<SEC-DOCUMENT>0001292814-23-000150.txt : 20230117
<SEC-HEADER>0001292814-23-000150.hdr.sgml : 20230117
<ACCEPTANCE-DATETIME>20230117081720
ACCESSION NUMBER:		0001292814-23-000150
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20230331
FILED AS OF DATE:		20230117
DATE AS OF CHANGE:		20230117

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:		23530328

	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>sbs20230116_6k.htm
<DESCRIPTION>FORM 6-K
<TEXT>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>

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

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

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

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

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

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

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

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

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

<DIV align=center>

<DIV><FONT color=#000000 size=2 face="Times New Roman"><B>For&nbsp;January, 2023</B></FONT></DIV><FONT color=#000000 size=2 face="Times New Roman"><B>(Commission File No. 1-31317) </B></FONT></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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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="width: 9%"><IMG SRC="sbs202301166k_001.jpg" ALT="">&nbsp;</TD><TD STYLE="text-align: center; width: 91%"><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo</FONT></P><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000; text-indent: 1in"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">CEO&rsquo;s Office</FONT></P><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">R. Costa Carvalho, 300 &ndash; Pinheiros &ndash; CEP 05429-900 &ndash; S&atilde;o Paulo - SP</FONT></P><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">Phone: (11) 3388-8000</FONT></P><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">www.sabesp.com.br</FONT></P></TD></TR></TABLE></DIV>
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<P STYLE="font: 11pt Arial, Helvetica, Sans-Serif; margin: 0 0 12pt 0.5pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0.1pt 0 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0.1pt 0 0; text-align: center"><B>COMPANHIA DE SANEAMENTO B&Aacute;SICO
DO ESTADO DE S&Atilde;O PAULO - SABESP</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0.1pt 0 0; text-align: center">Corporate Taxpayer&#8217;s ID (CNPJ):
43.776.517/0001-80</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0.1pt 0 0; text-align: center">Company Registry (NIRE): 35.3000.1683-1</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0; text-align: center"><B>MINUTES OF THE 979th BOARD OF
DIRECTORS&#8217; MEETING</B></P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0; text-align: justify">On January 12, 2023, at 8:30 a.m.,
the undersigned members of the Company&#8217;s Board of Directors listed below met remotely, as provided for by paragraph 4 of article
15 of the Board of Directors Charter, at the call of Mario Engler Pinto Junior, the Chair of the Board of Directors, on an extraordinary
basis, according to the head provision and paragraph 6 of Article 13 of the Bylaws of Companhia de Saneamento B&aacute;sico do Estado
de S&atilde;o Paulo &#8211; SABESP (&#8220;Company&#8221;), located at Rua Costa Carvalho, No. 300, Pinheiros, in the city and state of
S&atilde;o Paulo, to resolve on the agenda below.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>1.</B></FONT></TD><TD STYLE="text-align: justify; padding-right: 0.1pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>Election
of the CEO, according to item II of Article 142 of Federal Law 6,404/76, to complete the 2021-2023 mandate. </B>The matter was instructed
based on Official Letter 015/2023, dated January 6, 2023, the Minutes of the 28th Eligibility and Advisory Committee Meeting of Companhia
de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo &#8211; Sabesp held on January 9, 2023, Codec Report No. 001/2023, of January
10, 2023, the Registration Form, and the appointee&#8217;s CV. All of these documents have been filed in the electronic folder of the
meeting. The Controlling Shareholder appointed Mr. Andr&eacute; Gustavo Salcedo Teixeira Mendes as CEO of Sabesp (subject to the analysis
of the Board of Directors), replacing Mr. Benedito Pinto Ferreira Braga Junior. Pursuant to item II of Article 142 of Federal Law 6,404/76,
and item XL of Article 14 of the Bylaws, the Board of Directors <B>unanimously approved </B>the election of Mr. <B>ANDR&Eacute; GUSTAVO
SALCEDO TEIXEIRA MENDES</B>, Brazilian, married, engineer, holder of identification document (RG) number 10.738.189-9 IFP-RJ, individual
taxpayer&#8217;s ID (CPF) 071.918.857-18, domiciled at Rua Costa Carvalho No. 300, Pinheiros, CEP: 05429-000, in the city and state of
S&atilde;o Paulo, as <B>CEO of Sabesp</B>, to complete the 2021-2023 mandate that will end in June 2023, replacing Mr. Benedito Pinto
Ferreira Braga Junior.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0.5in; text-align: justify">The Officer elected herein
shall perform his functions under a mandate coinciding with that of the other executive officers, pursuant to the Company&#8217;s Bylaws.</P>


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<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 35.45pt; text-align: justify">Additionally, the investiture
in the position of Officer is subject to the achievement of specific targets and results, to be approved by the Board of Directors, pursuant
to Article 23 of Law 13,303/2016, and paragraph 1 of Article 42 of the Bylaws. The instrument of investiture must state awareness and
acceptance of the arbitration clause of Novo Mercado Regulations, as per article 52 of the Bylaws.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0.5in; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>2.</B></FONT></TD><TD STYLE="text-align: justify; padding-right: 0.1pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>Appointment
of the CEO as a member of the Board of Directors to complete the 2022-2024 mandate, with subsequent ratification by the Shareholders&#8217;
Meeting. </B>Pursuant to Codec Report No. 001/2023 dated January 10, 2023; paragraph 2 of Article 8 of the Bylaws; and given the election
of Mr. Andr&eacute; Gustavo Salcedo Teixeira Mendes as the CEO of Sabesp, <B>the election of Mr. ANDR&Eacute; GUSTAVO SALCEDO TEIXEIRA
MENDES</B>, Brazilian, married, engineer, holder of identification document (RG) number 10.738.189-9 IFP-RJ, individual taxpayer&#8217;s
ID (CPF) 071.918.857-18, domiciled at Rua Costa Carvalho No. 300, Pinheiros, CEP: 05429-000, in the city and state of S&atilde;o Paulo,
to hold the position of <B>Member of the Board of Directors of Sabesp </B>and complete the 2022-2024 mandate of the former CEO as Board
Member, pursuant to Article 150 of Federal Law 6,404/76 and Article 12 of the Bylaws, maintaining the other members of the Board, <B>was
approved</B>. The matter shall be later ratified by the Shareholders&#8217; Meeting, observing the provisions set forth in paragraph 3
of Article 141 of Federal Law 6,404/76. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0; text-align: justify">The investiture in the positions
of CEO and Board member shall observe the requirements, impediments, and procedures set forth in current regulations, which shall be verified
upon investiture by the Company. The instrument of investiture (drawn up in the proper book) and the clearance statement shall be signed.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0; text-align: justify">Compensation will be defined based
on the guidelines of the State Capital Defense Council, as resolved at the Shareholders&#8217; Meeting. Executive Officers who cumulate
the duties of another Executive Officer shall only be entitled to a single compensation. As for the declaration of assets, the applicable
state regulations must be observed.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>3.</B></FONT></TD><TD STYLE="text-align: justify; padding-right: 0.1pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>Mr.
Eduardo de Freitas Teixeira&#8217;s letter of resignation as a member of the Board of Directors and the Audit Committee of Sabesp. </B>The
Board members acknowledged receipt of the letter of resignation submitted by Mr. Eduardo de Freitas Teixeira as a member of the Board
of Directors and the Audit Committee, dated December 28, 2022.</FONT></TD></TR></TABLE>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="width: 9%"><IMG SRC="sbs202301166k_001.jpg" ALT="">&nbsp;</TD><TD STYLE="text-align: center; width: 91%"><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo</FONT></P><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000; text-indent: 1in"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">CEO&rsquo;s Office</FONT></P><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">R. Costa Carvalho, 300 &ndash; Pinheiros &ndash; CEP 05429-900 &ndash; S&atilde;o Paulo - SP</FONT></P><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">Phone: (11) 3388-8000</FONT></P><P STYLE="font: 8pt/1.2 Arial, Helvetica, Sans-Serif; text-align: right; margin-top: 0; margin-right: 0.55pt; margin-bottom: 0; color: #000000"><FONT STYLE="font-style: normal; font-variant: normal; font-weight: 400; vertical-align: baseline; background-color: Transparent">www.sabesp.com.br</FONT></P></TD></TR></TABLE></DIV>
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<P STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0.5in; text-align: justify"></P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify">On behalf of the Board of Directors,
the Chair thanked Mr. Benedito Pinto Ferreira Braga Junior for the relevant services provided as CEO. The Chair also thanked Board member
Eduardo de Freitas Teixeira, who resigned from office, for the services provided as former Board member.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 6pt; text-align: justify">Mario Engler Pinto Junior, Chair of
the Board of Directors, adjourned the meeting for the drawing up of these minutes, which were read, found to be in compliance, and signed
by me, Marialve de Sousa Martins, Executive Secretary of the Board of Directors, and by the attending Board members: MARIO ENGLER PINTO
JUNIOR, BENEDITO PINTO FERREIRA BRAGA JUNIOR, CLAUDIA POLTO DA CUNHA, FRANCISCO LUIZ SIBUT GOMIDE, FRANCISCO VIDAL LUNA, LEONARDO AUGUSTO
DE ANDRADE BARBOSA, LUIS EDUARDO ALVES DE ASSIS, MARCELO MUNHOZ AURICCHIO, RONALDO COPPA, and WILSON NEWTON DE MELLO NETO.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify">This is a free English translation of
the minutes drawn up in the Book of Minutes of the Board of Directors.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify">S&atilde;o Paulo/SP - January 12, 2023.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0.1pt 0 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 0.1pt; padding-left: 7.1pt; font: 11pt/115% Arial, Helvetica, Sans-Serif; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt; line-height: 115%"><B>Mario Engler Pinto Junior</B></FONT></TD>
    <TD STYLE="width: 50%; padding-right: 0.1pt; padding-left: 7.1pt; font: 11pt/115% Arial, Helvetica, Sans-Serif; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt; line-height: 115%"><B>Marialve de Sousa Martins</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt/115% Arial, Helvetica, Sans-Serif; padding-right: 0.1pt; padding-left: 7.1pt; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt; line-height: 115%">Chair of the Board of Directors</FONT></TD>
    <TD STYLE="font: 11pt/115% Arial, Helvetica, Sans-Serif; padding-right: 0.1pt; padding-left: 7.1pt; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt; line-height: 115%">Secretary of the Board of Directors</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 0.1pt 0 0; 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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<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;January 16, 2023</FONT></DIV>

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

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   <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>

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   <TD height=16></TD>

   <TD height=16></TD>

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<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;

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   <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>

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<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>

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