<SEC-DOCUMENT>0001292814-24-003566.txt : 20240925
<SEC-HEADER>0001292814-24-003566.hdr.sgml : 20240925
<ACCEPTANCE-DATETIME>20240925161315
ACCESSION NUMBER:		0001292814-24-003566
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240930
FILED AS OF DATE:		20240925
DATE AS OF CHANGE:		20240925

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]
		ORGANIZATION NAME:           	01 Energy & Transportation
		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:		241324224

	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>sbs20240827_6k1.htm
<DESCRIPTION>6-K
<TEXT>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>

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

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

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

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

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

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

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

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

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

<DIV align=center>

<DIV><FONT color=#000000 size=2 face="Times New Roman"><B>For&nbsp;August, 2024</B></FONT></DIV><FONT color=#000000 size=2 face="Times New Roman"><B>(Commission File No. 1-31317) </B></FONT></DIV>

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

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

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

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

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

<DIV align=center></DIV>

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

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

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

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<BR>

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

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

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<BR>

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

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

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

<P></P>

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

<P></P>

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


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<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 20%"><IMG SRC="sbs202408276k1_002.jpg" ALT="" STYLE="width: 72px; height: 68px"></TD>
  <TD STYLE="width: 80%"><P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">Companhia de Saneamento B&aacute;sico do Estado
de S&atilde;o Paulo</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right; text-indent: 1in">CEO&rsquo;s Office</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">R. Costa Carvalho, 300 &ndash; Pinheiros &ndash;
CEP 05429-900 &ndash; S&atilde;o Paulo - SP</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">Phone: (11) 3388-8000</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">www.sabesp.com.br</P>
</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD></TR>
</TABLE>

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

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

<P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 14.2pt; text-align: center"><B>COMPANHIA DE SANEAMENTO B&Aacute;SICO
DO ESTADO DE S&Atilde;O PAULO &ndash; SABESP</B></P>

<P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 14.2pt; text-align: center">PUBLICLY-HELD COMPANY</P>

<P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 14.2pt; text-align: center">Corporate Taxpayer&rsquo;s ID (CNPJ):
43.776.517/0001-80</P>

<P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 14.2pt; text-align: center">Company Registry (NIRE): 35.3000.1683-1</P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 14.2pt; text-align: center">&nbsp;</P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 14.2pt; text-align: center"><B>CALL NOTICE</B></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 14.2pt; text-align: center"><B>EXTRAORDINARY SHAREHOLDERS&rsquo;
MEETING</B></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 7.1pt 0; text-align: justify">Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - Sabesp (&ldquo;<U>Company</U>&rdquo;), located at Rua Costa Carvalho, n&ordm; 300, in the City and State
of S&atilde;o Paulo, hereby invites its Shareholders, according to paragraph 1 of article 9 of its Bylaws, to participate in the Company&rsquo;s
<B>Extraordinary Shareholders&rsquo; Meeting </B>(&ldquo;<U>ESM</U>&rdquo; or &ldquo;<U>Meeting</U>&rdquo;), to be held on <B>September
27, 2024, at 11:00 a.m., in an exclusively digital format</B>, through the Ten Meetings platform, according to Resolution 81 of the Brazilian
Securities and Exchange Commission, of March 29, 2022, as amended (&ldquo;<U>CVM Resolution 81/22</U>&rdquo;), to resolve on the following
agenda:</P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 7.1pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/150% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">I.</FONT></TD><TD STYLE="text-align: justify; padding-right: 7.05pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">Elect
the members of the Company's Board of Directors, according to article 12 of the Bylaws, for a unified term of office of 2 (two) years
from the date of election.</FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 35.45pt; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/150% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">II.</FONT></TD><TD STYLE="text-align: justify; padding-right: 7.05pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">Resolve
on the eligibility of the independent members of the Board of Directors regarding the rules established in the Novo Mercado Regulations
of B3 S.A. &ndash; Brasil, Bolsa, Balc&atilde;o, and CVM Regulation 80/2022.</FONT></TD></TR></TABLE>

<P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0 0 0 35.45pt; text-indent: -21.25pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/150% Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 14.2pt"></TD><TD STYLE="width: 21.25pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">III.</FONT></TD><TD STYLE="text-align: justify; padding-right: 7.05pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">Elect
the members of the Company&rsquo;s Fiscal Council, according to article 26 of the Bylaws, for a term of office until the Annual Shareholder&rsquo;s
Meeting, to be held in 2025.</FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.05pt 0 14.2pt; text-align: justify">&nbsp;</P>

<P STYLE="font: bold 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><I>Shareholder Information:</I></P>

<P STYLE="font: bold 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">The
Meeting will be held exclusively online, according to CVM Resolution 81/22, and Shareholders are allowed to participate </FONT>(i) <FONT STYLE="font-weight: normal">in
person or by a proxy, through the electronic platform at the time defined for the ESM, or </FONT>(ii) <FONT STYLE="font-weight: normal">by
sending voting instructions before the ESM is held, through a Remote Voting Form (&ldquo;<U>RVF</U>&rdquo;).</FONT></P>

<P STYLE="font: bold 13pt/150% Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt; font-weight: normal; line-height: 150%">Due
to the limitation on the exercise of voting rights provided for in article 6 of the Company's Bylaws, the Company requests that shareholders
inform the Company, by 11:00 a.m. on September 25, 2024, whether they belong to a &ldquo;Group of Shareholders&rdquo; (as such term is
defined in article 6 of the Company's Bylaws), and indicate which other shareholders are also members of said &ldquo;Group of Shareholders&rdquo;,
so that the Company can comply with the voting limitation provided for in article 6 of the Bylaws. Shareholders who do not fit into the
legal situations contemplated in the aforementioned article of the Bylaws will not need to send the communication to the Company, and
the Company will consider that such shareholders affirm that they do not belong to any &ldquo;Group of Shareholders&rdquo; and that they
are responsible for such statement. The communication mentioned above must be sent to the attention of the Investor Relations Department
via email sabersp.ri@sabesp.com.br</FONT><FONT STYLE="font-weight: normal">.</FONT><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt; line-height: 150%">The
rules and procedures for shareholders&rsquo; participation in the Meeting are detailed in the <U>Manual
for Participation in the Meeting</U>, and the information about the matters to be resolved at the Meeting is detailed in the Management
Proposal, both of which are available on the Company&rsquo;s Investor Relations website (https://ri.sabesp.com.br/), and on the websites
of B3 (www.b3.com.br) and the Brazilian Securities and Exchange Commission (https://www.gov.br/cvm/pt-br). </FONT></P>
<P STYLE="font: bold 13pt/150% Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt; line-height: 150%"></FONT></P>


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  <TD STYLE="width: 20%"><IMG SRC="sbs202408276k1_002.jpg" ALT="" STYLE="width: 72px; height: 68px"></TD>
  <TD STYLE="width: 80%"><P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">Companhia de Saneamento B&aacute;sico do Estado
de S&atilde;o Paulo</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right; text-indent: 1in">CEO&rsquo;s Office</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">R. Costa Carvalho, 300 &ndash; Pinheiros &ndash;
CEP 05429-900 &ndash; S&atilde;o Paulo - SP</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">Phone: (11) 3388-8000</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">www.sabesp.com.br</P>
</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD></TR>
</TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 13pt/150% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 25.1pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">I.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">Participation through the electronic
platform</FONT></TD></TR></TABLE>

<P STYLE="font: bold 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.1pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">Shareholders
who want to participate in the Meeting must pre-register on the Ten Meetings Platform </FONT>at the following link https://assembleia.ten.com.br/031616910,
until 11:00 a.m. of April 25, 2024<FONT STYLE="font-weight: normal">, by selecting the option &ldquo;Cadastrar&rdquo; and uploading the
documents detailed below:</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 13pt/150% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 9pt; font-weight: normal">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt; font-weight: normal">Photo ID
document (identification document, foreign registration document, driver&rsquo;s license, or professional class identification officially
recognized in Brazil) of the shareholder or, if represented, their legal representative; </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 13pt/150% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 9pt; font-weight: normal">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt; font-weight: normal">Statement
issued by the institution providing bookkeeping services or by the custodian institution, stating the number of shares held, dated no
more than 3 (three) business days before the accreditation for participation in the General Meeting; and </FONT><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">additionally</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 13pt/150% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 9pt; font-weight: normal">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt; font-weight: normal">For</FONT>
<FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">investment fund <FONT STYLE="font-weight: normal">shareholders:
a copy of the consolidated fund regulations and bylaws or articles of organization of its administrator or manager, as applicable, together
with the corporate documentation proving the administrator&rsquo;s or manager&rsquo;s powers of legal representation, as applicable (election
of administrators and/or power of attorney, whereby in case of participation by proxy, the signature of the grantor does not need to be
notarized);</FONT></FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 13pt/150% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Symbol; font-size: 9pt; font-weight: normal">&#183;</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt; font-weight: normal">For </FONT><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">legal
entities <FONT STYLE="font-weight: normal">shareholders: a copy of the bylaws or current articles of organization and corporate documentation
proving the shareholder&rsquo;s powers of legal representation (election of administrators and/or power of attorney, whereby in case of
participation by proxy, the signature of the grantor does not need to be notarized).</FONT></FONT></TD></TR></TABLE>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">If the
shareholders wish to be represented by a proxy, they must register in the Digital Platform, in addition to the documents indicated above,
the power of attorney, under the law and the Manual for Participation in the Meeting.</FONT></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">It should
be noted that the personal data and documents requested for accreditation and participation in the Meeting will be used exclusively for
this purpose and their handling is justified within the terms of article 7, item II, of Law 13,709/2018 (compliance with legal requirement),
according to Brazilian Corporation Law and correlated regulations.</FONT></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">After
analysis and validation of the document, the Shareholders or their representatives will receive a confirmation of registration on the
Digital Platform by email. Access to the ESM will be restricted to Shareholders and/or their representatives or proxies accredited within
the term defined by the Company, who will receive an individual invitation with specific instructions to access the digital platform.</FONT></P>

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  <TD STYLE="width: 20%"><IMG SRC="sbs202408276k1_002.jpg" ALT="" STYLE="width: 72px; height: 68px"></TD>
  <TD STYLE="width: 80%"><P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">Companhia de Saneamento B&aacute;sico do Estado
de S&atilde;o Paulo</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right; text-indent: 1in">CEO&rsquo;s Office</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">R. Costa Carvalho, 300 &ndash; Pinheiros &ndash;
CEP 05429-900 &ndash; S&atilde;o Paulo - SP</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">Phone: (11) 3388-8000</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0.55pt 0 0; text-align: right">www.sabesp.com.br</P>
</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: bold 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 13pt/150% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 25.1pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">II.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">Participation through Remote
Voting Form </FONT></TD></TR></TABLE>
<P STYLE="font: bold 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">If
Shareholders decide to participate in the ESM through a remote voting form, they must </FONT>(a) <FONT STYLE="font-weight: normal">send
filling instructions of the Remote Voting Form to service providers for the collection and transmission of instructions for filling out
these documents (custody agents or bookkeeping agents of the shares issued by the Company), provided that such instructions are received
within up to seven (7) days before the Meeting; </FONT>(b) <FONT STYLE="font-weight: normal">send the Remote Voting Form directly to the
Company; or </FONT>(c) <FONT STYLE="font-weight: normal">send the voting instructions via the Ten Meetings digital platform (through the
link </FONT>https://assembleia.ten.com.br/031616910<FONT STYLE="font-weight: normal">, on the table &ldquo;BVD&rdquo;, </FONT><U>provided
that the instructions are received within seven (7) days before the ESM (i.e. September 20, 2024)</U><FONT STYLE="font-weight: normal">,
and any Remote Voting Forms received by the Company after this deadline will be disregarded.</FONT></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">The sending
of the RVF to the custody agent or bookkeeping agent shall observe the applicable rules and procedures, as indicated by these service
providers. RVF directly sent to the Company &ndash; (i) mailing address, to Rua Costa Carvalho, n&ordm; 300, City and State of S&atilde;o
Paulo (to <I>Superintend&ecirc;ncia de Rela&ccedil;&otilde;es com Investidores</I>); (ii) via email to sabesp.ri@sabesp.com.br; or (iii)
via the Ten Meetings platform, through link https://assembleia.ten.com.br/031616910 - must be accompanied by the documentation listed
in item I above and detailed in the Manual for the Participation in the Meeting.</FONT></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">Shareholders
who send their Remote Voting Form may participate in the Meeting via the digital platform. However, should they exercise their voting
right in real time at the respective Meeting, their Remote Voting Form will be fully disregarded and the votes cast during the Meeting
will be considered valid.</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 13pt/150% Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 25.1pt"></TD><TD STYLE="width: 18pt"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">III.</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt">Requests for a Multiple Vote
</FONT></TD></TR></TABLE>

<P STYLE="font: 13pt/150% Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt; font-weight: normal; line-height: 150%">To
request the adoption of the cumulative voting system for the election of members of the Board of Directors, according to CVM Resolution
70, of March 22, 2022, the applicants must represent at least 5% of the Company&rsquo;s voting capital and may exercise this option up
to 48 hours before the Meeting, by sending correspondence to the <I>Superintend&ecirc;ncia de Rela&ccedil;&otilde;es com Investidores</I>
(i) delivered to the Company's head office, at Rua Costa Carvalho, 300 - S&atilde;o Paulo - SP - CEP 05429-900 or (ii) sent to the e-mail
sabesp.ri@sabesp.com.br</FONT><FONT STYLE="font-weight: normal">.</FONT></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">The Company
emphasizes the importance that any requests for a multiple vote be made in advance to facilitate their processing by the Company and the
participation of other Brazilian and foreign Shareholders. </FONT></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 9pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 7.1pt 0 0; text-align: center">S&atilde;o Paulo, August 26, 2024.</P>

<P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0 7.1pt 0 0; text-align: center">&nbsp;</P>

<P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0 7.1pt 0 0; text-align: center">Karla Bertocco Trindade</P>

<P STYLE="font: 9pt Verdana, Helvetica, Sans-Serif; margin: 0 7.1pt 0 0; text-align: center">Chair of the Board of Directors</P>



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

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

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

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<P></P>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B><U></U></B></FONT>

<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B><U>SIGNATURE&nbsp;</U></B></FONT><FONT size=1>&nbsp;</FONT></DIV>

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

<DIV align=justify><FONT color=#000000 size=3 face="Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the city S&#227;o Paulo, Brazil. <BR></FONT></DIV>

<DIV align=justify><FONT color=#000000 size=3 face="Times New Roman">Date:&nbsp;August 27, 2024</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>Catia Cristina Teixeira Pereira</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: Catia Cristina Teixeira Pereira </FONT></DIV>

   <DIV align=left><FONT color=#000000 size=2 face="Times New Roman">Title: Chief Financial Officer and Investor Relations Officer </FONT></DIV></TD>

   <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>

<P></P>

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