<SEC-DOCUMENT>0001292814-18-002406.txt : 20180706
<SEC-HEADER>0001292814-18-002406.hdr.sgml : 20180706
<ACCEPTANCE-DATETIME>20180706102431
ACCESSION NUMBER:		0001292814-18-002406
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180930
FILED AS OF DATE:		20180706
DATE AS OF CHANGE:		20180706

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:		18941911

	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>sbs20180703_6k.htm
<DESCRIPTION>6-K
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<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>

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<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>

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<DIV><FONT color=#000000 size=2 face="Times New Roman"><B>For&nbsp;July, 2018</B></FONT></DIV><FONT color=#000000 size=2 face="Times New Roman"><B>(Commission File No. 1-31317) </B></FONT></DIV>

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<DIV 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>

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<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>

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<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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<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>

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<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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   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT style="FONT-SIZE: 9pt" face=verdana,sans-serif>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo</FONT></FONT></P>

   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT lang=EN-US style="FONT-SIZE: 9pt" face=verdana,sans-serif>Board of Directors</FONT></FONT><FONT face=verdana,sans-serif></FONT></P></DIV></TD></TR></TABLE></DIV>&nbsp;
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<P style="MARGIN: 0in 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 11pt" face=Arial,sans-serif><BR clear=all></FONT><FONT face="times new roman"><FONT lang=PT-BR style="FONT-SIZE: 8pt" face="times new roman">&nbsp;</FONT></FONT></P></DIV>

<P style="TEXT-ALIGN: center; MARGIN: 0in 11.05pt 0pt 0in" align=center><B><FONT lang=PT-BR style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>COMPANHIA DE SANEAMENTO B&#193;SICO DO ESTADO DE S&#195;O PAULO - SABESP</FONT></B></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 11.05pt 0pt 0in" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>Corporate Taxpayer&#8217;s ID (CNPJ) No. 43.776.517/0001-80</FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 11.05pt 0pt 0in" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>State Registry (NIRE) 35.3000.1683-1</FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 6pt 11.05pt 0pt 0in" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif></FONT></B>&nbsp;</P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 11.05pt 0pt 0in" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>EXCERPT OF THE MINUTES OF THE EIGHT-HUNDRED AND SIXTY-FIFTH MEETING OF THE </FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif><BR></FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>BOARD OF DIRECTORS</FONT></B></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>On June 21, 2018, at 9 a.m., convened by the Chairman of the Board of Directors, Mario Engler Pinto Junior, ordinarily, as provided for in the head provision and Paragraph Six of Article 13 of the Bylaws, at the meeting room at the headquarter of the Company, located at Rua Costa Carvalho n&#176; 300, S&#227;o Paulo, the undernamed and undersigned members of the Board of Directors of Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo &#8211; SABESP gathered together.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>Opening the meeting, the Chairman of the Board, Mario Engler, justified the absence of the Board Member Reinaldo Guerreiro. (...)</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 12pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>After, the Chairman of the Board, Dr. Mario Engler, gave the word to the Chief Financial Officer and Investor Relations Officer, Rui de Britto &#193;lvares Affonso, and to the Head of Capital Markets and Investor Relations, Mario Azevedo de Arruda Sampaio, who started to present </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>item 5</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif> of the agenda, &#8220;</FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>Approval of the general conditions for the 23rd issue of debentures, in an amount of up to R$750 millions</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>&#8221; (</FONT><I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>time</FONT></I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>: </FONT><I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>20&#8217;</FONT></I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>), based on the Resolution 00159/2018 of the Executive Board, of June 13, 2018, in the FI Internal Notice 35/2018, of June 6, 2018, and in the power point presentation, documents filed in the electronic folder of meetings.(...). After the matter was discussed and voted on, the Board of Directors </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>unanimously approved</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>, based on Items XIX and XXII of Article 14 of the Bylaws, the</FONT><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif> </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>General Conditions Applicable to the 23<SUP>rd</SUP> Issue of simple Debentures, not convertible into shares, unsecured, in up to three (3) series, for public distribution (23<SUP>rd</SUP> Issue),</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif> </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>as set forth in CVM Instruction No. 476, of January 16, 2009, as amended</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>, under the following terms detailed:</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>1. Amount of the issue: up to seven hundred and fifty million reais (R$750 million), with a minimum of five hundred million reais (R$500 million).</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>2. Number of Series: up to three (3) series.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>3. Guarantee: no guarantees, collateral or personal.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>4. Type, Method, Convertibility and Issue of Certificates: the debentures will be issued with the possibility of goodwill or negative goodwill, registered, book-entry, simple and not convertible into shares, without the issue of safeguards or certificates.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>5. Type: unsecured.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>6. Number of Debentures: up to seven hundred and fifty thousand (750,000) Debentures will be issued.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>7. Amortization Term:</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 77.75pt; TEXT-INDENT: -35.25pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>a. 1<SUP>st</SUP> series: term of three (3) years, with 100% (one hundred per cent) amortization of the Unit Par Value on the due maturity date.</FONT></P>

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   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT style="FONT-SIZE: 9pt" face=verdana,sans-serif>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo</FONT></FONT></P>

   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT lang=EN-US style="FONT-SIZE: 9pt" face=verdana,sans-serif>Board of Directors</FONT></FONT><FONT face=verdana,sans-serif></FONT></P></DIV></TD></TR></TABLE></DIV>&nbsp;<FONT face="folio md bt,sans-serif"><FONT lang=PT-BR style="FONT-SIZE: 14pt" face="folio md bt,sans-serif">&nbsp;</FONT></FONT>

<P style="MARGIN: 0in 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 11pt" face=Arial,sans-serif></FONT></P>

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<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 77.75pt; TEXT-INDENT: -35.25pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>b. 2<SUP>nd</SUP> series: a term of five (5) years, with 50.00% (fifty per cent) of the Unit Par Value in the 4<SUP>th</SUP> year after the issue date and amortization of the balance of the Unit Par Value on the due maturity date.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 77.75pt; TEXT-INDENT: -35.25pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>c. 3<SUP>rd</SUP> series: a term of seven (7) years, with 50.00% (fifty per cent) of the Unit Par Value in the 6<SUP>th</SUP> year after the issue date and amortization of the balance of the Unit Par Value on the due maturity date. </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>8. Remuneration: The maximum rates of compensation for the 1<SUP>st</SUP>, 2<SUP>nd</SUP> and 3<SUP>rd</SUP> series will be:</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 69.9pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>a. 1<SUP>st&nbsp; </SUP>series: DI Rate + 0.50% p.a.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 69.9pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>b. 2<SUP>nd</SUP> series: DI Rate + 0.75% p.a.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 28.3pt; TEXT-INDENT: 7.1pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>c. 3<SUP>rd</SUP> series: compensation of NTNB 2024 + 0.90% p.a.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 35.4pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>The final rates will be established after the conclusion of the Bookbuilding procedure.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>9.&nbsp; Distribution: the Debentures will be distributed through a public offer with restricted efforts, pursuant to CVM Instruction 476.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>10. Placement System: </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>(i) firm guarantee, for R$500 million, for the 1<SUP>st</SUP> and 2<SUP>nd</SUP> series. </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>(ii) best efforts, for R$250 million, for any of the series.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt; TEXT-INDENT: 42.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>11. Frequency of payment of the compensation: 1<SUP>st</SUP> and 2<SUP>nd</SUP> series half-yearly and 3<SUP>rd</SUP> series annually.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>12. Use of proceeds: refinancing the financial commitments due in 2018 and reinforcing the cash.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>13. Financial Covenants: </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 69.9pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>a. Net Debt/Adjusted EBITDA &#8804; 3.50. </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 69.9pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>b. Adjusted EBITDA/Financial Expenses &#8805; 1,5.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>14. Early Redemption: </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 42.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>a. 1<SUP>st</SUP> series: will be allowed, partially or in full, at any time, as of the 18<SUP>th</SUP> (eighteenth) month (including this date) after the issue date, with partial redemption premium of 0.20% p.a. on the debt balance on the actual date of the early redemption. </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt; TEXT-INDENT: 42.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>b. 2<SUP>nd</SUP> and 3<SUP>rd</SUP> series: will not be allowed.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt; TEXT-INDENT: 42.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>15.&nbsp; Unit Par Value: One thousand reais (R$1,000.00).</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>16.&nbsp; Inflation Adjustment of the Unit Par Value: There will be no inflation adjustment of the Unit Par Value. </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>17.&nbsp; Allocation: The allocation between the series will be carried out through the &#8220;Communicating Vessels&#8221; system and will be established after the Bookbuilding procedure. </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>18.&nbsp; Means of Subscription and Payment: The Debentures will be subscribed and paid, in the primary market, for their Unit Par Value. (&#8220;First Payment Date&#8221; and &#8220;Payment Price&#8221;). If the Debentures are not subscribed and paid in full on the First Payment Date due to operational reasons, the Payment Price of the Debentures paid after the First Payment Date will be the Unit Par Value, plus the due compensation.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 41.6pt; TEXT-INDENT: -34.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>19.&nbsp; Other Characteristics: The other characteristics of the debentures and the issue will be described in the deed and in other due documents.</FONT></P>

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   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT style="FONT-SIZE: 9pt" face=verdana,sans-serif>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo</FONT></FONT></P>

   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT lang=EN-US style="FONT-SIZE: 9pt" face=verdana,sans-serif>Board of Directors</FONT></FONT><FONT face=verdana,sans-serif></FONT></P></DIV></TD></TR></TABLE></DIV>&nbsp;
<IMG border=0 src="logos2.gif"><FONT face="folio md bt,sans-serif"><FONT lang=PT-BR style="FONT-SIZE: 14pt" face="folio md bt,sans-serif">&nbsp;</FONT></FONT>

<P style="MARGIN: 0in 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 11pt" face=Arial,sans-serif><BR clear=all></FONT><FONT face="times new roman"><FONT lang=PT-BR style="FONT-SIZE: 8pt" face="times new roman">&nbsp;</FONT></FONT></P></DIV>

<P style="TEXT-ALIGN: justify; MARGIN: 12pt 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>In addition, the Board of Directors authorizes the members of the Company&#8217;s Executive Board, subject to legal and statutory provisions, to carry out any and all measures related to the 23<SUP>rd</SUP> Issue, including negotiating the other terms and conditions of the documents related to the issue.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>(...)</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" color=black face=verdana,sans-serif>The minutes, once approved, will be signed by the Members of the Board of Directors: Mario Engler Pinto Junior, Ernesto Rubens Gelbcke, Francisco Luiz Sibut Gomide, Francisco Vidal Luna, Jer&#244;nimo Antunes, Karla Bertocco Trindade, Lu&#237;s Eduardo Alves de Assis, Lucas Navarro Prado and Rog&#233;rio Ceron de Oliveira.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>This is a free English translation of the original minutes drawn up in the Book of Minutes of the Meetings of the Company&#8217;s Board of Directors.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>S&#227;o Paulo, June 21, 2018.</FONT></P>

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   <P style="TEXT-ALIGN: justify; MARGIN: 0in 11.05pt 0pt 0pt"><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>Mario Engler Pinto Junior</FONT></B></P></TD>

   <TD style="PADDING-BOTTOM: 0in; PADDING-TOP: 0in; PADDING-LEFT: 3.5pt; PADDING-RIGHT: 3.5pt" vAlign=top width="46%">

   <P style="TEXT-ALIGN: justify; MARGIN: 0in 11.05pt 0pt 0in"><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>Marialve de Sousa Martins</FONT></B></P></TD></TR>

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   <P style="TEXT-ALIGN: justify; MARGIN: 0in 11.05pt 0pt 0pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>Chairman of the Board of Directors</FONT></P></TD>

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   <P style="TEXT-ALIGN: justify; MARGIN: 0in 11.05pt 0pt 0in"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=verdana,sans-serif>Secretary of the Board of Directors</FONT></P></TD></TR></TABLE></DIV>

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   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT style="FONT-SIZE: 9pt" face=verdana,sans-serif>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo</FONT></FONT></P>

   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT lang=EN-US style="FONT-SIZE: 9pt" face=verdana,sans-serif>Board of Directors</FONT></FONT><FONT face=verdana,sans-serif></FONT></P></DIV></TD></TR></TABLE>

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<H1 style="MARGIN: 0.05pt 0in 0pt 53.75pt"><B><FONT style="FONT-SIZE: 9pt; LINE-HEIGHT: 10.95pt" face=Verdana,sans-serif></FONT></B>&nbsp;</H1>

<H1 style="TEXT-ALIGN: center; MARGIN: 0.05pt 0in 0pt 53.75pt"><B><FONT style="FONT-SIZE: 9pt; LINE-HEIGHT: 10.95pt" face=Verdana,sans-serif>COMPANHIA DE SANEAMENTO B&#193;SICO DO ESTADO DE S&#195;O PAULO - SABESP</FONT></B></H1>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Corporate Taxpayer&#8217;s ID</FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>(CNPJ/MF) No.</FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>43.776.517/0001-80 </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Company Registry (NIRE) </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>No. 35.3000.1683-1</FONT></P>

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<H1 style="TEXT-ALIGN: center; MARGIN: 0in 54.3pt 0pt 54.7pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 115%" face=Verdana,sans-serif>EXCERPT OF THE MINUTES OF THE EIGHT-HUNDRED AND SIXTY-FIFTH </FONT></B></H1>

<H1 style="TEXT-ALIGN: center; MARGIN: 0in 54.3pt 0pt 54.7pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 115%" face=Verdana,sans-serif>MEETING OF THE BOARD OF DIRECTORS</FONT></B></H1>

<P style="MARGIN: 0.35pt 0in 0pt"><B><FONT lang=EN-US style="FONT-SIZE: 5.5pt" face=Verdana,sans-serif></FONT></B>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 5pt 5.05pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>On June 21, 2018, at 9 a.m., convened by the Chairman of the Board of Directors, Mario Engler Pinto Junior, ordinarily, as provided for in the head provision and Paragraph Six of Article 13 of the Bylaws, at the meeting room at the headquarter of the Company, located at Rua Costa Carvalho n&#176; 300, S&#227;o Paulo, the undernamed and undersigned members of the Board of Directors of Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo &#8211; SABESP gathered together.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6.05pt 5.35pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 148%" face=Verdana,sans-serif>Opening the meeting, the Chairman of the Board, Mario Engler, justified the absence of the Board Member Reinaldo Guerreiro. (...)</FONT></P>

<P style="MARGIN: 0.15pt 0in 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>(...)</FONT></P>

<P style="MARGIN: 0.5pt 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 14pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 4.95pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>After, the word was granted to the Head of Integrated Planning, Dante Ragazzi Pauli, who was accompanied by the Head of Capital Markets and Investor Relations, Mario Azevedo de Arruda Sampaio, by the Head of Risk and Compliance Management, Michael Breslin, and by the Management Analyst of the Superintendency of Capital Markets and Investor Relations, Priscila Costa da Silva, who presented </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>item 7 </FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>of the agenda, &#8220;</FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Annual letter of corporate governance and public policies signed by the Board of Directors, pursuant to Item I of Article 8 of Federal Law 13.303/2016 and Item XIV of Article 14 of the Bylaws</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>&#8221; (</FONT><I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>time: </FONT></I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>20), based on the Executive Board&#8217;s Resolution 0157/2018, of June 13, 2018, in the Internal Notice PI 024/2018, of June 12, 2018, in the document entitled Annual Letter of Public Policies and Corporate Governance and in the power point presentation, documents filed in the electronic folder of the meeting. (...). The matter was discussed and then voted on, according to Item I of Article 8 of Federal Law 13.303/2016 and Item XIV of Article 14 of the Bylaws, the </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Annual Letter of Corporate Governance and Public Policies signed by the Board of Directors was unanimously approved</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>.</FONT></P>

<P style="MARGIN: 5.95pt 0in 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>(...)</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 5.5pt 5.15pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>The minutes, once approved, will be signed by the Members of the Board of Directors: Mario Engler Pinto Junior, Ernesto Rubens Gelbcke, Francisco Luiz Sibut Gomide, Francisco Vidal Luna, Jer&#244;nimo Antunes, Karla Bertocco Trindade, Lucas Navarro Prado, Lu&#237;s Eduardo Alves de Assis and Rog&#233;rio Ceron de Oliveira.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 5.95pt 5.25pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>This is a free English translation of the original minutes drawn up in the Book of Minutes of the Meetings of the Company&#8217;s Board of Directors.</FONT></P>

<P style="MARGIN: 0in 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 13.5pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.6pt"><FONT lang=PT-BR style="FONT-SIZE: 9pt" face=Verdana,sans-serif>S&#227;o Paulo, June 29, 2018.</FONT></P>

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<H1 style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0in 5.5pt"><B><FONT style="FONT-SIZE: 9pt; LINE-HEIGHT: 10.95pt" face=Verdana,sans-serif>Mario Engler Pinto Junior&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Marialve de Sousa Martins</FONT></B></H1>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Chairman of the Board of Directors&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Secretary of the Board of Directors</FONT></P>

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   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT style="FONT-SIZE: 9pt" face=verdana,sans-serif>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo</FONT></FONT></P>

   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT lang=EN-US style="FONT-SIZE: 9pt" face=verdana,sans-serif>Board of Directors</FONT></FONT><FONT face=verdana,sans-serif></FONT></P></DIV></TD></TR></TABLE>

<P style="MARGIN: 0in 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 11pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

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<H1 style="TEXT-ALIGN: center; MARGIN: 0.05pt 0in 0pt 53.75pt"><B><FONT style="FONT-SIZE: 9pt; LINE-HEIGHT: 10.95pt" face=Verdana,sans-serif>COMPANHIA DE SANEAMENTO B&#193;SICO DO ESTADO DE S&#195;O PAULO - SABESP</FONT></B></H1>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Corporate Taxpayer&#8217;s ID </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>(CNPJ/MF) No. </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>43.776.517/0001-80 </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Company Registry (NIRE) </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>No. 35.3000.1683-1</FONT></P>

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<H1 style="TEXT-ALIGN: center; MARGIN: 0in 54.3pt 0pt 54.7pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 115%" face=Verdana,sans-serif>EXCERPT OF THE MINUTES OF THE EIGHT-HUNDRED AND SIXTY-FIFTH </FONT></B></H1>

<H1 style="TEXT-ALIGN: center; MARGIN: 0in 54.3pt 0pt 54.7pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 115%" face=Verdana,sans-serif>MEETING OF THE BOARD OF DIRECTORS</FONT></B></H1>

<P style="MARGIN: 0.35pt 0in 0pt"><B><FONT lang=EN-US style="FONT-SIZE: 5.5pt" face=Verdana,sans-serif></FONT></B>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 5pt 5.05pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>On June 21, 2018, at 9 a.m., convened by the Chairman of the Board of Directors, Mario Engler Pinto Junior, ordinarily, as provided for in the head provision and Paragraph Six of Article 13 of the Bylaws, at the meeting room at the headquarter of the Company, located at Rua Costa Carvalho n&#176; 300, S&#227;o Paulo, the undernamed and undersigned members of the Board of Directors of Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo &#8211; SABESP gathered together. </FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 5pt 5.05pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Opening the meeting, the Chairman of the Board, Mario Engler, justified the absence of the Board Member Reinaldo Guerreiro. (...) </FONT></P>

<P style="MARGIN: 0.15pt 0in 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>(...)</FONT></P><FONT lang=EN-US style="FONT-SIZE: 14pt" face=Verdana,sans-serif>

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<P style="TEXT-ALIGN: justify; MARGIN: 0in 5.1pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Continuing the works, the Chairman of the Board of Directors granted the word to the Coordinator of the Ethics and Conduct Committee and Lawyer of the Superintendency of Risk and Compliance Management, Regina Helena Piccolo Cardia, and to the Head of Corporate Risk and Compliance Management, Michael Breslin, who were accompanied by the Manager of the Institutional Department of Legal Advice, Elizabeth Melek Tavares, presented </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>item 8</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif> of the agenda, &#8220;</FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Approval of the Code of Conduct and Integrity of Sabesp, according to Item I of Article 18 of Federal Law 13.303/16</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>.&#8221; (</FONT><I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Time: </FONT></I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>20 '), which was carried out based FROM-&gt;TO, comparing the current Code of Conduct and the drafting proposal for the Code of Conduct and Integrity with the reasonings and in the power point presentation, documents filed in the electronic folder of this meeting. (...) The matter was discussed and then voted on, according to Item XXXIII of Article 14 of the Bylaws and Item I of Article 18 of Federal Law 13.303/16, the </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Code of Conduct and Integrity of Sabesp was unanimously approved</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>.</FONT></P>

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<P style="TEXT-ALIGN: justify; MARGIN: 5.35pt 5.15pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>The minutes, once approved, will be signed by the Members of the Board of Directors: Mario Engler Pinto Junior, Ernesto Rubens Gelbcke, Francisco Luiz Sibut Gomide, Francisco Vidal Luna, Jer&#244;nimo Antunes, Karla Bertocco Trindade, Lucas Navarro Prado, Lu&#237;s Eduardo Alves de Assis and Rog&#233;rio Ceron de Oliveira.</FONT></P>

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<P style="TEXT-ALIGN: justify; MARGIN: 6pt 5.25pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>This is a free English translation of the original minutes drawn up in the Book of Minutes of the Meetings of the Company&#8217;s Board of Directors.</FONT></P>

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<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.6pt"><FONT lang=PT-BR style="FONT-SIZE: 9pt" face=Verdana,sans-serif>S&#227;o Paulo, June 29, 2018.</FONT></P>

<P></P>Mario Engler Pinto Junior&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Marialve de Sousa Martins</FONT></B></H1>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Chairman of the Board of Directors&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Secretary of the Board of Directors</FONT></P>

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   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT style="FONT-SIZE: 9pt" face=verdana,sans-serif>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo</FONT></FONT></P>

   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT lang=EN-US style="FONT-SIZE: 9pt" face=verdana,sans-serif>Board of Directors</FONT></FONT><FONT face=verdana,sans-serif></FONT></P></DIV></TD></TR></TABLE>

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<H1 style="TEXT-ALIGN: center; MARGIN: 5pt 0in 0in 35.85pt"><B><FONT style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 11.55pt" face=Verdana,sans-serif>COMPANHIA DE SANEAMENTO B&#193;SICO DO ESTADO DE S&#195;O PAULO - SABESP</FONT></B></H1>

<P style="TEXT-ALIGN: center; MARGIN: 0in 168.6pt 0pt 168.55pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9.5pt" face=Verdana,sans-serif>Corporate Taxpayer&#8217;s ID </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 168.6pt 0pt 168.55pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9.5pt" face=Verdana,sans-serif>(CNPJ/MF) No. </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 168.6pt 0pt 168.55pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9.5pt" face=Verdana,sans-serif>43.776.517/0001-80 </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 168.6pt 0pt 168.55pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9.5pt" face=Verdana,sans-serif>Company Registry (NIRE) </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 168.6pt 0pt 168.55pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9.5pt" face=Verdana,sans-serif>No. 35.3000.1683-1</FONT></P>

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<H1 style="TEXT-ALIGN: center; MARGIN: 0in 36.9pt 0pt 37.05pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 113%" face=Verdana,sans-serif>EXCERPT OF THE MINUTES OF THE EIGHT-HUNDRED AND SIXTY-FIFTH </FONT></B></H1>

<H1 style="TEXT-ALIGN: center; MARGIN: 0in 36.9pt 0pt 37.05pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 113%" face=Verdana,sans-serif>MEETING OF THE BOARD OF DIRECTORS</FONT></B></H1>

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<P style="TEXT-ALIGN: justify; MARGIN: 0in 5.35pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>On June 21, 2018, at 9 a.m., convened by the Chairman of the Board of Directors, Mario Engler Pinto Junior, ordinarily, as provided for in the head provision and Paragraph Six of Article 13 of the Bylaws, at the meeting room at the headquarter of the Company, located at Rua Costa Carvalho n&#176; 300, S&#227;o Paulo, the undernamed and undersigned members of the Board of Directors of Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo &#8211; SABESP gathered together.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 5.45pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Opening the meeting, the Chairman of the Board, Mario Engler, justified the absence of the Board Member Reinaldo Guerreiro. (...)</FONT></P>

<P style="MARGIN: 5.95pt 0in 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9.5pt" face=Verdana,sans-serif>(...)</FONT></P>

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<P style="TEXT-ALIGN: justify; MARGIN: 0in 5.3pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>After, the Chairman of the Board of Directors moved to the resolution of </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>item 3</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif> of the agenda, &#8220;</FONT><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Election of the members of the Audit Committee, pursuant to the Bylaws</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>&#8221; (</FONT><I><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>time</FONT></I><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>:</FONT><I><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif> 20&#8217;</FONT></I><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>), according to Item XL of Article 14 of the Bylaws, based on the curricula presented, the following were appointed for the position of members of the Audit Committee: </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Ernesto Rubens Gelbcke</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>, Board Member, as financial specialist and Coordinator of the Committee, and </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Lucas Navarro Prado </FONT></B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>and </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Lu&#237;s Eduardo Alves de Assis</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>, Board Members, as Members of the aforementioned Committee. The three appointed: (i) were elected as Independent Board Members at the Ordinary Shareholders&#8217; Meeting of April 27, 2018 and meet the independence criteria of Law 13.303/2016 and the Regulation of Novo Mercado; (ii) have signed a statement that they comply with the independence requirements of the Sarbanes-Oxley Act and the Securities and Exchange Act of 1934, and of Article 31-C of CVM Instruction 308/1999 and amendments; and (iii) meet the minimum requirements established in Paragraph 1 of Article 25 of Law 13.303/2016. The Board Member Ernesto Rubens Gelbcke has proven experience in internationally-accepted accounting matters, analysis, preparation and evaluation of financial statements and knowledge of internal controls and policies for disclosing information to the market, meeting the criteria of Article 26, Paragraph 3 of the Bylaws, of Article 22-V (b) of the Regulation of Novo Mercado and Paragraph 2 of Article 25 of Law 13.303/2016, and the curriculum vitae of Mr. Gelbcke will be held at the headquarters of Sabesp for a minimum term of five (5) years, counted from the last day of its term of office as member of the Audit Committee, pursuant to Paragraph 3 of Article 25 of Law 13.303/2016. After discussing the matter, pursuant to Item XL of Article 14 and Articles 26 and 27 of the Bylaws, the following </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>structure of the Audit Committee was </FONT></B>


<B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>approved by a majority vote, with the abstention of the members of the Board of Directors appointed to join the Audit Committee</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>:</FONT><B><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif> Ernesto Rubens Gelbcke (financial specialist and Coordinator of the Committee), Lucas Navarro Prado (member of the Committee) and Lu&#237;s Eduardo Alves de Assis (member of the Committee).</FONT></B></P></DIV>

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   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT lang=EN-US style="FONT-SIZE: 9pt" face=verdana,sans-serif>Board of Directors</FONT></FONT><FONT face=verdana,sans-serif></FONT></P></DIV></TD></TR></TABLE>

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<P style="TEXT-ALIGN: justify; MARGIN: 0in 5.45pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>The minutes, once approved, will be signed by the Members of the Board of Directors: Mario Engler Pinto Junior, Ernesto Rubens Gelbcke, Francisco Luiz Sibut Gomide, Francisco Vidal Luna, Jer&#244;nimo Antunes, Karla Bertocco Trindade, Lucas Navarro Prado, Lu&#237;s Eduardo Alves de Assis and Rog&#233;rio Ceron de Oliveira.</FONT></P>

<P style="MARGIN: 6pt 3.35pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>This is a free English translation of the original minutes drawn up in the Book of Minutes of the Meetings of the Company&#8217;s Board of Directors.</FONT></P>

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<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.6pt"><FONT lang=PT-BR style="FONT-SIZE: 9.5pt" face=Verdana,sans-serif>S&#227;o Paulo, June 29, 2018.</FONT></P>

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<P style="TEXT-ALIGN: justify; MARGIN: 9pt 0in 0pt 5.5pt"><B><FONT lang=PT-BR style="FONT-SIZE: 9pt; LINE-HEIGHT: 10.95pt" face=Verdana,sans-serif>Mario Engler Pinto Junior&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Marialve de Sousa Martins</FONT></B></P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Chairman of the Board of Directors&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Secretary of the Board of Directors</FONT></P></DIV>

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<H1 style="TEXT-ALIGN: center; MARGIN: 0.05pt 0in 0pt 53.75pt"><B><FONT style="FONT-SIZE: 9pt; LINE-HEIGHT: 10.95pt" face=Verdana,sans-serif>COMPANHIA DE SANEAMENTO B&#193;SICO DO ESTADO DE S&#195;O PAULO - SABESP</FONT></B></H1>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Corporate Taxpayer&#8217;s ID </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>(CNPJ/MF) No. </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>43.776.517/0001-80 </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Company Registry (NIRE)</FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 178.95pt 0pt 179.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>No. 35.3000.1683-1</FONT></P>

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<H1 style="TEXT-ALIGN: center; MARGIN: 0in 54.3pt 0pt 54.7pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 115%" face=Verdana,sans-serif>EXCERPT OF THE MINUTES OF THE EIGHT-HUNDRED AND SIXTY-FIFTH </FONT></B></H1>

<H1 style="TEXT-ALIGN: center; MARGIN: 0in 54.3pt 0pt 54.7pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 115%" face=Verdana,sans-serif>MEETING OF THE BOARD OF DIRECTORS</FONT></B></H1>

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<P style="TEXT-ALIGN: justify; MARGIN: 5pt 5.05pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>On June 21, 2018, at 9 a.m., convened by the Chairman of the Board of Directors, Mario Engler Pinto Junior, ordinarily, as provided for in the head provision and Paragraph Six of Article 13 of the Bylaws, at the meeting room at the headquarter of the Company, located at Rua Costa Carvalho n&#176; 300, S&#227;o Paulo, the undernamed and undersigned members of the Board of Directors of Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo &#8211; SABESP gathered together.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6.05pt 5.1pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 148%" face=Verdana,sans-serif>Opening the meeting, the Chairman of the Board, Mario Engler, justified the absence of the Board Member Reinaldo Guerreiro. (...)</FONT></P>

<P style="MARGIN: 0.15pt 0in 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>(...)</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 5.5pt 5pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>After, the Chairman of the Board moved to </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>item 11</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif> of the agenda, &#8220;</FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Institutional policy for disclosure of material acts and facts and trading of securities issued by Sabesp, according to items a) and b) of Item VII of Article 14 of the Bylaws</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>&#8221; (</FONT><I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>time: 20&#8217;</FONT></I><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>), again granting the word to the Chief Financial Officer and Investor Relations Officer, Rui de Britto &#193;lvares Affonso, and Head of Capital Markets and Investor Relations, Mario Azevedo de Arruda Sampaio, who were accompanied by the Head of Integrated Planning, Dante Ragazzi Pauli, by the Head of Risk and Compliance Management, Michael Breslin, by the Advisor to the Economic and Financial Board and Investor Relations Board, Celina Y. Ozawa, and the Analyst of Capital Markets and Investor Relations Superintendency, Priscila Costa da Silva, who presented the matter based on the Executive Board&#8217;s Resolution 0155/2018, of June 13, 2018, Internal Notice PI 023/2018, of June 07, 2018, the draft of the Institutional Policy PI0022-v.3 and its attachments, and in the power point presentation, documents filed in the electronic folder of the meeting. (...). The matter was discussed and then voted on, pursuant to items (a) and (b) of Item VII of Article 14 of the Bylaws, the </FONT><B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>&#8220;Institutional Policy for the Disclosure of Material Acts and Facts and Trading of Securities issued by Sabesp&#8221; was unanimously approved</FONT></B><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>.</FONT></P>

<P style="MARGIN: 0in 0in 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 10.85pt" face=Verdana,sans-serif>(...)</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 5.5pt 5.15pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>The minutes, once approved, will be signed by the Members of the Board of Directors: Mario Engler Pinto Junior, Ernesto Rubens Gelbcke, Francisco Luiz Sibut Gomide, Francisco Vidal Luna, Jer&#244;nimo Antunes, Karla Bertocco Trindade, Lucas Navarro Prado, Lu&#237;s Eduardo Alves de Assis and Rog&#233;rio Ceron de Oliveira.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6pt 5.25pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 9pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>This is a free English translation of the original minutes drawn up in the Book of Minutes of the Meetings of the Company&#8217;s Board of Directors.</FONT></P>

<P style="MARGIN: 0.1pt 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 13.5pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.6pt"><FONT lang=PT-BR style="FONT-SIZE: 9pt" face=Verdana,sans-serif>S&#227;o Paulo, June 29, 2018.</FONT></P>

<P style="MARGIN: 0in 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 11pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="MARGIN: 0.25pt 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<H1 style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0in 5.5pt"><B><FONT style="FONT-SIZE: 9pt; LINE-HEIGHT: 10.95pt" face=Verdana,sans-serif>Mario Engler Pinto Junior&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Marialve de Sousa Martins</FONT></B></H1>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.5pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif>Chairman of the Board of Directors&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Secretary of the Board of Directors</FONT></P>

<P style="MARGIN: 0.55pt 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 14pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: center; MARGIN: 5pt 0in 0pt 21.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

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<H1 style="MARGIN: 5pt 0in 0in 208.75pt"><FONT style="POSITION: relative"></FONT><FONT lang=EN-US style="FONT-SIZE: 11pt" face=Verdana,sans-serif></FONT>&nbsp;</H1>

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   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT style="FONT-SIZE: 9pt" face=verdana,sans-serif>Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo</FONT></FONT></P>

   <P style="TEXT-ALIGN: right; MARGIN: 0in 5.55pt 0pt 0in" align=right><FONT face=verdana,sans-serif><FONT lang=EN-US style="FONT-SIZE: 9pt" face=verdana,sans-serif>Board of Directors</FONT></FONT><FONT face=verdana,sans-serif></FONT></P></DIV></TD></TR></TABLE>

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<H2 style="TEXT-ALIGN: center; MARGIN: 0in 0in 0in 64.4pt"><B><FONT style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 10.35pt" face=Verdana,sans-serif>COMPANHIA DE SANEAMENTO B&#193;SICO DO ESTADO DE S&#195;O PAULO - SABESP</FONT></B></H2>

<P style="TEXT-ALIGN: center; MARGIN: 0in 182.75pt 0pt 183.2pt" align=center><FONT lang=EN-US style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif>Corporate Taxpayer&#8217;s ID </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 182.75pt 0pt 183.2pt" align=center><FONT lang=EN-US style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif>(CNPJ/MF) No. </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 182.75pt 0pt 183.2pt" align=center><FONT lang=EN-US style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif>43.776.517/0001-80 </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 182.75pt 0pt 183.2pt" align=center><FONT lang=EN-US style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif>Company Registry (NIRE) </FONT></P>

<P style="TEXT-ALIGN: center; MARGIN: 0in 182.75pt 0pt 183.2pt" align=center><FONT lang=EN-US style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif>No. 35.3000.1683-1</FONT></P>

<P style="MARGIN: 0.4pt 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 9.5pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<H2 style="TEXT-ALIGN: center; MARGIN: 0.05pt 65.05pt 0pt 65.35pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 115%" face=Verdana,sans-serif>EXCERPT OF THE MINUTES OF THE EIGHT-HUNDRED AND SIXTY-FIFTH </FONT></B></H2>

<H2 style="TEXT-ALIGN: center; MARGIN: 0.05pt 65.05pt 0pt 65.35pt" align=center><B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 115%" face=Verdana,sans-serif>MEETING OF THE BOARD OF DIRECTORS</FONT></B></H2>

<P style="MARGIN: 0.25pt 0in 0pt"><B><FONT lang=EN-US style="FONT-SIZE: 5.5pt" face=Verdana,sans-serif></FONT></B>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 5.05pt 5pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>On June 21, 2018, at 9 a.m., convened by the Chairman of the Board of Directors, Mario Engler Pinto Junior, ordinarily, as provided for in the head provision and Paragraph Six of Article 13 of the Bylaws, at the meeting room at the headquarter of the Company, located at Rua Costa Carvalho n&#176; 300, S&#227;o Paulo, the undernamed and undersigned members of the Board of Directors of Companhia de Saneamento B&#225;sico do Estado de S&#227;o Paulo &#8211; SABESP gathered together.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 6.05pt 5.3pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Opening the meeting, the Chairman of the Board, Mario Engler, justified the absence of the Board Member Reinaldo Guerreiro. (...)</FONT></P>

<P style="MARGIN: 0in 0in 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 10.3pt" face=Verdana,sans-serif>(...)</FONT></P>

<P style="MARGIN: 0.2pt 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 9pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 5.05pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>After, the Chairman of the Board of Directors granted the word to the Head of Risk and Compliance Management, Michael Bresilin, who was accompanied by the Head of Capital Markets and Investor Relations, Mario Azevedo de Arruda Sampaio, by the Head of Integrated Planning, Dante Ragazzi Pauli, by the Advisor of the Economic and Financial Board and of the Investor Relations Board, Celina Y. Ozawa, and the Management Analyst of Capital Markets and Investor Relations Superintendency, Priscila Costa da Silva, presented </FONT><B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>item 10 </FONT></B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>of the agenda, &#8220;</FONT><B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>Institutional policy for transactions with related parties, according to Item VIII of Article 14 of the Bylaws</FONT></B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>&#8221; (</FONT><I><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>time: 15</FONT></I><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>), based on the Executive Board&#8217;s Resolution 0156/2018, of June 13, 2018, in the Internal Notice PI 022/2018, of June 07, 2018, in the draft of the Institutional Policy PI0032-v.1 and its attachments, and in the power point presentation, documents filed in the electronic folder of the meeting. (...). The matter was discussed and then voted on, according to Item VIII of Article 14 of the Bylaws, the </FONT><B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>&#8220;Institutional Policy for Transactions with Related Parties&#8221; was unanimously approved</FONT></B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>, </FONT><B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>reducing from R$70 million to R$20 million the amount for approval by the Board of Directors, considering that: (i) in case of a transaction with Related Parties under the jurisdiction of approval of the Board of Directors the matter shall be previously evaluated by the Audit Committee, followed by the legal opinion of the compliance area; and (ii) the procedure of transaction with Related Parties must be assessed by the Audit Committee</FONT></B><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>.</FONT></P>

<P style="MARGIN: 6.1pt 0in 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif>(...)</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 5.15pt 5.1pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>The minutes, once approved, will be signed by the Members of the Board of Directors: Mario Engler Pinto Junior, Ernesto Rubens Gelbcke, Francisco Luiz Sibut Gomide, Francisco Vidal Luna, Jer&#244;nimo Antunes, Karla Bertocco Trindade, Lu&#237;s Eduardo Alves de Assis, Lucas Navarro Prado and Rog&#233;rio Ceron de Oliveira.</FONT></P>

<P style="TEXT-ALIGN: justify; MARGIN: 5.95pt 5.3pt 0pt 5.6pt"><FONT lang=EN-US style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 150%" face=Verdana,sans-serif>This is a free English translation of the original minutes drawn up in the Book of Minutes of the Meetings of the Company&#8217;s Board of Directors.</FONT></P>

<P style="MARGIN: 0.25pt 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 12.5pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.6pt"><FONT lang=PT-BR style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif>S&#227;o Paulo, June 29, 2018.</FONT></P>

<P style="MARGIN: 0in 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 10pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="MARGIN: 0in 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 10pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<P style="MARGIN: 0.4pt 0in 0pt"><FONT lang=PT-BR style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<H2 style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0in 5.5pt"><B><FONT style="FONT-SIZE: 8.5pt; LINE-HEIGHT: 10.35pt" face=Verdana,sans-serif>Mario Engler Pinto Junior&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Marialve de Sousa Martins</FONT></B></H2>

<P style="TEXT-ALIGN: justify; MARGIN: 0in 0in 0pt 5.5pt"><FONT lang=EN-US style="FONT-SIZE: 8.5pt" face=Verdana,sans-serif>Chairman of the Board of Directors&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Secretary of the Board of Directors</FONT></P>

<P style="MARGIN: 0.2pt 0in 0pt"><FONT lang=EN-US style="FONT-SIZE: 10pt" face=Verdana,sans-serif></FONT>&nbsp;</P>

<H1 style="TEXT-ALIGN: center; MARGIN: 5pt 0in 0in 21.5pt" align=center><FONT lang=EN-US style="FONT-SIZE: 9pt; FONT-WEIGHT: normal" face=Verdana,sans-serif></FONT>&nbsp;</H1>

<DIV>

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

<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></U></B></FONT>

<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;July 3, 2018</FONT></DIV>

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

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

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   <TD height=16></TD>

   <TD height=16></TD>

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<TR>

   <TD vAlign=top align=left><FONT color=#000000 size=2 face="Times New Roman">By:</FONT></TD>

   <TD vAlign=bottom align=left>/s/&nbsp;&nbsp;<FONT style="FONT-FAMILY: times new roman" size=3>Rui de Britto &#193;lvares Affonso</FONT>&nbsp;&nbsp;&nbsp;&nbsp;

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   <DIV align=left><FONT color=#000000 size=2 face="Times New Roman">Name: Rui de Britto &#193;lvares Affonso </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>

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<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>

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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
