers,sans-serif; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(80,588)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(167,523)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(78,446)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(140,506)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">329</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">676</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(273)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(636)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(31,279)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(58,325)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(26,069)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(60,455)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(16,581)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(33,078)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(14,463)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(28,901)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(199,661)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(394,455)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(191,523)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(373,493)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Univers,sans-serif; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Univers,sans-serif; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Allowance for doubtful accounts &#9;(Note 9 (c))</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(144,101)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(265,152)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(117,177)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(274,666)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; font: 9pt Univers,sans-serif; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; font: 9pt Univers,sans-serif; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Salaries, payroll charges and benefits</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(63,941)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(121,312)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(59,865)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(123,784)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(17,994)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(37,772)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(29,956)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(61,161)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(5,356)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(11,165)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(7,721)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(15,345)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Univers,sans-serif; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(58,541)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(107,923)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(57,529)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(110,626)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">311</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">901</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(482)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(815)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(103,414)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(154,750)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(29,416)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(121,647)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(25,555)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(51,211)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(21,812)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(42,086)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Tax expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(17,662)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(35,015)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(18,195)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(33,691)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(292,774)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(520,049)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(224,976)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(509,155)</FONT></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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->77<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: 44%; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>April to June 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>April to June 2020</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2020</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Operating costs and expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: top; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Salaries, payroll charges and benefits</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(650,018)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,241,746)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(618,178)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,253,768)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Pension plan obligations (Note 21) (v))</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(28,260)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(58,065)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(40,144)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(82,365)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Construction costs (Note 25)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(999,906)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,000,204)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(996,676)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,505,441)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(78,026)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(146,295)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(57,517)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(123,205)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 9pt Univers,sans-serif; padding-left: 5pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(82,332)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(181,257)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(81,198)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(174,962)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font: 9pt Univers,sans-serif; padding-left: 5pt; text-align: justify"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(480,181)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(984,093)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(442,019)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(866,140)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(340,652)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(699,564)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(278,462)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(604,996)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(325,770)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(584,629)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(204,464)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(496,877)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(553,055)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(1,095,106)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(498,546)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(982,115)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">&#9;Tax expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(17,662)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(35,015)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(18,195)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(33,691)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify; text-indent: -2.85pt"><FONT STYLE="font-size: 8.5pt">&#9;Allowance for doubtful accounts (Note 9 (c)) </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(144,101)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(265,152)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(117,177)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">(274,666)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">(3,699,963)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">(7,291,126)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">(3,352,576)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">(6,398,226)</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>


<!-- 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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->78<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 7.5pt"></TD><TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">28</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Financial income (expenses)</FONT></TD></TR></TABLE>

<P STYLE="font: 9.5pt 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: 43%; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 15%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Financial expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 10pt Verdana,sans-serif; padding-left: 7.1pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Interest and charges on borrowings and financing &#8211; local currency </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(106,659)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(211,339)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(89,259)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(162,840)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Interest and charges on borrowings and financing &#8211; foreign currency </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(10,354)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(22,816)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(35,241)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(84,339)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other financial expenses </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(78,902)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(153,544)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(85,319)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(164,270)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Income tax over international remittance</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">-</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(4,546)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(9,739)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Inflation adjustment on borrowings and financing </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(42,985)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(95,382)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">10,102</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(8,505)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other monetary variations </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(40,672)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(82,786)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(33,587)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(65,801)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Interest and inflation adjustments on provisions </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(7,482)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(49,436)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(5,148)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(31,409)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font: 9pt Univers,sans-serif; padding-left: 7.1pt"><FONT STYLE="font-family: Georgia,serif; font-size: 8.5pt">Total financial expenses</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(287,054)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(615,303)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(242,998)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(526,903)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Financial income</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Inflation adjustment gains </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">37,470 </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">88,653</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">23,372</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">59,520</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Income on financial investments </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">29,636 </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">47,858</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">22,847</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">44,949</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Interest income </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">31,903 </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">78,882</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">26,543</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">72,099</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Cofins and Pasep </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">&nbsp;(4,604)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(10,018)</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(3,599)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(8,476)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">41</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">4</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total financial income</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">94,405</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">205,416</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">69,164</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">168,096</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Financial income (expenses), net of exchange variation</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(192,649)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(409,887)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(173,834)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(358,807)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Exchange variation</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Exchange variation on borrowings and financing </FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">442,316</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">304,743</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(502,039)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">(2,298,578)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Exchange variation on assets</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">854</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">407</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">404</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,628</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Other exchange variations</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">6</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt 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; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">4</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Exchange variations, net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">441,462</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">304,330</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(501,634)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(2,296,946)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 7.1pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Financial income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">248,813</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(105,557)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(675,468)</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(2,655,753)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 81 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->79<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 5.2pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 7.5pt"></TD><TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">29</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Other operating income (expenses), net</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: 44%; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>April to</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 2021</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>April to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 2020</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 14%; padding-left: 5pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>January to </B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0; text-align: center"><B>June 2020</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Other operating income, net </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">11,954</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">19,750</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">30,616</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">40,655</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Other operating expenses </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(12,853)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">(9,972)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">79,068</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">71,782</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">(899)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">9,778</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">109,684</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">112,437</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">Other operating income includes the sale of property,
plant and equipment, sale of 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: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">Other operating expenses consist mainly of derecognition
of concessions assets due to obsolescence, discontinued construction works, unproductive wells, projects considered economically unfeasible,
losses on property, plant and equipment, estimated losses, and operational assets indemnification.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 7.5pt"></TD><TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">30</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Commitments</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">The Company has agreements to manage and maintain
its activities, as well as agreements to build new projects aiming at achieving the objectives proposed in its target plan. The main unrecognized
committed amounts as of June 30, 2021 are as follows:</P>

<P STYLE="font: 9.5pt 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="padding-right: 5pt; white-space: nowrap; width: 35%; padding-left: 5pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>1 year</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>1-3 years</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>3-5 years</B></P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%; padding-left: 5pt">
<DIV STYLE="padding: 0cm 0cm 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center"><B>More than</B></P>
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center"><B>5 years</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 13%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Contractual obligations &#8211; Expenses </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">1,353,475</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">707,701</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">143,146</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">727,121</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; text-align: right; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">2,931,443</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Contractual obligations - Investments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">2,015,527</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,724,507</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">1,524,584</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">359,974</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 0.5pt solid">5,624,592</P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="padding-right: 5pt; white-space: nowrap; font-family: Georgia,serif; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">3,369,002</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">2,432,208</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">1,667,730</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">1,087,095</P></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0; text-align: right; border-bottom: Black 1.5pt double">8,556,035</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 82 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Gray 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->80<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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: left; font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><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: italic bold 13pt Arial,sans-serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 7.5pt"></TD><TD STYLE="width: 41.5pt"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">31</FONT></TD><TD><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Supplemental cash flow information</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: 65%; padding-left: 2.85pt; font-family: Georgia,serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; width: 18%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2021</B></P></TD>
    <TD STYLE="padding-right: 5pt; width: 17%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to June 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total additions to contract assets (Note 13)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">2,225,121</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,708,731</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total additions to intangible assets (Note 14 (b))</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">119,559</FONT></TD>
    <TD STYLE="padding-right: 5pt; vertical-align: bottom; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">373,728</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Items not affecting cash (see breakdown below)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(871,955)</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(827,073)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Total additions to intangible and contract assets according to the statement of cash flows</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,472,725</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">1,255,386</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Investments and financing operations affecting intangible assets but not cash:</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Interest capitalized in the period (Note 14 (d))</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">121,996</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">139,994</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif; text-align: justify"><FONT STYLE="font-size: 8.5pt">Contractors payable</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">204,404</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">196,867</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Program contract commitments</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">-&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">58,323</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Performance agreements</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">396,029</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">92,190</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Right of use </FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">103,521</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">23,346</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Construction margin (Notes 14 (e) and 25)</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">46,005</FONT></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 8.5pt">35,579</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Agreement with the Municipality of Mau&aacute;</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-&nbsp;</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">280,774</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-left: 2.85pt; font-family: Georgia,serif"><FONT STYLE="font-size: 8.5pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5pt; white-space: nowrap; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">871,955</P></TD>
    <TD STYLE="padding-right: 5pt; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">827,073</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: italic bold 13pt Arial,sans-serif; text-align: justify; margin-top: 5.2pt; margin-bottom: 0"><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">32</FONT><FONT STYLE="font-family: Times New Roman; font-size: 7pt; font-style: normal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia,serif; font-size: 9.5pt; font-style: normal">Events after the reporting period</FONT></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 11.45pt"><FONT STYLE="font-family: Symbol; font-size: 9.5pt">&middot;</FONT></TD><TD><FONT STYLE="font-size: 9.5pt"><B>28th Issue Debentures</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">As of July 16, 2021, the Company raised R$ 1.2 billion
referring to the 28th issue of simple and unsecured debentures, not convertible into shares, in up to three series, according to CVM Instruction
476. The funds raised will be used to refinance commitments maturing in 2021 and to recompose the Company&#8217;s cash.</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">The 28th issue debentures was 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: 32%; font: 9.5pt Georgia,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 5pt; width: 22%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid">Value</P></TD>
    <TD STYLE="padding-right: 5pt; width: 22%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid">Maturity</P></TD>
    <TD STYLE="padding-right: 5pt; width: 24%; padding-left: 5pt">
    <P STYLE="font: 8.5pt Georgia,serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid">Remuneration</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Series 1</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">R$ 127,800</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">07/2024</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">CDI + 1.20% p.a.</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Series 2</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">R$ 888,200</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">07/2026</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">CDI + 1.44% p.a.</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 9.5pt Georgia,serif"><FONT STYLE="font-size: 8.5pt">Series 3</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">R$ 184,000</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">07/2028</FONT></TD>
    <TD STYLE="padding-right: 5pt; font: 9.5pt Georgia,serif; text-align: center; padding-left: 5pt"><FONT STYLE="font-size: 8.5pt">CDI + 1.60% p.a.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia,serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Georgia,serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 13.85pt"><FONT STYLE="font-family: Symbol; font-size: 9.5pt">&middot;</FONT></TD><TD><FONT STYLE="font-size: 9.5pt">The agreed covenants are as follows:</FONT></TD></TR></TABLE>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">Calculated every quarter, when disclosing the quarterly information or annual
financial statements:</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">- Net debt/adjusted EBITDA lower than or equal
to 3.50;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">- Adjusted EBITDA/paid financial expenses equal
to or higher than 1.5;</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">- Disposal of operating assets, termination
of licenses, loss of concession or loss of the Issuer&#8217;s capacity to execute and operate public sanitation services in areas of
the S&atilde;o Paulo State which, individually or jointly during the term of the agreement, lead to a reduction of the Issuer&#8217;s
net sales and/or service revenue of more than twenty-five percent (25%). The above limit will be calculated every quarter, taking into
consideration the Issuer&#8217;s net operating income during the twelve (12) months before the end of each quarter and using the financial
information disclosed by the Issuer.</P>

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


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    <!-- Field: /Page -->


<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">The failure to comply with the covenants for
at least two consecutive quarters, or two non-consecutive quarters within twelve months, will cause the early termination of the agreement
(in which case the 30-day cure period does not apply).</P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">The contract has a cross acceleration clause,
i.e. the early maturity of any of the Company&#8217;s debts, in an individual or aggregate amount equal to or higher than R$ 166 million,
adjusted by the IPCA inflation index as of the issue date, constitutes a default event and may result in the early maturity of the obligations
arising from the Debentures.</P>

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


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    <!-- Field: /Page -->

<P STYLE="font: 9.5pt Georgia,serif; margin: 0.1pt 0 0">&nbsp;</P>

<P STYLE="font: bold 12pt Arial,sans-serif; text-align: justify; margin-top: 4.65pt; margin-bottom: 0">Comments on the Company&#8217;s Projections</P>

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

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

<P STYLE="font: 10.5pt Arial,sans-serif; margin: 0.15pt 0 0"><B>&nbsp;</B></P>

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

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

<P STYLE="font: 11.5pt Georgia,serif; margin: 0.1pt 0 0"><B>&nbsp;</B></P>

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

<P STYLE="font: 10.5pt Georgia,serif; margin: 0.1pt 0 0">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin-top: 0; margin-bottom: 0; text-align: justify">The projections monitoring occurs every year and are disclosed
in the Reference Form.</P>

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


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    <!-- Field: /Page -->


<P STYLE="font: 12pt Arial,sans-serif; margin: 0.6pt 0 0 1pt"><B>Other Information Deemed as Relevant by the Company</B></P>

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

<P STYLE="font: 9.5pt Georgia,serif; margin: 0.4pt 0 0">&nbsp;</P>

<P STYLE="font: 11pt Georgia,serif; text-align: justify; margin-top: 5.05pt; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><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-size: 10pt">CHANGES IN INTEREST HELD BY THE CONTROLLING SHAREHOLDER, BOARD MEMBERS AND EXECUTIVE OFFICERS</FONT></B></P>

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

<P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0"><B>&nbsp;</B></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: 10pt Georgia,serif; margin: 0 72.15pt 0 40.7pt; text-align: center"><B>CONSOLIDATED SHAREHOLDING POSITION OF CONTROLLING
    SHAREHOLDERS, MANAGEMENT AND OUTSTANDING SHARES</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 155.05pt 0 173.8pt; text-align: center"><B>Position as of June 30, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 43%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 52.6pt 0 33.6pt; text-align: center"><B>Shareholder</B></P></TD>
    <TD STYLE="width: 19%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 6.35pt 0 7.15pt; text-align: center"><B>Number of</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 6.35pt 0 7.3pt; text-align: center"><B>Common Shares (units)</B></P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 0.9pt; text-align: center"><B>%</B></P></TD>
    <TD STYLE="width: 18%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 9.25pt 0 10.25pt; text-align: center"><B>Total Number of Shares</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 9.25pt 0 10.1pt; text-align: center"><B>(units)</B></P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 1.05pt; text-align: center"><B>%</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Controlling Shareholder</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt">Treasury Department</FONT><FONT STYLE="font-size: 6.5pt">(1)</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">343,507,729</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">50.3%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">343,507,729</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">50.3%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 3.45pt">Companhia Paulista de Parcerias</P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 3.45pt">- CPP</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 2.7pt 0 0; text-align: right">6</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 2.75pt 0 0; text-align: right">0.0%</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 2.7pt 0 0; text-align: right">6</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 2.5pt 0 0; text-align: right">0.0%</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Management</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt">Board of Directors</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt">Executive Board</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">200</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">200</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Fiscal Council</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Other Shareholders</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt"><B>343,507,935</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt"><B>50.3%</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt"><B>343,507,935</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt"><B>50.3%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt">Outstanding Shares</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">340,001,934</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">49.7%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">340,001,934</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">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="font: 10pt Arial, Helvetica, Sans-Serif; text-align: right; width: 100%">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->84<!-- Field: /Sequence --> of 88&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: left; font: 9pt Arial MT,sans-serif; margin: 0.7pt 0 0 1pt">ITR - Quarterly Information Form - 6/30/2021 - CIA SANEAMENTO BASICO EST SAO PAULO</P></TD><TD STYLE="width: 15%"><P STYLE="text-align: right; font: 9pt Arial MT,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,sans-serif; margin: 0.6pt 0 0 1pt"><B>Other Information Deemed as Relevant by the Company</B></P>

<P STYLE="font: 10pt Georgia,serif; margin: 0">&nbsp;</P>
<P STYLE="font: 14pt Georgia,serif; margin: 0.35pt 0 0"><B>&nbsp;</B></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: 10pt Georgia,serif; margin: 0 72.15pt 0 54.85pt; text-align: center"><B>CONSOLIDATED SHAREHOLDING POSITION OF CONTROLLING
    SHAREHOLDERS, MANAGEMENT AND OUTSTANDING SHARES</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 173pt 0 147pt; text-align: center"><B>Position as of June 30, 2020</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 46%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 52.6pt 0 33.6pt; text-align: center"><B>Shareholder</B></P></TD>
    <TD STYLE="width: 18%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 6.35pt 0 7.15pt; text-align: center"><B>Number of</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 6.35pt 0 7.3pt; text-align: center"><B>Common Shares (units)</B></P></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 0.9pt; text-align: center"><B>%</B></P></TD>
    <TD STYLE="width: 18%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 9.25pt 0 10.25pt; text-align: center"><B>Total Number of Shares</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 9.25pt 0 10.1pt; text-align: center"><B>(units)</B></P></TD>
    <TD STYLE="width: 9%; border-bottom: black 1pt solid; border-right: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 1.05pt; text-align: center"><B>%</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Controlling Shareholder</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt">Treasury Department</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">343,507,750</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">50.3%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">343,507,750</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">50.3%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 3.45pt">Companhia Paulista de Parcerias</P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 3.45pt">- CPP</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 2.7pt 0 0; text-align: right">6</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 2.75pt 0 0; text-align: right">0.0%</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 2.7pt 0 0; text-align: right">6</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 2.5pt 0 0; text-align: right">0.0%</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Management</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt">Board of Directors</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">3,000</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">3,000</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt">Executive Board</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Fiscal Council</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">0.0%</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Other Shareholders</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Total</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt"><B>343,510,756</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt"><B>50.3%</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt"><B>343,510,756</B></FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt"><B>50.3%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt">Outstanding Shares</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">339,999,113</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">49.7%</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">339,999,113</FONT></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; font-family: Georgia,serif; text-align: right"><FONT STYLE="font-size: 10pt">49.7%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia,serif; margin: 0"><B>&nbsp;</B></P>

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

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

<P STYLE="font: 11pt Georgia,serif; text-align: justify; margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>2.</B></FONT><B><FONT STYLE="font-family: Times New Roman; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">SHAREHOLDING POSITION</FONT></B></P>

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

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

<P STYLE="font: 10pt Georgia,serif; margin: 0"><B>&nbsp;</B></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; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><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="vertical-align: top; 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: 10pt Georgia,serif; margin: 0 0 0 3.45pt"><B>Company:</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 0 0 3.45pt"><B>CIA SANEAMENTO B&Aacute;SICO ESTADO S&Atilde;O PAULO</B></P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 10pt Georgia,serif; margin: 0 8.85pt 0 11.85pt; text-align: center"><B>Position as of June 30, 2021</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0 22.4pt 0 23.8pt; text-align: center"><B>(number of shares)</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; font-family: Georgia,serif">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 30.15pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Common shares</B></FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-left: 23.6pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 10pt"><B>Total</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 18%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-left: 3.45pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Shareholder</B></FONT></TD>
    <TD STYLE="width: 29%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 4.75pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Number of shares</B></FONT></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 1.1pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 10pt"><B>%</B></FONT></TD>
    <TD STYLE="width: 27%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 4.75pt; font-family: Georgia,serif"><FONT STYLE="font-size: 10pt"><B>Number of shares</B></FONT></TD>
    <TD STYLE="width: 16%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-left: 1.5pt; font-family: Georgia,serif; text-align: center"><FONT STYLE="font-size: 10pt"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 3.45pt">Treasury Department</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 48.15pt">343,507,729</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 11.45pt">50.3%</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 48.25pt">343,507,729</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid">
    <P STYLE="font: 9.5pt Georgia,serif; margin: 0.5pt 0 0"><B>&nbsp;</B></P>
    <P STYLE="font: 10pt Georgia,serif; margin: 0.05pt 0 0 32.75pt">50.3%</P></TD></TR>
  </TABLE>

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<P STYLE="font: bold 12pt Arial,sans-serif; margin: 4.65pt 0 0 10.3pt">Reports and Statements / Unqualified Reports on Special Review</P>

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

<P STYLE="font: 10pt Arial,sans-serif; margin: 0.2pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 56.15pt 0 10.3pt; text-align: justify">Report on Review of Interim Financial Information</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify"><FONT STYLE="font-weight: normal">To the Shareholders,
Directors and Management of </FONT></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify"><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: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify"><FONT STYLE="font-weight: normal">S&atilde;o Paulo &#8211;
SP</FONT></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: bold 10.5pt Georgia,serif; margin: 0 0 6pt 10.2pt; text-align: justify">Introduction</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 6pt 10.2pt; 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, 2021, which comprises the Statement of financial position as of June 30, 2021 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: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; 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="font: bold 10.5pt Georgia,serif; margin: 6pt 0 6pt 10.2pt; text-align: justify">Scope of Review</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; 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="font: bold 10.5pt Georgia,serif; margin: 6pt 0 6pt 10.2pt; text-align: justify">Conclusion on the interim financial information</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify"><FONT STYLE="font-weight: normal">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).</FONT></P>

<P STYLE="font: bold 10.5pt Georgia,serif; margin: 6pt 0 6pt 10.2pt; text-align: justify">Other matters</P>

<P STYLE="font: bold 9.5pt Georgia,serif; margin: 0 0 6pt 10.2pt; text-align: justify">Review of corresponding values related to comparative
period</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify">The review of the interim financial information for the
quarter ended June 30, 2020 was performed by another independent auditor, who issued the review report without mofidication over the aforementioned
interim financial information on August 13, 2020.</P>

<P STYLE="font: bold 9.5pt Georgia,serif; margin: 6pt 0 6pt 10.2pt; text-align: justify">Statement of value added</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify">The quarterly information referred to above includes stetements
of value added for the period of six months ended June 30, 2021, 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: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify">S&atilde;o Paulo, August 12, 2021</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify">Nelson Fernandes Barreto Filho</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify">CT CRC 1SP-151.079/O-0</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify">Grant Thornton Auditores Independentes</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.3pt; text-align: justify"><FONT STYLE="font-weight: normal">CRC 2SP-025.583/O-1</FONT></P>

<P STYLE="font: 9pt Arial MT,sans-serif; margin: 0 391.5pt 0 10.3pt">&nbsp;</P>


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    <!-- Field: /Page -->


<P STYLE="font: bold 12pt Arial,sans-serif; margin: 4.6pt 0 0 10.3pt">Reports and Statements / Executive Officers&#8217; Statement on
the Financial Statements</P>

<P STYLE="font: 14.5pt Arial,sans-serif; margin: 0.1pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Executive Officers&#8217; Statement on the Quarterly Information</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">STATEMENT</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">The Executive Officers of Companhia de Saneamento
B&aacute;sico do Estado de S&atilde;o Paulo - SABESP, with Corporate Taxpayers&#8217; ID (CNPJ/MF) number 43.776.517/0001-80, headquartered
at Rua Costa Carvalho, n&ordm; 300, Pinheiros, S&atilde;o Paulo, declare that, according to paragraph 1 of article 25, item VI of CVM
Instruction 480, of December 7, 2009:</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">They reviewed, discussed and agreed with the quarterly information for
the period ended June 30, 2021.</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">S&atilde;o Paulo, August 12, 2021.</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo &#8211;
SABESP</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Benedito Pinto Ferreira Braga Junior</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">CEO</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Osvaldo Garcia</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">CFO and Investor Relations Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Adriano Candido Stringhini</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Corporate Management Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Alceu Segamarchi Junior</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Technology, Project and Environment Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Ricardo Daruiz Borsari</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Metropolitan Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Monica Ferreira do Amaral Porto</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Regional Systems Officer</P>


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<P STYLE="font: bold 12pt Arial,sans-serif; margin: 4.6pt 92.95pt 0 10.3pt">Reports and Statements / Executive Officers&#8217; Statement
on the Report of Independent Registered Public Accounting Firm</P>

<P STYLE="font: 14.5pt Arial,sans-serif; margin: 0.1pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">Executive Officers&#8217; Statement on the Report of Independent Registered
Public Accounting Firm</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt">STATEMENT</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 17.45pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">The Executive Officers of Companhia de Saneamento
B&aacute;sico do Estado de S&atilde;o Paulo - SABESP, with Corporate Taxpayers&#8217; ID (CNPJ/MF) number 43.776.517/0001-80, headquartered
at Rua Costa Carvalho, n&ordm; 300, Pinheiros, S&atilde;o Paulo, declare that, according to paragraph 1 of article 25, item V of CVM Instruction
480, of December 7, 2009:</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">They reviewed, discussed and agreed with the Report
of Independent Registered Public Accounting Firm on the quarterly information for the period ended June 30, 2021.</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.2pt; text-align: justify">S&atilde;o Paulo, August 12, 2021.</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 0 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Companhia de Saneamento B&aacute;sico do Estado
de S&atilde;o Paulo &#8211; SABESP</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Benedito Pinto Ferreira Braga Junior</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">CEO</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Osvaldo Garcia</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">CFO and Investor Relations Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Adriano Candido Stringhini</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Corporate Management Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Alceu Segamarchi Junior</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Technology, Project and Environment Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Ricardo Daruiz Borsari</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Metropolitan Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Monica Ferreira do Amaral Porto</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">Regional Systems Officer</P>

<P STYLE="font: 9.5pt Georgia,serif; margin: 0 34.85pt 0 10.2pt; text-align: justify">&nbsp;</P>



<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 12pt 0.5pt; text-align: justify"></P>

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<P></P>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B><U></U></B></FONT>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B><U>SIGNATURE&nbsp;</U></B></FONT><FONT size=1>&nbsp;</FONT></DIV>

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

<DIV align=justify><FONT color=#000000 size=3 face="Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the city S&#227;o Paulo, Brazil. <BR></FONT></DIV>

<DIV align=justify><FONT color=#000000 size=3 face="Times New Roman">Date:&nbsp;August 27, 2021</FONT></DIV>

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

<DIV align=center>

<TABLE style="WIDTH: 70%" cellSpacing=0 cellPadding=0>



<TR>

   <TD vAlign=top width="50%" colSpan=3>

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

<TR>

   <TD height=16></TD>

   <TD height=16></TD>

   <TD height=16></TD></TR>

<TR>

   <TD vAlign=top align=left><FONT color=#000000 size=2 face="Times New Roman">By:</FONT></TD>

   <TD vAlign=bottom align=left>/s/&nbsp;&nbsp;<FONT style="FONT-FAMILY: times new roman" size=3>Osvaldo Garcia</FONT>&nbsp;&nbsp;&nbsp;&nbsp;

   <HR align=left color=#000000 SIZE=1 noShade>

</TD>

   <TD></TD></TR>

<TR>

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

   <TD vAlign=bottom width="53%" align=center>

   <DIV align=left><FONT color=#000000 size=2 face="Times New Roman">Name: Osvaldo Garcia </FONT></DIV>

   <DIV align=left><FONT color=#000000 size=2 face="Times New Roman">Title: Chief Financial Officer and Investor Relations Officer </FONT></DIV></TD>

   <TD></TD></TR></TABLE></DIV>

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

<P>&nbsp;</P>

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

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>FORWARD-LOOKING STATEMENTS </B></FONT></DIV>

<P align=justify><FONT size=2 face="'Times New Roman, Times, Serif'">This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations. </FONT></P>

<HR align=left color=#000000 SIZE=2 noShade>

</DIV>

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