<SEC-DOCUMENT>0001292814-22-002477.txt : 20220525
<SEC-HEADER>0001292814-22-002477.hdr.sgml : 20220525
<ACCEPTANCE-DATETIME>20220525151912
ACCESSION NUMBER:		0001292814-22-002477
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220331
FILED AS OF DATE:		20220525
DATE AS OF CHANGE:		20220525

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:		22962513

	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>sbsitr1q22_6k.htm
<DESCRIPTION>6-K
<TEXT>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>

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

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

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

<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;May, 2022</B></FONT></DIV><FONT color=#000000 size=2 face="Times New Roman"><B>(Commission File No. 1-31317) </B></FONT></DIV>

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

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

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

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

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

<DIV align=center></DIV>

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

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

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

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<BR>

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

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

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<BR>

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

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

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

<P></P>

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

<P></P>

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


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  <TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information
Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD>
  <TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version:
1</FONT></P></TD></TR>
</TABLE>

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

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

<P STYLE="font: 14pt/107% Times New Roman, Times, Serif; margin: 3.9pt 0 8pt 7.35pt"><B>Table of Contents</B></P>

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

<P STYLE="font: 9.5pt Georgia, Times, Serif; margin: 0.15pt 0 0">&nbsp;</P>

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

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  <TD COLSPAN="2" STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 6.75pt 0 8pt 7.35pt"><B>Company Information</B></P>
</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed; width: 90%"><P STYLE="font: 9pt Arial MT; margin: 10.75pt 0 0 17.35pt">Capital
Breakdown&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right; width: 10%"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.75pt 0 0 17.35pt">1</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD COLSPAN="2" STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: bold 11pt Arial, Helvetica, Sans-Serif; margin: 10.85pt 0 0 7.35pt">Parent
Company&rsquo;s Financial Statements</P>
</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.75pt 0 0 17.35pt">Statement
of Financial Position &ndash; Assets&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.75pt 0 0 17.35pt">2</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.85pt 0 0 17.35pt">Statement
of Financial Position &ndash; Liabilities&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.85pt 0 0 17.35pt">3</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 11pt 0 0 17.35pt">Income
Statement&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 11pt 0 0 17.35pt">5</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.9pt 0 0 17.35pt">Statement
of Comprehensive Income&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.9pt 0 0 17.35pt">6</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.85pt 0 0 17.35pt">Statement
of Cash Flows (Indirect Method)&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.85pt 0 0 17.35pt">7</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD COLSPAN="2" STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: bold 9pt Arial, Helvetica, Sans-Serif; margin: 10.9pt 0 0 17.35pt">Statement
of Changes in Equity</P>
</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.95pt 0 0 27.35pt">01/01/2022
to 03/31/2022&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.95pt 0 0 27.35pt">9</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.9pt 0 0 27.35pt">01/01/2021
to 03/31/2021&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.9pt 0 0 27.35pt">10</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.9pt 0 0 17.35pt">Statement
of Value Added&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.9pt 0 0 17.35pt">11</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.9pt 0 0 7.35pt">Comments
on the Company&rsquo;s Performance&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.9pt 0 0 7.35pt">12</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.95pt 0 0 7.35pt">Notes
to the Quarterly Information&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.95pt 0 0 7.35pt">23</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.9pt 0 0 7.35pt">Comments
on the Company&rsquo;s Projections&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.9pt 0 0 7.35pt">69</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.9pt 0 0 7.35pt">Other
Information Deemed as Relevant by the Company&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.9pt 0 0 7.35pt">70</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD COLSPAN="2" STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: bold 11pt Arial, Helvetica, Sans-Serif; margin: 10.9pt 0 0 7.35pt">Reports
and Statements</P>
</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.75pt 0 0 17.35pt">Unqualified
Reports on Special Review&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.75pt 0 0 17.35pt">72</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.85pt 0 0 17.35pt">Executive
Officers&rsquo; Statement on the Financial Statements&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.85pt 0 0 17.35pt">73</P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="border-bottom: Black 1pt dashed"><P STYLE="font: 9pt Arial MT; margin: 10.85pt 0 0 17.35pt">Executive Officers&rsquo; Statement on the Report of Independent Registered Public Accounting Firm&#9;</P></TD>
  <TD STYLE="border-bottom: Black 1pt dashed; text-align: right"><P STYLE="text-align: right; font: 9pt Arial MT; margin: 10.85pt 0 0 17.35pt">74</P></TD></TR>
</TABLE>

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<P STYLE="font: 9pt Arial MT; margin: 10.9pt 0 0 17.35pt">&nbsp;</P>

<P STYLE="margin: 0"></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>


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  <TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information
Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD>
  <TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version:
1</FONT></P></TD></TR>
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<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 4.1pt 0 8pt 7.35pt"><B>Company Information / Capital Breakdown</B></P>

<P STYLE="text-align: center; font: 10pt Arial, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><B>&nbsp;</B></P>

<P STYLE="font: 7pt Arial, Helvetica, Sans-Serif; margin: 0.45pt 0 0"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
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    <TD STYLE="width: 27%; padding-top: 3.7pt; padding-left: 2pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Number of shares</B></FONT></TD>
    <TD STYLE="width: 73%; padding-top: 3.7pt; padding-right: 278.25pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Current Quarter</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #D2D2D2">
    <TD STYLE="padding-right: 5.4pt; padding-left: 2pt; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>(Unit)</B></FONT></TD>
    <TD STYLE="padding-right: 278.25pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>03/31/2022</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: gainsboro">
    <TD STYLE="padding-top: 3.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Paid-in Capital</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Common</B></FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 278.25pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">683,509,869</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: darkgray 1pt solid; padding-top: 2.35pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Preferred</B></FONT></TD>
    <TD STYLE="border-bottom: darkgray 1pt solid; padding-top: 2.35pt; padding-right: 278.25pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: whitesmoke">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Total</B></FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 278.25pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">683,509,869</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: gainsboro">
    <TD STYLE="padding-top: 3.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Common</B></FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 278.25pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: darkgray 1pt solid; padding-top: 2.35pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Preferred</B></FONT></TD>
    <TD STYLE="border-bottom: darkgray 1pt solid; padding-top: 2.35pt; padding-right: 278.25pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: whitesmoke">
    <TD STYLE="padding-top: 1.3pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Total</B></FONT></TD>
    <TD STYLE="padding-top: 1.3pt; padding-right: 278.25pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD></TR>
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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt"><B>Parent Company&rsquo;s Financial Statements / Statement
of Financial Position &ndash; Assets </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 2pt; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 2.25pt; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 21%; padding-right: 20.65pt; padding-left: 5.4pt; text-align: right; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; padding-right: 1.85pt; padding-left: 5.4pt; text-align: right; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Previous Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 2pt; line-height: 10.05pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 20.65pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>03/31/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 1.9pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>12/31/2021</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Total Assets</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">54,094,546</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">53,165,485</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Current Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7,000,002</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,502,998</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">491,492</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">717,929</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial Investments</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,915,206</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,433,385</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial Investments Valued at Amortized Cost</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,915,206</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,433,385</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Accounts Receivable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3,081,186</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,868,734</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Trade Receivables</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,890,105</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,695,077</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.03.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Receivables</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">191,081</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">173,657</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.03.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Related-Party Balances</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">191,081</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">173,657</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Inventories</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">117,506</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">113,506</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.06</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Recoverable Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">263,126</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">276,104</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.06.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Current Recoverable Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">263,126</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">276,104</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Current Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">131,486</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">93,340</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.08.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">131,486</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">93,340</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.08.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Restricted Cash</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">27,206</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">28,467</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.01.08.03.20</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">104,280</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">64,873</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Noncurrent Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">47,094,544</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,662,487</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Long-Term Assets</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">9,764,102</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">9,741,933</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Accounts Receivable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">237,257</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">223,234</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Trade Receivables</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">237,257</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">223,234</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.09</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Receivables from Related Parties</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">650,076</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">644,895</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.09.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Receivables from Controlling Shareholders</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">650,076</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">644,895</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.10</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Noncurrent Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,876,769</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,873,804</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.10.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Escrow Deposits</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">162,770</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">141,667</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.10.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Water and Basic Sanitation National Agency &ndash; ANA</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">20,084</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">20,666</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.10.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Contract Asset </FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,534,381</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,550,102</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.01.10.20</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">159,534</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">161,369</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Investments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">131,134</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">125,563</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Equity Interest</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">85,020</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">79,437</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.02.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Equity Interest in Jointly-Owned Subsidiaries</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">78,921</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">73,338</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.02.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Investments</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,099</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,099</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Investment Properties</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,114</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,126</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Property, Plant and Equipment</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">289,228</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">291,157</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Intangible Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">36,910,080</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">36,503,834</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Intangible Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">36,910,080</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">36,503,834</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.04.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Concession Agreements</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,146,831</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,172,498</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.04.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Program Contracts</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">18,998,182</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">18,469,978</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.04.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Service Contracts</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">16,077,556</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">16,158,771</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.04.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Software License of Use</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">592,625</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">598,734</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.02.04.01.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Right of Use</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">94,886</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">103,853</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>


<!-- Field: Page; Sequence: 4 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->2<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt"><B>Parent Company&rsquo;s Financial Statements / Statement
of Financial Position &ndash; Liabilities </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 2pt; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 49%; padding-right: 5.4pt; padding-left: 2.25pt; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 22%; padding-right: 20.65pt; padding-left: 5.4pt; text-align: right; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; padding-right: 1.85pt; padding-left: 5.4pt; text-align: right; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Previous Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 2pt; line-height: 10.05pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 20.65pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>03/31/2022</B></FONT></TD>
    <TD STYLE="padding-right: 1.9pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>12/31/2021</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-top: black 1pt solid; padding-top: 1.2pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2</FONT></TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 1.2pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Total Liabilities</FONT></TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 1.2pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">54,094,546</FONT></TD>
    <TD STYLE="border-top: black 1pt solid; padding-top: 1.2pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">53,165,485</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Current Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5,214,658</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5,092,927</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Labor Liabilities and Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">352,718</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">426,616</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">29,564</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">53,506</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Labor Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">323,154</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">373,110</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Suppliers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">252,052</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">236,763</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Domestic Suppliers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">252,052</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">236,763</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Tax Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">383,064</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">257,130</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Federal Tax Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">378,989</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">248,251</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.03.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Income Tax and Social Contribution Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">181,621</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.03.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Pis-Pasep and Cofins Payable</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">110,746</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">111,963</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.03.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">INSS (Social Security Contribution) Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">39,691</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">39,902</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.03.01.20</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Federal Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,931</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">96,386</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.03.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Municipal Tax Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">4,075</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,879</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,777,935</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,830,617</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,062,207</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,128,253</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.04.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">In Local Currency</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">774,662</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">769,136</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.04.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">In Foreign Currency</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">287,545</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">359,117</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.04.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">609,320</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">596,418</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.04.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financing through Lease</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">106,408</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">105,946</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,613,242</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,531,980</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Payables to Related Parties</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,262</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">931</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Payables to Controlling Shareholders</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,262</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">931</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,611,980</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,531,049</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Dividends and Interest on Capital Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">548,006</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">548,006</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Services Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">548,425</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">469,027</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Refundable Amounts</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">30,586</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">31,687</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.02.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">104,980</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">77,652</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.02.07</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">172,781</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">142,757</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.02.09</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Indemnities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5,783</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,975</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.05.02.20</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">201,419</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">254,945</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">835,647</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">809,821</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Tax, Social Security, Labor, and Civil Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">221,885</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">218,137</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Tax Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">30,831</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">29,525</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Labor Liabilities and Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">105,185</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">105,806</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Civil Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">85,869</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">82,806</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">613,762</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">591,684</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions for Environmental Liabilities and Decommissioning</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">20,646</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">20,223</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions for Customers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">162,233</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">154,984</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.01.06.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions for Suppliers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">430,883</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">416,477</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Noncurrent Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">22,972,490</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">23,140,699</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,850,155</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,893,219</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7,971,559</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,739,774</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.01.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">In Local Currency</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5,655,385</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5,802,738</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.01.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">In Foreign Currency</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,316,174</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,937,036</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7,481,251</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,736,111</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 5 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->3<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt"><B>Parent Company&rsquo;s Financial Statements / Statement
of Financial Position &ndash; Liabilities </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 2pt; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 49%; padding-right: 5.4pt; padding-left: 2.25pt; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 22%; padding-right: 20.65pt; padding-left: 5.4pt; text-align: right; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Current Quarter</B></FONT></TD>
    <TD STYLE="width: 18%; padding-right: 1.85pt; padding-left: 5.4pt; text-align: right; line-height: 9.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Previous Year</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 2pt; line-height: 10.05pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 20.65pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>03/31/2022</B></FONT></TD>
    <TD STYLE="padding-right: 1.9pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>12/31/2021</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financing through Lease</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">397,345</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">417,334</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,224,487</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,325,069</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,224,487</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,325,069</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,315,359</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,321,662</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">12,302</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">44,995</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02.02.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,853,190</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,917,428</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02.02.07</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Indemnities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,235</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">14,642</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02.02.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Labor Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,364</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3,047</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02.02.09</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">159,591</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">159,456</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.02.02.20</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">867,446</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">863,839</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Deferred Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">292,897</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">283,739</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Deferred Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">292,897</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">283,739</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.03.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Deferred Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">292,897</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">283,739</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">604,951</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">638,672</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Tax, Social Security, Labor, and Civil Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">266,239</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">263,855</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Tax Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">25,999</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">25,291</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Labor Liabilities and Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">229,636</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">228,292</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Civil Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">10,604</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">10,272</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">338,712</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">374,817</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions for Environmental Liabilities and Decommissioning</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">335,397</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">311,069</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions for Customers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,594</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,494</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.02.04.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions for Suppliers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">721</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">61,254</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Equity</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">25,907,398</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">24,931,859</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Paid-Up Capital</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,000,000</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.03.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Profit Reserves</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">9,885,485</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">9,885,485</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.03.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Legal Reserve</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,532,365</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,532,365</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.03.04.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Additional Dividend Proposed</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">55,631</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">55,631</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.03.04.10</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Reserve for Investments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,297,489</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,297,489</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.03.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Retained Earnings/Accumulated Losses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.85pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2.03.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 2.25pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Equity Valuation Adjustments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 20.55pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,374</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.8pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,374</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>


<!-- Field: Page; Sequence: 6 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->4<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt"><B>Parent Company&rsquo;s Financial Statements / Income
Statement </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 6.8pt; padding-left: 2pt; line-height: 10pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 47%; padding-right: 5.4pt; padding-left: 7.75pt; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 8.25pt 0 0; text-align: right"><B>YTD Current</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 5.75pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 4.4pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 1.95pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2022 to 03/31/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 2pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2021 to 03/31/2021</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.01</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Revenue from Sales and/or Services</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">4,870,390</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">4,677,417</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Cost of Sales and/or Services</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-3,116,386</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-3,048,043</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Cost of Sales and/or Services</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-2,248,865</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-2,047,745</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Construction Costs</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-867,521</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-1,000,298</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Gross Profit</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,754,004</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,629,374</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Operating Income/Expenses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-619,926</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-524,389</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Selling Expenses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-374,281</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-315,844</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Selling Expenses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-196,587</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-194,793</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Allowance for Doubtful Accounts</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-177,694</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-121,051</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">General and Administrative Expenses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-253,792</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-227,275</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Operating Income</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">10,308</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7,796</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Operating Income</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">11,405</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">12,201</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.04.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-1,097</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-4,405</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Operating Expenses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-7,744</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,880</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.04.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Equity Accounting</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5,583</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,054</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Income before Financial Result and Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,134,078</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,104,985</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial Result</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">340,124</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-354,370</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.06.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial Income</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">199,013</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">111,458</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.06.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial Income</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">210,043</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">116,425</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.06.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Exchange Variation Gains</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-1,263</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">447</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.06.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Cofins and Pasep</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-9,767</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-5,414</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.06.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial&nbsp;&nbsp;Expenses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">141,111</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-465,828</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.06.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial&nbsp;&nbsp;Expenses</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-453,018</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-328,249</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.06.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Exchange Variation Losses</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">594,129</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-137,579</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.07</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Earnings before Income Tax</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,474,202</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">750,615</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-498,663</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-253,757</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.08.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Current</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-489,505</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-283,483</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.08.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Deferred</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-9,158</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">29,726</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.09</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Net Result from Continued Operations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.11</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Profit/Loss for the Period</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.99</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Earnings per Share - (Reais/Share)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.99.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Basic Earnings per Share</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.99.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Common </FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.42725</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0.72692</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.99.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Diluted Earnings per Share</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3.99.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Common </FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1.42725</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0.72692</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 7 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->5<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 4.1pt 0 8pt 7.35pt"><B>Parent Company&rsquo;s Financial Statements / Statement
of Comprehensive Income</B></P>

<P STYLE="font: bold 12pt Arial, Helvetica, Sans-Serif; margin: 0 0 12pt 7.35pt">(R$ thousand)</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 9%; padding-right: 6.8pt; padding-left: 2pt; line-height: 10pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 47%; padding-right: 5.4pt; padding-left: 7.75pt; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 8.25pt 0 0; text-align: right"><B>YTD Current</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 5.75pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 4.4pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 1.95pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2022 to 03/31/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 2pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2021 to 03/31/2021</B></FONT></TD></TR>

<TR STYLE="vertical-align: top">
<TD><P STYLE="font: 8pt/107% Arial, Helvetica, Sans-Serif; margin-top: 3.75pt; margin-right: 0pt">4.01</P>
</TD><TD><P STYLE="font: 8pt/107% Arial, Helvetica, Sans-Serif; margin-top: 3.75pt; margin-right: 0pt; margin-bottom: 8pt">Net Income for the Period&#9;</P></TD>
     <TD><P STYLE="text-align: right; font: 8pt/107% Arial, Helvetica, Sans-Serif; margin-top: 3.75pt; margin-right: 0pt; margin-bottom: 8pt">975,539</P></TD>
     <TD STYLE="text-align: right"><P STYLE="text-align: right; font: 8pt/107% Arial, Helvetica, Sans-Serif; margin-top: 3.75pt; margin-right: 0pt; margin-bottom: 8pt">&#9;496,858</P></TD></TR>
                                                                                                                                  <TR STYLE="vertical-align: top">
<TD STYLE="width: 59.6pt"><FONT STYLE="font-family: Arial MT,sans-serif; font-size: 9pt">4.03</FONT></TD><TD><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Comprehensive Income for the Period&#9;</FONT></TD>
                                                                                                         <TD STYLE="text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539&#9;</FONT></TD>
                                                                                                         <TD STYLE="text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 4.1pt 0 8pt 7.35pt"><B>Parent Company&rsquo;s Financial Statements / Statement
of Cash Flows &ndash; Indirect Method </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 4.1pt 0 8pt 7.35pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 6.8pt; padding-left: 2pt; line-height: 10pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 49%; padding-right: 5.4pt; padding-left: 7.75pt; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 8.25pt 0 0; text-align: right"><B>YTD Current</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 5.75pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 4.4pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 1.95pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2022 to 03/31/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 2pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2021 to 03/31/2021</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Net Cash from Operating Activities</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">616,843</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,044,513</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Cash from Operations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,161,586</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,828,236</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Earnings before Income Tax and Social Contribution</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,474,202</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">750,615</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provision and Inflation Adjustments on Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">78,415</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">55,284</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Finance Charges from Customers</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-81,830</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-99,148</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.05</FONT></TD>
    <TD STYLE="padding-top: 2pt; padding-right: 24.9pt; padding-left: 7.75pt; line-height: 96%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%">Residual Value of Property, Plant and Equipment, Intangible Assets, and Investment Properties Written-off</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,406</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,938</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.06</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Depreciation and Amortization</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">589,746</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">542,052</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.07</FONT></TD>
    <TD STYLE="padding-top: 2pt; padding-right: 21.4pt; padding-left: 7.75pt; line-height: 96%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%">Interest on Borrowings and Financing Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">219,454</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">148,608</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.65pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.08</FONT></TD>
    <TD STYLE="padding-top: 1.9pt; padding-right: 41.95pt; padding-left: 7.75pt; line-height: 96%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%">Monetary and Exchange Variations on Borrowings and Financing</FONT></TD>
    <TD STYLE="padding-top: 1.65pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-523,312</FONT></TD>
    <TD STYLE="padding-top: 1.65pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">189,970</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.09</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Interest and Monetary Variation Losses</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7,604</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">10,361</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.10</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Interest and Monetary Variation Gains</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-63,518</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-33,753</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.11</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Allowance for Doubtful Accounts</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">177,694</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">121,051</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.12</FONT></TD>
    <TD STYLE="padding-top: 2pt; padding-right: 19.4pt; padding-left: 7.75pt; line-height: 96%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%">Provision for Consent Decree (TAC) and Knowledge Retention Program (PRC)</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-743</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3,095</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.13</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Equity Accounting</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-5,583</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-8,054</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.14</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Interest and Inflation Adjustment (Public-Private Partnership)</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">122,150</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">114,662</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.15</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Adjustments</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3,451</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-32,956</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.16</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Transfer - S&atilde;o Paulo Municipal Government</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">134,962</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">41,153</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.17</FONT></TD>
    <TD STYLE="padding-top: 2pt; padding-right: 9.4pt; padding-left: 7.75pt; line-height: 96%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%">Construction Margin over Intangible Assets Resulting from Concession Agreements</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-20,685</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-23,007</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.01.18</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">47,173</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">45,365</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Changes in Assets and Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-897,725</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-295,433</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Trade Receivables</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-299,418</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-103,667</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Related-Party Balances and Transactions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-10,415</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">13,678</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Inventories</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-4,000</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-1,086</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Recoverable Taxes</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">12,978</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-320,069</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-36,990</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-9,332</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Escrow Deposits</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-13,378</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">16,760</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.08</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Trade Payables and Contractors</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-218,600</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-142,979</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.09</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Labor Liabilities and Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-73,155</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-75,683</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.10</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Pension Plan Obligations</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-53,476</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-48,764</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.11</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Taxes and Contributions Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-64,184</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">281,307</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.12</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Services Payable</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-55,564</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">122,810</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.13</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Liabilities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">4,652</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">747</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.14</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Provisions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-86,310</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-32,064</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.02.15</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Deferred Cofins/Pasep</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">135</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,909</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-647,018</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-488,290</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Interest Paid</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-347,631</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-195,181</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.01.03.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Income Tax and Social Contribution Paid</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-299,387</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-293,109</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Net Cash from Investing Activities</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-1,102,680</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">121,939</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Acquisition of Contract Asset and Intangible Assets</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-651,660</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-650,920</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Acquisition of Property, Plant and Equipment</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-8,566</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.9pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-8,335</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Restricted Cash</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,261</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-349</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.02.07</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial Investments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.7pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-443,715</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">781,543</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>


<!-- Field: Page; Sequence: 9 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->7<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 4.1pt 0 8pt 7.35pt"><B>Parent Company&rsquo;s Financial Statements / Statement
of Cash Flows &ndash; Indirect Method </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 4.1pt 0 8pt 7.35pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 6.8pt; padding-left: 2pt; line-height: 10pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 49%; padding-right: 5.4pt; padding-left: 7.75pt; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 8.25pt 0 0; text-align: right"><B>YTD Current</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 5.75pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 4.4pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 1.95pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.75pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2022 to 03/31/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 2pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2021 to 03/31/2021</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.03</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Net Cash from Financing Activities</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">259,400</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-698,371</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Funding</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,084,506</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">57,511</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.03.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Amortization</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-661,268</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-568,349</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.03.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-156,364</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 1.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-143,610</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.03.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Program Contract Commitments</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-7,474</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-43,923</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Increase (Decrease) in Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-226,437</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">468,081</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.05.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Opening Balance of Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">717,929</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">396,401</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6.05.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Closing Balance of Cash and Cash Equivalents</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">491,492</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">864,482</FONT></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 10 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->8<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 7.35pt"><B>Parent Company&rsquo;s Financial Statements / Statement
of Changes in Equity / 01/01/2022 to 03/31/2022 </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 4.1pt 0 8pt 7.35pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border-bottom: black 1pt solid; padding-right: 5.35pt; padding-left: 2pt; line-height: 96%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%"><B>Code</B></FONT></TD>
    <TD STYLE="width: 24%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.95pt; line-height: 7.8pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 16%; border-bottom: black 1pt solid; padding-right: 7.9pt; padding-left: 77.1pt; text-align: center; line-height: 96%; text-indent: -4.7pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%"><B>Paid-up Capital</B></FONT></TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding-right: 14.7pt; padding-left: 8.85pt; text-align: center; line-height: 96%; text-indent: 4.2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%"><B>Capital Reserves, Options Granted, and Treasury Shares</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding-right: 11.55pt; padding-left: 5.4pt; text-align: right; line-height: 7.8pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Profit Reserves</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/7.7pt Arial, Helvetica, Sans-Serif; margin: 0 15.6pt 0 0; text-align: right"><B>Retained Earnings/ Accumulated</B></P>
    <P STYLE="font: 8pt/7.95pt Arial, Helvetica, Sans-Serif; margin: 0 13.65pt 0 0; text-align: right"><B>Losses</B></P></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/7.7pt Arial, Helvetica, Sans-Serif; margin: 0 15.95pt 0 0; text-align: right"><B>Other Comprehensive</B></P>
    <P STYLE="font: 8pt/7.95pt Arial, Helvetica, Sans-Serif; margin: 0 13.95pt 0 0; text-align: right"><B>Income</B></P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; padding-right: 1.65pt; padding-left: 5.4pt; text-align: right; line-height: 7.8pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Equity</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.01</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-left: 5.95pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Opening Balances</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 14.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 11.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">9,885,485</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 13.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 13.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,374</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 1.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">24,931,859</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.03</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Restated Opening Balances</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">9,885,485</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,374</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">24,931,859</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.05</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Total Comprehensive Income</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.9pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.05.01</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-left: 5.95pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Net Income for the Period</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 8.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 14.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 11.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 13.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 13.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 1.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.07</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Closing Balances</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.75pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.6pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">9,885,485</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.65pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.95pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">46,374</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.7pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">25,907,398</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

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

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

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


<!-- Field: Page; Sequence: 11 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->9<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt"><B>Parent Company&rsquo;s Financial Statements / Statement
of Changes in Equity / 01/01/2021 to 03/31/2021 </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border-bottom: black 1pt solid; padding-right: 5.35pt; padding-left: 2pt; line-height: 96%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%"><B>Code</B></FONT></TD>
    <TD STYLE="width: 24%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.95pt; line-height: 7.8pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 16%; border-bottom: black 1pt solid; padding-right: 7.9pt; padding-left: 77.1pt; text-align: center; line-height: 96%; text-indent: -4.7pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%"><B>Paid-up Capital</B></FONT></TD>
    <TD STYLE="width: 12%; border-bottom: black 1pt solid; padding-right: 14.7pt; padding-left: 8.85pt; text-align: center; line-height: 96%; text-indent: 4.2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 96%"><B>Capital Reserves, Options Granted, and Treasury Shares</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding-right: 11.55pt; padding-left: 5.4pt; text-align: right; line-height: 7.8pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Profit Reserves</B></FONT></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/7.7pt Arial, Helvetica, Sans-Serif; margin: 0 15.6pt 0 0; text-align: right"><B>Retained Earnings/Accumulated</B></P>
    <P STYLE="font: 8pt/7.95pt Arial, Helvetica, Sans-Serif; margin: 0 13.65pt 0 0; text-align: right"><B>Losses</B></P></TD>
    <TD STYLE="width: 11%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/7.7pt Arial, Helvetica, Sans-Serif; margin: 0 15.95pt 0 0; text-align: right"><B>Other Comprehensive</B></P>
    <P STYLE="font: 8pt/7.95pt Arial, Helvetica, Sans-Serif; margin: 0 13.95pt 0 0; text-align: right"><B>Income</B></P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; padding-right: 1.65pt; padding-left: 5.4pt; text-align: right; line-height: 7.8pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Equity</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.25pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.01</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-left: 5.95pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Opening Balances</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 8.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 14.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 11.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,194,706</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 13.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 14pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-401,002</FONT></TD>
    <TD STYLE="padding-top: 1.25pt; padding-right: 1.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">22,793,704</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.03</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Restated Opening Balances</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,194,706</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-401,002</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">22,793,704</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.05</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Total Comprehensive Income</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.9pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.05.01</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-left: 5.95pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Net Income for the Period</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 8.7pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 14.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 11.55pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 13.65pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 13.95pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.9pt; padding-right: 1.6pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 2.95pt; padding-left: 2pt; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5.07</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-left: 5.95pt; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Closing Balances</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 8.75pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,000,000</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14.75pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">0</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 11.6pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,194,706</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 13.65pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 14pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-401,002</FONT></TD>
    <TD STYLE="padding-top: 2.95pt; padding-right: 1.7pt; text-align: right; line-height: 7.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">23,290,562</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

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

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

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


<!-- Field: Page; Sequence: 12 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->10<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt"><B>Parent Company&rsquo;s Financial Statements / Statement of
Value Added </B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt"><B>(R$ thousand)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 6.8pt; padding-left: 2pt; line-height: 10pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Code</B></FONT></TD>
    <TD STYLE="width: 45%; padding-right: 5.4pt; padding-left: 7.75pt; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>Description</B></FONT></TD>
    <TD STYLE="width: 24%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 8.3pt 0 0; text-align: right"><B>YTD Current</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 5.8pt 0 0; text-align: right"><B>Year</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/9.9pt Arial, Helvetica, Sans-Serif; margin: 0 4.5pt 0 0; text-align: right"><B>YTD Previous</B></P>
    <P STYLE="font: 8pt/9.15pt Arial, Helvetica, Sans-Serif; margin: 0 2.05pt 0 0; text-align: right"><B>Year</B></P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 5.8pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2022 to 03/31/2022</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; padding-right: 2.1pt; padding-left: 5.4pt; text-align: right; line-height: 10.05pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt"><B>01/01/2021 to 03/31/2021</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.2pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.01</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Revenue</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5,020,137</FONT></TD>
    <TD STYLE="padding-top: 1.2pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">4,851,677</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Goods, Products and Services Sold</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">4,298,220</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">3,937,222</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other Revenue</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">11,405</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">12,201</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Revenue from Construction of Own Assets</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">888,206</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">1,023,305</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.01.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Allowance for/Reversal of Doubtful Accounts</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-177,694</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-121,051</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Inputs Acquired from Third Parties</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-2,109,805</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-2,213,012</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Costs of Goods, Products and Services Sold</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-1,815,325</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-1,956,218</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Materials, Electricity, Outsourced Services, and Others</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-286,735</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-259,675</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.02.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-7,745</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,881</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Gross Value Added</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,910,332</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,638,665</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.04</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Retentions</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-589,746</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-542,052</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.04.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Depreciation, Amortization, and Depletion</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-589,746</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-542,052</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.05</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Net Value Added Produced</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,320,586</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,096,613</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.06</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Wealth Received in Transfer</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">214,363</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">124,926</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.06.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Equity Accounting</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">5,583</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">8,054</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.06.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Financial Income</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">208,780</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">116,872</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.07</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Total Value Added to Distribute</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,534,949</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,221,539</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Value Added Distribution</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,534,949</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">2,221,539</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Personnel</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">592,898</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">560,180</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.01.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Salaries and Wages</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">423,433</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">395,334</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.01.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Benefits</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">134,812</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">135,489</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.01.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Government Severance Indemnity Fund for Employees (FGTS)</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">34,653</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">29,357</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Taxes and Contributions</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">980,831</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">692,278</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.02.01</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Federal</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">922,600</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">633,647</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.02.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">State</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">42,331</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">43,166</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.02.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Municipal</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.75pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,900</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">15,465</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.03</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Value Distributed to Providers of Capital</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-14,319</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">472,223</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.03.01</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Interest</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">-20,789</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">465,829</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.03.02</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Rentals</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,470</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">6,394</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.75pt; padding-left: 2pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.04</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-left: 7.75pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Value Distributed to Shareholders</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 5.8pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD>
    <TD STYLE="padding-top: 1.75pt; padding-right: 2.05pt; text-align: right"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 1.7pt; padding-left: 2pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">7.08.04.03</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-left: 7.75pt; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">Retained Earnings/Accumulated Losses for the Period</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 5.8pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">975,539</FONT></TD>
    <TD STYLE="padding-top: 1.7pt; padding-right: 2.05pt; text-align: right; line-height: 9.35pt"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">496,858</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

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

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


<!-- Field: Page; Sequence: 13; Options: NewSection; Value: 11 -->
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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 14.2pt">&nbsp;</P>

<P STYLE="font: 14pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 14.2pt; color: navy"><B>Highlights</B></P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt 14.2pt; text-align: justify">The Company recorded a net income
of R$ 975.6 million in 1Q22, compared to the R$ 496.8 million reported in 1Q21, an increase of R$ 478.8 million (+96.4%).</P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt 14.2pt; text-align: justify">Adjusted EBITDA totaled R$ 1,721.3
million, up by R$ 84.9 million from the R$ 1,636.4 million reported in 1Q21 (+5.2%).</P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify"><B>Revenue from sanitation services
</B></P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify">Increase of R$ 361.0 million,
impacted by (i) tariff adjustment; and (iii) higher average tariff, due to the increase in the billed volume in the Commercial and Public
categories.</P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify; color: red"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify"><B>Costs, administrative &amp;
selling expenses (excluding construction costs)</B></P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify">Growth of R$ 286.0 million,
mainly due to the (i) R$ 56.6 million increase in allowances for doubtful accounts; (ii) R$ 53.1 million increase in electricity expenses; (iii) R$ 48.4 million increase in treatment supplies; (iv) R$ 47.6 million increase
in depreciation and amortization; and (v) R$ 46.7 million increase in expenses with salaries, payroll charges, benefits, and pension plan
obligations.</P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify"><B>Impacts from the exchange
variation</B></P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify">Exchange variation expenses
on borrowings and financing fell by R$ 731.8 million, due to the depreciation of the U.S. dollar and the Japanese Yen against the Brazilian
real in 1Q22, compared to the appreciation reported in 1Q21, as shown in the table below:</P>

<P STYLE="font: 9.5pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 28.35pt 0 14.2pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 70%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 16%; border: Black 1pt solid; background-color: #95B3D7; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #95B3D7; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Foreign currency debt - R$ million</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2,603.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">3,552.4</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Foreign currency debt as a percentage of total debt </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">15%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">21%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">U.S. variation in the quarter </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-15.1%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">9.6%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Yen variation in the quarter </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-19.5%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 14.2pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2.2%</FONT></TD></TR>
  </TABLE>
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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->12<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
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<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>1.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Result for the period</FONT></B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="5" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 45%; border-left: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 16%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 15%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 13%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 11%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Revenue from sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,298.2 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3,937.2 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;361.0 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.2 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construction revenue</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;888.2 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,023.3 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(135.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(13.2)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;COFINS and PASEP/TRCF taxes</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(316.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(283.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(32.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.6 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>(=) Net operating income</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,870.4 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,677.4 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;193.0 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.1 </B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Costs and expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2,876.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2,590.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(286.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.0 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construction costs</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(867.5)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1,000.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;132.8 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(13.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equity accounting</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.6 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.1 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2.5)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(30.9)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other operating income (expenses), net</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.6 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.7 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(8.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(75.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>(=) Earnings before financial result, income tax, and social contribution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,134.2 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,105.0 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;29.2 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.6 </B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial result</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;340.1 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(354.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;694.5 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(196.0)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>(=) Earnings before income tax and social contribution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,474.3 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;750.6 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;723.7 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;96.4 </B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(498.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(253.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(244.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;96.5 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>(=) Net income</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;975.6 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;496.8 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;478.8 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;96.4 </B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Earnings per share (R$)*</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.43 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.73 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 8pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 7.1pt; color: red"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 7pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0.7in 8pt 7.1pt"><I>(*) Number of shares = 683,509,869</I></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 7.1pt; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 11pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt 7.1pt; color: navy"><B>Adjusted EBITDA Reconciliation (Non-accounting
measures)</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="5" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 45%; border-left: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 16%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 15%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 13%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 11%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net income</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;975.6 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;496.8 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;478.8 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;96.4 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;498.7 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;253.8 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;244.9 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;96.5 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial result</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(340.1)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;354.4 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(694.5)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(196.0)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other operating income (expenses), net</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2.6)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(10.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.1 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(75.7)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>(=) Adjusted EBIT*</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,131.6 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,094.3 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;37.3 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.4 </B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Depreciation and amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;589.7 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;542.1 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;47.6 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.8 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>(=) Adjusted EBITDA**</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,721.3 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,636.4 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;84.9 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.2 </B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(%) Adjusted EBITDA margin</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; color: black; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;35.3 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; color: black; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;35.0 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 7.1pt">&nbsp;</P>

<P STYLE="font: 7pt Arial, Helvetica, Sans-Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 7.1pt; text-transform: uppercase; text-align: justify"><I>* <FONT STYLE="text-transform: none">Adjusted
EBIT corresponds to income before: (i) other operating revenues (expenses), net; (ii) financial result; and (iii) income tax and social
contribution.</FONT></I></P>

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


<!-- Field: Page; Sequence: 15 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->13<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
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<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 49.6pt 6pt 7.1pt; text-align: justify">The net operating revenue, which
considers construction revenue, totaled R$ 4,870.4 million in 1Q22, up by 4.1% over 1Q21.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 49.6pt 6pt 7.1pt; text-align: justify">Costs and expenses, which consider
construction costs, totaled R$ 3,744.4 million, up by 4.3% over 1Q21.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 49.6pt 6pt 7.1pt; text-align: justify">Adjusted EBIT, of R$ 1,131.6
million, increased by 3.4% over the R$ 1,094.3 million recorded in 1Q21.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 49.6pt 6pt 7.1pt; text-align: justify">Adjusted EBITDA, of R$ 1,721.3
million, increased by 5.2% over the R$ 1,636.4 million recorded in 1Q21 (R$ 6,457.6 million in the last 12 months).</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 49.6pt 6pt 7.1pt; text-align: justify">The adjusted EBITDA margin was
35.3% in 1Q22, compared to 35.0% in 1Q21 (32.8% in the last 12 months).</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 49.6pt 6pt 7.1pt; text-align: justify">Excluding the effects of revenue
and construction costs, the adjusted EBITDA margin reached 42.7% in 1Q22, compared to 44.2% in 1Q21 (41.2% in the last 12 months).</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 49.6pt 6pt 7.1pt; text-align: justify">The Company recorded a net income
of R$ 975.6 million in 1Q22, compared to R$ 496.8 million in 1Q21.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>2.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Revenue from sanitation services</FONT></B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify">The gross operating revenue from sanitation
services, which excludes construction revenue, totaled R$ 4,298.2 million in 1Q22, an increase of R$ 361.0 million (+9.2%) over the R$
3,937.2 million recorded in 1Q21.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 21.25pt 6pt 7.1pt; text-align: justify">Among others, the main factors
that led to the increase were:</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Average tariff adjustment of 7.0% since May 2021;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Higher average tariff due to the increase in the billed volume in the Commercial and Public categories; and</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Decrease of 0.4% in the total billed volume.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 21.25pt 0 7.1pt; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>3.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Construction revenue</FONT></B></P>

<P STYLE="font: 9.5pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt; text-align: justify">Construction revenue fell by R$ 135.1 million
(-13.2%) in 1Q22, due to lower investments made.</P>


<!-- Field: Page; Sequence: 16 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->14<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 14pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 7.1pt; color: red"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>4.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-size: 14pt; color: navy">Billed volume</FONT></B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 21.25pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt; text-align: justify">The following tables show the water and
sewage billed volumes, on a quarter-over-quarter basis, per customer category and region.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt; text-align: justify; color: red">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top; background-color: #8EA9DB">
    <TD COLSPAN="10" STYLE="border: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif"><B>WATER AND SEWAGE BILLED VOLUME<SUP>(1)</SUP> PER CUSTOMER CATEGORY &ndash; million m<SUP>3</SUP></B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Water</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Sewage</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Water + Sewage</B></FONT></TD></TR>
  <TR STYLE="background-color: #D9E1F2">
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Category</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="width: 92px; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var. %</B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Residential</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;472.6 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;478.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1.1)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;409.5 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;410.8 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.3)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;882.1 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;888.8 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.8)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Commercial</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;41.4 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;41.5 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.2)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;40.3 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;39.2 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.8 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;81.7 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;80.7 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.2 </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Industrial</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.1 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.5 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4.7)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.1 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.5 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4.2)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;17.2 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;18.0 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4.4)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Public</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.5 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;18.8 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.5 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.9 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.6 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;18.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;15.9 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;13.2 </FONT></TD></TR>
  <TR STYLE="background-color: #F2F2F2">
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Total retail</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;531.6 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;536.0 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.8)</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;467.4 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;467.4 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;&nbsp;&nbsp;</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;999.0 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,003.4 </B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.4)</B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Wholesale <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.9 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;13.1 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(9.2)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.8 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;45.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;17.7 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;17.1 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.5 </FONT></TD></TR>
  <TR STYLE="background-color: #F2F2F2">
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Overall Total</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;543.5 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;549.1 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1.0)</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;473.2 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;471.4 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.4 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,016.7 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,020.5 </B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.4)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: #8EA9DB">
    <TD COLSPAN="10" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif"><B>WATER AND SEWAGE BILLED VOLUME<SUP>(1)</SUP> PER REGION &ndash; million m<SUP>3</SUP></B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Water</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Sewage</B></FONT></TD>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Water + Sewage</B></FONT></TD></TR>
  <TR STYLE="background-color: #D9E1F2">
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Region</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var. %</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var. %</B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Metropolitan</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;354.3 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;358.5 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1.2)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;311.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;312.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.3)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;665.3 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">670.5</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.8)</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Regional <SUP>(2)</SUP></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;177.3 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;177.5 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.1)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;156.4 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;155.4 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.6 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;333.7 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;332.9 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.2 </FONT></TD></TR>
  <TR STYLE="background-color: #F2F2F2">
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Total retail</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;531.6 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;536.0 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.8)</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;467.4 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;467.4 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-&nbsp;&nbsp;&nbsp;</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;999.0 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,003.4 </B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.4)</B></FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Wholesale <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.9 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;13.1 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(9.2)</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.8 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;45.0 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;17.7 </FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;17.1 </FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.5 </FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Overall Total</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;543.5 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;549.1 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1.0)</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;473.2 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;471.4 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.4 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,016.7 </B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; border-right: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1,020.5 </B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; background-color: #F2F2F2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(0.4)</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 8pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none"><I>(1)
Unaudited by external auditors</I></FONT></P>

<P STYLE="font: 8pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none"><I>(2)
Including coastal and interior regions</I></FONT></P>

<P STYLE="font: 8pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none"><I>(3)
Wholesale includes volumes of reuse water and non-domestic sewage</I></FONT></P>

<P STYLE="font: 8pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none"><I>&nbsp;</I></FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
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<P STYLE="font: 8pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt"><I>&nbsp;</I></P>

<P STYLE="font: 12pt Tms Rmn; margin: 0 0 0 7.1pt; text-transform: uppercase; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>5.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Costs, administrative &amp; selling expenses, and construction costs</FONT></B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">Costs, administrative and selling
expenses, and construction costs increased by R$ 153.2 million in 1Q22 (+4.3%). Excluding construction costs, the increase was R$ 286.0
million (+11.0%).</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt">Costs, administrative and selling expenses, and construction
costs as a percentage of net revenue were 76.9% in 1Q22, compared to 76.8% in 1Q21.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="5" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 53%; border-left: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 15%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 11%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Salaries, payroll charges and benefits, and Pension plan obligations</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">668.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">621.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">46.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">7.5</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">General supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">71.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">68.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">3.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">5.3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Treatment supplies</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">147.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">98.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">48.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">48.9</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Services</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">512.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">503.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">8.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1.6</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Electricity</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">412.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">358.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">53.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">14.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">General expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">279.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">258.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">20.2</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">7.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Tax expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">19.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">17.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">9.2</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Subtotal</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2,109.5</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,927.7</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>181.8</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>9.4</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Depreciation and amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">589.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">542.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">47.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">8.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">177.7</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">121.1</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">56.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">46.7</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Subtotal</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>767.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>663.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>104.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>15.7</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Costs, administrative &amp; selling expenses</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2,876.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2,590.9</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>286.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>11.0</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Construction costs</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">867.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,000.3</FONT></TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">(132.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">(13.3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Costs, adm &amp; selling expenses, and construction costs</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>3,744.4</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>3,591.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>153.2</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; background-color: white; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>4.3</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">% of net revenue</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">76.9</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">76.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt">&nbsp;</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>Salaries, payroll charges
and benefits, and Pension plan obligations</B></P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">Increase of R$ 46.7 million (+7.5%)
in 1Q22, mainly due to the 7.8% salary adjustment in May 2021 and the application of 1% referring to the Career and Salary Plan in February
2022, partially offset by the 2.3% decline in the average number of employees; with a net effect of R$ 51.6 million.</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>Treatment supplies</B></P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">Increase of R$ 48.4 million (+48.9%),
mainly due to the higher use of algaecides, coagulants, and disinfectants in several Water Treatment Stations to maintain the quality
of raw water, as well as to the increase in product prices.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>Services</B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">Service expenses totaled R$
512.1 million, an increase of R$ 8.2 million (+1.6%) over the R$ 503.9 million recorded in 1Q21. The main increases were:</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 15.5 million paid to technical services, especially computer technical support;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 14.1 million with surveillance;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 11.0 million with customer service channels; and</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> R$ 9.6 million with advertising.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">The increases above were offset
by the main decreases:</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 25.0 million with the maintenance of water and sewage connections and networks; and</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 20.9 million with paving and replacing of sidewalks.</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>Electricity</B></P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">Electricity expenses totaled R$ 412.0
million in 1Q22, up by R$ 53.1 million (+14.8%) over the R$ 358.9 million recorded in 1Q21. In 1Q22, the Free Market Tariffs (ACL) accounted
for 52.0% of total expenses (51.5% in 1Q21) while the Regulated Market Tariffs (ACR) accounted for 48.0% (48.5% in 1Q21).</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">The main factors that contributed
to this variation were:</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Average increase of 1.7% in ACL prices (includes Grid Market Tariffs - TUSD), with a 0.8% rise in consumption; and</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Average increase of 37.9% in ACR tariffs, with a 6.9% decrease in consumption.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>General expenses</B></P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">Increase of R$ 20.2 million (+7.8%),
totaling R$ 279.1 million in 1Q22, compared to the R$ 258.9 million recorded in 1Q21, mainly from the higher provision for transfer to
the Municipal Funds for Environmental Sanitation and Infrastructure, of R$ 14.2 million, resulting from an increase in revenue and the
number of municipalities with expected transfers.</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">Expenses with municipal transfers
totaled R$ 163.0 million in 1Q22, compared to the R$ 148.8 million reported in 1Q21.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify; color: navy"><B>Depreciation and
amortization</B></P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">The R$ 47.6 million increase (+8.8%)
was due to the beginning of operations of intangible assets, totaling R$ 4.4 billion.</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>Allowance for doubtful accounts</B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">Increase of R$ 56.6 million (+46.7%),
due to the higher delinquency recorded in 1Q22.</P>


<!-- Field: Page; Sequence: 19 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->17<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>6.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Financial result</FONT></B></P>

<P STYLE="font: 14pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: red"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 58%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B><I>R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Financial expenses, net of income</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(171.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(158.6)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(13.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">8.4</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Monetary and exchange variations, net</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">512.0</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(195.8)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">707.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(361.5)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Financial Result</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>340.1</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(354.4)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>694.5</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(196.0)</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>Financial expenses, net of
revenue</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 59%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B><I>R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Financial expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">&nbsp;&nbsp;&nbsp;Interest and charges on domestic borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(189.6)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(104.6)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(85.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">81.3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">&nbsp;&nbsp;&nbsp;Interest and charges on international borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(8.6)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(12.5)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">3.9</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(31.2)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">&nbsp;&nbsp;&nbsp;Other financial expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(114.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(101.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(13.0)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">12.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Total financial expenses</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(312.5)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(218.4)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(94.1)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>43.1</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Financial revenue</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">140.6</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">59.8</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">80.8</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">135.1</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Financial expenses, net of revenue</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(171.9)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(158.6)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(13.3)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>8.4</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-transform: uppercase; text-align: justify"><FONT STYLE="text-transform: none">The
main impacts in the &ldquo;financial expenses, net of income&rdquo; line resulted from:</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-transform: uppercase; text-align: justify; color: red"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Increase of R$ 85.0 million in interest and charges on domestic borrowings and financing, mainly due to (i) higher interest on
debentures, of R$ 52.0 million, mainly from the proceeds of the 28th, 29th, and 30th issues; and (ii) rise in the average DI rate (from
2.02% in 1Q21 to 10.27% in 1Q22)<FONT STYLE="color: red">, </FONT>which impacted interest on several domestic borrowings;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Increase of R$ 13.0 million in other financial expenses, mainly due to the adjusted present value of receivables and performance
agreements; and</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Increase of R$ 80.8 million in financial revenues, mainly on financial investments in 1Q22, as a result of the higher average balance
adopted and the average DI rate.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt; color: red">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>Monetary and exchange variations,
net</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 61%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B><I>R$ million</I></B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Var.</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>R$</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Monetary and exchange variations on liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; background-color: white; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">&nbsp;&nbsp;&nbsp;Monetary variations on borrowings and financing </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(70.7)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(52.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(18.3)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">34.9</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">&nbsp;&nbsp;&nbsp;Exchange variations on borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">594.2</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(137.6)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">731.8</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(531.8)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">&nbsp;&nbsp;&nbsp;Other monetary variations</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(69.9)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(57.4)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(12.5)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">21.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Total monetary and exchange variations on liabilities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>453.6</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(247.4)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>701.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(283.3)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Monetary and exchange variations on assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">58.4</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">51.6</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">6.8</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">13.2</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Monetary and exchange variations, net</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>512.0</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(195.8)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>707.8</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>(361.5)</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: red"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">The effect of net monetary and exchange
variations in 1Q22 was R$ 707.8 million, lower than the amounts reported in 1Q21, especially due to:</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 18.3 million increase in monetary variations on borrowings and financing, due to the rise in the IPCA consumer price index (from
2.05% in 1Q21 to 3.20% in 1Q22), and the 29th issue debenture;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 731.8 million decrease in exchange variations on borrowings and financing, due to the (i) depreciation of the U.S. dollar and
Yen against the Real in 1Q22 (-15.1% and -19.5%, respectively), when compared to the appreciations recorded in 1Q21 (9.6% and 2.2%, respectively);</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 12.5 million increase in other monetary variations, due to (i) higher monetary variation on asset leases (leases), of R$ 6.1
million, due to the rise in the quarter IPC; and (ii) higher monetary variation on lawsuits, of R$ 6.3 million; and</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>R$ 6.8 million increase in monetary and exchange variation gains, mainly due to higher adjustments on the agreement with the S&atilde;o
Paulo State Government - GESP, of R$ 6.1 million, given the rise in the IPCA consumer price index.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>7.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Income tax and social contribution</FONT></B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 7.1pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify">The R$ 244.9 million increase in 1Q22 was
mainly due to:</P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Higher net operating revenue, of R$ 193.0 million;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Positive exchange variation, of R$ 731.8 million, from an expense of R$ 137.6 million in 1Q21 to a revenue of R$ 594.2 million in 1Q22; and</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Symbol">&#183;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Higher costs and expenses, of R$ 286.0 million.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify">&nbsp;</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Arial, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>8.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Indicators</FONT></B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 7.1pt; text-align: justify; color: navy"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in; color: navy"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif"><B>a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Operating</FONT></B></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom; background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 64%; border: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; color: black; line-height: 107%"><B>Information <SUP>(*)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 11%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; color: black; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; color: black; line-height: 107%"><B>1Q21</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 11%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; color: black; line-height: 107%"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Water connections <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">9,872</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">10,133</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(2.6)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Sewage connections <SUP>(1)</SUP>&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">8,451</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">8,566</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(1.3)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Population directly served - water <SUP>(2)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">27.8</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">27.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">0.7</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Population directly served - sewage (<SUP>2</SUP>)</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">24.6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">24.4</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">0.8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Number of employees</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">12,435</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">12,742</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(2.4)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Volume of water produced in the quarter <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">714.5</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">728</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">(1.9)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0 7.1pt; text-indent: 0.25in"><SUP>(1)</SUP> Total connections, active and inactive,
in thousand units at the end of the period. Excludes connections in Mau&aacute;.</P>

<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 99.2pt 0 7.1pt; text-indent: 0.25in"><SUP>(2)</SUP> In million inhabitants, at the
end of the period. Does not include wholesale.</P>

<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 99.2pt 0 7.1pt; text-indent: 0.25in"><SUP>(3)</SUP> In millions of cubic meters.
Excludes Agua&iacute;, Tapiratiba, and Tejup&aacute;</P>

<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 99.2pt 0 7.1pt">&nbsp;</P>

<P STYLE="font: 8pt Arial, Helvetica, Sans-Serif; margin: 0 99.2pt 0 7.1pt; text-transform: uppercase; text-align: left; text-indent: 0.25in"><FONT STYLE="text-transform: none"><SUP>(*)</SUP>
Unaudited by external auditors</FONT></P>

<P STYLE="font: 8pt Arial, Helvetica, Sans-Serif; margin: 0 21.55pt 0 7.1pt; text-transform: uppercase; text-align: left"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 8pt Arial, Helvetica, Sans-Serif; margin: 0 21.55pt 0 7.1pt; text-transform: uppercase; text-align: left"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in; color: navy"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif"><B>b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Economic</FONT></B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 7.1pt; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; width: 72%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Economic variables at the end of the quarter (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>1Q22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>1Q21</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Amplified Consumer Price Index <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">3.20</FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">2.05</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">National Consumer Price Index <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">3.42</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">1.96</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Consumer Price Index <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">2.95</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">1.81</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Interbank Deposit Certificate <SUP>(2)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">10.27</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">2.02</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">U.S. dollar <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">4.7378</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">5.6973</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Yen <SUP>(3)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">0.03902</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">0.05152</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: center; color: red"><B>&nbsp;</B></P>

<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0 7.1pt"><SUP>(1)</SUP> Accrued in the quarter (%)</P>

<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0 7.1pt"><SUP>(2)</SUP> Average quarterly rate</P>

<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0 7.1pt"><SUP>(3)</SUP> Ptax sale rate on the last day</P>

<P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 0 7.1pt"><SUP>(*)</SUP> Unaudited by external auditors</P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 0 7.1pt">&nbsp;</P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 0 7.1pt">&nbsp;</P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 0 7.1pt">&nbsp;</P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 0 7.1pt">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->20<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 9.5pt Georgia, Times, Serif; margin: 0 0 0 7.1pt">&nbsp;</P>

<P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 0 7.1pt">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>9.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Borrowings and financing</FONT></B></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 26%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>R$ thousand</I></B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; background-color: #8DB4E2; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>DEBT PROFILE</B></FONT></TD>
    <TD COLSPAN="9" STYLE="padding-bottom: 8pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD></TR>
  <TR STYLE="background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>INSTITUTION</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2022</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2023</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2024</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2025</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2026</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2027</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2028 onwards</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>TOTAL</B></FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>% of total</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>Local currency</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">251,570</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">734,429</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,068,081</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,198,750</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,088,854</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,685,967</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2,062,920</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">8,090,571</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">46</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">75,242</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">95,594</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">94,949</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">100,886</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">107,197</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">113,891</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">908,431</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,496,190</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">8</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">157,401</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">203,143</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">196,472</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">176,313</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">166,507</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">154,061</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">282,262</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,336,159</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">8</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">IDB 2202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">90,674</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,437,897</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2,435,316</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">14</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">IDB INVEST</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">18,670</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">37,340</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">39,550</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">44,300</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">106,390</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">108,728</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">554,258</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">909,236</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">5</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Lease (Concession Agreements, Program Contracts, and Contract Asset) <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">40,175</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">42,915</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">45,143</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">40,409</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">30,632</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">33,616</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">153,587</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">386,477</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Leases (others) <SUP>(2)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">52,597</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">44,333</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">11,470</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">6,585</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2,093</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">198</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">117,276</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">4,301</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">5,656</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2,393</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2,162</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">14,512</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">0</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">238,634</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">238,634</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1</FONT></TD></TR>
  <TR STYLE="background-color: #C5D9F1">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>Total in local currency</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>929,264</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,344,759</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,639,407</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,750,754</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,683,022</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2,277,810</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>5,399,355</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>15,024,371</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>85</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>Foreign currency</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">IDB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">24,348</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">48,696</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">48,696</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">53,225</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">9,059</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">9,059</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">135,468</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">328,551</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">14,402</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">181,313</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">339,735</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">2</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">89,346</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">930,375</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">1,856,856</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">11</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">IDB 1983AB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">36,445</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">35,958</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">72,403</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">0</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">6,174</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">6,174</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">0</FONT></TD></TR>
  <TR STYLE="background-color: #C5D9F1">
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>Total in foreign currency</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>170,715</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>280,885</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>244,927</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>249,456</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>205,290</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>205,290</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,247,156</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2,603,719</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>15</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="background-color: #8DB4E2">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B><I>TOTAL</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,099,979</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,625,644</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,884,334</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2,000,210</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>1,888,312</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>2,483,100</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>6,646,511</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>17,628,090</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>100</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 14.15pt 6pt 7.1pt; text-align: justify; color: red">&nbsp;</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 8pt"><I>(1)</I></FONT><I><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-size: 8pt">Refers to work contracts signed as Assets Lease;</FONT></I></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 8pt"><I>(2)</I></FONT><I><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 8pt">Obligations related to leasing agreements, mainly vehicle leases. </FONT></I></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>&nbsp;</B></P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->21<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Comments on the Company&rsquo;s Performance</B></P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; color: navy"><B>Covenants</B></P>

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify">The table below shows the most restrictive
clauses in 1Q22:</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="background-color: #8EA9DB">
    <TD STYLE="white-space: nowrap; width: 74%; border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 26%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%"><B>Covenants</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Adjusted EBITDA / Adjusted Financial Expenses</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Equal to or higher than 2.80</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">EBITDA / Financial Expenses Paid</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Equal to or higher than 2.35</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Adjusted Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Equal to or lower than 3.80</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Equal to or lower than 3.50</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Total Adjusted Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Lower than 3.65</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Other Onerous Debt <SUP>(1) </SUP>/ Adjusted EBITDA</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Equal to or lower than 1.30</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Adjusted Current Ratio</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt; line-height: 107%">Higher than 1.00</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 9.5pt Georgia, Times, Serif; margin-top: 0pt; margin-bottom: 6pt; margin-left: 7.1pt; text-indent: 0in"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">(1)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 8pt">&ldquo;Other Onerous Debt&rdquo; corresponds to the sum
of pension plan obligations, healthcare plan, installment payment of tax debts, and installment payment of debts with the electricity
supplier.</FONT></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 63.8pt 6pt 7.1pt; text-align: justify">As of March 31, 2022, the Company
had met the requirements of its borrowings and financing agreements.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 63.8pt 6pt 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/200% Arial, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 14pt; color: #000099"><B>10.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt; color: #000099">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 14pt; color: navy">Investments</FONT></B></P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt 7.1pt; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify">Investments totaled R$ 980.8 million
in 1Q22, presented as additions in the notes to the quarterly information under Contract Asset, Intangible Assets, and Property, Plant
and Equipment, of R$ 958.1 million, R$ 14.1 million, and R$ 8.6 million, respectively. Cash disbursed in 1Q22 referring to the Company&rsquo;s
investments, including from previous periods, totaled R$ 660.2 million.</P>

<P STYLE="font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 7.1pt 6pt; text-align: justify">The table below shows investments broken
down by water, sewage, and region:</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="4" STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B><I>R$ million</I></B></FONT></TD></TR>
  <TR STYLE="background-color: #95B3D7">
    <TD STYLE="white-space: nowrap; width: 53%; border-left: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Investment - January to March/22</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 17%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Water</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 17%; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Sewage </B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 13%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Total</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Metropolitan Region</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">149.1 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">529.3 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">678.4 </FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">Regional Systems</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">138.4 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">164.0 </FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%">302.4 </FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>Total</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>287.5 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>693.3 </B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 7.1pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 107%"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif; font-size: 9pt; line-height: 107%"><B>980.8 </B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 3.9pt 0 8pt 7.35pt">&nbsp;</P>


<!-- Field: Page; Sequence: 24; Options: NewSection; Value: 22 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->22<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Operations</B></FONT></TD></TR></TABLE>

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

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

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

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the Company operated water and
sewage services in 375 municipalities of the S&atilde;o Paulo State, 342 of which have already signed contracts, according to Law 11,445/2007.
Most of these municipalities&rsquo; operations are based on 30-year concession, program, and service contracts, except for the municipalities
of Guarulhos, Mau&aacute;, Santo Andr&eacute;, S&atilde;o Bernardo do Campo, S&atilde;o Jo&atilde;o da Boa Vista, and Tejup&aacute;, which
have 40-year term contracts.</P>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="vertical-align: bottom; width: 52%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: top; width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total municipalities that have already signed contracts</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">342</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">342</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">342</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Balance &ndash; intangible and contract asset</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">42,639,277</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">42,260,091</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">40,324,692</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract asset</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">93.83%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">93.80%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">93.79%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,084,343</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">15,490,808</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,741,662</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95.02%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95.01%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95.03%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Municipalities with expired contracts:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Balance &ndash; intangible and contract asset</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">211,225</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">214,329</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">216,603</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 7.1pt; text-indent: -7.1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract asset</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.46%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.48%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.50%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">11,316</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">41,194</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">9,957</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.26%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.25%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.25%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Municipalities with concession agreements due by 2030:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">25</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">25</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">25</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Balance &ndash; intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,110,000</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,127,920</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,165,690</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;Percentage of intangible and contract assets</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2.44%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2.50%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2.71%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">170,205</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">653,408</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">155,216</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 5.65pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3.96%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4.01%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3.94%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Municipality of S&atilde;o Paulo:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 8.65pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of intangible and contract asset</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">43.15%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">43.11%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">42.65%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 8.65pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Percentage of revenue from sanitation services (excluding construction revenue)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44.12%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44.45%</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44.30%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

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


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify"><B>Economic instability worsened by COVID-19</B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">The global economic instability worsened with
the outbreak of a new coronavirus in early 2020, which was considered a pandemic by the World Health Organization (WHO). Accordingly,
SABESP adopted 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&rsquo;s recommendations for everyone to keep good hygiene habits, such as washing hands correctly and more frequently.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">In 2020 and 2021, the Company implemented
several preventive measures so that its employees were not exposed to situations of risk, such as (i) remote working, especially in the
administrative and commercial areas, and those more than 60 years of age; (ii) restriction of domestic and international trips; (iii)
anticipation of 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. These measures were relaxed at the end of 2021 after the professionals&rsquo;
vaccination cycle was complete.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">Regarding the effects of COVID-19, we emphasize
the migration, in 2020, of the billed volume of the public, commercial, and industrial categories that have average tariffs higher than
the tariff charged from the residential category, which slightly recovered in 2021 compared to 2020. Moreover, in the first quarter of
2022 compared to the same period of 2021, there has been a recovery in the volume of the commercial and public categories to the detriment
of the residential and industrial categories.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">Expenses with allowance for doubtful accounts
are still rising over the same period in 2021, due to the higher delinquency in 2022.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify"><B>New Legal Sanitation Framework</B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">On July 15, 2020, Federal Law 14,026/2020,
known as New Legal Framework for Basic Sanitation, was sanctioned. The new law expands competition in the sector by extinguishing program
contracts, encourages the region-wise provision of services to promote economies of scale, and provides for strengthening the service
regulation.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">Additionally, the New Legal Framework imposes
performance goals to reach 99% of the population served with drinking water and 90% with sewage collection and treatment by December 31,
2033, encouraging operators to increase efficiency. The new Law also granted the National Water Agency (ANA) with power to edit reference
rules to regulate sanitation services, aiming to standardize the operation of the regulatory agencies and minimize regulatory uncertainties,
thus creating a more stable and attractive environment for investments in the sector.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">As of May 31, 2021, Federal Decree 10,710
was published, regulating article 10-B of Law 11,445/2007, establishing the methodology for proving the economic and financial capacity
of public providers of drinking water supply and sewage services, to enable the compliance with the universalization goals by 2033. Said
Decree 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 Legal Framework.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">According to the aforementioned Decree, as
of December 30, 2021, the Company presented a requirement to the S&atilde;o Paulo State Utility Services Regulatory Agency (ARESESP) containing
documents that prove its capacity to maintain the provision of services in the operated area by meeting the goals of universal water and
sewage collection and treatment by 2033, defined by the New Legal Framework, attested and certified by the independent auditors. As of
March 28, 2022, ARSESP recognized the Company&rsquo;s economic-financial capacity, under the applicable legislation.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify">In this new context, the Company understands
that it is important to highlight that i) it has 366 regular contracts that have already been adapted to the provisions of the New Legal
Framework, which ensure 99.5% of revenue; ii) it has access to public capital and the private capital market, due to its sound reputation,
favoring the maintenance and/or expansion of its operating base and compliance with the universalization of services within the deadline
established by the new law; and iii) it has high governance level.</P>

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

<P STYLE="font: 10pt Georgia, Times, 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&rsquo;s commitments and not compromise the necessary investments.</P>

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

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The quarterly information was approved by the Board of
Directors on May 6, 2022.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Basis of preparation and presentation
of the quarterly information</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Presentation of the Quarterly Information</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The quarterly information as of March 31, 2022, was prepared
based on the provisions of CPC 21 (R1) &ndash; Interim Financial Information and the international standard IAS 34 &ndash; Interim Financial
Reporting, issued by the International Accounting Standards Board (IASB), applicable to the preparation of the Quarterly Information Form
&ndash; ITR, and is fairly presented consistent with the rules issued by the Brazilian Securities and Exchange Commission (CVM). Accordingly,
this Quarterly Information takes into consideration the Official Letter CVM/SNC/SEP 003 of April 28, 2011, which allows the entities to
present selected notes to the financial statements, in cases of redundant information already disclosed in the Annual Financial Statements.
Therefore, the quarterly information as of March 31, 2022, 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, 2021, prepared under the International
Financial Reporting Standards &ndash; IFRS, issued by the International Accounting Standards Board &ndash; IASB, and the accounting practices
adopted in Brazil, which observe the pronouncements issued by the Brazilian Accounting Pronouncements Committee - CPC. Therefore, in this
quarterly information, the notes below were either not presented or are not as detailed as those in the annual financial statements (according
to numerical references):</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">i.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Summary of significant accounting policies
(Note 3);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">ii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Changes in accounting practices and
disclosures (Note 4);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">iii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Risk management &ndash; Financial instruments
(Note 5.4);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">iv.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Key accounting estimates and judgments
(Note 6);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">v.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Related-party balances and transactions
(Note 11);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">vi.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Investments (Note 12);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">vii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Intangible assets (Note 15);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">viii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Borrowings and financing (Note 17);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">ix.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Deferred taxes and contributions (Note
19);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">x.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Provisions (Note 20);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">xi.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Pension plan obligations (Note 22);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">xii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Equity (Note 24);</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">xiii.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Insurance (Note 27);</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">All material information related to the quarterly information,
and this information alone, is being disclosed and corresponds to the information used by the Company&rsquo;s Management in its administration.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amounts disclosed in the Notes to the quarterly information
are in thousands of Brazilian reais, unless otherwise stated.</P>

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


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Summary of significant accounting
policies</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The accounting policies used in the preparation of the
quarterly information as of March 31, 2022, are consistent with those used to prepare the Annual Financial Statements for the year ended
December 31, 2021, disclosed in Note 3 of such financial statements.</P>

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

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Risk management</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>4.1</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial Risk Management</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company's activities are affected by the Brazilian
economic scenario, making it exposed to market risk (exchange rate and interest rate), credit risk, and liquidity risk. Financial risk
management is focused on the unpredictability of financial markets and seeks to minimize potential adverse effects on financial performance.</P>

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

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Market risk</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Currency exposure implies market risks associated with
currency fluctuations, since the Company has foreign currency-denominated liabilities, arising from long-term funding, in development
institutions, at more attractive interest rates in the U.S. dollar and Yen.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The management of currency exposure considers several
current and projected economic factors, besides market conditions.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This risk arises from the possibility that the Company
may incur losses due to exchange rate fluctuations that would impact liability balances of foreign currency-denominated borrowings and
financing and related financial expenses. The Company does not maintain hedge or swap contracts or any derivative financial instrument
to hedge against this risk.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Part of the financial debt, totaling R$ 2,630,316 as
of March 31, 2022 (R$ 3,321,489 as of December 31, 2021), is indexed to the U.S. dollar and Yen. The exposure to exchange risk is as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 48%; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 5.65pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

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

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Foreign currency</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>(in thousands)</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 11%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>R$</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowings and financing &ndash; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">161,359</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">764,487</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">163,538</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">912,624</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowings and financing &ndash; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">47,659,012</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,859,655</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">49,324,813</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,390,774</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges from borrowings and financing &ndash; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,462</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,121</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges from borrowings and financing &ndash; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,712</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,970</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total exposure</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,630,316</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,321,489</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowing cost &ndash; US$</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(23,798)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(22,486)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowing cost &ndash; Yen</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65; white-space: nowrap">
    <P STYLE="border-bottom: Black 0.5pt solid; font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right">(2,799)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,850)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total foreign currency-denominated borrowings (Note 16)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">2,603,719</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 5.65pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.65pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">3,296,153</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 28 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->26<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The 21.0% decrease in the balance of the foreign currency-denominated
debt from March 31, 2022 to December 31, 2021 was mainly impacted by the depreciation of the U.S. dollar and Yen against the Brazilian
real. The table below shows the exchange variation in the period:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Georgia, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 19%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 31%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Var.</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">US$</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">R$ 4.7378</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">R$ 5.5805</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-15.1%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Yen</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">R$ 0.03902</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">R$ 0.04847</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-19.5%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Borrowings and financing fell by R$&nbsp;692,434 from
January to March 2022 (an increase of R$&nbsp;4,504 from January to March 2021), due to exchange variation. As of March 31, 2022, if the
Brazilian real had depreciated or appreciated by 10 percentage points, in addition to the impacts already mentioned above, against the
U.S. dollar and Yen with all other variables held constant, the effects on the result before taxes for the three-month period ended March
31, 2022, would have been R$ 263,032 (R$ 356,317 for the three-month period ended March 31, 2021), 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: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The probable scenario below presents the effect in the
income statements for the next 12 months, considering the projected rates of the U.S. dollar and Yen.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company understands that the scenario presented is
reasonable, given the instability of the Brazilian real against the U.S. dollar and Yen.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 79%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Probable scenario</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Net currency exposure as of March 31, 2022 in US$ - Losses </B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">161,359</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">US$ rate as of March 31, 2022</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4.7378</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">5.2300</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(0.4922)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Effect on the net financial result R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(79,421)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Net currency exposure as of March 31, 2022 in Yen - Losses</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">47,659,012</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Yen rate as of March 31, 2022</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.03902</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange rate estimated according to the scenario</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">0.04128</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Difference between the rates</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(0.00226)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Effect on the net financial result R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(107,709)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total effect on the net financial result in R$ - (loss) </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(187,130)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(*) For the probable scenario in the U.S. dollar, the exchange rate estimated for March 31, 2023 was used, according to the projections of LCA Consultores of March 31, 2022. For the Yen, the exchange rate estimated for March 31, 2023 was used, according to B3&rsquo;s Reference Rates report of March 31, 2022.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This risk arises from the possibility that the Company
could incur losses due to fluctuations in interest rates, increasing the financial expenses related to borrowings and financing.</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has not 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>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 30%; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 36%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 34%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">CDI (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8,305,495</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">7,612,299</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TR (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,643,952</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,638,079</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">IPCA (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,001,128</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,019,459</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TJLP (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,413,687</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,478,740</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">LIBOR (v)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">764,489</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">912,626</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">241,089</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">243,696</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 5.65pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">15,369,840</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">14,904,899</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(i) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CDI - (<I>Certificado
de Dep&oacute;sito Interbanc&aacute;rio</I>), an interbank deposit certificate</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(ii) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TR &ndash;
Interest Benchmark Rate</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(iii) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IPCA
- (<I>&Iacute;ndice Nacional de Pre&ccedil;os ao Consumidor Amplo</I>), a consumer price index</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(iv) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TJLP -
(<I>Taxa de Juros a Longo Prazo</I>), a long-term interest rate index</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(v) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LIBOR -
London Interbank Offered Rate</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Another risk to which the Company is exposed is the mismatch
of inflation adjustment indices of its debts with those of its service revenues. Tariff adjustments of services provided do not necessarily
follow the increases in the inflation indexes to adjust borrowings, financing, and interest rates affecting indebtedness.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, if interest rates on borrowings
and financing had been 1 percentage point higher or lower with all other variables held constant, the effects on profit before taxes for
the three-month period ended March 31, 2022, would have been R$ 153,698 (R$ 139,415 for the three-month period ended March 31, 2021),
lower or higher, mainly as a result of lower or higher interest expense on floating rate borrowings.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Credit risk</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Credit risk is related to cash and cash equivalents,
financial investments, as well as credit exposures of customers, including accounts receivable, restricted cash, and accounts receivable
from related parties. Credit risk exposure to customers is mitigated by sales to a dispersed base.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The maximum exposure to credit risk as of March 31, 2022,
is the carrying amount of instruments classified as cash and cash equivalents, financial investments, restricted cash, trade receivables,
and accounts receivable from related parties on the reporting date of this quarterly information. See Notes 6, 7, 8, 9, and 10.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Regarding the financial assets held with financial institutions,
the credit quality was assessed by reference to external credit ratings (if available) or historical information about the bank&rsquo;s
default rates. For the credit quality of the banks, such as deposits and financial investments, the Company assesses the rating published
by three main international agencies (Fitch, Moody's, and S&amp;P), as follows:</P>


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    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 37%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid"><B>Banks</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Fitch</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Moody's</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Standard Poor's</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco do Brasil S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco Santander Brasil S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco Bradesco S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco Ita&uacute; Unibanco S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco BV</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Banco BTG Pactual S/A</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">AAA.br</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">brAAA</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The rating assessment disclosed by Fitch for deposit
transactions and financial investments in local currency (R$ - domestic rating) is as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 46%; padding-right: 5.4pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 27%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 27%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Cash and cash equivalents and financial investments</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">AA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,169,831</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,905,810</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">AAA(bra)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">958,433</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">970,474</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Others (*)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">278,434</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">275,030</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,406,698</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,151,314</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) As of March 31, 2022, this category includes R$ 267,811
(R$ 262,465 as of December 31, 2021) referring to Banco BV, checking accounts, and financial investments, which are not rated by Fitch.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><B>(c)Liquidity</B></TD><TD STYLE="text-align: justify"><B>risk </B></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Liquidity is primarily reliant upon cash provided by
operating activities and borrowings and financing obtained in the local and international capital markets, as well as the payment of debts.
The management of this risk considers the assessment of its liquidity requirements to ensure it has sufficient cash to meet its operating
and capital expenditure requirements.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The funds held are invested in interest-bearing current
accounts, time deposits, and securities, with instruments with appropriate maturity or liquidity sufficient to provide margin as determined
by the projections mentioned above.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows the 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 March 31, 2022.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Georgia, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 37%; padding-bottom: 1pt; text-align: justify; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>April to December
    2022</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2023</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2024</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2025</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2026</B></P></TD>
    <TD STYLE="width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>2027 onwards</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%"><B>March 31, 2022</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Liabilities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,959,319</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,037,044</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,188,029</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,212,502</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,967,538</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">14,478,653</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">28,843,085</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Trade payables and contractors</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">252,052</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">252,052</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">548,425</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">548,425</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">337,079</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">458,939</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">427,749</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">390,572</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">390,572</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,989,246</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5,994,157</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program Contract Commitments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">70,270</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">37,144</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,145</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,145</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,145</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">13,194</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; font-family: Calibri, Helvetica, Sans-Serif; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">124,043</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 31 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->29<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has borrowings and financing agreements including
cross-default clauses, i.e., the early maturity of any debt may imply the early maturity of these agreements. The indicators are continuously
monitored to avoid the execution of these clauses, and the most restrictive are shown in Note 16 (c).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 14.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Sensitivity analysis on interest
rate risk</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows the sensitivity analysis of the
financial instruments, prepared under CPC 40 (R1) to evidence the balances of main financial assets and liabilities, calculated at a rate
projected for the twelve-month period after March 31, 2022, or until the final settlement of each contract, whichever is shorter, considering
a probable scenario.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The purpose of the sensitivity analysis is to measure
the impact of changes in the market on the financial instruments, considering constant all other market indicators. At the time of settlement,
the amounts may be different from those presented, due to the estimates used in the measurement.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 44%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Indicators</B></P></TD>
    <TD STYLE="width: 28%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Exposure</B></P></TD>
    <TD STYLE="width: 28%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Probable scenario</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Assets</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">CDI</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,564,235</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">12.71%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial income</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">198,814</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">CDI </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(8,305,495)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">12.71%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,055,628)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">CDI net exposure</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(6,741,260)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(856,814)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TR</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,643,952)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">0.0305%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(501)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">IPCA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(3,001,128)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5.7400%(*)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Expenses to be incurred </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(172,265)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TJLP</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,413,687)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6.2200%(***)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(87,931)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">LIBOR </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(764,489)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1.9290%(**)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest to be incurred</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(14,747)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total expenses to be incurred, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(1,132,258)</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(*)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: LCA Consultores of March 31, 2022 </FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(**)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Source: B3 of March 31, 2022</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(***)&nbsp;&nbsp;&nbsp;Source: LCA Consultores of March 31, 2022</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 32 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->30<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>4.2</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Capital management </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company&rsquo;s objectives when managing capital
are to ensure its ability to increase investments in infrastructure, provide returns for shareholders and benefits for other stakeholders,
and maintain an optimal capital structure to reduce such cost.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Capital is monitored based on the leverage ratio, which
corresponds to net debt divided by total capital (shareholders and creditor&rsquo;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/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 48%; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 26%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 26%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>&nbsp;</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total borrowings and financing (Note 16)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">17,628,090</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">17,723,836</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(-) Cash and cash equivalents (Note 6)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(491,492)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(717,929)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(-) Financial investments (Note 7)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right">(2,915,206)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right">(2,433,385)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Net debt</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">14,221,392</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">14,572,522</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total equity</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right">25,907,398</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right">24,931,859</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total (shareholders plus creditor&rsquo;s equity)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right">40,128,790</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right">39,504,381</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Leverage ratio</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 1.5pt double; text-align: right">35%</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="border-bottom: Black 1.5pt double; font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; text-align: right">37%</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the leverage ratio fell to 35%,
compared to 37% as of December 31, 2021, mainly due to the profit recorded in the first quarter of 2022, of R$ 975,539.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>4.3</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Fair value estimates</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company considers that balances from trade receivables
(current) and trade payables by carrying amount less impairment approximate their fair values, considering the short maturity. Long-term
trade receivables also approximate their fair values, as they will be adjusted by inflation and/or will bear contractual interest rates
over time.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>4.4</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial instruments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company did not have financial assets classified
as fair value through other comprehensive income and fair value through profit or loss. The financial instruments included in the amortized
cost category comprise cash and cash equivalents, financial investments, restricted cash, trade receivables balance, balances with related
parties, other assets and balances receivable from the Water National Agency (ANA), accounts payable to suppliers, borrowings and financing,
services payable, balances payable deriving from the Public-Private Partnership (PPP), and program contract commitments, which are non-derivative
financial assets and liabilities with fixed or determinable payments, not quoted in an active market, except for cash equivalents and
financial investments.</P>

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

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


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>March 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 40%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Carrying amount</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Fair value</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Carrying amount</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Fair value</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Cash and cash equivalents</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">491,492</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">491,492</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">717,929</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">717,929</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Financial investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,915,206</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,915,206</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,433,385</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,433,385</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Restricted cash</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">27,206</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">27,206</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">28,467</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">28,467</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade receivables</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,127,362</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,127,362</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,918,311</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,918,311</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;ANA </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">20,084</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">20,084</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">20,666</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">20,666</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Other assets </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">263,814</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">263,814</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">226,242</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">226,242</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Additionally, SABESP has financial assets receivable
from related parties, totaling R$ 841,157 as of March 31, 2022 (R$ 818,552 as of December 31, 2021), which were calculated under the conditions
negotiated between the related parties. The conditions and additional information related to these financial instruments are disclosed
in Note 10. Part of this balance, totaling R$ 757,353 (R$ 741,910 as of December 31, 2021), refers to reimbursement of additional retirement
and pension plan - G0, indexed by IPCA plus simple interest of 0.5% p.m. On the transaction date, this interest rate approximated that
of National Treasury Notes (NTN-b), with a term similar to the terms of related-party transactions.</P>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>March 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 40%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Carrying amount</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Fair value</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Carrying amount</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Fair value</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Borrowings and financing</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">17,628,090</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">17,769,190</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">17,723,836</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">17,947,954</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Trade payables and contractors</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">252,052</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">252,052</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">236,763</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">236,763</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Services payable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">548,425</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">548,425</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">469,027</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">469,027</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Program Contract Commitment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">117,282</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">117,282</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">122,647</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">122,647</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Public-Private Partnership - PPP</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,025,971</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,025,971</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,060,185</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,060,185</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The criteria adopted to obtain the fair values of borrowings
and financing, in preparing the quarterly information as of March 31, 2022, are consistent with those adopted in the Annual Financial
Statements for the fiscal year ended December 31, 2021.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financial instruments referring to financial investments
and borrowings and financing are classified as Level 2 in the fair value hierarchy.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Considering the nature of other financial instruments,
assets and liabilities, the balances recognized in the statement of financial position approximate the fair values, except for borrowings
and financing, considering the maturities close to the end of the reporting date of this quarterly information, comparison of contractual
interest rates with market rates in similar operations at the end of the reporting period, their nature, and maturity terms.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Key accounting estimates and judgments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The preparation of the quarterly information requires
Management to make judgments (except for those that involve estimates) that have a significant impact on the amounts recognized based
on experience and other factors deemed as relevant, which affect the values of assets and liabilities and present results that may differ
from the actual ones.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company makes 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
of the reviews of the accounting estimates are recognized in the period in which the estimates are reviewed.</P>


<!-- Field: Page; Sequence: 34 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->32<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company evaluated the main accounting policies that
involve judgments, except for those that involve estimates, and concluded that none of them have a significant effect.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The areas that require a higher level of judgment and
greater complexity, as well as assumptions and estimates that are significant for the 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: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.1pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>6</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Cash and cash equivalents</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.1pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 38%; padding-bottom: 1pt; text-align: justify; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 31%">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 31%">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 8pt; text-align: justify; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 8pt; padding-left: 2.85pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 8pt; padding-left: 2.85pt; text-align: right; line-height: 107%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">Cash and banks</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">80,257</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">146,853</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">Cash equivalents</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">411,235</P></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">571,076</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">Total</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">491,492</P></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">717,929</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Cash and cash equivalents include cash, bank deposits,
and high-liquidity short-term financial investments, mainly represented by repurchase agreements, fund shares (accruing CDI interest rates),
and CDBs, whose original maturities or intention of realization are lower than three months, which are convertible into a cash amount
and subject to an insignificant risk of change in value.</P>

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the average yield of cash equivalents
corresponded to 95.00% of CDI (96.00% as of December 31, 2021).</P>

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>7</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Financial investments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has financial investments in CDB, with daily
liquidity, which it does not intend to use in the next three months, as shown below:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 44%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 28%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 28%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco BV </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">267,811</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">262,465</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco Ita&uacute; S/A </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">374,001</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">366,906</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco Bradesco S/A </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">535,382</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">524,791</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco BTG Pactual S/A </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">374,771</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">367,361</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Banco do Brasil S/A </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,363,241</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">911,862</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,915,206</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,433,385</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0">As of March 31, 2022, the average yield of the financial investments corresponded
to 102.44% of CDI (101.57% as of December 31, 2021).</P>

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0">&nbsp;</P>


<!-- Field: Page; Sequence: 35 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->33<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>8</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Restricted cash</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 46%; padding-bottom: 1pt; text-align: justify; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 27%">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 27%">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 107%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">Agreement with the S&atilde;o Paulo Municipal Government (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">19,962</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">21,464</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">Brazilian Federal Savings Bank &ndash; escrow deposits (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">871</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">740</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 107%">Other</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,373</P></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">6,263</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 107%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">27,206</P></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">28,467</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 19.85pt">(i)</TD><TD STYLE="text-align: justify">Refers to the amount deducted from the transfer of 7.5% of the revenue earned in the municipality to the
Municipal Fund for Environmental Sanitation and Infrastructure, corresponding to eventual amounts unpaid by direct management bodies,
foundations, and government agencies, as established in the agreement entered into with S&atilde;o Paulo Municipal Government; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 8pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 19.85pt">(ii)</TD><TD STYLE="text-align: justify">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 a contractual clause.</TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Trade receivables </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Statement
of financial position details</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 48%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 26%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 26%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Private sector:</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">General (i) and special (ii) customers</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,159,365</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,042,023</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">470,416</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">514,616</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,629,781</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,556,639</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Government entities:</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Municipal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">583,255</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">586,810</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Federal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">9,555</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">7,869</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Agreements (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">348,468</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">278,844</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">941,278</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">873,523</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Wholesale customers &ndash; Municipal Governments: (iv)</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Mogi das Cruzes</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,579</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,580</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">S&atilde;o Caetano do Sul</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">28,264</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">24,464</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total wholesale customers &ndash; Municipal Governments</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">31,843</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">28,044</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Unbilled supply</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">775,767</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">740,193</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,378,669</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,198,399</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,251,307)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,280,088)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,127,362</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,918,311</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,890,105</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,695,077</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">237,257</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">223,234</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,127,362</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,918,311</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 36 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->34<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt">(i)</TD><TD STYLE="text-align: justify">General customers - residential and small and mid-sized companies;</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt">(ii)</TD><TD STYLE="text-align: justify">Special customers &ndash; large consumers, commercial industries, condominiums, and special billing customers
(fixed demand agreements, industrial waste, wells, among others);</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt">(iii)</TD><TD STYLE="text-align: justify">Agreements - installment payments of past-due receivables, plus inflation adjustment and interest, according
to the agreements; and</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt">(iv)</TD><TD STYLE="text-align: justify">Wholesale basis customers - municipal governments. This balance refers to the sale of treated water to
municipalities, which are responsible for distributing to, billing, and charging final customers.</TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The aging
of trade receivables is as follows:</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.1pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 38%; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 31%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 31%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,126,985</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,896,535</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Past-due:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Up to 30 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">426,549</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">502,164</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 31 to 60 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">233,017</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">267,723</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 61 to 90 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">137,798</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">182,977</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 91 to 120 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">172,408</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">155,018</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 121 to 180 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">244,574</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">258,718</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">From 181 to 360 days</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">88,123</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95,751</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Over 360 days</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">949,215</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">839,513</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total past-due</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,251,684</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,301,864</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,378,669</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,198,399</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allowance
for doubtful accounts </B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 44%; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 28%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to March
    2022</B></P></TD>
    <TD STYLE="width: 28%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to March
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Balance at the beginning of the period</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,280,088</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,157,619</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Provisions/(reversals)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(10,516)</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">68,026</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Recoveries </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(18,265)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(9,808)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Balance at the end of the period</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,251,307</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,215,837</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 60%; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Reconciliation of estimated/historical losses at the result</B></FONT></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to March
    2022</B></P></TD>
    <TD STYLE="width: 20%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to March
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Write-offs</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(205,069)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(62,386)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(Losses) with state entities &ndash; related parties </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,406)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(447)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(Losses)/reversal with the private sector/government entities</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">10,516</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(68,026)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Recoveries</FONT></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">18,265</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,808</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Amount recorded as expense (Note 27)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(177,694)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(121,051)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company does not have customers representing 10%
or more of its total revenues.</P>

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


<!-- Field: Page; Sequence: 37 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->35<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>10</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Related-party balances and transactions</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">S&atilde;o Paulo State</FONT></B></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 49.6pt"><B>Accounts</B></TD><TD STYLE="text-align: justify"><B>receivable, interest on capital, revenue, and expenses </B></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 54%; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 22%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 24%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Accounts receivable</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Current:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Sanitation services </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">136,182</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">127,614</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Estimated losses </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(53,739)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(52,333)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;- Monthly flow (payments) </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,964</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">11,930</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;- GESP Agreement &ndash; 2015 </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">92,674</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">86,446</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total current</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">191,081</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">173,657</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Noncurrent:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Agreement for the installment payment of sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,361</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,361</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Reimbursement of additional retirement and pension benefits paid (G0):</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;- GESP Agreement &ndash; 2015 </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">648,715</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">643,534</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total noncurrent</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">650,076</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">644,895</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total receivables from shareholders</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">841,157</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">818,552</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Assets:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">83,804</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">76,642</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Reimbursement of additional retirement and pension benefits paid (G0)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">757,353</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">741,910</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">841,157</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">818,552</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Liabilities:</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Interest on capital payable to related parties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">275,240</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">275,240</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 24%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>January to March
    2022</B></P></TD>
    <TD STYLE="width: 24%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>January to March
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Revenue from sanitation services</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">143,699</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">124,405</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Payments from related parties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(131,301)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(112,223)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; padding-left: 14.2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Payment received from reimbursement referring to Law 4,819/1958</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(36,632)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(54,180)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 49.6pt"><B>Disputed</B></TD><TD STYLE="text-align: justify"><B>amounts</B></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022 and December 31, 2021, the disputed
amounts between SABESP and the S&atilde;o Paulo State, referring to additional retirement and pension benefits paid (Law 4,819/1958),
totaled R$&nbsp;1,398,321 and R$&nbsp;1,375,137, respectively, for which allowances for doubtful accounts were created for the total amount.</P>


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    <!-- Field: /Page -->

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 49.6pt"><B>Actuarial</B></TD><TD STYLE="text-align: justify"><B>Liability</B></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company recognized an actuarial liability corresponding
to additional retirement and pension benefits paid to employees, retired employees, and pensioners of the G0 Plan. As of March 31, 2022
and December 31, 2021, the amounts corresponding to the actuarial liability totaled R$ 2,192,325 and R$ 2,192,062, respectively. For detailed
information on additional retirement and pension benefits, see Note 21.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Use of Reservoirs &ndash; EMAE</FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Empresa Metropolitana de &Aacute;guas e Energia S.A.
(EMAE) planned to receive the credit and obtain financial compensation for alleged past and future losses in electricity generation arising
from water collection, and compensation for costs already incurred and to be incurred with the operation, maintenance, and inspection
of the Guarapiranga and Billings reservoirs used by SABESP in its operations.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of October 28, 2016, the Company entered into an agreement
based on a Private Transaction Agreement and Other Covenants to fully and completely settle the disputes and SABESP will continue using
the reservoirs.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the balance of the agreement totaled
R$ 8,301 and R$ 93,415 (R$ 7,956 and R$ 88,264 as of December 31, 2021), recorded in &ldquo;Other liabilities&rdquo;, under current and
noncurrent liabilities, respectively.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Agreements with reduced tariffs for government entities that
join the Rational Water Use Program (PURA) </FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has agreements with government entities related
to the S&atilde;o Paulo State Government that benefit them with a 25% discount on water supply and sewage services tariffs when they are
not in default. These agreements provide for the implementation of the rational water use program, which provides for water consumption
reduction.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Guarantees</FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The S&atilde;o Paulo State provides guarantees for some
of the Company&rsquo;s borrowings and financing and does not charge any related fees. See Note 16.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(e)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Personnel assignment agreement among entities related to the
S&atilde;o Paulo State Government</FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has personnel assignment agreements with
entities related to the State Government, whose expenses are fully charged.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">From January to March 2022, expenses with employees assigned
to other state entities totaled R$&nbsp;164 (R$&nbsp;157 from January to March 2021).</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">No expenses with employees from other entities assigned
to the Company were recorded from January to March 2022 and 2021.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(f)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Non-operating assets</FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022 and December 31, 2021, the Company&rsquo;s
land and lent structures totaled R$ 3,613.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(g)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">SABESPREV </FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company sponsors a private defined benefit pension
plan (G1 Plan), which is operated and administered by SABESPREV. The net actuarial liability recognized until March 31, 2022, totaled
R$ 123,034 (R$ 129,600 as of December 31, 2021). See Note 21.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(h)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Compensation of the Fiscal Council and Management Key Personnel
</FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">From January to March 2022, expenses related to the compensation
of Management and members of the Fiscal Council appointed by the controlling shareholder totaled
R$&nbsp;1,597 (R$&nbsp;1,594 from January to March 2021).</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify"></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">From January to March 2022 and 2021, additional amounts
of R$&nbsp;360, referring to the executive officers&rsquo; bonus, were recorded.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(i)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Loan agreement through credit facility</FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company holds interest in certain Special Purpose
Entities (SPEs), in which it does not hold the majority interest but has cast vote and power of veto in some matters but cannot use such
power of veto in a way to affect the returns of its investments. Therefore, these SPEs are considered for accounting purposes as joint
arrangements.</P>

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

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company entered into a loan agreement through a credit
facility with SPE Aquapolo Ambiental S/A to finance the operations of that company, until the borrowings and financing requested with
financial institutions are granted.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the balance of principal and interest
of this agreement totaled R$ 8,183 and R$ 11,323, recorded in &ldquo;Other assets&rdquo; under current and noncurrent assets, respectively
(R$ 11,884 and R$ 11,021, respectively, as of December 31, 2021), at CDI + 1.2% p.a.</P>

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

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

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company entered into a loan agreement through a credit
facility with SPE &Aacute;guas de Andradina S/A to finance the operations of that company.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the balance of principal and interest
of this agreement totaled R$ 67 and R$ 1,009, which was recorded in &ldquo;Other assets&rdquo; under current and noncurrent assets (R$
34 and R$ 1,009, respectively, as of December 31, 2021), at CDI + 3% p.a.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">This agreement was executed on August 17, 2021. The amount
of principal, adjustment, accrued interest, and any other taxes must be paid in full by the borrower to SABESP until August 31, 2025.</P>

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(j)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">FEHIDRO</FONT></B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has financing agreements under the State
Fund for Water Resources (FEHIDRO). These funds will be aimed at the execution of works and sewage services. As of March 31, 2022, the
balance of these financings totaled R$ 5.8 million (R$ 4.7 million as of December 31, 2021).</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Investments</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company holds interest in certain Special Purpose
Entities (SPE). Although SABESP has no majority shares of its investees, the shareholders&rsquo; agreement provides for the power of veto
in certain management matters, however, it cannot use such power of veto in a way to affect the returns over the investments, implying
a mutually shared control (joint venture &ndash; CPC 19 (R2)).</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->38<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company holds equity interest valued by the equity
accounting in the following investees:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Equity</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Profit (loss) for
    the period</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 18%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Sesamm</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">59,710</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">58,421</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,289</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,629</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&Aacute;guas de Andradina</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,589</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,591</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">504</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,651</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,384</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">267</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">363</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Attend Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">26,415</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23,493</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,922</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,395</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">65,849</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">58,172</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,677</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,149</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Paulista Geradora de Energia </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,005</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,153</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(148)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(131)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Investments</B></P></TD>
    <TD COLSPAN="2" STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Equity accounting</B></P></TD>
    <TD COLSPAN="2" STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Interest percentage</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>March</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>March</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="vertical-align: bottom; width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>December</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>31,</B></P>
    <P STYLE="font: 7.5pt Georgia, Times, Serif; margin: 1pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Sesamm</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">21,496</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">21,032</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">464</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">587</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&Aacute;guas de Andradina </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,876</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,877</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">151</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">&Aacute;guas de Castilho</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,895</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,815</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">80</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">108</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Attend Ambiental</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,887</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">10,572</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,315</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,228</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Aquapolo Ambiental</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">32,266</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28,504</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,762</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,013</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Paulista Geradora de Energia</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,501</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,538</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(37)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(33)</P></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">78,921</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">73,338</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,583</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,054</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">Other investments</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">6,099</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">6,099</P></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">&nbsp;</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt">Overall total</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; border-bottom: Black 2.25pt double; text-align: right">85,020</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0 1pt; border-bottom: Black 2.25pt double; text-align: right">79,437</P></TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 2.4pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt/12pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Investment Properties</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 38%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31, </B></P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">46,126</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(12)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">46,114</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/12pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 38%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="width: 20%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31, </B></P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Investment properties</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">46,274</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(12)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 12pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">46,262</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/12pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022 and December 31, 2021, the market
value of these properties was approximately R$ 386,000.</P>

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


<!-- Field: Page; Sequence: 41 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->39<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>13</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Contract asset</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 25%; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions (i)</B></P></TD>
    <TD STYLE="width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 17%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>Transfers of works to intangible </B></P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>assets (ii)</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 15%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2022 (iii)</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total contract asset</FONT></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,550,102</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">958,070</P></TD>
    <TD>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">193</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(973,984)</P></TD>
    <TD STYLE="white-space: nowrap">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,534,381</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 25%; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 15%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2020</B></P></TD>
    <TD STYLE="width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Additions</B></P></TD>
    <TD STYLE="width: 14%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers</B></P></TD>
    <TD STYLE="width: 17%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Transfers of works
    to intangible assets</B></P></TD>
    <TD STYLE="width: 15%">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31, </B></P>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total contract asset</FONT></TD>
    <TD>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">7,969,164</P></TD>
    <TD>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,084,501</P></TD>
    <TD>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">292</P></TD>
    <TD>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(755,954)</P></TD>
    <TD>
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">8,298,003</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; letter-spacing: -0.05pt">(i)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The largest additions of the period
are located in the municipalities of S&atilde;o Paulo, Guaruj&aacute;, and Praia Grande, totaling R$ 476 million, R$ 39 million, and R$
29 million, respectively. </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(ii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The largest transfers of the period
are located in the municipalities of Praia Grande, S&atilde;o Paulo, and S&atilde;o Sebasti&atilde;o, in the amounts of R$ 541 million,
R$ 194 million, and R$ 50 million, respectively.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 42.55pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(iii)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The largest works are located in the
municipalities of S&atilde;o Paulo, S&atilde;o Bernardo do Campo, and Franca, in the amounts of R$ 3,485 million, R$ 412 million, and
R$ 312 million, respectively.</FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the contract asset included R$
276,893, recorded as a lease (R$ 276,893 as of December 31, 2021). Leases are part of construction costs and, since June 2020, additional
works are being executed by the Company.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Capitalization of interest and other
finance charges</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company capitalizes interest, and monetary and exchange
variation in the contract asset during the construction period. From January to March 2022, the Company capitalized R$&nbsp;120,324 (R$&nbsp;54,018
from January to March 2021).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Construction margin</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is primarily responsible for the construction
and installation of the concession infrastructure, either by using its employees or contracting third parties, and is significantly exposed
to its risks and benefits. Accordingly, the Company recognizes revenue from construction services corresponding to construction costs
increased by gross margin.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Constructions related to the concessions are usually
performed by third parties. In such a case, the margin is lower to cover administration costs and the assumption of responsibility for
primary risks. As of March 31, 2022 and 2021, the margin was 2.3%.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">From January to March 2022, the construction margin was
R$&nbsp;20,685 (R$&nbsp;23,007 from January to March 2021).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Expropriations </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As a result of the construction of priority projects
related to water and sewage systems, the Company was required to expropriate third-party properties, whose owners will be compensated
either amicably or through court.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The costs of such expropriations are recorded in the
contract asset during the execution of the works. From January to March 2022, expropriations totaled R$&nbsp;29,863 (R$&nbsp;9,674 from
January to March 2021).</P>

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


<!-- Field: Page; Sequence: 42 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->40<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>14</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Intangible assets</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD COLSPAN="3">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 39%; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="width: 11%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    amortization</B></P></TD>
    <TD STYLE="width: 10%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="width: 9%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    amortization</B></P></TD>
    <TD STYLE="width: 10%">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Intangible right arising from:</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; equity value</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">696,727</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(210,327)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">486,400</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">696,728</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(205,671)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">491,057</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; economic value </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,503,815</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(843,384)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">660,431</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,497,968</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(816,527)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">681,441</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">25,557,951</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(7,864,485)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">17,693,466</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">24,804,170</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(7,652,149)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">17,152,021</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts &ndash; commitments </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,709,757</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(405,041)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,304,716</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,709,757</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(391,800)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,317,957</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Service contracts &ndash; S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">23,013,930</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(6,936,374)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">16,077,556</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">22,834,803</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(6,676,032)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">16,158,771</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Software license of use</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,155,624</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(562,999)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">592,625</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,133,833</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(535,099)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">598,734</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Right of use &ndash; Other assets</FONT></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">180,571</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(85,685)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">94,886</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">173,715</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(69,862)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">103,853</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">53,818,375</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(16,908,295)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">36,910,080</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">52,850,974</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(16,347,140)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">36,503,834</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 25%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Additions</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Transfer of contract
    asset</B></P></TD>
    <TD STYLE="width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Transfers </B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Amortization</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Intangible right arising from: </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements - equity value (*)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">491,057</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(4,657)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">486,400</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">681,441</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5,948</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">46</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(27,004)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">660,431</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts (*)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">17,152,021</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">5,189</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">769,541</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(107)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(1,255)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(231,923)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">17,693,466</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts &ndash; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,317,957</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(13,241)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,304,716</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Service contracts &ndash; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">16,158,771</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">181</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">176,705</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,640</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(976)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(260,765)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">16,077,556</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Software license of use </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">598,734</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">21,790</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(27,899)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">592,625</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Right of use &ndash; Other assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">103,853</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,730</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(17,696)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">94,886</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">36,503,834</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14,100</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">973,984</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,579</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,232)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(583,185)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">36,910,080</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) As of March 31, 2022, Concession agreements &ndash;
equity value, and Program contracts included leases totaling R$ 62,359 and R$ 177,557 (R$ 65,012 and R$ 180,669 as of December 31, 2021),
respectively.</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->41<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 25%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2020</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Additions</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Transfer of contract
    asset</B></P></TD>
    <TD STYLE="width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Transfers </B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Amortization</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March </B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Intangible right arising from: </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements - equity value (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">483,775</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,781</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">23</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(136)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(4,306)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">482,137</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Concession agreements &ndash; economic value&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">734,665</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">8,989</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(174)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(25,406)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">718,074</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts (*)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">16,360,307</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">3,315</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">216,100</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">407</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(1,122)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 3pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(212,300)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">16,366,707</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Program contracts &ndash; commitments&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,370,923</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(13,241)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">1,357,682</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Service contracts &ndash; S&atilde;o Paulo </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">14,872,604</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,745</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">501,794</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">427</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(1,213)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(237,371)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">15,138,986</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Software license of use </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">540,625</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">26,290</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(23,618)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">543,297</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Right of use &ndash; Other assets</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">42,676</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">69,462</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(261)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(19,860)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">92,017</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total </FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34,405,575</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">75,522</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">755,954</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">857</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(2,906)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(536,102)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34,698,900</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) As of March 31, 2021, Concession agreements &ndash;
equity value, and Program contracts included leases totaling R$ 73,759 and R$ 190,006 (R$ 76,454 and R$ 193,107 as of December 31, 2020), respectively.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of June 30, 2020, a contract was signed for the provision
of treatment services and final disposal of solid waste, and collection of garbage tax in the Municipality of Diadema for 40 years. To
reach the best operationalization format, treatment services and final disposal of solid waste are in the study phase and, based on the
contractual provision, are subject to a partnership between SABESP and a private party, which will occur through a public call.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Intangible arising from concession
agreements</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the amounts not yet disbursed were
recorded in &ldquo;Program contract commitments&rdquo; under current and noncurrent liabilities, totaling R$&nbsp;104,980 and R$&nbsp;12,302
(R$&nbsp;77,652 and R$&nbsp;44,995 as of December 31, 2021), respectively.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Public-Private Partnership - PPP</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">SABESP carries out operations related to the PPPs mentioned
below. These operations and their respective guarantees are supported by agreements executed according to Law 11,079/2004.</P>

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

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">The amounts recorded in intangible assets, net of amortization, are as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 23%; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 39%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 38%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">264,574</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">269,062</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">2,853,324</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">2,895,798</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">3,117,898</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">3,164,860</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The obligations assumed by the Company are as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Current liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Current liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent liabilities</B></P></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total liabilities</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Alto Tiet&ecirc;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">68,167</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">92,149</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">160,316</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">69,442</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">102,873</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">172,315</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">S&atilde;o Louren&ccedil;o</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">104,614</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,761,041</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,865,655</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">73,315</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,814,555</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,887,870</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">172,781</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,853,190</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,025,971</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">142,757</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">2,917,428</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,060,185</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->42<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(e)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Amortization of Intangible Assets</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The average amortization rate totaled 4.8% as of March
31, 2022 and 2021.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(f)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Right of use</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 62%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid"><B>Nature</B></P></TD>
    <TD STYLE="width: 19%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 19%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Leases - Contract asset</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">276,893</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">276,893</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Leases - Concession and Program Contract</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">405,446</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">405,446</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(165,530)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(159,765)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">239,916</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">245,681</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Vehicles</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">145,926</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">142,003</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Properties</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">11,225</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">6,570</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equipment</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8,297</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">9,841</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other assets</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">15,123</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">15,301</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated amortization</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(85,685)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(69,862)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;&nbsp;(=) Net</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">94,886</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">103,853</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 0.5pt; border-top: Black 0.5pt solid; border-bottom: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 0.5pt; border-top: Black 0.5pt solid; border-bottom: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Right of use</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">611,695</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">626,427</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The lease liability corresponds to total future fixed
lease payments, adjusted to present value, considering an incremental rate on borrowings. For further information, see Note 16.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows the impact on the Company&rsquo;s
result:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Impact on the
    result</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 54%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Right of use amortization</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(23,461)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(25,676)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial result &ndash; interest expense and inflation adjustment</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(17,398)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(16,728)</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Expenses of short-term leases with low value</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(6,322)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 0.5pt solid">(6,261)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Reduction of profit for the period</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(47,181)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: right; border-bottom: Black 1.5pt double">(48,665)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(g)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Performance Agreements</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, the accounting balances of these
agreements recorded in contract asset and intangible assets were R$ 621,118 and R$ 1,120,377 (R$ 737,657 and R$ 871,488 as of December
31, 2021), respectively.</P>

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


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
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<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>15</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Property, plant and equipment </B></FONT></TD></TR></TABLE>

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<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="4">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD COLSPAN="4">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; width: 25%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 8%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 11%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    depreciation</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 9%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="vertical-align: top; width: 9%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual average
    depreciation rate</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 8%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Cost</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 11%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Accumulated
    depreciation</B></P></TD>
    <TD STYLE="vertical-align: bottom; width: 9%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Net</B></P></TD>
    <TD STYLE="vertical-align: top; width: 10%">
    <P STYLE="font: 7pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Annual average
    depreciation rate</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Land</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">94,213</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">94,213</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">94,213</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">94,213</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Buildings</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">86,434</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(41,475)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">44,959</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2.1%</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">86,703</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(41,205)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">45,498</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2.1%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Equipment</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">399,689</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(285,773)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">113,916</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">15.1%</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">397,782</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(282,628)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">115,154</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">15.1%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Transportation equipment</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10,352</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(8,111)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,241</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">9.9%</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">10,434</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(7,962)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">2,472</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">9.9%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">36,731</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(14,706)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">22,025</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">6.7%</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">36,561</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(14,482)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">22,079</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">6.7%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">12,137</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(263)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">11,874</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5.0%</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">11,982</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(241)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="border-bottom: Black 0.5pt solid; font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right">11,741</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">5.0%</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">639,556</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(350,328)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">289,228</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">11.0%</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">637,675</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(346,518)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">291,157</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">11.1%</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 5.65pt; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2021</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Additions</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Transfers</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 12%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 0in; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Land</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,213</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,213</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,498</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">35</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(272)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(12)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(290)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">44,959</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equipment</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">115,154</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,579</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,946)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(143)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(5,728)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">113,916</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Transportation equipment</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,472</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(80)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(151)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,241</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,079</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">899</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(576)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(19)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(358)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22,025</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">11,741</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">53</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">102</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(22)</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">11,874</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">291,157</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">8,566</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(3,772)</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(174)</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(6,549)</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">289,228</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 5.65pt; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2020</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Additions</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Transfers</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Write-offs and disposals</B></P></TD>
    <TD STYLE="width: 12%">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Depreciation</B></P></TD>
    <TD STYLE="width: 12%">
<DIV STYLE="margin-right: 5.65pt; margin-left: 0in; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Land</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,213</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,213</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Buildings</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,347</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">564</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">25</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(255)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,681</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equipment</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">101,016</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,346</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,927)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(28)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(5,179)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">101,228</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Transportation equipment</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,969</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(168)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,801</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Furniture and fixtures </FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">17,419</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">355</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">102</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(4)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(318)</FONT></TD>
    <TD STYLE="padding-right: 5.65pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">17,554</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">7,287</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">70</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">651</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(18)</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">7,990</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 5.65pt; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Total</FONT></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">268,251</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">8,335</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(1,149)</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(32)</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(5,938)</P></TD>
    <TD STYLE="padding-right: 5.65pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">269,467</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>


<!-- Field: Page; Sequence: 46 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->44<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 14.15pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>16</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Borrowings and financing</B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify; text-indent: -35.45pt"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%"><B>&nbsp;Borrowings and financing outstanding balance</B></FONT></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31,
    2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 53%; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%"><B>Financial institution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center"><B>Total</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center"><B>Total</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%"><B>Local currency</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;12th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">45,450</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">101,712</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">147,162</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">45,450</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">113,049</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">158,499</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;14th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">25,388</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">25,388</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;17th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">139,966</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">139,966</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">102,252</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">101,982</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">204,234</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;18th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">49,013</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">87,326</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">136,339</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">48,479</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">92,677</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">141,156</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;21st issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">174,891</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">174,891</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">174,849</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">174,849</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;22nd issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">200,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">315,818</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">515,818</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">200,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">508,530</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">708,530</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;23rd issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">864,808</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">864,808</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">864,776</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">864,776</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;24th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">472,460</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">472,460</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">461,350</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">461,350</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;26th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,197,216</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,197,216</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,168,317</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,168,317</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;27th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">997,560</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">997,560</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">997,433</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">997,433</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;28th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,197,483</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,197,483</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,197,395</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,197,395</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;29th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,248,868</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,248,868</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,230,602</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,230,602</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;30th issue debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">998,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">998,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">101,738</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,394,452</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,496,190</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">98,784</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,380,170</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,478,954</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Brazilian Development Bank - BNDES PAC</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">13,396</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">3,323</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">16,719</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">13,394</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">6,665</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">20,059</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Brazilian Development Bank - BNDES PAC II 9751</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">7,162</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">28,529</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">35,691</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">7,161</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">30,308</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">37,469</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Brazilian Development Bank - BNDES PAC II 9752</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">4,852</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">19,409</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">24,261</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">4,851</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">20,619</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">25,470</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Brazilian Development Bank - BNDES ONDA LIMPA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">26,755</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">53,418</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">80,173</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">26,751</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">60,089</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">86,840</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Brazilian Development Bank &ndash; BNDES TIET&Ecirc; III</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">117,613</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">587,958</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">705,571</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">117,593</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">617,251</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">734,844</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Brazilian Development Bank - BNDES 2015</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">33,564</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">412,396</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">445,960</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">33,558</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">420,685</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">454,243</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Brazilian Development Bank - BNDES 2014</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">6,525</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">21,259</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">27,784</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">6,524</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">22,874</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">29,398</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Inter-American Development Bank &ndash; IDB 2202 </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">2,253,967</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">2,435,316</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">2,344,403</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">2,525,752</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Inter-American Development Bank &ndash; IDB INVEST</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">37,340</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">871,896</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">909,236</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">34,800</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">890,400</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">925,200</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Leases (Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">40,175</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">346,302</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">386,477</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">36,640</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">360,671</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">397,311</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Leases (others)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">66,233</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">51,043</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">117,276</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">69,306</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">56,663</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">125,969</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">5,734</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">8,778</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">14,512</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">4,790</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">9,274</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">14,064</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">238,634</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">238,634</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">239,581</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">239,581</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%"><B>Total in local currency</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,490,390</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">13,533,981</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">15,024,371</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,471,500</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">12,956,183</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14,427,683</P></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->45<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;<B>Borrowings and financing outstanding balance</B></FONT></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31,
    2022</B></P></TD>
    <TD COLSPAN="3" STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 8pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 53%; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%"><B>Financial institution</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>Total</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>Current</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Noncurrent</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>Total</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%"><B>Foreign currency</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Inter-American Development Bank - IDB 1212 &ndash; US$ 35,973 thousand (US$ 41,112 thousand in December 2021)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">48,696</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">121,739</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">170,435</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">57,357</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">172,071</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">229,428</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Inter-American Development Bank - IDB 4623 &ndash; US$ 36,329 thousand (US$ 30,329 thousand in December 2021)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">158,116</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">158,116</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">155,192</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">155,192</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;International Bank for Reconstruction and Development (IBRD) &ndash; IBRDs 7662 and 8916 - <BR>
US$ 73,672 thousand (US$ 76,712 thousand in December 2021)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">28,803</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">310,932</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">339,735</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">33,927</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">386,328</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">420,255</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;JICA 15 &ndash; &yen; 8,643,225 thousand (&yen; 9,219,440 thousand in December 2021)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">44,968</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">292,291</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">337,259</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">55,858</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">391,008</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">446,866</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;JICA 18 &ndash; &yen; 7,771,200 thousand (&yen; 8,289,280 thousand in December 2021)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">40,431</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">262,646</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">303,077</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">50,223</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">351,398</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">401,621</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;JICA 17 &ndash; &yen; 4,041,817 thousand (&yen; 3,706,564 thousand in December 2021)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">11,265</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">145,539</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">156,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">12,833</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">165,900</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">178,733</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;JICA 19 &ndash; &yen; 27,202,770 thousand (&yen; 28,109,529 thousand in December 2021)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">70,763</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">988,953</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,059,716</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">87,901</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,272,803</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">1,360,704</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;IDB 1983AB &ndash; US$ 15,385 thousand (US$ 15,385 thousand in December 2021)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">36,445</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">35,958</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">72,403</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">42,927</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">42,336</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; text-align: right; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">85,263</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%">&nbsp;Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">6,174</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">6,174</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">18,091</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">18,091</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%"><B>Total in foreign currency</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">287,545</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">2,316,174</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">2,603,719</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">359,117</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">2,937,036</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 0.5pt solid">3,296,153</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 8pt; padding-left: 3.5pt; text-align: right; line-height: 107%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt; line-height: 107%"><B>Total borrowings and financing</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">1,777,935</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">15,850,155</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">17,628,090</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">1,830,617</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">15,893,219</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8.5pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: right; border-bottom: Black 1.5pt double">17,723,836</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt"><I>&nbsp;</I></P>
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt">Exchange rate as of March 31, 2022: US$ 4.7378; &yen; 0.03902 (as of
    December 31, 2021: US$ 5.5805; &yen; 0.04847).</P>
    <P STYLE="font: 9pt/107% Georgia, Times, Serif; margin: 0 0 2.4pt">As of March 31, 2022, the Company did not have balances of borrowings
    and financing raised during the year, maturing within 12 months.</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2.4pt; padding-left: 3.5pt; line-height: 107%">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->46<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 50%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Local currency</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Guarantees</B></P></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Maturity</B></P></TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Annual interest rate</B></P></TD>
    <TD STYLE="width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Inflation adjustment</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">12th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TR + 9.5% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">14th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2022</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.92% (series 1 and 3) and 9.19% <BR>
(series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">17th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2023</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.75% (series 1), 4.5% (series 2), and 4.75% (series 3)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">18th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2024</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.92 % (series 1 and 3) and 8.25% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">21st issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2022</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.60% (series 1) and CDI + 0.90% <BR>
(series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">22nd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.58% (series 1), CDI+ 0.90% (series 2), and 6.0% (series 3)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">23rd issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.49% (series 1) and CDI+ 0.63% <BR>
(series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">24th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3.20% (series 1) and 3.37% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">26th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2030</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4.65% (series 1) and 4.95% (series 2)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 1 and 2)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 1.60% (series 1), CDI+ 1.80% (series 2), and 2.25% (series 3)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2028</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 1.20% (series 1), CDI+ 1.44% (series 2), and 1.60% (series 3)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2036</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; text-align: right">CDI + 1.29% (series 1), 5.3058% (series 2), and</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right">5.4478% (series 3)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPCA (series 2 and 3)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30th issue debentures</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right">CDI + 1.30% (series 1) and CDI+ 1.58%</P>
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: right">(series 2)</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2022/2042</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5% to 9.5%</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TR</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES PAC</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2023</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.82% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES PAC II 9751</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES PAC II 9752</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.72% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES ONDA LIMPA</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.92%&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank &ndash; BNDES TIET&Ecirc; III</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2028</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.66% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES 2015</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 2.18% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Development Bank - BNDES 2014</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2026</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">TJLP + 1.76%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Inter-American Development Bank &ndash; IDB 2202</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI + 0.86%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Inter-American Development Bank &ndash; IDB INVEST</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2034</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">CDI+ 1.90% and CDI 2.70%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7.73% to 10.12% </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IPC</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2027</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4.25% to 13.79%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Own funds</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3% (FEHIDRO) TJLP + 1.5% (FINEP)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->47<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 50%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Foreign currency</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 10%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Guarantees</B></P></TD>
    <TD STYLE="width: 8%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Maturity</B></P></TD>
    <TD STYLE="width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Annual interest rate</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0; border-bottom: Black 0.5pt solid; text-align: center"><B>Exchange variation</B></P></TD></TR>
  <TR>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt">&nbsp;</TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: center">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Inter-American Development Bank - IDB 1212 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; US$ 35,973 thousand</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2025</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3.31% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">Inter-American Development Bank - IDB 4623 &ndash; US$ 36,329 thousand</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2044</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.12% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">International Bank for Reconstruction and Development (IBRD) &ndash; </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">IBRDs 7662 and 8916 - <BR>
US$ 73,672 thousand</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2034</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2.85% (*)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">US$</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA 15 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; &yen; 8,643,225 thousand</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.8% and 2.5%</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA 18 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; &yen; 7,771,200 thousand</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2029</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.8% and 2.5%</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA 17 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; &yen; 4,041,817 thousand</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2035</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.2% and 0.01% </FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA 19 </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; &yen; 27,202,770 thousand</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Government</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2037</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1.7% and 0.01% </FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Yen</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 1983AB </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">&ndash; US$ 15,385 thousand</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2023</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2.08% to 2.38% (*)</FONT></TD>
    <TD STYLE="padding-top: 1pt; padding-bottom: 2pt; text-align: center"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">US$</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 8pt/110% Georgia, Times, Serif; margin: 0 0 0 42.55pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 42.55pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 42.55pt; text-align: justify">(*) Rates comprising LIBOR + contractually
defined spread.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 42.55pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 42.55pt; text-align: justify">&nbsp;</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payment schedule &ndash;
accounting balances as of March 31, 2022</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 28%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>2022</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>2023</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>2024</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>2025</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>2026</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>2027</B></P></TD>
    <TD STYLE="width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>2028 to 2044 </B></P></TD>
    <TD STYLE="white-space: nowrap; width: 9%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 7pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>TOTAL</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">251,570</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">734,429</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,068,081</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,198,750</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,088,854</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,685,967</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,062,920</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,090,571</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">75,242</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">95,594</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">94,949</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">100,886</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">107,197</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">113,891</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">908,431</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,496,190</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">157,401</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">203,143</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">196,472</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">176,313</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">166,507</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">154,061</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">282,262</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,336,159</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">90,674</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,349</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,437,897</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,435,316</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB INVEST</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">18,670</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">37,340</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">39,550</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">44,300</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">106,390</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">108,728</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">554,258</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">909,236</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">40,175</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">42,915</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,143</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">40,409</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">30,632</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">33,616</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">153,587</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">386,477</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">52,597</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">44,333</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,470</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,585</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,093</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">198</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">117,276</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,301</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,656</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,393</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,162</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">14,512</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">238,634</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">238,634</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">929,264</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">1,344,759</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">1,639,407</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">1,750,754</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">1,683,022</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">2,277,810</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">5,399,355</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">15,024,371</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">24,348</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">48,696</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">48,696</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">53,225</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,059</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,059</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">135,468</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">328,551</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">14,402</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">28,804</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">181,313</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">339,735</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">89,346</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">167,427</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">930,375</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,856,856</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">36,445</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">35,958</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">72,403</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Interest and other charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">6,174</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">6,174</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">170,715</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">280,885</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">244,927</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">249,456</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">205,290</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">205,290</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">1,247,156</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 0.5pt solid; text-align: right">2,603,719</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 1.5pt double; text-align: right">1,099,979</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 1.5pt double; text-align: right">1,625,644</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 1.5pt double; text-align: right">1,884,334</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 1.5pt double; text-align: right">2,000,210</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 1.5pt double; text-align: right">1,888,312</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 1.5pt double; text-align: right">2,483,100</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 1.5pt double; text-align: right">6,646,511</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 2.4pt 0; border-bottom: Black 1.5pt double; text-align: right">17,628,090</P></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 14.2pt">&nbsp;</P>


<!-- Field: Page; Sequence: 51 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->49<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 21.3pt">(II)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Changes</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 21.3pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 25%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Addition (lease)</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Funding</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Borrowing costs</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Monetary and exchange
    variation</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Inflation adjustment
    / exchange variation and incorporated interest- Capitalized</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Interest paid</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Amortization</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Accrued interest</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Provision for interest
    and fees - Capitalized</B></P></TD>
    <TD STYLE="width: 5%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Expenses with borrowing
    costs</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,467,968</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,000,000</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(2,733)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">69,242</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(100,409)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(311,166)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">112,677</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,709</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,696</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,283,984</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,483,113</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">39,320</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,360</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">941</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(28,947)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(24,385)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">17,152</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,845</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,500,399</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,392,844</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">114</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">123</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(25,644)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(52,463)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">12,737</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">12,890</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">64</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,340,665</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,589,442</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(108,419)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(90,674)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">19,752</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">47,473</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">239</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,457,813</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB INVEST</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">956,942</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(44,803)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(16,130)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">27,039</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">166</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">923,214</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">397,311</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(13,451)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(10,834)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">13,451</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">386,477</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">125,969</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,730</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3,947)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(21,370)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">7,894</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">117,276</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">14,094</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,715</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">2</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(202)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(1,269)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">196</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">7</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">14,543</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">14,427,683</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">8,730</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,041,035</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(2,733)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">70,718</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,064</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(325,822)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(528,291)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">210,898</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">117,924</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">3,165</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">15,024,371</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">387,837</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">32,205</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(60,014)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3,277)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(28,316)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,739</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">55</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">330,229</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">420,881</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,547)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(63,833)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(944)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(15,214)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">398</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">76</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">339,817</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,401,887</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">15,546</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(457,218)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(17,588)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(89,447)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,116</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,214</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">51</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,860,561</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">85,548</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(12,965)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">303</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">122</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">104</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">73,112</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">3,296,153</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">47,751</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(1,547)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(594,030)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(21,809)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(132,977)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">8,556</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,336</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">286</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">2,603,719</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">17,723,836</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">8,730</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">1,088,786</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(4,280)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(523,312)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">1,064</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(347,631)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(661,268)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">219,454</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">119,260</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">3,451</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">17,628,090</P></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 21.3pt">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->50<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 23%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Addition (lease)</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Funding</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Borrowing costs</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Monetary and exchange
    variation</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Inflation adjustment
    / exchange variation and incorporated interest- Capitalized</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Interest paid</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Amortization</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Accrued interest</B></P></TD>
    <TD STYLE="width: 7%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Provision for interest
    and fees - Capitalized</B></P></TD>
    <TD STYLE="width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Expenses with borrowing
    costs</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 6%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>31, </B></P>
    <P STYLE="font: 6.5pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>LOCAL CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Debentures</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,756,504</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(482)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">52,397</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(46,438)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(236,265)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">60,763</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,483</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,050</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">6,602,012</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,418,832</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">32,913</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(27,718)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(22,075)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">18,197</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,573</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,429,722</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">BNDES</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,370,902</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(20,754)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(44,420)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,968</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">16,575</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">65</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,326,336</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 2202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,730,195</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(40,708)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(90,674)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">10,461</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">12,608</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">239</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,622,121</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB INVEST</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">944,513</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(7,758)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">11,112</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">166</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">948,033</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases </FONT><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8.5pt">(Concession Agreements, Program Contracts, and Contract Asset)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">428,743</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(20,484)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(7,289)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">20,484</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 2pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">421,454</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Leases (others)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45,876</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">69,462</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(3,532)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(19,860)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">10,998</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">102,944</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">15,197</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(181)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(751)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">163</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">6</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">14,434</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><I>TOTAL IN LOCAL CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">13,710,762</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">69,462</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">32,913</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(482)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">52,397</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(167,573)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(421,334)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">136,146</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">50,245</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">4,520</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">13,467,056</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><B><I>FOREIGN CURRENCY</I></B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">317,302</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">17,841</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">29,288</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(4,149)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(27,111)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,080</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">41</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">335,292</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IBRD</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">426,860</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,733)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">41,197</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(1,375)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(17,070)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">179</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">45</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">448,103</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">JICA</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,684,321</FONT></TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,972</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">55,536</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,870</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(22,084)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(102,834)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">9,502</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,766</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">49</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,637,098</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">IDB 1983AB</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">119,379</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">11,552</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">701</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">137</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">104</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">131,873</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 7pt"><I>TOTAL IN FOREIGN CURRENCY</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">3,547,862</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">26,813</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(1,733)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">137,573</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,870</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(27,608)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(147,015)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">12,462</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,903</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">239</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">3,552,366</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt"><I>Total</I></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">17,258,624</P></TD>
    <TD STYLE="padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">69,462</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">59,726</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(2,215)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">189,970</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">1,870</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(195,181)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(568,349)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">148,608</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">52,148</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">4,759</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">17,019,422</P></TD></TR>
  </TABLE>
<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->51<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Main events in the three-month period
ended March 31, 2022</B></FONT></TD></TR></TABLE>

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

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 18, 2022, the Company raised R$ 1.0 billion
from the 30th issue of simple, unsecured debentures, not convertible into shares, in two series, under CVM Instruction 476. The proceeds
from the Issue will be used to refinance financial commitments maturing in 2022 and to recompose and reinforce the Company&rsquo;s cash
position.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The 30th issue debentures was as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 21%; padding-top: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid">Value</P></TD>
    <TD STYLE="width: 25%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 1pt 0 0; text-align: center; border-bottom: Black 0.5pt solid">Maturity</P></TD>
    <TD STYLE="width: 33%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, 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="padding-top: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">Series 1</FONT></TD>
    <TD STYLE="padding-top: 1pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">R$ 500,000</FONT></TD>
    <TD STYLE="padding-top: 1pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">03/2027</FONT></TD>
    <TD STYLE="padding-top: 1pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">CDI + 1.30% p.a.</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-top: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">Series 2</FONT></TD>
    <TD STYLE="padding-top: 1pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">R$ 500,000</FONT></TD>
    <TD STYLE="padding-top: 1pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">03/2029</FONT></TD>
    <TD STYLE="padding-top: 1pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt; line-height: 110%">CDI + 1.58% p.a.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">The covenants agreed for the 30th issue
are: </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">Calculated every quarter, when disclosing
the quarterly information or annual financial statements:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Net debt/adjusted EBITDA lower than or
equal to 3.50;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Adjusted EBITDA/paid financial expenses
equal to or higher than 1.5;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">- Disposal of operating assets, termination
of licenses, loss of concession, or loss of the Issuer&rsquo;s ability to execute and operate public sanitation services in areas of the
S&atilde;o Paulo State which, individually or jointly during the term of the agreement, lead to a reduction of the Issuer&rsquo;s net
sales and/or service revenue of more than twenty- five percent (25%). The above limit will be calculated every quarter, taking into consideration
the Issuer&rsquo;s net operating income during the twelve (12) months before the end of each quarter and using the financial information
disclosed by the Issuer.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">The failure to comply with the covenants
for at least two consecutive quarters, or two non-consecutive quarters within twelve months, will cause the early termination of the agreement
(in which case the 30-day cure period does not apply).</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 21.3pt; text-align: justify">The contract has a cross acceleration clause,
i.e. the early maturity of any of the Company&rsquo;s debts, in an individual or aggregate amount equal to or higher than R$ 182 million,
adjusted by the IPCA inflation index as of the issue date, constitutes a default event and may result in the early maturity of the obligations
arising from the Debentures.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Lease</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has lease agreements signed as Assets Lease.
During the construction period, work costs are capitalized to contract assets and the lease amount is recorded at the same proportion.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">After startup, the lease payment period starts (240 monthly
installments), and the amount is periodically restated by the contracted price index.</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amounts payable for the right of use of assets are
also recorded in this line. See Note 14 (f).</P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Covenants</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The table below shows the most restrictive covenants
as of March 31, 2022.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 65%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 35%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Covenants</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Adjusted EBITDA / Adjusted Financial Expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or higher than 2.80</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">EBITDA / Financial Expenses Paid</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or higher than 2.35</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Adjusted Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or lower than 3.80</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Net Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or lower than 3.50</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total Adjusted Debt / Adjusted EBITDA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Lower than 3.65</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other Onerous Debt <SUP>(1)</SUP> / Adjusted EBITDA</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Equal to or lower than 1.30</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Adjusted Current Ratio</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Higher than 1.00</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="padding-top: 6pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt; line-height: 110%">(1) The contractual definition of &ldquo;Other Onerous Debts&rdquo; corresponds to the sum of pension plan obligations and healthcare plan, installment payments of tax debts, and installments payments of debts with the electricity supplier.</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022, and December 31, 2021, the Company
met the requirements set forth by its borrowings and financing agreements.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Borrowings and financing &ndash;
Credit limited</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 68%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Agent</B></P></TD>
    <TD STYLE="width: 3%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 29%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: center; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(in millions of reais (*))</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Brazilian Federal Savings Bank</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,313</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Brazilian Development Bank (BNDES) </FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">455</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Inter-American Development Bank (IDB)</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,249</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">International Bank for Reconstruction and Development (IBRD) </FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,181</FONT></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">20</P></TD></TR>
  <TR>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">TOTAL</FONT></TD>
    <TD STYLE="vertical-align: top; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,218</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">(*) Brazilian Central Bank&rsquo;s exchange rate as of
March 31, 2022 (US$ 1.00 = R$ 4.7378; &yen; 1.00 = R$ 0.03902).</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Financing resources contracted have specific purposes
and are released for the execution of their respective investments, according to the progress of the works.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>17</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Taxes and contributions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Current assets</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 44%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 28%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 28%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Recoverable taxes</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">236,242</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">259,902</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Withheld income tax (IRRF) on financial investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">16,488</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">13,041</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other federal taxes</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,396</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">3,161</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">263,126</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">276,104</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->53<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Current liabilities</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 44%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 28%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 28%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Taxes and contributions payable</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Income tax and social contribution</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">181,621</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Cofins and Pasep</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">110,746</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">111,963</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">INSS (social security contribution)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">39,691</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">39,902</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">IRRF (withholding income tax)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">7,567</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">49,468</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">43,439</P></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">55,797</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">383,064</P></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">257,130</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>18</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Deferred taxes and contributions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 24%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>March 31, 2022</B></P></TD>
    <TD STYLE="width: 24%">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>Deferred income tax assets </B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Provisions</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">502,837</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">503,374</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">148,446</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">150,577</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">47,707</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">47,589</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">176,756</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">183,963</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; border-bottom: Black 0.5pt solid; text-align: right; text-indent: -7.1pt">126,424</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">127,092</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total deferred tax asset</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt 7.1pt; border-bottom: Black 0.5pt solid; text-align: right; text-indent: -7.1pt">1,002,170</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,012,595</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt"><B>Deferred income tax liabilities</B></FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(364,305)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(368,235)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(411,521)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(404,931)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Profit on supply to government entities</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(350,951)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(353,262)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Actuarial gain &ndash; G1 Plan </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(109,271)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(109,271)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Construction margin</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(45,389)</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(46,079)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(13,630)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(14,556)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total deferred tax liabilities</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(1,295,067)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(1,296,334)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; white-space: nowrap">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(292,897)</P></TD>
    <TD STYLE="padding-right: 2.85pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(283,739)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 56 -->
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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
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<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Deferred income tax assets</B></FONT></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Net</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>change</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Provisions</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">503,374</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(537)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">502,837</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">150,577</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,131)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">148,446</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">47,589</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">118 </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">47,707</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">183,963</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(7,207)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">176,756</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">127,092</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(668)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">126,424</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,012,595</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(10,425)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,002,170</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Deferred income tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(368,235)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,930</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(364,305)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(404,931)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(6,590)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(411,521)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(353,262)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,311</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(350,951)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Actuarial gain &ndash; G1</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(109,271)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(109,271)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(46,079)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">690</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(45,389)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(14,556)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">926</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,630)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,296,334)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,267</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,295,067)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(283,739)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(9,158)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(292,897)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 49%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Deferred income tax assets</B></FONT></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Net</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>change</B></P>
</DIV></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Provisions</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">436,445</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8,098</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">444,543</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan obligations - G1</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">154,498</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(948)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">153,550</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Donations of underlying assets on concession agreements</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">50,142</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(671)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">49,471</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Allowance for doubtful accounts</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">155,719</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">18,291</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">174,010</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">134,932</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(5,021)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">129,911</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">931,736</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">19,749</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">951,485</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%"><B>Deferred income tax liabilities</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Temporary difference on concession of intangible asset</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(388,675)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">4,642</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(384,033)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Capitalization of borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(390,211)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,842</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(386,369)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Profit on supply to government entities</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(356,513)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(651)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(357,164)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Actuarial gain &ndash; G1</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(48,979)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(48,979)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Construction margin</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(48,843)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">691</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(48,152)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-bottom: 1pt; padding-left: 2.85pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Borrowing costs</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(19,231)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,453</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(17,778)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,252,452)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,977</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(1,242,475)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Deferred tax liability, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(320,716)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">29,726</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(290,990)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->55<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Reconciliation of the effective tax
rate</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The amounts recorded as income tax and social contribution
expenses in the financial statements are reconciled to the statutory rates, as shown below:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 48%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 26%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to March
    2022</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 26%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to March
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Profit before income taxes</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,474,202</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">750,615</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Statutory rate</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">34%</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Estimated expense at statutory rate</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(501,229)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(255,209)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Permanent differences</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&#9;Provision Law 4,819/1958 &ndash; G0 (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(7,972)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(6,277)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&#9;Donations</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,377)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,367)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&#9;Other differences</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">12,915</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,096</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(498,663)</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(253,757)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Current income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(489,505)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(283,483)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Deferred income tax and social contribution</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(9,158)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">29,726</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Effective rate</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">34%</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">34%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Permanent difference related
to the provision for the actuarial liability. See Note 21 (ii) and (v).</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>19</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Provisions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Lawsuits and proceedings that resulted
in provisions</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 5.15pt"></TD><TD STYLE="width: 23.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(I)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Statement of financial position details</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is a party to several legal claims and administrative
proceedings arising from the normal course of business, including civil, tax, labor, and environmental matters. Management recognizes
provisions consistently with the recognition and measurement criteria established in Note 3.15 to the Annual Financial Statements as of
December 31, 2021. The terms and payment amounts are defined based on the outcome of these lawsuits.</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->56<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 33%">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 2.85pt 1pt 0; text-align: center"><B>&nbsp;</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; width: 11%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 11%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Escrow deposits</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 11%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions net
    of deposits</B></P></TD>
    <TD STYLE="width: 1%; padding-right: 2.85pt; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 11%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 11%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Escrow deposits</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; width: 11%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Provisions net
    of deposits</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">171,725</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(6,898)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">164,827</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">168,258</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(10,780)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">157,478</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">431,731</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(127)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">431,604</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">477,854</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(123)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">477,731</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">98,065</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,592)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">96,473</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95,601</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,523)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">93,078</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">72,112</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(15,282)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">56,830</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">57,509</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,693)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">54,816</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">349,220</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(14,399)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">334,821</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">349,962</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(15,864)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">334,098</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">356,078</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(35)</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">356,043</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">331,326</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(34)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">331,292</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,478,931</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(38,333)</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,440,598</P></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,480,510</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(32,017)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,448,493</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Current</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">835,647</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">835,647</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">809,821</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">809,821</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Noncurrent</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">643,284</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(38,333)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">604,951</FONT></TD>
    <TD STYLE="padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">670,689</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(32,017)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">638,672</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 5.15pt"></TD><TD STYLE="width: 23.2pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(II)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Changes</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additional provisions</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest and
    inflation adjustment</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Use of the accrual</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March 31, </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">168,258</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">7,053</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8,247</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(8,595)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(3,238)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">171,725</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">477,854</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,459</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">13,032</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(60,604)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(10)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">431,731</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">95,601</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,048</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,540</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,973)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,151)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">98,065</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">57,509</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">11,928</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,582</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(703)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(204)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">72,112</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">349,962</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">10,077</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8,889</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(7,467)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(12,241)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">349,220</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">331,326</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,440</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">14,651</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(300)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(39)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">356,078</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,480,510</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44,005</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">51,941</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(80,642)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(16,883)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,478,931</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(32,017)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(13,349)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(3,041)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">7,325</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,749</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(38,333)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,448,493</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">30,656</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">48,900</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(73,317)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(14,134)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,440,598</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>December 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2020</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Additional provisions</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Interest and
    inflation adjustment</B></P></TD>
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Use of the accrual</B></P></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>Amounts not used</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>(reversal)</B></P>
</DIV></TD>
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>March 31,</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">160,705</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">6,013</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">7,563</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,901)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(7,771)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">164,609</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">410,734</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,603</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">11,702</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(23,613)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(142)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">400,284</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">86,083</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">900</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">2,995</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,676)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,219)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">87,083</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">59,678</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">4,426</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,622</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,039)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">64,687</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">316,880</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">15,362</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">8,071</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(6,634)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(5,404)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">328,275</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">249,582</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,849</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">10,990</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">-</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(9,023)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">260,398</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,283,662</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">37,153</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">42,943</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(33,824)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(24,598)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,305,336</FONT></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Escrow deposits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(31,360)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(549)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(728)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">2,309</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">514</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(29,814)</P></TD></TR>
  <TR>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,252,302</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">36,604</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">42,215</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(31,515)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(24,084)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">1,275,522</P></TD></TR>
  </TABLE>

<!-- Field: Page; Sequence: 59 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->57<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Lawsuits deemed as contingent liabilities</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is a party to lawsuits and administrative
proceedings relating to environmental, tax, civil, and labor claims, which are assessed as contingent liabilities in the financial statements,
since it either does not expect outflows to be required or the amount of the obligations cannot be reliably measured. Contingent liabilities,
net of deposits, are represented as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR>
    <TD STYLE="white-space: nowrap; width: 46%; padding-bottom: 1pt; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; vertical-align: bottom; width: 27%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>March 31, 2022</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; vertical-align: bottom; width: 27%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.75pt solid"><B>December 31,
    2021</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Customer claims (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">182,221</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">173,875</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Supplier claims (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,536,468</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,521,935</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other civil claims (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">893,776</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">852,735</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Tax claims (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,626,891</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,548,781</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Labor claims (v)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,108,021</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,095,841</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Environmental claims (vi)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">3,347,408</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.75pt solid">3,201,716</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">8,694,785</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 2.25pt double">8,394,883</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(c)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Explanation of the nature of main
classes of lawsuits</B></FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Customer claims </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Refer mainly to lawsuits from customers claiming that
their tariffs should be equal to those of other consumer categories, lawsuits for reduction of sewage tariff due to system losses, consequently
requiring the refund of amounts charged by the Company, and lawsuits for reduction of tariff for being eligible to the Social Welfare
Entity category.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(ii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Supplier claims</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Include lawsuits filed by some suppliers alleging underpayment
of monetary adjustments and economic and financial imbalance of the agreements, and are in progress at different courts.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(iii)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Other civil claims</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Refer mainly to indemnities for property damage, pain
and suffering, and loss of profits allegedly caused to third parties, such as vehicle accidents, claims, and challenges on the methodology
to collect tariffs, among others, filed at different court levels.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(iv)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Tax claims</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Tax claims refer mainly to tax collections and fines
in general challenged due to disagreements regarding notification or differences in the interpretation of legislation by the Company's
Management.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(v)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Labor claims</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company is a party to several labor lawsuits, involving
issues such as overtime, shift schedule, health hazard premium 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: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(vi)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Environmental claims</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">These refer to several administrative proceedings and
lawsuits filed by government entities, including Companhia Ambiental do Estado de S&atilde;o Paulo (CETESB) and the Public Prosecution
Office of the S&atilde;o Paulo State, which aim at certain obligations to do and not to do, with the provision of fines for non-compliance
and imposition of compensation for environmental damages allegedly caused by the Company.</P>


<!-- Field: Page; Sequence: 60 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->58<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(d)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Guarantee insurance </B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of May 25, 2021, the Company executed an agreement
effective for one year for the issue of policies under several types of guarantee insurance. The limit that can be used is R$ 600 million.
The guarantee insurance for escrow deposit is used in legal claims, where instead of immediately disbursing cash, the Company uses the
guarantee provided by the insurance until the end of these proceedings, limited to up to five years. As of March 31, 2022, R$ 480 million
was available for use.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>20</B></TD><TD STYLE="text-align: justify"><B>Labor liabilities and pension plan obligations</B></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 24%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right"><B>March 31, 2022</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 24%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right"><B>December 31, 2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Salaries and payroll charges</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">33,906</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">58,591</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Provision for vacation</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">221,399</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">226,127</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Provision for Christmas bonus</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">18,222</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Healthcare plan (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">43,905</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">45,915</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Provision for profit sharing (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">26,740</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">88,376</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Consent Decree (TAC)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">6,652</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">5,723</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Knowledge Retention Program (PRC)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,894</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,884</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Total</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">352,718</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">426,616</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 7.1pt"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(i)</B></FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Healthcare plan</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Benefits are paid after the event, free of choice, and
are sponsored by the contributions of SABESP and the employees. In the first quarter of 2022, the Company contributed 8.3%, on average,
of gross payroll, totaling R$ 57,102 (8.7% in the first quarter of 2021, totaling R$ 54,970).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 7.1pt"></TD><TD STYLE="width: 28.35pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(ii)</B></FONT></TD><TD><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Provision for profit sharing</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The profit-sharing program was implemented according
to an agreement with the labor union. Payment corresponds to up to one month&rsquo;s salary for each employee, depending on the performance
of goals reached from January to December, and should be paid in the subsequent year.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>21</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Pension plan obligations</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has Post-Employment Benefit Plans in the
following modalities: Defined Benefit (BD) &ndash; G1 (i) and G0 (ii); and Defined Contribution (CD) &ndash; Sabesprev Mais (iii) and
VIVEST (iv), whereby only the latter is open for new adhesions. See the reconciliation of expenses with such plans in item (v).</P>

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

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

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 55%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan liabilities as of December 31, 2021</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(129,600)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,192,062)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,321,662)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Expenses recognized in 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,935)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(44,238)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(47,173)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Payments made in 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">9,501</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">43,975</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">53,476</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan liabilities as of March 31, 2022</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(123,034)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,192,325)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,315,359)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->59<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 55%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G1 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>G0 Plan</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 15%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan liabilities as of December 31, 2021</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(319,053)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,549,541)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(2,868,594)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Expenses recognized in 2021</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(5,811)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(39,554)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(45,365)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Payments made in 2021</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">8,732</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">40,032</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">48,764</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 3.5pt; padding-bottom: 1pt; padding-left: 3.5pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan liabilities as of March 31, 2021</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(316,132)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,549,063)</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">(2,865,195)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(i)</B></TD><TD STYLE="text-align: justify"><B>G1 Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">Managed by SABESPREV, the financed defined
benefit plan (&ldquo;G1 Plan&rdquo;) receives similar contributions established in a plan of subsidy of actuarial study of SABESPREV,
as follows:</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 38.85pt"></TD><TD STYLE="width: 17.85pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">0.99% of the portion of the salary of
participation up to 20 salaries; and</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 3pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 38.85pt"></TD><TD STYLE="width: 17.85pt"><FONT STYLE="font-family: Symbol; font-size: 10pt">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">8.39% of the surplus, if any, of the
portion of the salary of participation over 20 salaries.</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(ii)</B></TD><TD STYLE="text-align: justify"><B>G0 Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">According to State Law 4,819/1958, employees
who started providing services before May 1974 acquired a legal right to receive supplemental pension payments, which rights are referred
to as &quot;G0 Plan&quot;. The Company pays supplemental retirement and pension amounts on behalf of the S&atilde;o Paulo State and seeks
reimbursements of such amounts, which are recorded 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: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(iii)</B></TD><TD STYLE="text-align: justify"><B>Sabesprev Mais Plan </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">Administered by SABESPREV, the sponsor's
contributions correspond to the result obtained by applying a percentage of 100% to the basic contribution made by the participant.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(iv)</B></TD><TD STYLE="text-align: justify"><B>VIVEST </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify">Administered by VIVEST, the sponsor's contributions
correspond to the result obtained by applying a percentage of 100% to the basic contribution made by the participant.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 22.7pt"><B>(v)</B></TD><TD STYLE="text-align: justify"><B>Reconciliation of expenditures with pension plan obligations </B></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 0 35.45pt; text-align: justify"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 56%; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: justify; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">G1 Plan (i)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,935</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5,811</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">G0 Plan (ii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">44,238</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">39,554</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Sabesprev Mais Plan (iii)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5,878</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">5,286</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">VIVEST Plan (iv)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">58</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">26</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Subtotal</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">53,109</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">50,677</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Capitalized</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(771)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(994)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Reimbursement of additional retirement and pension benefits paid (G0)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(20,791)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(21,093)</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,245</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,215</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Pension plan obligations (Note 27)</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">32,792</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">29,805</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 62 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->60<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>22</B></TD><TD STYLE="text-align: justify"><B>Services payable</B></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">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 March 31, 2022, and December 31, 2021, were
R$ 548,425 and R$ 469,027, respectively.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>23</B></TD><TD STYLE="text-align: justify"><B>Equity </B></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Share capital</B></FONT></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">As of March 31, 2022 and December 31, 2021, the authorized,
subscribed, and paid-in capital, totaling<BR>
R$ 15,000,000, was composed of 683,509,869 registered, book-entry common shares with no par value, as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; text-align: center">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: center"><B>March 31, 2022</B></P></TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: center"><B>December 31,
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 15%; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Number of shares</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 9%; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: center"><B>%</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 15%; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Number of shares</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 9%; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: center"><B>%</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;S&atilde;o Paulo State </FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">343,506,664</FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">50.3</FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">343,506,664</FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">50.3</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;Other shareholders </FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;In Brazil <SUP>(1)</SUP></FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">234,989,371</FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">34.4</FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">234,965,971</FONT></TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">34.4</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;&nbsp;&nbsp;Abroad <SUP>(2) (3)</SUP></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: right">105,013,834</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: right">15.3</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: right">105,037,234</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 0.5pt solid; text-align: right">15.3</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right">&nbsp;</TD>
    <TD STYLE="padding: 4.8pt 5.4pt 2.4pt; white-space: nowrap; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-top: 4.8pt; padding-right: 8.5pt; padding-bottom: 2.4pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&nbsp;Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 1.5pt double; text-align: right">683,509,869</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 1.5pt double; text-align: right">100.0</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 1.5pt double; text-align: right">683,509,869</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 4.8pt 0 2.4pt; border-bottom: Black 1.5pt double; text-align: right">100.0</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 11.35pt"></TD><TD STYLE="width: 22.7pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(1)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">As of March 31, 2022, the common shares
traded in Brazil were held by 34,639 shareholders. It includes six shares held by Cia Paulista de Parcerias &ndash; CPP, a company controlled
by the S&atilde;o Paulo State.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 11.35pt"></TD><TD STYLE="width: 22.7pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(2)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Shares traded as American Depositary
Receipts (ADR) on the New York Stock Exchange, through The Bank New York Mellon, the depositary bank of the Company&rsquo;s ADRs.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 1pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 11.35pt"></TD><TD STYLE="width: 22.7pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">(3)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt">Each ADR corresponds to 1 share.</FONT></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Interest on capital </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Annual Shareholders&rsquo; Meeting of April 28, 2022,
approved the distribution of dividends as interest on capital totaling R$ 547,645, corresponding to a minimum mandatory dividend of R$
96,700 as additional dividends, totaling R$ 644,345, to be paid on June 27, 2022.</P>

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


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>24</B></TD><TD STYLE="text-align: justify"><B>Earnings per share</B></TD></TR></TABLE>

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

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

<P STYLE="font: 10pt/105% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Basic earnings per share are calculated by dividing the
profit attributable to owners by the weighted average number of outstanding common shares during the year. The Company does not have potentially
dilutive common shares outstanding or debts convertible into common shares. Accordingly, basic and diluted earnings per share are equal.</P>

<P STYLE="font: 10pt/105% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 64%; padding-bottom: 2pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 18%; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: center"><B>January to March
    2022</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; width: 18%; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: center"><B>January to March
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Profit attributable to the Company&rsquo;s owners</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">975,539</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">496,858</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Weighted average number of common shares issued</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right">683,509,869</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 0.5pt solid; text-align: right">683,509,869</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; padding-right: 5.4pt; padding-bottom: 2pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 2pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Basic and diluted earnings per share (reais per share)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 1.5pt double; text-align: right">1.42725</P></TD>
    <TD STYLE="padding-right: 5.4pt; white-space: nowrap; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 1.5pt double; text-align: right">0.72692</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/105% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>25</B></TD><TD STYLE="text-align: justify"><B>Operating segment information </B></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company&rsquo;s Management, composed of the Board
of Directors and the Executive Board, has determined the operating segment used to make strategic decisions, such as sanitation services.</P>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>January to March
    2022</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 41%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 21%; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Sanitation (i)</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; width: 18%; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Reconciliation to
    the income statement (ii)</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; width: 20%; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Balance according
    to the financial statements</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,298,220</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">888,206</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,186,426</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(316,036)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(316,036)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">3,982,184</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">888,206</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">4,870,390</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(2,876,938)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(867,521)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(3,744,459)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,105,246</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">20,685</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,125,931</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">2,564</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">5,583</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">340,124</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before taxes</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">1,474,202</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(589,746)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(589,746)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>


<!-- Field: Page; Sequence: 64 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->62<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>January to March
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 41%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 21%; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Sanitation (i)</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; width: 18%; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Reconciliation to
    the income statement (ii)</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; width: 20%; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: center"><B>Balance according
    to the financial statements</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">3,937,222</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">1,023,305</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">4,960,527</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Gross sales deductions</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(283,110)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">-</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(283,110)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Net operating revenue </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">3,654,112</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,023,305</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">4,677,417</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Costs, selling, general, and administrative expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(2,590,864)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(1,000,298)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(3,591,162)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before other operating expenses, net and equity accounting </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,063,248</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">23,007</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,086,255</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">10,676</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Equity accounting</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">8,054</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Financial result, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(354,370)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Income from operations before taxes</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 8pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">750,615</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(542,052)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">-</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 8pt">(542,052)</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 12pt 28.35pt; text-align: justify; text-indent: -28.35pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt">(i)</TD><TD STYLE="text-align: justify">See Note 31 for further information about non-cash items, other than depreciation and amortization that
impact segment results, and additional information on long-lived assets.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 28.35pt">(ii)</TD><TD STYLE="text-align: justify">Construction revenue and related costs are not reported to the CODM. Revenue from construction is recognized
under ICPC 01 (R1) / IFRIC 12 (Concession Agreements) and CPC 47/IFRS 15 (Revenue from Contracts with Customers), as all performance obligations
are met over time. See Note 14 (e) for further information.</TD></TR></TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>26</B></TD><TD STYLE="text-align: justify"><B>Operating revenue</B></TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(a)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Revenue from sanitation services:</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 24%; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5.4pt; width: 24%; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Metropolitan Region of S&atilde;o Paulo</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">3,048,853</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">2,781,778</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Regional Systems </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,249,367</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">1,155,444</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">4,298,220</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">3,937,222</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -14.2pt">&nbsp;</P>


<!-- Field: Page; Sequence: 65 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->63<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 21.3pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>(b)</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Reconciliation from gross operating
revenue to net operating revenue:</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 52%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 24%; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5.4pt; width: 24%; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Revenue from sanitation services (i)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">4,298,220</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,937,222</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Construction revenue</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">888,206</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,023,305</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Sales tax</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(297,585)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(264,885)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Regulation, Control and Oversight Fee (TRCF)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(18,451)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(18,225)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Net revenue</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">4,870,390</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">4,677,417</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 6pt 14.2pt; text-align: justify">(i) Includes R$&nbsp;20,961 from the TRCF
charged from customers from January to March 2022 (R$&nbsp;19,288 from January to March 2021), referring to the municipalities regulated
by ARSESP.</P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>27</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Operating costs and expenses </B></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.05pt">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 62%; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 19%; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5.4pt; width: 19%; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 2.4pt; text-align: center"><B>January to March </B></P>
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Operating costs</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(508,873)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(473,094)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Pension plan obligations </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(7,057)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(8,851)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Construction costs (Note 25)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(867,521)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,000,298)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(66,490)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(60,930)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(147,308)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(98,925)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(365,892)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(367,595)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(411,084)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(357,975)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(198,626)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(180,476)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(543,535)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(499,899)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(3,116,386)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(3,048,043)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Selling expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(67,909)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(61,262)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Pension plan obligations</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(959)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,177)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,130)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,529)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(84,363)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(86,935)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(414)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(347)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General expenses</FONT></TD>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(16,497)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(196,587)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(194,793)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
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    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
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    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
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<!-- Field: Page; Sequence: 66 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->64<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
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<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 8pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
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    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Outsourced services</FONT></TD>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(17,353)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(253,792)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(227,275)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Operating costs and expenses</FONT></TD>
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    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Salaries, payroll charges, and benefits</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(635,303)</FONT></TD>
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  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Pension plan obligations (Note 21 (v))</FONT></TD>
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    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(29,805)</FONT></TD></TR>
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    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Construction costs (Note 25)</FONT></TD>
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    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(1,000,298)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General supplies</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(71,919)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(68,268)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Treatment supplies</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(147,308)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(98,925)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Outsourced services</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(512,088)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(503,912)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Electricity</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(411,943)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(358,912)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;General expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(279,140)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(258,858)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Depreciation and amortization</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(589,746)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(542,052)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Tax expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(19,005)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">(17,353)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: justify; text-indent: -2.85pt"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">&#9;Bad debt expense, net of recoveries&#9;(Note 9 (c)) </FONT></TD>
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    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(177,694)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">(121,051)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 2pt; padding-left: 2.85pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">(3,744,459)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 2pt; border-bottom: Black 1.5pt double; text-align: right">(3,591,162)</P></TD></TR>
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<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

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


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

<P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0 0 0 14.2pt; text-align: justify; text-indent: -14.2pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>28</B></TD><TD STYLE="text-align: justify"><B>Financial income (expenses)</B></TD></TR></TABLE>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 72%; padding-top: 2.4pt; padding-right: 2.85pt; padding-bottom: 2.4pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 14%; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>January to </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0 0; text-align: center"><B>2022</B></P>
</DIV></TD>
    <TD STYLE="padding-right: 5.4pt; width: 14%; padding-left: 5.4pt">
<DIV STYLE="margin-right: 2.85pt; margin-left: 2.85pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>January to</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0; text-align: center"><B>March </B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0 0; text-align: center"><B>2021</B></P>
</DIV></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial expenses</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges on borrowings and financing &ndash; local currency </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(189,553)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(104,680)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and charges on borrowings and financing &ndash; foreign currency </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(8,556)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(12,462)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other financial expenses </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(91,244)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(74,643)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Monetary variation on borrowings and financing </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(70,718)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(52,397)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other monetary variations </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(48,365)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(42,113)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest and monetary variations on provisions</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(44,582)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(41,954)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total financial expenses</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(453,018)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(328,249)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial income</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Inflation adjustment gains </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">59,684</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">51,183</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Income on financial investments </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">79,662</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">18,221</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest income </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">70,684</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">46,980</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Cofins and Pasep </FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(9,767)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(5,414)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">13</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">41</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total financial income</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">200,276</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">111,011</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial income (expenses), net of exchange variation</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(252,742)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(217,238)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange variation</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange variation on borrowings and financing</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">594,030</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(137,573)</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange variation on assets</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(1,263)</FONT></TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">447</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Other exchange variations</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">99</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 0.5pt solid">(6)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Exchange variations, net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">592,866</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(137,132)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding: 2.4pt 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding: 2.4pt 2.85pt 2.4pt 7.1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Financial income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">340,124</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 2.4pt 0; text-align: right; border-bottom: Black 1.5pt double">(354,370)</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0 0 12pt 58.15pt; text-align: justify; text-indent: -22.7pt">&nbsp;</P>


<!-- Field: Page; Sequence: 68 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->66<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

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

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>29</B></TD><TD STYLE="text-align: justify"><B>Other operating income (expenses), net</B></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 62%; padding-bottom: 1pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 19%; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.75pt solid; text-align: center"><B>January to March
    2022</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; width: 19%; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.75pt solid; text-align: center"><B>January to March
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other operating income, net </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">10,308</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">7,796</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other operating expenses </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.75pt solid; text-align: right">(7,744)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.75pt solid; text-align: right">2,880</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">Other operating income (expenses), net</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 2.25pt double; text-align: right">2,564</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 2.25pt double; text-align: right">10,676</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">Other operating expenses usually record derecognition
of concessions assets due to obsolescence, discontinued construction works, unproductive wells, projects considered economically unfeasible,
losses on property, plant and equipment, estimated losses, and operational assets indemnification.</P>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/110% Georgia, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><B>30</B></TD><TD STYLE="text-align: justify"><B>Commitments</B></TD></TR></TABLE>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The Company has 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 March 31, 2022 are as follows:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; width: 35%; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>1 year</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>1-3 years</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>3-5 years</B></P></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
<DIV STYLE="padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center"><B>More than</B></P>
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center"><B>5 years</B></P>
</DIV></TD>
    <TD STYLE="white-space: nowrap; width: 13%; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 1pt 0; text-align: center; border-bottom: Black 0.5pt solid"><B>Total</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Contractual obligations &ndash; Expenses </FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,264,543</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">1,264,680</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">306,370</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">817,980</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 2.85pt; padding-bottom: 1pt; padding-left: 2.85pt; text-align: right"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt">3,653,573</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Contractual obligations - Investments</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">2,872,057</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">2,356,932</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">1,465,988</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">250,710</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 0.5pt solid; text-align: right">6,945,687</P></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: white">
    <TD STYLE="white-space: nowrap; padding-top: 1pt; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">4,136,600</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">3,621,612</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">1,772,358</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">1,068,690</P></TD>
    <TD STYLE="white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 9pt Georgia, Times, Serif; margin: 0 0 1pt; border-bottom: Black 1.5pt double; text-align: right">10,599,260</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">&nbsp;</P>

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


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->67<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1.15pt; text-indent: 1.15pt"><B>Notes to the Interim Financial Information</B></P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/107% Georgia, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/110% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>31</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 10pt"><B>Supplemental cash flow information</B></FONT></TD></TR></TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 66%; padding-bottom: 1pt; text-align: center; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; width: 17%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to March
    2022</B></P></TD>
    <TD STYLE="padding-right: 5.4pt; width: 17%; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: center; border-bottom: Black 0.5pt solid"><B>January to March
    2021</B></P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total additions to contract assets (Note 13)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">958,070</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">1,084,501</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total additions to intangible assets (Note 14 (b))</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">14,100</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">75,522</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Items not affecting cash (see breakdown below)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(320,510)</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">(509,103)</P></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total additions to intangible and contract assets according to the statement of cash flows</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">651,660</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">650,920</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Investments and financing operations affecting intangible assets but not cash:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Interest capitalized in the period (Note 13 (a))</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">120,324</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">54,018</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Contractors payable</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">233,889</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">129,257</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Performance agreements</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">(63,118)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">233,359</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Right of use </FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">8,730</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 1pt; padding-left: 5.4pt; text-align: right; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">69,462</FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Construction margin (Note 13 (b))</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">20,685</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 0.5pt solid">23,007</P></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; vertical-align: bottom; padding-bottom: 1pt; text-align: justify; line-height: 110%"><FONT STYLE="font-family: Georgia, Times, Serif; font-size: 9pt; line-height: 110%">Total</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">320,510</P></TD>
    <TD STYLE="padding-right: 5.4pt; vertical-align: bottom; padding-left: 5.4pt">
    <P STYLE="font: 9pt/110% Georgia, Times, Serif; margin: 0 0 1pt; text-align: right; border-bottom: Black 1.5pt double">509,103</P></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0">&nbsp;</P></DIV>
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<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 8pt 1pt; text-indent: 1pt"><B>Comments on the Company&rsquo;s Projections</B></P>

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify"><B>Comments on the Company&rsquo;s Projections</B></P>

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

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

<P STYLE="font: 10pt/110% Georgia, Times, Serif; margin: 0; text-align: justify">The projections presented in the Reference Form are annual
and not on a quarterly basis. Therefore, the quarterly comparison between information disclosed in the Reference Form with quarterly results
shall not apply.</P>

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

<P STYLE="font: 10pt Georgia, Times, Serif; margin: 0">Projections are monitored every year and disclosed in the Reference Form.</P>

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

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

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

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


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    <!-- Field: /Page -->

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 12pt 1.15pt; text-indent: 1.15pt"><B>Other Information Deemed as
Relevant by the Company</B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 12pt 1.15pt; text-indent: 1.15pt">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CHANGES
IN INTEREST HELD BY THE CONTROLLING SHAREHOLDER, BOARD MEMBERS, AND EXECUTIVE OFFICERS</B></P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom; background-color: silver">
    <TD COLSPAN="5" STYLE="border-top: Black 1pt solid; border-right: black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>CONSOLIDATED SHAREHOLDING POSITION OF CONTROLLING SHAREHOLDERS</B><BR>
&nbsp;<B>AND MANAGEMENT, AND OUTSTANDING SHARES</B><BR>
<B>Position as of 03/31/2022</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; width: 35%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Shareholder</B></FONT></TD>
    <TD STYLE="width: 21%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Number of Common Shares</B><BR>
<B>(units)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>%</B></FONT></TD>
    <TD STYLE="width: 23%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Total Number</B><BR>
<B>&nbsp;of Shares</B><BR>
<B>(units)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 12%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Controlling Shareholder</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Treasury Department</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;343,506,664</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">50.3%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;343,506,664</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">50.3%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Companhia Paulista de Parcerias - CPP</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">0%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">0%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Management</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Board of Directors</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Executive Board</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; white-space: nowrap; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">200</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;200</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Fiscal Council</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Other Shareholders</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Total</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>343,506,870</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>50.3%</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>343,506,870</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>50.3%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Outstanding Shares</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">340,002,999</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">49.7%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;340,002,999</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">49.7%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 72 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->70<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><B>&nbsp;</B></P>

<P STYLE="font: 12pt/107% Arial, Helvetica, Sans-Serif; margin: 12pt 0 12pt 1.15pt; text-indent: 1.15pt"><B>Other Information Deemed as
Relevant by the Company</B></P>
<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><B></B></P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom; background-color: silver">
    <TD COLSPAN="5" STYLE="border-top: Black 1pt solid; border-right: black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>CONSOLIDATED SHAREHOLDING POSITION OF CONTROLLING SHAREHOLDERS</B><BR>
&nbsp;<B>AND MANAGEMENT, AND OUTSTANDING SHARES</B><BR>
<B>Position as of 03/31/2021</B></FONT></TD></TR>
  <TR>
    <TD STYLE="white-space: nowrap; width: 35%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Shareholder</B></FONT></TD>
    <TD STYLE="width: 21%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Number of Common Shares</B><BR>
<B>(units)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>%</B></FONT></TD>
    <TD STYLE="width: 23%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Total Number</B><BR>
<B>&nbsp;of Shares</B><BR>
<B>(units)</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 12%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Controlling Shareholder</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Treasury Department</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;343,507,729</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">50.3%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">343,507,729</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">50.3%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Companhia Paulista de Parcerias - CPP</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">0%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">6</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">0%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Management</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Board of Directors</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Executive Board</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">200</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">0.0%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">200</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">0.0%</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Fiscal Council</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Treasury Shares</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Other Shareholders</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">-</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Total</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>343,507,935</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>50.3%</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>343,507,935</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>50.3%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Outstanding Shares</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">340,001,934</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">49.7%</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">340,001,934</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">49.7%</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

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

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SHAREHOLDING
POSITION</B></P>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom; background-color: silver">
    <TD COLSPAN="5" STYLE="border-top: Black 1pt solid; border-right: black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>SHAREHOLDING POSITION OF HOLDERS OF MORE THAN 5% OF EACH TYPE AND CLASS OF COMPANY SHARES, UP TO THE INDIVIDUAL LEVEL</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: silver">
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Company:</B><BR>
<B>CIA SANEAMENTO B&Aacute;SICO ESTADO S&Atilde;O PAULO</B></FONT></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Position as of 03/31/2022</B><BR>
<B>(Number of shares)</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Common Shares</B></FONT></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Total</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; width: 33%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Shareholder</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 21%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Number of shares</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>%</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 22%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Number of shares</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 15%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>%</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"><FONT STYLE="font-family: Times New Roman, Times, Serif">Treasury Department</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt">
    <P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: right">&nbsp;</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: right">343,506,664</P></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">50.3</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">343,506,664</FONT></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif">50.3</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 0 0 7.35pt">&nbsp;</P>


<!-- Field: Page; Sequence: 73 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%"><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">&nbsp;</P><P STYLE="font: 9pt/10.2pt Arial, Helvetica, Sans-Serif; margin: 0 0 0 1pt; text-align: right">PAGE: <!-- Field: Sequence; Type: Arabic; Name: PageNo -->71<!-- Field: /Sequence --> of 74</P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Arial, Helvetica, Sans-Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 80%"><P STYLE="font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial MT,sans-serif">ITR - Quarterly Information Form - 03/31/2022 - CIA SANEAMENTO BASICO EST SAO PAULO&#9;&#9;</FONT><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">&nbsp;</FONT></P></TD><TD STYLE="width: 20%"><P STYLE="text-align: right; font: 9pt Calibri, Helvetica, Sans-Serif; margin: 0"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Version: 1</FONT></P></TD></TR></TABLE><P STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 4.65pt 24.65pt 0 7.1pt"><B>Reports and Statements / Unqualified Reports on
Special Review</B></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: bold 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt">(Free translation from the original issued in Portuguese.
In the event of any discrepancies, the Portuguese language version shall prevail.)</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: bold 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt">Report on Review of Interim Financial Information</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt; text-align: justify"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt; text-align: justify"><FONT STYLE="font-weight: normal">To
the Shareholders, Directors and Management of </FONT></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt; text-align: justify"><FONT STYLE="font-weight: normal">Companhia
de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo &ndash; SABESP</FONT></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt; text-align: justify"><FONT STYLE="font-weight: normal">S&atilde;o
Paulo &ndash; SP</FONT></P>

<P STYLE="color: #4F2D7F; font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 16pt 24.65pt 6pt 7.1pt; text-align: justify"><FONT STYLE="font-weight: normal">Introduction</FONT></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 6pt 24.65pt 6pt 7.1pt; text-align: justify">We have reviewed the accompanying
interim financial information of Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo (&ldquo;Company&rdquo;), included
in the Interim Financial Information Form (ITR) for the quarter ended March 31, 2022, which comprises the Statement of financial position
as of March 31, 2022 and the related income statement and statement of comprehensive income for the three months then ended and the statements
of changes in equity and cash flows for the three months then ended, including a summary of significant accounting policies and other
explanatory notes.</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 6pt 24.65pt 6pt 7.1pt; text-align: justify">Management is responsible for
the preparation of the interim financial information in accordance with Technical Pronouncement NBC TG - 21- Interim Financial Reporting
and IAS 34 - Interim Financial Reporting, issued by the International Accounting Standards Board (IASB), as well as for the presentation
of such information in accordance with the standards issued by the Brazilian Securities and Exchange Commission (CVM) applicable to the
preparation of Interim Financial Information (ITR). Our responsibility is to express a conclusion on this interim financial information
based on our review.</P>

<P STYLE="color: #4F2D7F; font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 16pt 24.65pt 6pt 7.1pt; text-align: justify"><FONT STYLE="font-weight: normal">Scope
of Review</FONT></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 6pt 24.65pt 6pt 7.1pt; text-align: justify">We conducted our review in
accordance with Brazilian and international standards on review of interim financial information (NBC TR 2410 and ISRE 2410 - Review of
Interim Financial Information Performed by the Independent Auditor of the Entity). A review of interim financial information consists
of making inquiries, primarily of persons responsible for financial and accounting matters, and applying analytical and other review procedures.
A review is substantially less in scope than an audit conducted in accordance with the standards on auditing and consequently does not
enable us to obtain assurance that we would become aware of all significant matters that might be identified in an audit. Accordingly,
we do not express an audit opinion.</P>

<P STYLE="color: #4F2D7F; font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 16pt 24.65pt 6pt 7.1pt; text-align: justify"><FONT STYLE="font-weight: normal">Conclusion
on the interim financial information</FONT></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 6pt 24.65pt 6pt 7.1pt; 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
&ndash; 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="color: #4F2D7F; font: 10pt/12pt Arial, Helvetica, Sans-Serif; margin: 16pt 24.65pt 6pt 7.1pt; text-align: justify"><FONT STYLE="font-weight: normal">Other
matters</FONT></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 6pt 7.1pt; text-align: justify; color: #4F2D7F"><B>Statement
of value added</B></P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 6pt 24.65pt 6pt 7.1pt; text-align: justify">The quarterly information referred
to above includes statements of value added for the period of three months ended March 31, 2022, prepared under the responsibility of
the Company's management and presented as supplementary information for the purposes of IAS 34. These statements were submitted to the
same review procedures in conjunction with the review of the Company's interim financial information in the order to conclude they are
reconciliated to the interim financial information and to the accounting records, as applicable, and whether the structure and content
are in accordance with the criteria established in the NBC TG 09 - Statement of Value Added. Based on our review, nothing has come to
our attention that causes us to believe that the accompanying statements of value added were not prepared, in all material respects, in
accordance with the interim financial information taken as a whole.</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 6pt 24.65pt 6pt 7.1pt; text-align: justify">S&atilde;o Paulo, May 06, 2022</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 12pt 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt; text-align: justify">Nelson Fernandes Barreto Filho</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 16pt 7.1pt; text-align: justify">CT CRC 1SP-151.079/O-0</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt; text-align: justify">Grant Thornton Auditores Independentes</P>

<P STYLE="font: 9pt/12pt Arial, Helvetica, Sans-Serif; margin: 0 24.65pt 0 7.1pt; text-align: justify">CRC 2SP-025.583/O-1</P>


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    <!-- Field: /Page -->

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt"><B>Reports and Statements / Executive Officers&rsquo; Statement
on the Financial Statements</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt"><B>&nbsp;</B></P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Executive Officers&rsquo; Statement on the Quarterly Information</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">STATEMENT</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">The Executive Officers of Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - SABESP, with Corporate Taxpayers&rsquo; ID (CNPJ/MF) number 43.776.517/0001-80, headquartered at Rua Costa
Carvalho, n&ordm; 300, Pinheiros, S&atilde;o Paulo, declare that, according to paragraph 1 of article 25, item VI of CVM Instruction 480,
of December 7, 2009, that:</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">They reviewed, discussed, and agreed with the quarterly
information for the period ended March 31, 2022.</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">S&atilde;o Paulo, May 6, 2022.</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo &ndash; SABESP.</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Benedito Pinto Ferreira Braga Junior</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">CEO</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Osvaldo Garcia</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Chief Economic, Finance, and Investor Relations Officer</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Adriano Candido Stringhini</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Corporate Management Officer</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Alceu Segamarchi Junior</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Technology, Project, and Environment Officer</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Ricardo Daruiz Borsari</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Metropolitan Officer</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Monica Ferreira do Amaral Porto</P>

<P STYLE="font: 9pt/107% Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 8pt 14.2pt">Regional Systems Officer</P>


<!-- Field: Page; Sequence: 75 -->
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<P STYLE="font: 9pt/107% Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 8pt 14.2pt">&nbsp;</P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt"><B>Reports and Statements / Executive Officers&rsquo; Statement
on the Report of Independent Registered Public Accounting Firm</B></P>

<P STYLE="font: 12pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt"><B>&nbsp;</B></P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Executive Officers&rsquo; Statement on the Report of Independent
Registered Public Accounting Firm</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">STATEMENT</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">The Executive Officers of Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - SABESP, with Corporate Taxpayers&rsquo; ID (CNPJ/MF) number 43.776.517/0001-80, headquartered at Rua Costa
Carvalho, n&ordm; 300, Pinheiros, S&atilde;o Paulo, declare that, according to paragraph 1 of article 25, item V of CVM Instruction 480,
of December 7, 2009:</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">They reviewed, discussed, and agreed with the Report of
Independent Registered Public Accounting Firm on the quarterly</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">information for the period ended March 31, 2022.</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">S&atilde;o Paulo, May 6, 2022.</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o
Paulo &ndash; SABESP.</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Benedito Pinto Ferreira Braga Junior</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">CEO</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Osvaldo Garcia</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Chief Economic, Finance, and Investor Relations Officer</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Adriano Candido Stringhini</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Corporate Management Officer</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Alceu Segamarchi Junior</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Technology, Project, and Environment Officer</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Ricardo Daruiz Borsari</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Metropolitan Officer</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 9pt Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">Monica Ferreira do Amaral Porto</P>

<P STYLE="font: 9pt/107% Arial, Helvetica, Sans-Serif; margin: 0 17.55pt 8pt 14.2pt">Regional Systems Officer</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Calibri, Helvetica, Sans-Serif; margin: 0 17.55pt 0 14.2pt">&nbsp;</P>



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

<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 12pt 0.5pt; 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;May 20, 2022</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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