<SEC-DOCUMENT>0001292814-22-000285.txt : 20220202
<SEC-HEADER>0001292814-22-000285.hdr.sgml : 20220202
<ACCEPTANCE-DATETIME>20220202172409
ACCESSION NUMBER:		0001292814-22-000285
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20220331
FILED AS OF DATE:		20220202
DATE AS OF CHANGE:		20220202

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:		22584902

	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>sbs20220202_6k.htm
<DESCRIPTION>FORM 6-K
<TEXT>
<HTML>
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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 STYLE="text-align: center"><FONT color=#000000 size=2 face="Times New Roman"><B>For&nbsp;February, 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>


<!-- Field: Page; Sequence: 1; Options: NewSection -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid">&nbsp;</DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR><TD STYLE="width: 11%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-right: 3.55pt; padding-left: 3.55pt; text-align: center"><FONT STYLE="font-family: Sans-Serif; font-size: 9pt; color: Red"><B><IMG SRC="sbs202202026k_001.jpg" ALT=""></B></FONT></TD><TD STYLE="width: 89%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.55pt; padding-left: 3.55pt"> <P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>BOARD OF DIRECTORS INTERNAL CHARTER</B></P><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P></TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 6pt; text-align: center"></P>

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

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter I - OBJECTIVE</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 1. </B>This Internal Charter
(&#8220;Charter&#8221;) govern and regulate the responsibilities, duties and operating rules of the Board of Directors (&#8220;Board&#8221;)
of <I>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo</I> &#8211; SABESP (&#8220;Company&#8221; or &#8220;Sabesp&#8221;),
in accordance with the provisions of the Company&acute;s Bylaws and legislation in force.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter II - COMPOSITION, INVESTITURE
AND TERM OF OFFICE</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 2</B> The Board of Directors
shall be comprised of at least seven (7) and at most eleven (11) members, elected and dismissed by the General Meeting. All members shall
serve a unified term of office of two (2) years from the date of the election, and a maximum of three (3) consecutive reelections is permitted.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1. </B>Once the limit
of reelections referred to in the main section of this article has been reached, a Board Member shall only be permitted to serve on the
Board again after two (2) years have elapsed.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2.</B> The two-year
(2) period provided for in Paragraph 1 above shall be counted as from the end of the term of office.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 3.</B> The Company&#8217;
s Chief Executive Officer shall serve on the Board of Directors, as long as the position is held, pursuant to the Company&acute;s Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 4.</B> It shall be
incumbent upon the General Meeting that elects the Board of Directors to establish the total number of positions to be filled and to designate
its Chair, within the limits provided for in the Company&#8217;s Bylaws. The Chair may not be the Company&#8217;s Chief Executive Officer
elected as a Board Member.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 5.</B> Unless otherwise
decided by the Board, the Chief Executive Officer that leaves his or her position for any reason shall automatically lose his or her term
of office as a Board Member.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 6.</B> The controlling
shareholder shall be ensured the power to elect the majority of the members of the Board of Directors, pursuant to line &#8220;a&#8221;,
article 116 of Federal Law No. 6,404/1976.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 7.</B> Unless in
the event of resignation or removal, the Board Members&#8217; terms of office are automatically extended until their corresponding alternates
assume their positions in accordance with the Company&#8217;s Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 3.</B> Notwithstanding the
provisions of the Company&#8217;s Bylaws with regards investiture and terms of office, a Board Member shall:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Maintain his or her personal data updated with the
Board&#8217;s Secretary;</FONT></P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR STYLE="vertical-align: top"><TD STYLE="width: 84%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 12pt; padding-bottom: 12pt; text-align: center"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 8pt">Approved at the 958<SUP>th</SUP> Meeting of the Board of Directors - 12/16/2021</FONT></TD><TD STYLE="width: 1%; padding-right: 3.5pt; padding-left: 3.5pt; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD><TD STYLE="width: 15%; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"> <P STYLE="font: 4pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P><P STYLE="text-align: center; font: 7pt Verdana, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 12pt"><B>Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->1<!-- Field: /Sequence --> of 12</B></P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR><TD STYLE="width: 11%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-right: 3.55pt; padding-left: 3.55pt; text-align: center"><FONT STYLE="font-family: Sans-Serif; font-size: 9pt; color: Red"><B><IMG SRC="sbs202202026k_001.jpg" ALT=""></B></FONT></TD><TD STYLE="width: 89%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.55pt; padding-left: 3.55pt"> <P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>BOARD OF DIRECTORS INTERNAL CHARTER</B></P><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P></TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>II.</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></B> <FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Present all personal documents requested by the
Company;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>III.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Declare that there is no impediment under the terms
of the legislation in force;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>IV.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Provide all declarations and information required
by the Company, under the terms of the Company&#8217;s Bylaws, this Charter, the legislation and regulations in force, including those
required by the Brazilian Securities Commission (CVM); </FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>V.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Participate, on taking office and on an annual basis,
in training provided for in Federal Law No. 13,303/2016;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VI.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Comply with SABESP&acute;s Code of Conduct and Integrity;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Comply with the Company&#8217;s policies and rules,
including but not limited to, SABESP&acute;s Institutional Policies on Disclosure of Material Acts and Facts and Trading in Securities
Issued by Sabesp. In addition, a Board Member shall declare ownership, any trading of Company-issued securities as well as submit a list
of persons who are related to him or her under the terms of Article 11 of CVM Instruction No. 358/2002;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VIII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Present the Declaration of Full or Joint Controlled
Companies under the terms of the Institutional Policy on Transactions with Related Parties - PI0032.</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>IX.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Sign the instrument of investiture within 30 (thirty)
days after election, under penalty of annulment (unless he or she provides a justification which is accepted by the body to which a Member
has been elected), which must contain:</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 106.8pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Identification of at least one domicile to receive
service or process and notices of administrative and judicial proceedings related to acts of management, where any change of address may
only be stated in writing, in accordance with the Bylaws;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 106.8pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(ii)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">State his or her agreement with the Arbitration
clause, under the terms required by the Novo Mercado Regulations and the Bylaws;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>X.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To present a declaration of assets and values in
accordance with the Bylaws, which shall be updated annually and at the end of each term of office; </FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XI.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Observe the provisions of Binding Precedent No.
13 of the Federal Supreme Court and State Decree No. 54,376/2009; and</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To state that he or she is aware that remunerated
participation on the Board as provided for in Article 1 of State Decree 58,265/2012 and article 20 of Federal Law 13,303/2016, is prohibited.
If applicable, State Capital Protection Board &#8211; CODEC (Conselho de Defesa dos Capitais do Estado) Resolution 1/18 shall be noted.
</FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter III - BOARD MEMBERS</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Art. 4</B> In addition to the provisions
of the Bylaws, and applicable regulations and legislation, each Board Member must individually:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 54pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Participate in Board of Directors&acute; meetings.</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 54pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(ii)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Read any material in advance and request additional
information, if necessary, in order to be properly prepared for the meeting;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 54pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(iii)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Ensure compliance with proper corporate governance
practices;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 54pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(iv)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Use the Company&#8217;s information only for the
exercise of duties as a Board Member;</FONT></P>


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    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR><TD STYLE="width: 11%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-right: 3.55pt; padding-left: 3.55pt; text-align: center"><FONT STYLE="font-family: Sans-Serif; font-size: 9pt; color: Red"><B><IMG SRC="sbs202202026k_001.jpg" ALT=""></B></FONT></TD><TD STYLE="width: 89%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.55pt; padding-left: 3.55pt"> <P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>BOARD OF DIRECTORS INTERNAL CHARTER</B></P><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P></TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 54pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(v)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B> <FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Treat all Company material and information with
the utmost confidentiality and maintain strict confidentiality over information obtained as a Board Member and not yet disclosed to the
market;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 54pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(vi)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Lead Sabesp in a legal, ethical, transparent and
professional manner, observing Law No. 12,846/2013 and Sabesp&#8217;s Code of Conduct and Integrity, as well as assimilating, accepting
and executing these guidelines;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 54pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(vii)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To state awareness of the US Foreign Corrupt Practices
Act (FCPA) to which Sabesp is subject; and</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 54pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(viii)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To state awareness of, and comply with, the obligations
established in applicable legislation, B3&#8217;s Novo Mercado Regulations, the Company&#8217;s Bylaws, this Internal Charter and Sabesp
Institutional Policies.</FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter IV &#8211; EMPLOYEES REPRESENTATIVE</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 5</B> Under the terms of the
Bylaws, the participation of one (1) employee representative on the Board of Directors is ensured. Such representative&#8217;s term of
office shall coincide with that of the other members.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Sole Paragraph. </B>The employee
representative Board Member shall be chosen by employees&#8217; vote in a direct election organized by trade union entities representing
the employees, with administrative collaboration of the Company, whenever required. Automatic reelection for successive periods under
the terms of the Company&#8217;s Bylaws is forbidden and the provisions of article 122-II of Federal Law No. 6,404/76 shall be noted.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Art. 6</B> The employee representative
on the Board of Directors shall comply with the requirements and prohibitions of article 17 of Federal Law No. 13,303/2016.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Art. 7</B> The appointment of the
employee representative who shall be part of the Board of Directors must occur at least thirty (30) days prior to the date of convening
of the Annual General Meeting.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1. </B>The appointment
shall be communicated to the Chair of the Board of Directors and the Chief Executive Officer.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2. </B>The term of
office of the employee representative shall be the same as that of the other Board Members, regardless of the date<BR>
of its commencement.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter V - REPRESENTATIVE OF MINORITY
SHAREHOLDERS</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article. 8</B> Under the terms of
the Company&acute;s Bylaws, the participation on the Board of Directors by a representative of the minority shareholders is ensured. Such
representative&#8217;s term of office shall coincide with that of the other members.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Sole paragraph. </B>The minority
shareholders&#8217; representative shall meet the requirements and comply with the prohibitions of article 17 of Federal Law No. 13,303/2016.</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR STYLE="vertical-align: top"><TD STYLE="width: 84%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 12pt; padding-bottom: 12pt; text-align: center"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 8pt">Approved at the 958<SUP>th</SUP> Meeting of the Board of Directors - 12/16/2021</FONT></TD><TD STYLE="width: 1%; padding-right: 3.5pt; padding-left: 3.5pt; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD><TD STYLE="width: 15%; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"> <P STYLE="font: 4pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P><P STYLE="text-align: center; font: 7pt Verdana, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 12pt"><B>Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->3<!-- Field: /Sequence --> of 12</B></P></TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter VI - INDEPENDENT BOARD MEMBER</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 9</B> A proportion of least
two (2) or 25% (twenty five percent), whichever is greater, of independent members shall participate in the Board of Directors pursuant
to the provisions of article 22 of Federal Law No. 13,303/2016 and article 15 of the Novo Mercado Regulations.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1. </B>The qualification
of those appointed to the Board of Directors as Independent Board Members shall be decided at the General Meeting that elects them, pursuant
to the Company&acute;s Bylaws, and the General Meeting may base its decision on:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 106.8pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">a declaration, forwarded by the appointed Independent
Board Member, attesting his or her compliance with the independence criteria, including the respective justification, pursuant to applicable
regulations, including but not limited to, the Novo Mercado Regulations; and</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 106.8pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>II.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">statement of the Board of Directors referred to
in Article 29 of this Charter. </FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2. </B>The decision-making
procedure at the General Meeting in relation to eligibility of those appointed for Independent Board Members pursuant to paragraph one
of this article 9 does not apply to appointments of candidates for members of the Board of Directors:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 106.8pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">that fail to meet the deadline for inclusion of
candidates in the ballot paper, as provided for in the regulations issued by the CVM on distance voting; and</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 106.8pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>(ii)</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">upon separate vote.</FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 3. </B>A member elected
by minority shareholders in a separate vote shall be considered an independent member of the Board of Directors under the terms of article
141 paragraphs 4 and 5 and article 239 of Federal Law No. 6,404/1976, and article 22, paragraph 4, Federal Law No. 13,303/2016, as well
as the Company&acute;s Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 4. </B>In the event
that the application of the minimum percentage referred to in the main section results in a fractional number of Members of the Board,
that amount shall be rounded up to the next integer pursuant to the Company&#8217;s Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter VII - VACANCY</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 10. </B>In the event that
a vacancy for a member of the Board opens prior to the termination of his or her term of office, the Board may decide on the choice of
the alternate to complete the term of office of the substituted member. That decision is subject to subsequent approval at the next General
Meeting, under the terms of the Company&acute;s Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1. </B>Any vacancy
in the position of Employee Representative Board Member shall be replaced by another Employee Representative under the terms of the Company&#8217;s
Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2.</B> The Board
of Directors shall observe, when appointing any alternate who shall complete the term of office of a vacant Board Member position, the
eligibility</P>


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    <!-- Field: /Page -->

<P STYLE="font: 10pt/115% Times New Roman, Times, Serif; margin: 12pt 0 0 35.4pt; text-align: justify">requirements applicable to management
(including independence criteria, as the case may be). No exceptions shall be admitted, even due to reasons of urgency on this issue.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter VIII - CHAIR</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 11.</B> The Chair of the Board
(&#8220;Chair&#8221;) shall be appointed by the General Meeting.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1.</B> In the event
of his or her absence or temporary impediment, the Chair shall nominate the Board Member who shall replace him or her in chairing the
proceedings, assuming that this does not include the Chief Executive Officer who is elected as a Board Member.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2.</B> In the event
of vacancy, the Board Members shall elect a Chair who shall assume the position until a new appointment at a General Meeting is decided
upon, assuming that the choice does not include the person acting as the Chief Executive Officer who is elected as a Board Member.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 12.</B> Notwithstanding the
duties provided for in the Company&#8217;s Bylaws, the Chair shall:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Convene, hold and preside over the annual and extraordinary
meetings of the Board of Directors;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>II.</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></B><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Decide on holding in-person, hybrid, or online Board meetings, or make
the matter to be voted available on an electronic platform</FONT><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>III.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Approve the agenda of the meetings;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>IV.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Decide on whether or not to include an extraordinary
item on the agenda (issues not on the agenda);</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>V.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Ensure that the Board Members individually receive
documentation containing the information necessary to allow the discussion and decision on the matters to be dealt with at least five
(5) calendar days in advance of the meeting date;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VI.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Appoint the Executive Secretary;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Guide the Executive Secretary in the conduct of
the proceedings;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VIII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Coordinate the activities of the Board seeking efficiency
and the proper performance of the body;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>IX.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Ensure the effectiveness of the of the Board, with
the power to restrict Board Member contributions to meetings;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>X.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Propose to the Board the Calendar of Ordinary Board
Meetings for the following year, in accordance with Article 24-I of this Charter;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XI.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Decide on the holding of exclusive sessions, in
compliance with the provisions of Article 22 of this Charter;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 35.4pt"></TD><TD STYLE="width: 36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XII.</B></FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Appoint Board members to act as a rapporteur or
reviewer of matters submitted to the Board&#8217;s resolution, when, because of their complexness, it is necessary to thoroughly analyze
and collect additional information from the Company&#8217;s Management and technical employees</FONT><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">;</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XIII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Arial, Helvetica, Sans-Serif">Take cognizance of claims on illicit acts involving Executive Officers,
and decide on the sharing of information with the other Board members</FONT><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">;
and</FONT></P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR STYLE="vertical-align: top"><TD STYLE="width: 84%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 12pt; padding-bottom: 12pt; text-align: center"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 8pt">Approved at the 958<SUP>th</SUP> Meeting of the Board of Directors - 12/16/2021</FONT></TD><TD STYLE="width: 1%; padding-right: 3.5pt; padding-left: 3.5pt; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD><TD STYLE="width: 15%; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"> <P STYLE="font: 4pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P><P STYLE="text-align: center; font: 7pt Verdana, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 12pt"><B>Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->5<!-- Field: /Sequence --> of 12</B></P></TD></TR></TABLE></DIV>
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<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XIV.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B> <FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Comply with and enforce this Charter.</FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter IX - EXECUTIVE SECRETARY</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Art. 13</B> The Board is supported
by an Executive Secretary, appointed by the Chair of the Board of Directors.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Art. 14</B> The Executive Secretary
shall:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Organize the agenda of the meeting in accordance
with the Executive Board or Board of Directors&acute; requests, including the approval of the Board meeting minutes as well as the distribution
of Audit Committee meeting minutes;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>II.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To issue, on behalf of the Chair or a majority of
the Board Members in office, the convening of meetings, stating the date, time, place, agenda of the meeting and respective documents;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>III.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Invite, on behalf of the Chair or a majority of
the Board Members in office, the Company&#8217;s Officers and/ or employees to attend meetings and provide clarification or information
on the matters under consideration, without prejudice to Article 23;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>IV.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Provide secretarial duties and draft the minutes
of the meetings;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>V.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Include the minutes in the Decentralized Entities&#8217;
Information System (Sistema de Informa&ccedil;&otilde;es das Entidades Descentralizadas - SIEDESC), under the terms of the Bylaws;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VI.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Maintain the annual schedule of Board of Director
Meetings updated; and</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Adopt the necessary measures for holding Board meetings.</FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter X - MEETINGS</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 15.</B> The Board shall meet
ordinarily once a month and, extraordinarily, whenever necessary in the interests of the Company, in accordance with the Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1.</B> Board of Directors&acute;
meetings shall be convened by its Chair or by the majority of the Board Members in office, through written or electronic correspondence
to all members and also to the State through the Council for State Capital Protection Board - CODEC, with a minimum notice of ten (10)
days. The notice shall include the date, time and matters that shall be included in the agenda, pursuant to the Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2.</B> Extraordinary
meetings may be called at any time by the Chair of the Board or by the majority of the Members in office.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 3.</B> The ordinary
or extraordinary meetings shall be held in person but may also be held by conference call, videoconference or other suitable means of
expressing Board Members&acute; decisions, whose votes shall be considered valid for all effects, without prejudice to subsequent drafting
and signature of the respective minutes, upon decision of the Chair of the Board of Directors or the majority of Board Members in office,
in accordance with the Bylaws.</P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR STYLE="vertical-align: top"><TD STYLE="width: 84%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 12pt; padding-bottom: 12pt; text-align: center"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 8pt">Approved at the 958<SUP>th</SUP> Meeting of the Board of Directors - 12/16/2021</FONT></TD><TD STYLE="width: 1%; padding-right: 3.5pt; padding-left: 3.5pt; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD><TD STYLE="width: 15%; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"> <P STYLE="font: 4pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P><P STYLE="text-align: center; font: 7pt Verdana, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 12pt"><B>Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->6<!-- Field: /Sequence --> of 12</B></P></TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 4. </B>In face-to-face
meetings, the participation by any Board Members via conference call, videoconferencing or other suitable means of expressing Board Member&#8217;
decisions is permitted, as long as it has been approved by the Chair, or whoever is presiding over the meeting. If applicable, the Board
Member&#8217;s votes shall be considered valid for all purposes, without prejudice to subsequent drafting and signature of the respective
minutes.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 5</B> Voting against
matters submitted for resolution by the Board of Directors implies that the Board member has participated in the in-person or online meeting,
and accompanied the presentation and discussion of the matter.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 6</B> Only matters
deemed as urgent shall be put to a direct vote online, regardless of a prior in-person or online meeting, provided that they are duly
instructed, and the Board members are informed about the option to express their opinion and request clarifications or information.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 16. </B>Meetings convened
by a majority of Board Members in office shall be presided over in the following order of preference: (i) Chair of the Board; (ii) a Board
Member appointed by the Chair (iii) a Board Member appointed by the majority of those present. In any event the choice shall not fall
solely on the CEO who is elected as a Board Member.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 17.</B> The meetings shall
be held at the Company&#8217;s headquarters; In exceptional circumstances, these may take place at another location by decision of those
presiding over the meeting.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 18</B>. Board Meetings shall
be held with the attendance of the majority of members in office and it is the responsibility of the Chair to chair the meeting or, in
the absence thereof, another Board Member appointed by the Chair.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Sole paragraph</B>. The Board
shall adopt resolutions by a majority of votes of meeting participants, and in the event of a tie any proposal that receives the vote
of the Board Member presiding over the Board&acute;s proceedings shall prevail, pursuant to the Company&#8217;s Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 19.</B> Board Meetings shall
follow the order established in the meeting agenda and whenever required, the Chair, or whoever is presiding over the meeting, may alter
the sequence of the agenda in order to give preference to more urgent strategic matters, or in the interest of greater meeting efficiency.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 20.</B> A meeting may be suspended
by decision of the Chair, or whoever is presiding over the meeting and in agreement with the majority of Board Members present. The place,
date and time of meeting continuation shall be defined, and any new call shall be waived, provided no new item is included on the agenda
and when there is a quorum for resolution.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Sole paragraph.</B> The suspension
and/or continuation of a meeting shall be recorded in meeting minutes.</P>


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<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 21.</B> Minutes must be prepared
for each meeting, and, after approval of the Board, shall be transcribed into the Book of Board of Directors&acute; Meeting Minutes and
signed by the Board Members present.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1.</B> Board Meeting
minutes shall be clearly drafted and contain a record of the Board Members present, the resolutions adopted, including any abstentions
or dissenting votes.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2</B> The Chair of
the Board of Directors may refuse the transcription into the minutes of vote protests, votes cast, or justifications of vote, and Board
members are ensured the option to express their opinions on the electronic platform, or through a written notice sent to the Chair of
the Board of Directors, which shall be included as an attachment to the minutes.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 3.</B> A summary
of the Board of Directors&#8217; Meeting minutes shall be signed by the Chair and by the Executive Secretary.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 4.</B> Whenever the
summary of minutes contains resolutions that are intended to produce effects before third parties, it shall be filed with the commercial
registry and published.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 5.</B> The meeting
minutes drawn up and recorded in the proper book shall be immediately included in the Decentralized Entities&#8217; Information System
(SIEDESC).</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 22.</B> Upon resolution of
the Chair, exclusive sessions for external board members may be held without the presence of executives or other participants in order
to align and discuss issues that may cause embarrassment.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 23</B>. The Chair on his or
her own initiative, or at the request of any Board Member, may call Company Officers to attend Board meetings and provide clarification
or information on the issues under consideration. Requests shall be addressed to the Company&#8217;s Chief Executive Officer and shall
include the date, time and issues that shall be included in the agenda, pursuant to the Company&#8217;s Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter XI - POWER AND DUTIES</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 24.</B> Without prejudice
to the duties established in applicable legislation and in the Company&#8217;s Bylaws, it is incumbent on the Board:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve up to the end of November of the current
year the calendar for ordinary board meetings relating to the following year, including an annual thematic agenda with the respective
projection of the most significant issues and the dates for discussion; </FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>II.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the minutes of the Board of Directors&#8217;
meetings;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>III.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the Management Proposal to be submitted
to the General Meeting;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>IV.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the Internal Charter for bidding processes
and hiring;</FONT></P>


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    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR STYLE="vertical-align: top"><TD STYLE="width: 84%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 12pt; padding-bottom: 12pt; text-align: center"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 8pt">Approved at the 958<SUP>th</SUP> Meeting of the Board of Directors - 12/16/2021</FONT></TD><TD STYLE="width: 1%; padding-right: 3.5pt; padding-left: 3.5pt; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD><TD STYLE="width: 15%; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"> <P STYLE="font: 4pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P><P STYLE="text-align: center; font: 7pt Verdana, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 12pt"><B>Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->8<!-- Field: /Sequence --> of 12</B></P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR><TD STYLE="width: 11%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-right: 3.55pt; padding-left: 3.55pt; text-align: center"><FONT STYLE="font-family: Sans-Serif; font-size: 9pt; color: Red"><B><IMG SRC="sbs202202026k_001.jpg" ALT=""></B></FONT></TD><TD STYLE="width: 89%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.55pt; padding-left: 3.55pt"> <P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>BOARD OF DIRECTORS INTERNAL CHARTER</B></P><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P></TD></TR></TABLE></DIV>
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<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>V.</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></B> <FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the duties of the internal audit area
pursuant to article 23-II of Novo Mercado Regulations;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VI.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the Audit Committee&#8217;s budget in
conjunction with the Company&#8217;s budget pursuant to the Bylaws and article 31-B, item VII of CVM Rule 308/1999; </FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To decide on the payment of any annual bonus to
Officers under the terms of paragraph one of article 2 of CODEC Resolution 1, dated 03/16/2018;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>VIII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the choice and dismissal of the person
responsible for the internal audit as endorsed by the Audit Committee based on the appointment by the Executive Board, pursuant to the
Bylaws;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>IX.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To assess and disclose the Audit Committee meetings&#8217;
summary minutes, pursuant to paragraphs 4, 5 and 6 of Article 24 of Law 13,303/2016;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>X.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To assess the work plan of the independent auditor,
previously evaluated by the Audit Committee;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XI.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the guidelines of operation for the Whistleblowing
Channel; </FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the policy on Company voluntary contributions;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XIII.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To ensure that the annual Board of Directors&acute;
assessment process, the assessment of its members and of the members of the advisory committees to the Board of Directors, takes place;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XIV.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To assess the Executive Officers, including the
Chief Executive Officer, annually, in a formal proceeding, pursuant to Article 13-III of Law 13,303/2016; and</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>XV.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To approve the onboarding program for new members
of the Board of Directors.</FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 25. </B>In accordance with
the Company&#8217;s Bylaws, it is incumbent upon the Board to authorize in advance the conclusion of any legal business when the amount
involved exceeds seventy million <I>Reais</I> (R$70,000,000.00), including the acquisition, sale or encumbrance of assets, the obtaining
of loans and financing, the assumption of obligations in general, as well as any association with other legal entities.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1.</B> Any program
agreement or service agreement on the provision of public services for water supply and sewage system, where the present amount of the
investment plan or supplementary investments exceeds the jurisdiction of the Executive Board provided for in the Bylaws, shall be submitted
for prior authorization of the Board of Directors.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2.</B> Amendments
to contracts not previously approved shall be submitted to the Board of Directors when the new amount resulting from the amendment exceeds
the jurisdiction of the Executive Board provided for in the Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 3. </B>Amendments
to contracts previously approved do not need to be submitted to the Board of Directors when the additional amount does not exceed the
jurisdiction of the Executive Board provided for in the Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 4.</B> Entering into
any instrument that does not create a binding financial obligation for the Company exempts from prior authorization by the Board of Directors.</P>


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<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 5. </B>The Chair
of the Board of Directors may request the Audit Committee to monitor the progress of the Company&#8217;s hirings, without prejudice to
the sharing of information with the other Board members.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 26.</B> The Board may designate
powers to the Executive Board, through its own resolution, on matters that are under its responsibilities, as provided for in the Bylaws
or in this Internal Charter, provided these do not relate to duties established under the law, in Article 139 of Federal Law 6,404/1976.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 27.</B> Any matter submitted
to the appreciation of the Board of Directors shall be supported by proposal approved by the Executive Board or the Company&#8217;s competent
bodies and a legal opinion, when necessary for the examination of the matter, pursuant to the Bylaws.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter XII - CIRCUMSTANCES INVOLVING
POTENTIAL CONFLICTS OF INTERESTS</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 28.</B> In any circumstances
that involves a conflict of interest with the Company or a private interest in the matter, it is incumbent on each member of the Board:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To manifest his or her impediment in a timely manner
whenever he or she becomes aware of such fact;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>II.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To refrain from intervening in the issue under discussion
or decision;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>III.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To communicate the fact in the meeting minutes;
and</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>IV.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">To abstain from discussions and decisions.</FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1. </B>If so requested
by the Chair, any Board Member that has declared him or her to be impeded may participate in the discussion in order to provide additional
information but shall under all circumstances absent him- or herself from the part of the meeting in which that issue is put to the vote.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2. </B>If the Chair
has declared him- or herself to be impeded he or she may participate in the discussion in order to provide additional information but
shall under all circumstances absent him- or herself from the part of the meeting in which that issue is put to the vote.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 3. </B>In the event
that a Board Member has an interest that conflicts with that of the Company or a private interest in a matter under discussion and does
not declare him- or herself to be impeded, any other member of the Board that is aware of such circumstances may declare that Board Member
to be impeded, and removal from discussion and decision on the issue shall be recorded in the meeting minutes.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 4. </B>The temporary
removal of any member of the Board of Directors by virtue of a conflict of interest or private interest shall be recorded in the Board
meeting minutes.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>Chapter XIII - STATEMENT OF THE BOARD
ON COMPLIANCE OF NOMINEES </B></P>


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    <!-- Field: /Page -->

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 29. </B>Pursuant to Article
25 of the Novo Mercado Listing Rules, the Management Proposal relating to the General Meeting for the election of the Board of Directors
shall include a statement of the Board which shall include:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Compliance of each nominee for the position of member
of the Board of Directors pursuant to the requirements and prohibitions of Federal Law No. 13,303/2016 and the Nomination Policy; and
</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>II.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">The reasons under which each candidate qualifies
as an Independent Board Member, pursuant to the provisions of Federal Law No. 13,303/2016, the framework criteria set forth in the Novo
Mercado Rules and the declaration stated in Paragraph 1 of Article 9 of this Charter.</FONT></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1. </B>The Board&#8217;s
statement on compliance of candidates with the Nomination Policy as referred to in item I may be based on minutes of meeting of the Eligibility
and Advisory Committee.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2. </B>The Board&#8217;s
statement on the qualification of candidates under the independence criteria as stated in item II may be based on a statement forwarded
by the nominee for Independent Board Member attesting his or her qualification under the independence criteria provided for Federal Law
No. 13,303/2016 and Novo Mercado Rules, and in the latter example shall include the respective justification in the event that any of
the circumstances provided for in paragraph two of article 16 of the Novo Mercado Rules are identified.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 3. </B>The Board&acute;s
statement shall be recorded in meeting minutes and its content included in the Management Proposal.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 4. </B>An Independent
Board Member&acute;s qualification as independent shall be reassessed on an annual basis by the Board of Directors. Any circumstances
that may compromise his or her independence shall be identified, justified and recorded in Board Meeting minutes and disclosed in the
Reference Form.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 30. </B>The Board&#8217;s
decisions on the election of officers or appointment of members of the Audit Committee or other internal committees shall observe the
following procedure:</P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-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;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">The name of the candidate shall be immediately submitted
to the Eligibility and Advisory Committee to verify compliance with the requirements and prohibitions of Federal Law No. 13,303/2016 and
the Nomination Policy;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>II.</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></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">The Chair of the Board may invite a candidate to
present him- or herself in advance to Board Members in a joint session where he or she shall respond to any questions that may be asked;</FONT></P>

<P STYLE="font: 11pt/115% Calibri, Helvetica, Sans-Serif; margin: 12pt 0 10pt 71.4pt; text-align: justify; text-indent: -36pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt"><B>III.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></B><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Any Board Member may request the verification of
additional integrity and technical capacity requirements of a candidate, and the Company shall provide the necessary support in this regard.</FONT></P>


<!-- Field: Page; Sequence: 12 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR STYLE="vertical-align: top"><TD STYLE="width: 84%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 12pt; padding-bottom: 12pt; text-align: center"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 8pt">Approved at the 958<SUP>th</SUP> Meeting of the Board of Directors - 12/16/2021</FONT></TD><TD STYLE="width: 1%; padding-right: 3.5pt; padding-left: 3.5pt; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD><TD STYLE="width: 15%; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"> <P STYLE="font: 4pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P><P STYLE="text-align: center; font: 7pt Verdana, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 12pt"><B>Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->11<!-- Field: /Sequence --> of 12</B></P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR><TD STYLE="width: 11%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-right: 3.55pt; padding-left: 3.55pt; text-align: center"><FONT STYLE="font-family: Sans-Serif; font-size: 9pt; color: Red"><B><IMG SRC="sbs202202026k_001.jpg" ALT=""></B></FONT></TD><TD STYLE="width: 89%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.55pt; padding-left: 3.55pt"> <P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0; text-align: center"><B>BOARD OF DIRECTORS INTERNAL CHARTER</B></P><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P></TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: center"><B>CHAPTER XIV - FINAL PROVISIONS</B></P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0; text-align: justify"><B>Article 31. </B>This Internal Charter
of the Board of Directors was approved in the 958<SUP>th</SUP> Board of Directors&acute; Meeting held on12/16/2021, effective as of this
date.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 1.</B> This Charter
shall be made available on the websites of the Brazilian Securities Commission (CVM) and on the Company&#8217;s website.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 2.</B> This Charter
may be amended whenever necessary or on proposal by any Board Member after discussion and approval at the Board of Directors&acute; Meeting.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify"><B>Paragraph 3</B>. The Internal
Charter of the Board of Directors approved in the 873<SUP>rd</SUP> Board of Directors&acute; Meeting held on October 10, 2018 is hereby
revoked.</P>

<P STYLE="font: 10pt/115% Verdana, Helvetica, Sans-Serif; margin: 12pt 0 0 35.4pt; text-align: justify">&nbsp;</P>

<!-- Field: Page; Sequence: 13; Options: NewSection; Value: 12 -->
    <DIV STYLE="margin-bottom: 6pt; border-bottom: Black 1pt solid"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse"><TR STYLE="vertical-align: top"><TD STYLE="width: 84%; border: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-top: 12pt; padding-bottom: 12pt; text-align: center"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 8pt">Approved at the 958<SUP>th</SUP> Meeting of the Board of Directors - 12/16/2021</FONT></TD><TD STYLE="width: 1%; padding-right: 3.5pt; padding-left: 3.5pt; font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD><TD STYLE="width: 15%; border: Black 1pt solid; padding-right: 3.5pt; padding-left: 3.5pt"> <P STYLE="font: 4pt Arial, Helvetica, Sans-Serif; margin: 0">&nbsp;</P><P STYLE="text-align: center; font: 7pt Verdana, Helvetica, Sans-Serif; margin-top: 12pt; margin-bottom: 12pt"><B>Page <!-- Field: Sequence; Type: Arabic; Name: PageNo -->12<!-- Field: /Sequence --> of 12</B></P></TD></TR></TABLE></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt">&nbsp;</DIV>
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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;February 2, 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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