<SEC-DOCUMENT>0001292814-20-004938.txt : 20201229
<SEC-HEADER>0001292814-20-004938.hdr.sgml : 20201229
<ACCEPTANCE-DATETIME>20201229142142
ACCESSION NUMBER:		0001292814-20-004938
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20201229
DATE AS OF CHANGE:		20201229

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:		201421862

	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>sbs20201228_6k.htm
<DESCRIPTION>FORM 6-K
<TEXT>
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>


<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Washington, DC 20549</B></P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<HR SIZE="1" NOSHADE ALIGN="CENTER" COLOR="Black" STYLE="width: 470px; width: 281.85pt">

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>REPORT OF FOREIGN ISSUER<BR>
PURSUANT TO RULE 13a-16 OR 15d-16 OF THE</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>For&nbsp;December, 2020</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(Commission File No. 1-31317)</B></P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<HR SIZE="1" NOSHADE ALIGN="CENTER" COLOR="Black" STYLE="width: 281.85pt; width: 281.85pt">

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Companhia de Saneamento B&aacute;sico do
Estado de S&atilde;o Paulo - SABESP</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><I>(Exact name of registrant as specified in
its charter)</I></P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Basic Sanitation Company of the State of
Sao Paulo - SABESP</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><I>(Translation of Registrant's name into English)</I></P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<HR SIZE="1" NOSHADE ALIGN="CENTER" COLOR="Black" STYLE="width: 281.85pt; width: 281.85pt">

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Rua Costa Carvalho, 300<BR>
S&atilde;o Paulo, S.P., 05429-900<BR>
Federative Republic of Brazil</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><I>(Address of Registrant's principal executive
offices)</I></P>

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

<HR SIZE="1" NOSHADE ALIGN="CENTER" COLOR="Black" STYLE="width: 281.85pt; width: 281.85pt">

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">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 ______</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">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)__.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">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)__.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">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___</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: -0.1pt">If &quot;Yes&quot; is marked,
indicated below the file number assigned to the<BR>
registrant in connection with Rule 12g3-2(b):</P>

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

<P STYLE="font: 13pt Times New Roman, Times, Serif; margin: 0"></P>
<HR SIZE="2" NOSHADE ALIGN="LEFT" COLOR="Black" STYLE="width: 100%">

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<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center"><B></B></P>

<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Verdana, Helvetica, Sans-Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 5%"><IMG SRC="header.jpg" ALT="">&nbsp;</TD>
    <TD STYLE="width: 95%"><P STYLE="font: 9pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: right">Companhia de Saneamento B&aacute;sico
do Estado de S&atilde;o Paulo - Sabesp</P>

<P STYLE="font: 9pt/115% Verdana, Helvetica, Sans-Serif; margin: 0 0 0 7.1pt; text-align: right">Board of Directors</P></TD></TR>
</TABLE>

<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center"><B></B></P>

<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center"><B>COMPANHIA DE SANEAMENTO B&Aacute;SICO
DO ESTADO DE S&Atilde;O PAULO - SABESP</B></P>

<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center">Corporate Taxpayer&rsquo;s ID
(CNPJ): 43.776.517/0001-80</P>

<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center">Company Registry (NIRE): 35.3000.1683-1</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center"><B>MINUTES OF THE NINE
HUNDRED AND THIRTY-SECOND MEETING OF THE<BR>
BOARD OF DIRECTORS</B></P>

<P STYLE="font: 10pt Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 7.15pt 7pt 7.1pt; text-align: justify">On April 21, 2020,
at 9:30 a.m., the undersigned members of the Company&rsquo;s Board of Directors listed below met via electronic platform at the
call of the Chairman of the Board of Directors, Mario Engler Pinto Junior, on an extraordinary basis, pursuant to the caput and
paragraph 6 of article 13 of the Bylaws of Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo &ndash; SABESP (&ldquo;<B>Issuer</B>&rdquo;
or &ldquo;<B>Company</B>&rdquo;), located at Rua Costa Carvalho, n&ordm; 300, Pinheiros, in the city and state of S&atilde;o Paulo,
to resolve on the only item on the agenda, namely: &ldquo;<B>Ratification of the result of the book building process (&ldquo;Book
Building Process&rdquo;) under the scope of the twenty-seventh (27th) issue of Company debentures</B>&rdquo;, based on the Executive
Board&rsquo;s Resolution 0426/2020, of December 18, 2020, Internal Communication 061/2020, of December 18, 2020, and a PowerPoint
presentation; all these documents have been filed in the meeting&rsquo;s electronic folder. Pursuant to paragraph 1 of article
59 of Law 6,404, of December 15, 1976, as amended (&ldquo;<B><U>Brazilian Corporation Law</U></B>&rdquo;), as per items XIX and
XXII of article 14 of the Company&rsquo;s Bylaws, and resolutions of the 930th Meeting of the Board of Directors, held on November
12, 2020 (&ldquo;<B><U>930th Meeting of the Board of Directors</U></B>&rdquo;), the ratification of the Book Building Process carried
out on December 18, 2020, under the scope of the 27th issue of simple and unsecured debentures, not convertible into shares, in
up to three (3) series for public distribution with restrictive placement efforts, as per Instruction 476 of Brazilian Securities
and Exchange Commission (&ldquo;<B><U>CVM</U></B>&rdquo;) of January 16, 2009, as amended (&ldquo;<B><U>Debentures</U></B>&rdquo;,
&ldquo;<B><U>Issue</U></B>&rdquo; and &ldquo;<B><U>Offering</U></B>&rdquo;, respectively), was <B>unanimously approved</B>, through
which were defined: (i) the number of series of the Issue; (ii) the number of Debentures allocated in each series of the Issue;
and (iii) the final rate of First Series Remuneration (as defined below), Second Series Remuneration (as defined below) and Third
Series Remuneration (as defined below); as follows:</P>

<P STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt"><B>1.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Number of Series:</FONT></B><FONT STYLE="font: 10pt Verdana, Helvetica, Sans-Serif">
The Issue will be carried out in three (3) series, whereby the number of Debentures allocated in each series of the Issue was defined
based on the demand of the Debentures, as calculated on the Book Building Process and according to the Issuer&rsquo;s allocation
interest, as per the Indenture. The allocation of the Debentures</FONT></P>


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<P STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: justify">between the series of the
Issue used the communication vessels system, whereby the number of Debentures of any series was deducted from the total number
of Debentures, thus limiting the number of Debentures allocated to the other series. The Debentures object of the Offering distributed
under the first series are hereinafter referred to as <B>&ldquo;First Series Debentures&rdquo;</B>, the Debentures object of the
Offering distributed under the second series are hereinafter referred to as <B>&ldquo;Second Series Debentures&rdquo;</B> and the
Debentures object of the Offering distributed under the third series are hereinafter referred to as <B>&ldquo;Third Series Debentures&rdquo;</B>.</P>

<P STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 9pt"><B>2.</B></FONT><B><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt">Number of Debentures:</FONT></B><FONT STYLE="font: 10pt Verdana, Helvetica, Sans-Serif">
A total of one million (1,000,000) Debentures will be issued in three (3) series, of which (i) three hundred thousand (300,000)
First Series Debentures; (ii) four hundred thousand (400,000) Second Series Debentures; and (iii) three hundred thousand (300,000)
Third Series Debentures. </FONT></P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 7.15pt 6pt 7.1pt; text-align: justify"><B>3.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Remuneration
of First Series Debentures:</B> First Series Debentures will be entitled to remuneration (&ldquo;<B><U>First Series Remuneration</U></B>&rdquo;)
corresponding to one hundred percent (100%) of the accumulated variation of the average daily rate of one-day <I>over extragrupo
</I>DI interbank deposits (&ldquo;<B><U>DI Rate</U></B>&rdquo;), expressed as an annual percentage, based on two hundred and fifty-two
(252) Business Days, calculated and disclosed by B3 in the daily bulletin available on its website (http://www.b3.com.br), plus
a spread or surcharge of one point six percent (1.60%) per year, based on two hundred and fifty-two (252) Business Days. First
Series Remuneration will be calculated exponentially and cumulatively <I>pro rata temporis</I>, per Business Days elapsed, on the
Face Value (as defined in the Indenture) of First Series Debentures (or balance of the Face Value of First Series Debentures, as
applicable), from the First Payment Date (as defined in the Indenture) or the last Payment Date of First Series Remuneration (as
defined in the Indenture), as applicable, and paid at the end of each Profitability Period (as defined in the Indenture). The calculation
of First Series Remuneration will be carried out according to the formula described in the Indenture.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 7.15pt 6pt 7.1pt; text-align: justify"><B>3.2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Remuneration
of Second Series Debentures:</B> Second Series Debentures will be entitled to remuneration (&ldquo;<B><U>Second Series Remuneration</U></B>&rdquo;)
corresponding to one hundred percent (100%) of the accumulated variation of the DI Rates, expressed as an annual percentage, based
on two hundred and fifty-two (252) Business Days, calculated and disclosed by B3, in the daily bulletin available on its website
(http://www.b3.com.br), plus a spread or surcharge of one point eight percent (1.80%) per year, based on two hundred and fifty-two
(252) Business Days. Second Series Remuneration will be calculated</P>


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<P STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin: 6pt 7.15pt 6pt 7.1pt; text-align: justify">exponentially and cumulatively
<I>pro rata temporis</I>, per Business Days elapsed, on the Face Value of Second Series Debentures (or balance of the Face Value
of Second Series Debentures, as applicable), from the First Payment Date or the last Payment Date of Remuneration of Second Series
Debentures, as applicable, and paid at the end of each Profitability Period. The calculation of Second Series Remuneration will
be carried out according to the formula described in the Indenture.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 7.15pt 6pt 7.1pt; text-align: justify"><B>3.3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Remuneration
of Third Series Debentures:</B> Third Series Debentures will be entitled to remuneration (&ldquo;<B><U>Third Series Remuneration</U></B>&rdquo;)
corresponding to one hundred percent (100%) of the accumulated variation of the DI Rates, expressed as an annual percentage, based
on two hundred and fifty-two (252) Business Days, calculated and disclosed by B3, in the daily bulletin available on its website
(http://www.b3.com.br), plus a spread or surcharge of two point twenty-five percent (2.25%) per year, based on two hundred and
fifty-two (252) Business Days. Third Series Remuneration will be calculated exponentially and cumulatively <I>pro rata temporis</I>,
per Business Days elapsed, on the Face Value of Third Series Debentures (or balance of the Face Value of Third Series Debentures,
as applicable), from the First Payment Date or the last Payment Date of Remuneration of Third Series Debentures, as applicable,
and paid at the end of each Profitability Period. The calculation of Third Series Remuneration will be carried out according to
the formula described in the Indenture.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 6pt 7.15pt 0 7.1pt; text-align: justify">The Board of Directors
ratified all the other terms and conditions related to the Issue, as approved on the resolutions of the 930th Meeting of the Board
of Directors, and included in the &ldquo;<I>Indenture of the 27th Issue of Simple and Unsecured Debentures, Not Convertible into
Shares, in up to Three Series, for Public Distribution, of Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo
- SABESP</I>&rdquo; (&ldquo;<B><U>Indenture</U></B>&rdquo;), as well as all acts related to the Issue that may have been previously
taken by the Executive Board. The Board of Directors also ratified the authorization for the Company&rsquo;s Executive Board to
negotiate and execute the amendment to the Indenture that will indicate the result of the Book Building Process, as well as to
take all the other measures necessary for this purpose.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 7.15pt 0 7.1pt; text-align: justify">After the floor was
opened and there were no other pronouncements, the Chairman, Mario Engler Pinto Junior, adjourned the meeting for the drawing up
of these minutes, which were read, found to be in compliance, signed by me, Marialve de Sousa Martins, Executive Secretary of the
Board of Directors, and by the following attending Board members: MARIO ENGLER PINTO JUNIOR, BENEDITO PINTO FERREIRA BRAGA JUNIOR,
CLAUDIA POLTO DA</P>


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<P STYLE="font: 11pt/150% Arial, Helvetica, Sans-Serif; margin: 12pt 7.15pt 0 7.1pt; text-align: justify">CUNHA, EDUARDO DE FREITAS
TEIXEIRA, FRANCISCO LUIZ SIBUT GOMIDE, FRANCISCO VIDAL LUNA, LUCAS NAVARRO PRADO, REINALDO GUERREIRO, WALTER LUIS BERNARDES ALBERTONI
and WILSON NEWTON DE MELLO NETO.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 7.15pt 0 7.1pt; text-align: justify">This is a free English
translation of the minutes drawn up in the Book of Minutes of the Company's Board of Directors.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 12pt 7.15pt 0 7.1pt; text-align: justify">S&atilde;o Paulo, December
21, 2020.</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin: 0 7.15pt 0 7.1pt; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 7.15pt; padding-left: 7.1pt; font: 11pt/115% Arial, Helvetica, Sans-Serif; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt; line-height: 115%"><B>Mario Engler Pinto Junior</B></FONT></TD>
    <TD STYLE="width: 50%; padding-right: 7.15pt; padding-left: 7.1pt; font: 11pt/115% Arial, Helvetica, Sans-Serif; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt; line-height: 115%"><B>Marialve de Sousa Martins</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt/115% Arial, Helvetica, Sans-Serif; padding-right: 7.15pt; padding-left: 7.1pt; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt; line-height: 115%">Chairman of the Board of Directors</FONT></TD>
    <TD STYLE="font: 11pt/115% Arial, Helvetica, Sans-Serif; padding-right: 7.15pt; padding-left: 7.1pt; text-align: justify"><FONT STYLE="font-family: Verdana, Helvetica, Sans-Serif; font-size: 10pt; line-height: 115%">Secretary of the Board of Directors</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">4/4</FONT></P>

<P STYLE="font: 10pt/150% Verdana, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 0; text-align: center"><FONT STYLE="font: 12pt Times New Roman, Times, Serif"></FONT></P>

<!-- Field: Page; Sequence: 5 -->
    <DIV STYLE="margin-top: 6pt; margin-bottom: 6pt; border-bottom: Gray 2pt solid"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<HR SIZE="2" NOSHADE ALIGN="LEFT" COLOR="Black" STYLE="width: 100%">
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: -0.15pt">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: -0.15pt"><FONT STYLE="font-size: 12pt"><B><U><BR>&nbsp;</U></B></FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: -0.15pt"><FONT STYLE="font-size: 12pt"><B><U>SIGNATURE&nbsp;</U></B></FONT><FONT STYLE="font-size: 7.5pt">&nbsp;</FONT></P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">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&atilde;o Paulo, Brazil.</P>

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

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">Date:&nbsp;December 28, 2020</P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="width: 50%">
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt"><B>Companhia de Saneamento B&aacute;sico do Estado de S&atilde;o Paulo - SABESP</B></FONT></TD></TR>
<TR>
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">&nbsp;</TD>
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; font: 11pt Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:</FONT></TD>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid; font: 11pt Calibri, Helvetica, Sans-Serif"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 12pt">/s/&nbsp;&nbsp;Rui de Britto &Aacute;lvares Affonso</FONT></TD></TR>
<TR>
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 1440px">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Name: Rui de Britto &Aacute;lvares Affonso</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Title: Chief Financial Officer and Investor Relations Officer</P></TD></TR>
</TABLE>
<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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

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

<P STYLE="margin: 0; font: 10pt/107% 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 &quot;anticipates&quot;, &quot;believes&quot;,
&quot;estimates&quot;, &quot;expects&quot;, &quot;plans&quot; 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</P>

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

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


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