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Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp

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FY2019 Annual Report · Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp
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UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549 

FORM 20-F 

   REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 

1934 

OR 

   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR 

THE FISCAL YEAR ENDED DECEMBER 31, 2019 

   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 

OR 

For the transition period from ________________ to _______________________ 

OR 

    SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 

1934 

Date of event requiring this shell company report__________________________ 

Commission file number 001-31317 

Companhia de Saneamento Básico do Estado de São Paulo–SABESP 
 (Exact name of Registrant as specified in its charter) 

Basic Sanitation Company of the State of São Paulo-SABESP 
 (Translation of the Registrant’s name into English) 

Federative Republic of Brazil 
(Jurisdiction of incorporation or organization) 

Rua Costa Carvalho, 300 
 05429-900 São Paulo, SP, Brazil 
 (Address of principal executive offices) 

Rui de Britto Álvares Affonso 
raffonso@sabesp.com.br 
(+55 11 3388 8247) 
Rua Costa Carvalho, 300 05429-900 São Paulo, SP, Brazil 

Securities registered or to be registered pursuant to Section 12(b) of the Act: 

Title of each class 
Common Shares, without par value 
American Depositary Shares, evidenced by American 
Depositary Receipts, each representing one Common Share 
Shares are not listed for trading, but only in connection with the registration of American Depositary Shares pursuant to the requirements of the New York Stock Exchange. 

Name of each exchange on which 
registered 
New York Stock Exchange* 
New York Stock Exchange 

Trading Symbols(s) 
Not traded 
SBS 

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Securities registered or to be registered pursuant to Section 12(g) of the Act:  None 

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act:  None 

Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by 
the annual report. 

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. 

683,509,869 Shares of Common Stock 

Yes  No  

If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 
15(d) of the Securities Exchange Act of 1934. 

Yes  No  

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange 
Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been 
subject to such filing requirements for the past 90 days. 

Yes  No  

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data 
File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months 
(or for such shorter period that the registrant was required to submit and post such files). 

Yes  No  

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth 
company.  See the definitions of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the 
Exchange Act.  

Large Accelerated Filer   

Non-accelerated Filer   

Accelerated Filer     

Emerging Growth Company     

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant 
has elected not to use the extended transition period for complying with any new or revised financial accounting standards† provided 
pursuant to Section 13(a) of the Exchange Act.  

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing: 

U.S. GAAP  International Financial Reporting Standards as issued by the International Accounting Standards Board  Other  

If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has 
elected to follow 

If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). 

Item 17  Item 18  

Yes  No  

†              The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board 
to its Accounting Standards Codification after April 5, 2012.  

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its 
internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public 
accounting firm that prepared or issued its audit report. 

Yes  No  

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TABLE OF CONTENTS 

PART I .................................................................................................................................................................................................................. 9 

ITEM 1.            IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS ..................................................................... 9 

ITEM 2.            OFFER STATISTICS AND EXPECTED TIMETABLE ....................................................................................................... 9 

ITEM 3.            KEY INFORMATION ............................................................................................................................................................ 9 

ITEM 4.            INFORMATION ON THE COMPANY ............................................................................................................................... 26 

ITEM 4A.     UNRESOLVED STAFF COMMENTS .................................................................................................................................... 72 

ITEM 5.            OPERATING AND FINANCIAL REVIEW AND PROSPECTS ........................................................................................ 72 

ITEM 6.            DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES ......................................................................................... 95 

ITEM 7.            MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS ..................................................................... 104 

ITEM 8.            FINANCIAL INFORMATION ........................................................................................................................................... 112 

ITEM 9.            THE OFFER AND LISTING .............................................................................................................................................. 115 

ITEM 10.         ADDITIONAL INFORMATION ......................................................................................................................................... 118 

ITEM 11.         QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK ..................................................... 130 

ITEM 12.         DESCRIPTION OF SECURITIES OTHER THAN EQUITY SECURITIES ..................................................................... 131 

Par II .................................................................................................................................................................................................................. 134 

ITEM 13.         DEFAULTS, DIVIDEND ARREARAGES AND DELINQUENCIES ............................................................................... 134 

ITEM 14.         MATERIAL MODIFICATIONS TO THE RIGHTS OF SECURITY HOLDERS AND USE OF PROCEEDS ................ 134 

ITEM 15.         CONTROLS AND PROCEDURES ..................................................................................................................................... 134 

ITEM 16.   [Reserved] ................................................................................................................................................................................... 136 

ITEM 16A.      AUDIT COMMITTEE FINANCIAL EXPERT ................................................................................................................... 136 

ITEM 16B.      CODE OF ETHICS ............................................................................................................................................................... 136 

ITEM 16C.      PRINCIPAL ACCOUNTANT FEES AND SERVICES ...................................................................................................... 137 

ITEM 16D.      EXEMPTIONS FROM THE LISTING STANDARDS FOR AUDIT COMMITTEES ...................................................... 137 

ITEM 16E.      PURCHASES OF EQUITY SECURITIES BY ISSUER AND AFFILIATED PURCHASERS ......................................... 137 

ITEM 16F.       CHANGE IN REGISTRANT’S CERTIFYING ACCOUNTANT ...................................................................................... 137 

ITEM 16G.      CORPORATE GOVERNANCE .......................................................................................................................................... 138 

ITEM 16H.      MINE SAFETY DISCLOSURE........................................................................................................................................... 144 

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Part III ................................................................................................................................................................................................................ 144 

ITEM 17.         FINANCIAL STATEMENTS .............................................................................................................................................. 144 

ITEM 18.         FINANCIAL STATEMENTS .............................................................................................................................................. 144 

ITEM 19.         EXHIBITS ............................................................................................................................................................................ 145 

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General 

PRESENTATION OF FINANCIAL AND OTHER INFORMATION 

We maintain our books and records in reais.  We prepare our financial statements in accordance with International Financial Reporting Standards, or 
“IFRS,” as issued by the International Accounting Standards Board, or the “IASB.”  Our audited financial statements as of December 31, 2019 and 2018 and 
for each of the years in the three-year period ended December 31, 2019 are included in this annual report on Form 20-F. 

Certain figures included in this annual report have been subject to rounding adjustments.  Accordingly, figures shown as totals in certain tables may not 

be an arithmetic aggregation of the figures which precede them.  

Other Information 

In this annual report, unless the context otherwise requires, references to “we,” “us,” “our,” “Company,” or “SABESP” refer to Companhia de Saneamento 

Básico do Estado de São Paulo – SABESP. 

In addition, references to: 

•   “ANA” are to Water National Agency (Agência Nacional de Águas); 

•   “ARSESP” are to the São Paulo State Sanitation and Energy Regulatory Agency (Agência Reguladora de Saneamento e Energia do Estado de São 

Paulo); 

•   “ADR” or “ADRs” are to American Depositary Receipt or American Depositary Receipts, respectively; 

•   “ADS” or “ADSs” are to American Depositary Share or American Depositary Shares, respectively; 

•   “BNDES” are to Brazilian National Bank for Economic and Social Development (Banco Nacional de Desenvolvimento Econômico e Social). 

•   “Brazil” are to the Federative Republic of Brazil; 

•   “Central Bank” are to the Central Bank of Brazil;  

•   “Coverage” indicators are to (a) the number of homes that are actually connected to the water network or sewage collection network, plus the number 
of homes for which the water and sewage networks are available for connection but which are not connected to those networks (referred to as “feasible” 
or “connectable” homes), as a portion of (b) the total number of homes within the urbanized service area covered by our contract with the municipality 
(i.e., the “serviceable area”); 

•   “COVID-19” or “Coronavirus” are to the novel coronavirus pandemic; 

•   “CVM” are to the Comissão de Valores Mobiliários, the Brazilian securities and exchange commission;   

•   “FAPESP” are to the Fundação de Amparo à Pesquisa do Estado de São Paulo, the São Paulo State Research Foundation;   

•   “federal government” and “Brazilian government” are to the federal government of the Federative Republic of Brazil and “state government” are to 

the state government of the State of São Paulo; 

•   “IDB” are to the Interamerican Development Bank; 

•   “¥” or “Japanese Yen” are to the official currency of Japan; 

•   “real,” “reais” or “R$” are to the Brazilian real, the official currency of Brazil; 

•   “Regional Systems” are to the area where the regional systems’ executive office operates, comprising 332 municipalities in the interior and coastline 

regions of the state of São Paulo; 

•   “São  Paulo  metropolitan  region,”  with  respect  to  our  operations,  are  to  the  area  where  the  metropolitan  executive  office  operates,  comprising 

40 municipalities, including the city of São Paulo;  

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•   “Service” indicators are to (a) the number of homes that are actually connected to the water network or sewage collection network, as a portion of (b) 

the total number of homes within a given serviceable area; 

•   “Sewage Treatment Coverage” indicators are to the amount of consumer units connected to the sewage treatment system; 

•   “State” are to the State of São Paulo, which is also our controlling shareholder; 

•   “U.S. dollars” or “US$” are to the United States dollar, the official currency of the United States;  

•   “water crisis” are to the drought we experienced from late 2013 and throughout most of 2015.  This drought, the most serious that our service region 

has experienced in the previous 80 years, primarily affected the Cantareira System, our largest water production system; and 

•   “WHO” are to the World Health Organization. 

Information in this annual report related to liters, water and sewage volumes, number of employees, kilometers, water and sewage connections, population 

served, operating productivity, water production, water and sewage lines (in kilometers), water loss index and investment in programs has not been audited. 

Market Information 

We make statements in this annual report about our market share and other information relating to Brazil and the industry in which we operate.  We have 
made these statements on the basis of information from third-party sources and publicly available information that we believe is reliable, such as information 
and reports from the Brazilian Institute of Geography and Statistics (Instituto Brasileiro de Geografia e Estatística), or IBGE, and the State Data Analysis 
System Foundation (Fundação Sistema Estadual de Análise de Dados), or SEADE, among others.  We have no reason to believe that any of this information 
is inaccurate in any material respect. 

References to urban and total population in this annual report are estimated based on research prepared by SEADE entitled “Projections of Population and 
Residences for the Municipalities of the State of São Paulo: 2010-2050” (Projeção da População e dos Domicílios para os Municípios do Estado de São Paulo: 
2010-2050). 

Our Contracts and the Municipalities We Serve  

Throughout this document, we refer to the 372 municipalities we serve and the three municipalities in our wholesale segment (Mauá, Mogi das Cruzes 
and São Caetano do Sul), since our revenue for the fiscal year 2019 is derived from these municipalities.  Most of our contracts with the municipalities we 
serve  are  program  contracts  which  have  a  term  of  30  years.   Additionally,  in  October  2019  we  signed  a  contract  with  the  municipality  of  Tapiratiba  and 
operations commenced in April 2020. 

In December 2018, we entered into an agreement with the municipality of Guarulhos to direct supply water and sewage services to the municipality for 
40 years as part of our retail operations.  However, the municipality of Guarulhos held a PPP contract which entitled part of the sewage services to another 
company.  In September 2019, the company which provided partial sewage services terminated the contract, after which we began providing the entirety of 
sewage services to Guarulhos as part of our retail operations, under an emergency agreement.  The Contract for the Provision of Public Services of Water and 
Sewage we signed on December 12, 2018 was amended on December 4, 2019, and entitled us to the full provision of public sewage services in the municipality 
of Guarulhos. 

Additionally, in August 2019 we also started retail operations (to supply water and sewage services) in the municipality of Santo André, which was served 

before on a wholesale basis. 

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CAUTIONARY STATEMENTS ABOUT FORWARD-LOOKING STATEMENTS  

This annual report includes forward-looking statements, mainly in Items 3 through 5.  We have based these forward-looking statements largely on our 
current expectations and projections about future events and financial trends affecting our business.  These forward-looking statements are subject to risks, 
uncertainties and assumptions, including, among other factors: 

•   general economic, political, demographical, health and other conditions in Brazil and in other countries; 

•   changes in applicable laws and regulations, as well as the enactment of new laws and regulations, including those relating to environmental, tax and 

employment matters in Brazil; 

•   availability of the water supply;  

•   the impact on our business of lower water consumption practices adopted by our customers during the water crisis, which we do not know if they will 
return to their prior standards despite the discontinuation of the measures adopted to serve the São Paulo metropolitan region during the water crisis, 
or if the impact will be compensated by tariffs established by ARSESP; 

•   any measures that we may be required to take to ensure the provision of water to our customers; 

•   our exposure to probable increases in the frequency of extreme weather conditions, including droughts and intensive rain and other climatic events; 

•   fluctuations in inflation, interest rates and exchange rates in Brazil; 

•   the interests of our controlling shareholder; 

•   the potential impacts on our business caused by the approval and conversion of Bill No. 4,162/2019 into law, which is currently under discussion; 

•   our potential corporate reorganization, as approved by State Law No. 16,525 on September 15, 2017, or any other type of reorganization that might be 

approved by the government that may include change in control; 

•   our ability to collect amounts owed to us by our controlling shareholder, states, the federal government and municipalities; 

•   our ability to continue to use certain reservoirs under current terms and conditions;  

•   our capital expenditure program and other liquidity and capital resources requirements; 

•   power shortages, rationing of energy supply or significant changes in energy tariffs; 

•   the effects of the agreement for provision of water and sewage services in the city of São Paulo, which we executed with the State and the city of São 

Paulo considering that ARSESP has limited the pass-through to tariff of values transferred to municipal infrastructure funds to 4%; 

•   the  lack  of  formal  agreements  between  our  company  and  certain  municipalities  to  which  we  provide  water  and  sewage  services,  including  cities 
comprising metropolitan regions, urban conurbations, and the fact that the State and municipal governments share competency regarding these services; 

•   the municipalities’ ability to terminate our existing concession agreements prior to their expiration date and our ability to renew such agreements; 

•   our ability to provide water and sewage services in additional municipalities and to maintain the right to provide the services for which we currently 

have contracts; 

•   the size and growth of our customer base and its consumption habits; 

•   our ability to comply with the requirements regarding water and sewage service levels included in our agreements with municipalities; 

•   our level of debt and limitations on our ability to incur additional debt; 

7 

 
  
   
  
 
•   our ability to access financing with favorable terms in the future;  

•   the costs we incur in complying with environmental laws and any penalties for failure to comply with these laws; 

•   the outcome of our pending or future legal proceedings; 

•   the delay or postponement in investment in our sewage system; 

•   our management’s expectations and estimates relating to our future financial performance; 

•   the regulations issued by ARSESP regarding several aspects of our business, including resetting and adjusting our tariffs;  

•   the impact of widespread health developments, such as COVID-19, and the governmental, regulatory, consumer and other responses thereto and its 
effects on our operating revenues and financial condition as a result of, inter alia, a decrease in water consumption and an increase in defaults in certain 
sectors and an increase in non-payment of water bills; 

•   the possibility to be subject to a regulatory agency, other than ARSESP; and 

•   other risk factors as set forth under “Item 3.D. Risk Factors.” 

The words “believe,” “may,” “estimate,” “continue,” “anticipate,” “plan,” “intend,” “expect” and similar words are intended to identify forward-looking 
statements.  In light of these risks and uncertainties, the forward-looking events and circumstances discussed in this annual report might not occur.  Our actual 
results could differ substantially from those anticipated in our forward-looking statements.  Forward-looking statements speak only as of the date they were 
made, and we do not undertake any obligation to update or revise any forward-looking statements, whether as a result of new information, future events or 
otherwise, unless required by law.  Any such forward-looking statements are not an indication of future performance and involve risks. 

8 

 
  
   
  
 
PART I  

ITEM 1.            IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS 

Not applicable. 

ITEM 2.            OFFER STATISTICS AND EXPECTED TIMETABLE 

Not applicable. 

ITEM 3.            KEY INFORMATION 

A.         Selected Financial Data  

The following selected financial data should be read in conjunction with our audited financial statements (including the notes thereto), “Presentation of 

Financial and Other Information” and “Item 5.  Operating and Financial Review and Prospects.” 

The selected financial data as of December 31, 2019 and 2018 and for the years ended December 31, 2019, 2018 and 2017 have been derived from our 
audited financial statements, presented in accordance with IFRS, and included in this annual report.  The selected financial data as of December 31, 2017, 2016 
and 2015 and for the years ended December 31, 2016 and 2015 have been derived from our audited financial statements, presented in accordance with IFRS, 
which are not included in this annual report. 

We have included information with respect to the dividends and/or interest attributable to shareholders’ equity paid to holders of our common shares since 
January 1, 2015 in reais and in U.S. dollars translated from reais at the commercial market selling rate in effect as of the payment date under the caption 
“Item 8.A.  Financial Statements and Other Financial Information—Dividends and Dividend Policy—Payment of Dividends.”  

2019 
R$ 

17,983.7 
(10,137.7) 
7,846.0 
(803.4) 

(128.1) 
(1,187.9) 
5,711.6 
(1,033.7) 
3,367.5 

4.93 

4.93 

1.17 

1.17 

2018 
R$ 

16,085.1 
(9,086.5) 
6,998.6 
(693.5) 

(166.7) 
(996.9) 
5,176.6 
(1,264.3) 
2,835.1 

4.15 

4.15 

0.99 

0.99 

2017 
R$ 

14,608.2 
(8,779.0) 
5,829.2 
(686.0) 

(82.7) 
(1,099.0) 
3,961.7 
(458.1) 
2,519.3 

3.69 

3.69 

0.19 

0.19 

For the year ended December 31, 
2016 
R$ 

2015 
R$ 

(in millions, except per share and per ADS (1) data 

14,098.2 
(9,013.1) 
5,085.1 
(730.0) 

– 
(934.9) 
3,429.6 
699.4 
2,947.1 

4.31 

4.31 

1.02 

1.02 

11,711.6 
(8,260.8) 
3,450.8 
(598.1) 

– 
45.0 
3,044.0 
(2,456.5) 
536.3 

0.78 

0.78 

0.19 

0.19 

Selected Income Statement 

Data: 

Net operating revenue 
Cost of services 
Gross profit 
Selling expenses 
Allowance for doubtful 

accounts(*) 

Administrative income (expenses) 
Operating profit 
Financial income (expenses), net 
Profit for the year 
Earnings per share – basic and 

diluted 

diluted  

Earnings per ADS – basic and 

Dividends and interest on 

shareholders’ equity per share  

Dividends and interest on 

shareholders’ equity per ADS 

Weighted average number of 

common shares outstanding 

683,509,869  

683,509,869 

683,509,869 

683,509,869 

683,509,869 

(*)       Starting January 1, 2018, we adopted IFRS 9. As a result, in 2018 and 2017 we now recorded our allowance for doubtful accounts in the income statements as a separate item. In 2016 and 
(1)       ADS-American Depositary Share. 

2015, the amounts of allowance for doubtful accounts in the income statements were R$90.5 million and R$2.4 million and were presented as part of our selling expenses. 

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Selected Statement of Financial Position Data 

Property, plant and equipment 
Contract asset (*) 
Intangible assets 
Total assets 
Loans and financing - current 
Long-term loans and financing 
Interest on capital 
Total liabilities 
Equity 
Capital stock 

Selected Statements of Cash Flows Data: 
Net cash generated from operating activities 
Net cash used in investing activities 
Net cash provided by (used in) financing activities  
Purchases of intangible assets and property, plant and 

equipment as presented in our statement of cash flow 

2019 
R$ 

314.4 
7,617.7 
32,325.4 
46,457.8 
2,859.8 
10,384,9 
800.4 
24,822.0 
21,635.8 
15,000.0 

4,197.2 
(3,267.3) 
(1,705.9) 

(3,273.4) 

2018 
R$ 

267.6 
7,407.9 
29,012.5 
43,565.1 
2,103.6 
11,049.2 
673.8 
24,013.4 
19,551.7 
15,000.0 

3,842.9 
(2,189.3) 
(907.5) 

(2,183.2) 

2017 
R$ 

255.1 
– 
33,466.1 
39,546.4 
1,746.8 
10,354.2 
598.6 
22,033.4 
17,513.0 
10,000.0 

3,301.9 
(1,971.4) 
(933.6) 

(1,976.7) 

2016 
R$ 

302.4 
– 
31,246.8 
36,745.0 
1,246.6 
10,717.6 
700.0 
21,325.8 
15,419.2 
10,000.0 

3,003.6 
(2,130.7) 
(625.9) 

(2,135.8) 

2015 
R$ 

325.1 
– 
28,513.6 
33,706.6 
1,526.3 
11,595.3 
127.4 
19,990.0 
13,716.6 
10,000.0 

2,641.4 
(2,459.5) 
(265.7) 

(2,452.1) 

(*)     As of December 31, 2018, with the adoption of IFRS 15 - Revenue from contract with customer, since 1 January 2018, assets related to concessions under construction, registered under the scope of 
IFRIC 12 - Concession Contracts, have been classified as Contract Assets during the construction period and transferred to Intangible Assets only after completion of the works.  For more information 
on this adoption, see Note 4.1 to our 2018 financial statements included in this annual report. 

Operating Data 

Indicator  

Number of water connections (in thousands) 
Number of sewage connections (in thousands) 
Percentage of population with water connections (“service” 

indicator) (in percent) (1) 

Percentage of population with sewer connections (“service” 

Percentage of population covered by water network (“coverage” 

Percentage of population covered by sewage network (“coverage” 

indicator) (in percent) (1) 

indicator) (in percent) (2) 

indicator) (in percent) (2) 

2019 
9,933 
8,326 

94 

84 

98 

2018 
9,053 
7,495 

95 

83 

98 

2017 
8,863 
7,302 

95 

83 

98 

91 

90 

90 

Percentage of consumer units connected to the sewage treatment 
system (“sewage treatment coverage” indicator) (in percent) 
Volume of water billed during period (in millions of cubic meters)  
Water Billed Loss Index during period (average) (in percent)(3) 
Water Metered Loss Index during period (average) (in percent)(4) 
Water loss per connection per day (average)(5) 
Number of employees 
(1)      Is equal to (a) the number of homes that are actually connected to the water network or sewage collection network, as a portion of (b) the total number of homes within the serviceable area. 
(2)      It is equal to (a) the number of homes that are actually connected to the water network or sewage collection network, plus the number of homes for which the water and sewage networks are available 
for connection but which are not connected to those networks (referred to as “feasible” or “connectable” homes), as a portion of (b) the total number of homes within the urbanized service area 
covered by our contract with the municipality (i.e., the “serviceable area”). 

76 
2,107.9 
19.5 
30.1 
293 
14,449 

78 
2,112.7 
18.7 
29.0 
285 
13,945 

75 
2,075.9 
20.1 
30.7 
302 
13,672 

(3)      Includes both physical and non-physical water loss.  Water Billed Loss Index represents the quotient of (i) the difference between (a) the total volume of water produced plus (b) the total volume of 
water  invoiced minus (c) the  volume  of  water excluded  from our calculation of water loss, divided by (ii) the total volume of water produced.  For more information,  see “Item 4.B. Business 
Overview—Description  of  Our  Activities—Water  Operations—Water  Loss.”   We  exclude  the  following  from  our  calculation  of  water  loss: (i) water  discharged  for  periodic  maintenance  of 
water transmission lines and water storage tanks; (ii) water supplied for municipal uses such as firefighting; (iii) water we consume in our facilities; and (iv) estimated water loss related to the supply 
of water to shantytowns (favelas). 

(4)      Includes both physical and non-physical water loss.  The Water Metered Loss Index represents the quotient of (i) the difference between (a) the total volume of water produced minus (b) the total 
volume of water measured minus (c) the volume of water that we exclude from our calculation of water loss, divided by (ii) the total volume of water produced.  For more information, see “Item 4.B. 
Business Overview—Description of Our Activities—Water Operations—Water Loss.”  We exclude the following from our calculation of water loss: (i) water discharged for periodic maintenance 
of water transmission lines and water storage tanks; (ii) water supplied for municipal uses such as firefighting; (iii) water we consume in our facilities; and (iv) estimated water loss related to the 
supply of water to shantytowns (favelas).  

(5)      Measured in liters/connection per day, this amount is calculated by dividing (i) the average annual water loss by (ii) the average number of active water connections multiplied by the number of days 
of  the  year.   This  calculation  method  is  based  on  worldwide  market  practice  within  the  sector.   See  “Item 4.B.  Business  Overview—Description  of  Our  Activities—Water  Operations—Water 
Loss.”   We exclude  the  following from our calculation of water loss: (i) water discharged  for periodic maintenance of water  transmission lines  and  water  storage tanks;  (ii) water supplied  for 
municipal uses such as firefighting; (iii) water we consume in our facilities; and (iv) estimated water loss related to the supply of water to shantytowns (favelas). 

B.      Capitalization and Indebtedness 

Not applicable. 

C.      Reasons for the Offer and Use of Proceeds 

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Not applicable. 

D.      Risk Factors 

Risks Relating to Brazil 

The Brazilian government has exercised, and continues to exercise, significant influence over the Brazilian economy.  This influence, as well as Brazilian 
political and economic conditions, could adversely affect us and the market price of our common shares and ADSs. 

The  Brazilian  government  frequently  intervenes in  the  Brazilian economy and  occasionally  makes  significant  changes  in  policy  and  regulations. The 
Brazilian government’s actions to control inflation and other policies and regulations have often involved, among other measures, changes in interest rates, tax 
policies, price and tariff controls, currency devaluation or appreciation, capital controls and limits on imports.  Our business, financial condition and results of 
operations, as well as the market price of our common shares or ADSs, may be adversely affected by changes in public policy at federal, state and municipal 
levels with respect to public tariffs and exchange controls, as well as other factors, such as: 

•   the regulatory environment related to our business operations and concession agreements; 

•   interest rates and monetary policies; 

•   exchange rates and exchange controls and restrictions on remittances abroad; 

•   currency fluctuations; 

•   changes in labor regulations; 

•   political elections; 

•   inflation; 

•   liquidity of the Brazilian capital and lending markets; 

•   tax and regulatory policies and laws; 

•   economic and social instability;  

•   the Brazilian government’s response to the COVID-19 pandemic and, inter alia, its impacts on water consumption, labor laws and other regulations 
affecting our industry. For further information regarding risks relating to communicable diseases including the novel coronavirus, see “—Risks Relating 
to Our Business— Our financial and operating performance may be adversely affected by epidemics, natural disasters and other catastrophes, such as 
the recent outbreak of COVID-19;” and 

•   other political, foreign policy, social and economic developments in or affecting Brazil. 

Uncertainties in relation to the implementation by the government of changes relating to the monetary and tax policies, the approved pension reform and 
possible development arising from this reform, and other relevant legislation may contribute to economic uncertainty. We cannot predict the measures that the 
Brazilian federal government will take due to mounting macroeconomic pressures or otherwise.  Economic and political instability and uncertainty has led to 
a negative perception of the Brazilian economy and higher volatility in the Brazilian capital markets and the securities of Brazilian issuers, which may adversely 
affect  us.   In  October 2018,  Jair  Bolsonaro  won  the  Brazilian  presidential  election  and  he  took  office  in  January 2019.   We  cannot  predict  the  policies  or 
regulations that the president of Brazil may adopt or change during his term or market reactions to these policies or regulations. 

Ongoing  political  instability  has  adversely  affected  the  Brazilian  economy  and  may  have  an  adverse  effect  on  our  financial  condition  and  results  of 
operations. 

Brazil’s political environment has historically influenced, and continues to influence, the performance of the country’s economy.  Political crises have 
affected and continue to affect the confidence of investors and the general public, which have historically resulted in economic deceleration and heightened 
volatility in the securities issued by Brazilian companies. 

Brazil has experienced amplified economic and political instability, as well as heightened volatility, as a result of various ongoing investigations by the 
Brazilian Federal Prosecutors’ Office (Ministério Público Federal), the Brazilian Federal Police (Polícia Federal), the CVM, and other Brazilian public entities 
who  are  responsible  for  corruption  and  cartel  investigations,  including,  among  others,  the  Cui  Bono,  A  Origem,  Sepsis,  Patmos,  Zelotes  and  Greenfield 
investigations, as well as the largest such investigation, known as Lava Jato.  In addition, certain foreign entities, such as the U.S. Department of Justice, the 
SEC  and  the  Office  of  the  Attorney  General  of  Switzerland  (Bundesanwaltschaft),  have  also  conducted  and  still  conduct  their  own  investigations.   These 
investigations have negatively impacted the Brazilian economy and political environment and have contributed to a decline in market confidence in Brazil.  In 
addition, they may lead to further allegations and charges against Brazilian federal and state government officials and senior management of Brazilian industry. 

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Numerous elected officials, public servants and executives and other personnel of major companies have been subject to investigation, arrest, criminal 
charges and other proceedings. Depending on the outcome of such investigations and the time it takes to conclude them, they may face (as some of them already 
faced) downgrades from credit rating agencies, experience (as some of them already experienced) funding restrictions and have (as some of them already had) 
a  reduction  in  revenues,  among  other  negative  effects.   Such  negative  effects  may  hinder  the  ability  of  those  companies  to  timely  honor  their  financial 
obligations bringing loses to us as a number of them are our suppliers.  The companies involved in the Lava Jato investigations, a number of which are our 
suppliers, may also be (as some of them already have been) prosecuted by investors on the grounds that they were misled by the information released to them, 
including their financial statements.  

There can be no assurance that other federal or state officials or senior management of Brazilian industry will not be charged with corruption-related 
crimes in the Lava Jato or other investigations into corruption.  Additional allegations, trials and convictions may lead to political instability and a decline in 
confidence by consumers and foreign direct investors in the stability and transparency of the Brazilian government and Brazilian companies, and may have a 
material adverse effect on Brazil’s economic growth, on the demand for securities issued by Brazilian companies, and on access to the international financial 
markets by Brazilian companies. 

Mr. Bolsonaro took office as president on January 1, 2019, following a period of political instability marked by the impeachment of President Dilma 
Rousseff and conviction, and subsequent arrest, of President Luis Inácio Lula da Silva.  We cannot predict how Mr. Bolsonaro’s administration may impact 
the overall stability, growth prospects and economic and political health of Brazil.  During his presidential campaign, Mr. Bolsonaro established an agenda of 
privatizations,  economic  liberalization,  and  pension  and  tax  reforms.   However,  there  is  uncertainty  as  to  whether  the  Bolsonaro  administration  will  be 
successful in implementing these reforms.  Mr. Bolsonaro was also generally a polarizing figure during his campaign for presidency, and we cannot predict the 
ways in which a divided electorate may continue to impact his presidency and his ability to implement policies, reforms and manage the COVID-19 crisis, all 
of which could have a negative impact on our business and the market price of our common shares and ADSs. As of the date of this annual report, only the 
pension reform was approved by the Brazilian National Congress. There were expectations that the administrative and tax reform would be passed in 2020, 
however, that is more uncertain now due to the effects of the COVID-19 outbreak. For more information, see “—Risks Relating to Our Business — Our 
financial and operating performance may be adversely affected by epidemics, natural disasters and other catastrophes, such as the recent outbreak of COVID-
19.” 

Further, during the campaign, the current Minister of Economy proposed taxing dividends paid by Brazilian companies and changes in taxation method 
of interest on equity. If this campaign promise were to be enacted, this would increase the tax expenses associated with any dividend, interest on equity or 
distributions made by Brazilian companies, which could impact us or our shareholders and the value of our common shares and ADSs.  Uncertainty regarding 
the implementation by the new government of related changes in monetary, fiscal and pension policies, as well as pertinent legislation, could contribute to 
economic instability.  These uncertainties and new measures could increase the volatility of Brazilian securities markets. Any of the above factors may create 
additional political uncertainty, which could harm the Brazilian economy and, consequently, our business, results of operations and financial condition. 

Inflation and the Brazilian government’s measures to combat inflation may contribute to economic uncertainty in Brazil, adversely affecting us and the 
market price of our common shares or ADSs. 

Brazil has historically experienced high rates of inflation.  Inflation and the Brazilian government’s measures to combat it have had and may in the future 
have significant effects on the Brazilian economy and our business, financial condition and results of our operations. Tight monetary policies with high interest 
rates may restrict Brazil’s growth, the availability of credit and our cost of funding.  Conversely, other Brazilian governmental actions, including lowering 
interest rates, intervention in the foreign exchange market and actions to adjust or fix the value of the real, may trigger increases in inflation.  The Special 
Clearing and Settlement System (Sistema Especial de Liquidação e Custódia), or SELIC, the official overnight interest rate in Brazil, was 4.40%, 6.40% and 
6.90% at the end of 2019, 2018 and 2017, respectively, in line with the target rate set by the Brazilian Committee on Monetary Policy (Comitê de Política 
Monetária, or “COPOM”).  However, the COPOM has frequently adjusted the interest rate in situations of economic uncertainty and to achieve objectives 
under the economic policy of the Brazilian government. For example, in response to the COVID-19 outbreak, the COPOM further reduced the SELIC target 
rate to 3.75%, where it remains as of the date of this annual report. Inflation, along with government measures to combat inflation and public speculation about 
possible future government measures, has had significant negative effects on the Brazilian economy, and contributed to economic uncertainty in Brazil and 
heightened volatility in the Brazilian securities market, which may have an adverse effect on us if such policies are reinstated. 

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The Brazilian annual inflation rates, as measured by the Amplified Consumer Price Index (Índice Nacional de Preços ao Consumidor Amplo), or IPCA, 
were 4.31%, 3.75% and 2.95% during 2019, 2018 and 2017, respectively. If Brazil experiences substantial inflation or deflation in the future, our business, 
financial condition or results of operations may be adversely affected, including our ability to comply with our obligations.  In addition, a substantial increase 
in inflation may weaken investors’ confidence in Brazil, causing a decrease in the market price of our common shares or ADSs.  

Exchange rate instability and developments and the perception of risk in other countries, especially in the United States and in emerging market countries, 
may adversely affect us, our foreign currency denominated debt and the market price of our common shares or ADSs and our ability to service our foreign 
currency denominated obligations. 

Brazil’s currency has been characterized historically by high degrees of volatility and has depreciated periodically in relation to the U.S. dollar and other 
foreign currencies during recent decades.  At different points over this period, the Brazilian government has implemented various economic plans and exchange 
rate policies, including sudden devaluations, periodic mini-devaluations during which the frequency of adjustments has ranged from daily to monthly, floating 
exchange rate systems, exchange controls and dual exchange rate markets. 

The current floating exchange rate system has also contributed to significant fluctuations in the exchange rate between the Brazilian currency and the U.S. 
dollar and other currencies.  As of December 31, 2016, the exchange rate was R$3.26 to U.S.$1.00, representing an appreciation of 16.5% as compared to the 
rate  prevailing as  of  December 31,  2015.   As  of  December  31, 2017,  the exchange  rate  was  R$3.31  to  U.S.$1.00,  representing a  depreciation  of  1.5%  as 
compared to the rate prevailing as of December 31, 2016.  As of December 31, 2018, the exchange rate was R$3.87 to U.S.$1.00, representing a depreciation 
of 17.1% as compared to the rate prevailing as of December 31, 2017.  Further, during 2019, the real was very volatile and depreciated by 4.0% against the 
U.S. dollar by year-end.  This volatility continued in the early months of 2020 and as of April 20, 2020, the commercial selling rate as reported by the Central 
Bank was R$5.2837 per US$1.00. There can be no assurance that the real will not depreciate further against the U.S. dollar. 

Exchange rate fluctuations will affect the U.S. dollar equivalent of the real price of our common shares on the São Paulo Stock Exchange (B3 S.A. – 

Brasil, Bolsa, Balcão, or B3), as well as the U.S. dollar equivalent of any distributions we make in reais with respect to our common shares. 

Depreciation of the real against the U.S. dollar could create inflationary pressures in Brazil and cause increases in interest rates, which could negatively 
affect the growth of the Brazilian economy as a whole and harm our financial condition and results of operations, curtail our access to financial markets and 
prompt government intervention, including recessionary governmental policies.  Depreciation of the real against the U.S. dollar could also lead to decreased 
consumer spending, inflationary pressures and reduced economic growth. 

In the event of a significant devaluation of the real in relation to the U.S. dollar or other currencies, our ability to meet our foreign currency denominated 
obligations could be adversely affected because our tariff revenue and other sources of income are denominated solely in reais.  In addition, because we have 
debt denominated in foreign currencies, any significant devaluation of the real will increase our financial expenses as a result of foreign exchange losses that 
we must record.  We had total foreign currency denominated debt of R$6,358.8 million as of December 31, 2019 and we anticipate that we may incur additional 
amounts of foreign currency denominated debt in the future.  In 2019, our results of operations were negatively affected by the 4.0% depreciation of the real 
against the U.S. dollar, and the depreciation of the real against the Yen by 5.3%, which together led to a R$234.0 million negative impact on our foreign 
exchange result, net.  We do not currently have any derivative instruments in place to protect us against a devaluation of the real in relation to any foreign 
currency.  A devaluation of the real may adversely affect us and the market price of our common shares or ADSs.  For more information, see Note 5.1(a) to 
our 2019 financial statements. 

Further,  the  market  price  of  securities  of  Brazilian  companies  is  affected  to  varying  degrees  by  economic  and  market  conditions  in  other  countries, 
including the United States, China and other Latin American and emerging market countries.  Although economic conditions in these countries may differ 
significantly from economic conditions in Brazil, investors’ reactions to developments in these other countries may have an adverse effect on the market price 
of securities of Brazilian issuers.  Crises in other emerging market countries or economic policies of other countries may diminish investor interest in securities 
of Brazilian issuers, including ours.  This could adversely affect the market price of our common shares or ADSs, and could also make it more difficult for us 
to access the capital markets and finance our operations in the future, on acceptable terms or at all. 

In the past, the adverse development of economic conditions in emerging markets resulted in a significant flow of funds out of Brazil and a decrease in 
the quantity of foreign capital invested in Brazil.  Changes in the prices of securities of public companies, lack of available credit, reductions in spending, 
general slowdown of the global economy, exchange rate instability and inflationary pressure may adversely affect, directly or indirectly, the Brazilian economy 
and securities market.  Global economic downturns and related instability in the international financial system have had, and may continue to have, a negative 
effect on economic growth in Brazil.  Global economic downturns reduce the availability of liquidity and credit to fund the continuation and expansion of 
business operations worldwide. 

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In addition, global financial crises have caused, and in the future may again cause, significant consequences, including in Brazil, such as stock and credit 
market volatility, unavailability of credit, higher interest rates, a general slowdown of the world economy, volatile exchange rates, and inflationary pressure, 
among others, which may, directly or indirectly, materially and adversely affect us and the price of securities issued by Brazilian companies, including our 
common shares and ADSs. 

Risks Relating to Our Control by the State of São Paulo 

We are controlled by the State of São Paulo, whose interests may differ from the interests of non-controlling shareholders, including holders of ADSs.  

As it owns the majority of our common shares, the State is able to control the election of a majority of the members of our board of directors and appoint 
our senior management and with that determine our operating policies and strategy.  As of December 31, 2019, the State owned 50.3% of our outstanding 
common shares.  In addition, pursuant to the State Constitution of São Paulo, the Governor of São Paulo, the legal representative of our controlling shareholder, 
is the competent authority to make these decisions.  Both through its control of our board of directors as well as by enacting State decrees, the State has in the 
past directed our company to engage in business activities and make expenditures that promoted political, economic or social goals, but that did not necessarily 
enhance  business,  financial  condition  or  results  of  operations.  For  example,  recently  the  State  issued  Decree  No.  64,879/2020  in  March,  2020  setting  out 
emergency measures as a result of the coronavirus outbreak, including exempting customers under the “Residential Social” and “Residential Favela” categories 
from paying water and sewage bills for all municipalities we serve. This exemption is valid for 90 days as of April 1, 2020. The State may direct our company 
to act in this manner again in the future.  These decisions by the State may not be in the interests of our non-controlling shareholders, including holders of 
ADSs.   See  “Item 5.A.  Operating  and  Financial  Review  and  Prospects—Certain  Transactions  with  Controlling  Shareholder”  and  “Item  4.B.  Business 
Overview—Tariffs.” 

The State of São Paulo has the power to appoint up to 9 out of the 11 members of our Board of Directors and, through them, influence the choice of a 
majority of the executive officers responsible for our day-to-day management. Consequently, the State is empowered to approve most matters prescribed by 
law.  We cannot guarantee that there will not be further changes to our Board of Directors or Executive Officers and whether such further changes may have a 
material adverse effect on our business, financial condition or results of operations. 

Further, we cannot guarantee that there will not be further changes to our Board of Directors or Executive Officers and whether such further changes may 

have a material adverse effect on our business, financial condition or results of operations, especially during new elections periods. 

Our controlling shareholder is currently discussing proposals for our corporate reorganization. We cannot guarantee that any potential reorganization 

will not have a material adverse effect on our business, financial condition or results of operations. 

In September 2017, the State of São Paulo obtained approval for State Law No. 16,525/2017, which authorizes the State of São Paulo to set up a controlling 
company to hold all of the shares that the State of São Paulo holds in our company.  Once formed, this controlling company will control our company, pursuant 
to the provisions of Art. 116 of Law No. 6,404 of December 15, 1976, as amended, or the Brazilian Corporate Law. State Law No. 16,525/2017 allows other 
minority shareholders, including private companies and state companies, to hold shares of the controlling company, provided that the State of São Paulo holds 
the majority of the common shares of the controlling company. If and once formed, this controlling company may affect future shareholding in and the control 
of our company. Due to elections for state government in the second half of 2018, this operation was suspended, and we are currently awaiting guidance from 
the  State  Privatization  Program’s  Board  (Conselho  Diretor  do  Programa  Estadual  de  Desestatização  -  CDPED),  which  has  authority  over  our  corporate 
reorganization plan, including the formation of the controlling company, or any other type of corporate reorganization, including a change of control. On April 
24, 2019, the CDPED established a working group aimed at discussing alternative corporate structures for us. We cannot assure that any potential corporate 
reorganization, including a change of control, will not have a material adverse effect on our business, financial condition or results of operations.  

The São Paulo State Government, our major shareholder, is awaiting the approval of changes to the basic sanitation legislation to decide if it will implement 
our potential corporate reorganization which may involve a privatization or a capitalization plan. See “—Risks Relating to Our Business—Current regulatory 
uncertainty, especially with regard to implementation and interpretation of the Brazilian Basic Sanitation Law, may have an adverse effect on our business, 
financial condition or results of operations.” 

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The State and some State entities owe us substantial unpaid debts. We cannot assure you as to when or whether the State will pay us. 

Historically,  the  State  and  some  State  entities  have  delayed  payment  of  substantial  amounts  owed  to  us  related  to  water  and  sewage  services. As  of 
December 31, 2019, the State owed us R$103.3 million for water and sewage services.  Additionally, the State also owes us substantial amounts related to 
reimbursements of State-mandated special retirement and pension payments that we make to some of our former employees for which the State is required to 
reimburse us.  

With respect to payment of pensions on behalf of the State, we had a contested credit amount of R$1,195.3 million as of December 31, 2019.  We do not 
record this contested amount as a reimbursement credit for actuarial liability due to the uncertainty of payment by the State. We also had an uncontested credit 
amounting of R$747.6 million which is recorded as related-party receivables. See note 10(a) to our 2019 financial statements. 

In addition, as of December 31, 2019, we had a provision for an actuarial liability in the amount of R$3,046.3 million with respect to future supplemental 

pension payments for which the State does not accept responsibility. 

In addition, certain municipalities and other government entities also owe us payments. See “—Risks Relating to Our Business—We may face difficulties 
in collecting overdue amounts owed to us by municipalities to which we provide water on a wholesale basis and municipal government entities.” We cannot 
assure you when or if the State and such municipalities will pay the contested credit amounts, which are still under discussion, and the remaining overdue 
amounts they owe us.  The amounts owed to us by the State, municipalities and other government entities for water and sewage services and reimbursements 
for pensions paid may increase in the future. 

Our right to withdraw water from the Guarapiranga and Billings reservoirs is being challenged judicially by minority shareholders of EMAE.  

We withdraw water for use in the São Paulo metropolitan region from the Guarapiranga and Billings reservoirs.  Empresa Metropolitana de Águas e 
Energia S.A., or EMAE, a company that is also controlled by the State of São Paulo, has a concession to produce hydroelectric energy using water from the 
same reservoirs.  EMAE commenced various lawsuits against us in the past seeking compensation for the water we withdraw from these reservoirs.  Those 
lawsuits have now been settled by way of an agreement between EMAE and our company.   

However,  on  April  11,  2016,  we  were  also  named  in  a  separate  lawsuit  filed  by  minority  shareholders  of  EMAE  against  the  State  of  São  Paulo,  as 
controlling shareholder of EMAE.  The minority shareholders are seeking an order to require the State to stop us from withdrawing water from the reservoirs 
without paying compensation to EMAE, and to allow EMAE to pump water from the reservoirs for its hydroelectric facility.  The plaintiffs allege that the 
State, in its capacity as controlling shareholder of EMAE, has acted unduly to EMAE’s detriment and in favor of our company.  This lawsuit was dismissed 
and is currently under appeal by the plaintiffs. 

In addition, on August 7, 2017 we were named in a new lawsuit against us, EMAE and the National Electric Energy Agency (Agência Nacional de Energia 
Elétrica, or ANEEL), brought by Alvaro Luiz de Lima de Alvares Otero, another minority shareholder of EMAE, requesting the annulment of ANEEL’s order 
approving the settlement agreement mentioned above, as well as our condemnation for indemnifying EMAE for damages suffered by EMAE. The plaintiff 
alleges that the order is illegal and harmful, jeopardizing the operational viability of the Henry Borden hydroelectric power plant, as well as the energy security 
of the State of São Paulo, the Southeast region of Brazil and Brazil as a whole. The judge dismissed this lawsuit without judgment on the merits, but this 
decision is currently being appealed. 

The settlement agreement between EMAE and us does not necessarily put an end to the separate lawsuits. 

If one of the ongoing lawsuits by minority shareholders of EMAE requires the State to make a different decision regarding water use from what was 
agreed between EMAE and the State of São Paulo, our ability to withdraw water from the Guarapiranga and Billings reservoirs may be compromised.  If we 
were no longer able to withdraw water from these reservoirs, we would have to transport water from locations further away, which would increase our water 
transportation costs and may affect our ability to provide adequate service in the region, which may have an adverse effect on our financial condition and results 
of operations. In addition, we may be ordered to pay any indemnity to EMAE if the agreement is judicially invalidated, which could have material adverse 
effects on our financial condition and operating results. See “Item 7. Major Shareholders and Related Party Transactions.” 

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Risks Relating to Our Business  

Our financial and operating performance may be adversely affected by epidemics, natural disasters and other catastrophes, such as the recent outbreak of 
COVID-19.  

Our financial and operating performance may be adversely affected by pandemics such as COVID-19, as well as other catastrophes and health epidemics.  

In late December 2019 the outbreak of a new contagious disease originated in Wuhan, Hubei province of China, was reported to the WHO. A novel 
coronavirus virus was identified, with cases and fatalities soon confirmed in multiple provinces in China, as well as in several other countries. On March 11, 
2020, the WHO confirmed that its spread and severity had escalated to the point of pandemic. Coronavirus cases have been diagnosed in virtually every country, 
and travel to and from China, most of Europe, the United States and other countries, including Brazil, have been suspended or restricted by certain airlines and 
governments. Further, extended shutdowns of certain businesses and disruptions in financial markets have been reported globally. The final impact on the 
global economy and financial markets is still uncertain, but is expected to be significant. 

On March 22, 2020, the São Paulo State Government decreed a two-week quarantine throughout the State, restricting business activities in order to avoid 
the accelerated spread of COVID-19. On April 6, 2020, this quarantine was extended until April 22, 2020 and on April 17, 2020, this quarantine was extended 
until May 10, 2020. We cannot assure that this quarantine will not be extended again. As a result, our revenues in the commercial and public sectors may suffer 
losses due to reduced demand from those sectors. The impacts on the industrial sector are not yet clear, since certain companies will increase production as a 
response to the pandemic, leading to an increase in water consumption, while other companies will reduce their water consumption as a result of a reduction 
or stoppage in production. Our revenues from the residential sector will also be affected as consumers in the “Residential Social” and “Residential Favela” 
categories will be exempt from the payment of water and sewage bills for all municipalities we serve. This exemption is valid for 90 days as of April 1, 2020. 
However, some of the losses in revenue from the “Residential Social” and “Residential Favela” categories will be off-set by an increase in other residential 
consumption categories as a result of the quarantine measures. For the year ended December 31, 2019, the residential sector represented 82.8% of the volume 
of water billed to our customers, while the commercial sector, the industrial sector, the public sector and the wholesale sector represented 9%, 1.9%, 2.2% and 
4.1%, respectively.   

On April 9, 2020, ARSESP published a tariff readjustment of 2.4924%. Due to the approval of a state of public calamity mentioned above, ARSESP 
postponed this readjustment by 90 days. We cannot assure that ARSESP will adequately indemnify us for the tariff reduction, delay in their readjustment or 
reduction in the volume billed. See “Item 4.B. Business Overview—Tariffs.” 

To  counter  this  pandemic,  we  have  implemented  measures  to  limit  our  employees’  exposure  to  possible  infection,  such  as  a  home  office  policy  for 
administrative staff and employees aged 60 years or above, domestic and international travel restrictions, moving the vaccination calendar ahead of schedule, 
among others. These measures, though implemented to ensure the continuity of our services, may result in a disruption or delay in their provision. 

Further, in order to finance our investments in infrastructure, we rely on third party capital as a complement to our own resources. However, the impact 
of COVID-19 on our ability to raise additional capital is still uncertain. The deterioration of Brazilian and global economic conditions could, among other 
things, make it more difficult or costly for us to obtain financing for our operations or investments or to refinance our debt in the future and decrease the value 
of certain of our investments. Any other political or governmental developments or health concerns in Brazil as a result of this outbreak could result in social, 
economic and labor instability.  

Global supply chains and the timely availability of products have been and will continue to be materially disrupted by quarantines, factory slowdowns or 
shutdowns, border closings and travel restrictions resulting from the COVID-19 pandemic. We provide a critical service to our customers which means that 
we must keep our employees who operate our businesses safe and minimize unnecessary risk of exposure to the virus. This is a rapidly evolving situation that 
could lead to extended disruption of economic activity in our markets. The ultimate impact also depends on factors beyond our knowledge or control, including 
the  duration and  severity  of  this  outbreak as  well  as  third-party actions  taken  to  contain  its  spread  and  mitigate its  public  health  effects.  Accordingly,  we 
currently cannot estimate the potential impact on our financial position, results of operations and cash flows. However, all these uncertainties could have a 
material adverse effect on our results of operations and financial condition. 

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Current regulatory uncertainty, especially with regard to implementation and interpretation of the Brazilian Basic Sanitation Law, may have an adverse 
effect on our business, financial condition or results of operations. 

Our  operations  in  the  state  of  São  Paulo  occur  both  in locations where  the  planning,  monitoring and  tariff  regulation  of  basic  sanitation  services  are 
responsibilities of the municipalities and in locations where such responsibilities are shared between the State and municipalities.  The Basic Sanitation Law 
No. 11,445/2007 went into effect in early 2007, and although Federal Decree No. 7,217/2010 (as modified, among others, by Federal Decree No. 10,203/2020) 
implemented a series of new principles under the Basic Sanitation Law in 2010, the full implementation of a number of its provisions remains subject to 
regulations that the federal government has not yet published. 

In 2016, Law No. 13,312/2016 amended Law No. 11,445/2007 and now includes the obligation to adopt environmental criteria that include, among other 
measures, individual metering of water consumption per habitation unit in condominiums.  However, since this change is still being implemented and shall 
only come into effect in 2021, we are not currently able to predict its impact on our business, financial condition or results of operations.  

The Basic Sanitation Law still requires that the federal government, states and municipalities establish independent regulators who monitor basic sanitation 
services and regulate tariffs. Municipalities may create their own regulatory agencies or partner with regional regulatory agencies, which requires us to comply 
with such agencies. However, we cannot predict whether this will occur and, if so, what impacts these regulations by other agencies will have on our business, 
financial condition or results of operations. In compliance with this law, the state of São Paulo established ARSESP in 2007. Currently, our regional and local 
operations, including tariff regulation, are monitored and regulated by ARSESP, and the remainder of our operations is in the process of negotiating new 
contractual bases.  Regulatory agencies determine tariff increases for our water and sewage services, on which our results of operations and financial condition 
are highly dependent.  As a result, we cannot anticipate all the effects that the Basic Sanitation Law No. 11,445/2007, the Federal Decree No. 7,217/2010 (as 
amended, among others, by Federal Decree No. 10,203/2020) and regulations issued by ARSESP will have on our business, financial condition or results of 
operations, if any. For further information, see “Item 4.B. Business Overview—Government Regulations Applicable to Our Contracts—The Basic Sanitation 
Law” and “Item 4.B. Business Overview—Government Regulations Applicable to Our Contracts—Rules Enacted by ARSESP.” 

The State of São Paulo enacted the State Supplementary Law creating certain metropolitan regions and urban clusters (for further information on the 
specific  regions  created  and  ruled  enacted,  see  “Item 4.B.  Business  Overview—Government  Regulations  Applicable  to  Our  Contracts—Agreements  with 
Municipalities and Metropolitan Regions”).  These areas incorporate independent municipalities that modify the exercise of their constitutional competencies, 
including those related to basic sanitation services, and increase the number of judicial disputes concerning the regulation and oversight of services in areas 
currently served by us and regulated by ARSESP.  We cannot anticipate the result of these judicial disputes and the adverse material effects that may result 
from them, especially if the rules of regulation and monitoring of services issued by municipal agencies come to coexist with those already published by 
ARSESP and implemented into our operational and corporate processes since 2011. 

The debate on changes to current sanitation regulatory framework, under Sanitation Law No. 11,445/2007, began in 2018 with Provisional Measure No. 
844/2018, which expired  in November of that year. That same year, Provisional Measure No. 868/2018 was enacted with similar provisions to Provisional 
Measure No. 844/2018, and expired in June 2019. 

In December 2019 the Chamber of Deputies approved Bill No. 4,162/2019, after amendments that brought it in line with Bill No. 3,261/2019. Bill No. 
4,162/2019 was then sent to the Senate for approval, after which it will return to the Chamber of Deputies for further amendments or final approval.  Currently, 
it is not possible to predict what the final outcome of the legislation and the impact on our operations will be.  For more information on ARSESP regulations, 
see “Item 4.B. Business Overview—Government Regulations Applicable to Our Contracts—Rules Enacted by ARSESP—Consumer Relations in the State of 
São Paulo.” 

Certain terms of our agreement to provide water and sewage services in the city of São Paulo could have a material adverse effect on us.  

The  provision  of  water  and  sewage  services  in  the  city  of  São  Paulo  accounted  for  44.5%  of  our  gross  operating  revenues  from  sanitation  services 

(excluding revenues relating to the construction of concession infrastructure) in the year ended December 31, 2019. 

On June 23, 2010, the State and the city of São Paulo executed an agreement in the form of a convênio with our and ARSESP’s consent, under which they 
agreed to manage the planning and investment for the basic sanitation system of the city of São Paulo on a joint basis.  In application of the convênio, we 
executed a separate contract dated June 23, 2010 with the State and the city of São Paulo, to regulate the provision of these services for the following 30 
years.  Among other principal terms of this separate agreement, we must transfer 7.5% of the gross revenues we derive under the convênio and subtract (i) 
COFINS and PASEP taxes and (ii) unpaid bills of publicly owned properties in the city of São Paulo, to the Municipal Fund for Environmental Sanitation and 
Infrastructure (Fundo Municipal de Saneamento Ambiental e Infraestrutura), established by Municipal Law No. 14,934/2009.  See “Item 7.B. Related Party 
Transactions—Agreement with the State and the city of São Paulo” for further discussion of the principal terms of the convênio and principal terms of the 
separate contract we executed in application of the convênio. 

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In March 2013, ARSESP issued Resolution No. 407/2013 authorizing us to pass through to the service bill the 7.5% transfer to the São Paulo Municipal 
Sanitation and Infrastructure Fund as a legal charge, as defined by municipal legislation.  However, this resolution was suspended, pursuant to requests from 
the governments of both the city and state of São Paulo made in 2013 and 2014. As a result the collection was suspended, postponing the authorization for us 
to transfer the charge to consumers in water and sewage bills. For further information regarding the specific regulations which discussed this matter, please 
refer to “Item 4.B. Business Overview—Tariffs,” especially “Item 4.B. Business Overview—Tariffs—Tariff Readjustment and Revisions.” 

On May 9, 2018, ARSESP announced the final result of the Second Ordinary Tariff Revision. Following this revision cycle, ARSESP is passing-through 
to the tariffs up to 4% of the municipal revenue that is transferred by us to a legally established municipal infrastructure fund. In the current tariff cycle, our 
only contract that provides for this and complies with ARSESP’s requirements is with the municipality of São Paulo and, accordingly, today 4% of the funds 
transferred to the São Paulo Municipal Fund for Environmental Sanitation and Infrastructure are being passed through to our tariffs.  

Prior to May 9, 2018, our tariff had never included any pass-through to tariffs related to the transfer of 7.5% of the gross revenues obtained from providing 

sanitation services in the municipality of São Paulo to the São Paulo Municipal Fund for Environmental Sanitation and Infrastructure. 

The transfer of 4% was subsequently regulated by ARSESP Resolution No. 870/2019 of May 2019, which established the criteria and conditions to permit 
the transfer of 4% of the revenue from service providers through the tariff, excluding COFINS and PASEP taxes, and unpaid bills in respect of publicly owned 
properties. Within the scope of the Second Ordinary Tariff Review, a regulatory limit of 4% of the municipality’s operating revenue was established to pass 
on to the tariffs and, if the concessionaire and the municipality decide to transfer amounts greater than 4% of the revenue, the excess will not be recognized as 
a financial component of tariffs and will be restricted to the municipality. In addition, for recognition as part of the tariff, municipal funds for environmental 
sanitation and infrastructure must be established by the service provider through a legal act, which specifies the allocation of resources. 

From 2010 to December 31, 2019, we have transferred approximately R$3.6 billion to the São Paulo Municipal Fund for Environmental Sanitation and 
Infrastructure.  For  additional  information  on  ARSESP  regulations,  see  “Item 4.B.  Business  Overview—Tariffs”  and  “Item 4.B.  Business  Overview—
Government Regulations Applicable to Our Contracts—Rules Enacted by ARSESP.” 

Considering that ARSESP has limited the pass-through to tariff of values transferred to municipal infrastructure funds to 4%, the mandatory transfer of 
the remaining 3.5% of the gross revenues, subtracting (i) COFINS and PASEP taxes and (ii) unpaid bills of publicly owned properties in the city of São Paulo, 
to the Municipal Fund for Environmental Sanitation and Infrastructure will not be passed through to customers in full and we cannot assure you when and if 
this will happen and may have an adverse effect on our business, financial condition or results of operations. 

Municipalities may terminate our concessions before they expire in certain circumstances.  The indemnification payments we receive in such cases may be 
less than the value of the investments we made, or may be paid over an extended period, adversely affecting our business, financial condition or results of 
operations.  

Municipalities have a right of early termination of our concessions if we fail to comply with our contractual or legal obligations or if the municipality 
determines to do so in an expropriation proceeding (retomada de serviços). The resumption of services must be justified by public interest. In this case, the 
municipalities evaluate that it is no longer in public interest to continue to provide water and sewage services under the terms and conditions of the current 
concession. 

The Basic Sanitation Law provides that on early termination of a concession, the entity that provides sanitation services should carry out a valuation of 
the  assets  that  relate  to  the  services  provided,  in  order  to  calculate  the  unamortized  portion  of  its  investments  for  purposes  of  assessing  any  related 
indemnification amounts  that  would  be  due  to the  relevant  company. The  resulting  indemnification  payment  may  be  less  than  the  remaining  value  of the 
investments the sanitation service provider made.  Nonetheless, the indemnification payments may not be paid voluntarily by the municipality, potentially 
leading to judicial disputes.  In the case of a judicial dispute, there is the risk that the judicial decision will consider the indemnification as undue or set it at a 
lower value than that of our investments.  

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With  regard  to  our  operations  that  lack  contracts  or  have  indefinite  or  overdue  timeframes,  the  Basic  Sanitation  Law  No. 11,445/2007  reduced  the 
maximum time period for payment of indemnifications in such cases to four years.  This provision applies to concession agreements entered into prior to the 
enactment of the Basic Sanitation Law only to the extent that the concession agreement does not contain a contractual indemnification provision, or we have 
not otherwise entered into an agreement with the municipality with regard to such early termination.  These provisions have not yet been tested by the courts 
and  we  are  therefore  unable  to  predict  the  effect  of  the  Basic  Sanitation  Law  on  our  rights  to  indemnification  for  the  early  termination  of  any  particular 
concession.   

We have been, and are currently, party to concession-related proceedings related to indemnification issues regarding the resumption of water supply and 
sewage collection services by certain municipalities. For more information, see Note 19 to our 2019 financial statements included in this annual report. Other 
municipalities  may  seek  to  terminate  their  concession  agreements  before  the  contractual  expiration  date.   If  this  occurs  and  we  do  not  receive  adequate 
indemnification for our investments, or the indemnification is paid over an extended period, this may adversely affect our business, financial condition or 
results of operations. 

It is not possible to predict the impact of the decision by the Brazilian Supreme Court regarding the shared management of basic sanitation services 

in metropolitan areas or the effect that this decision may have on our business, financial condition or results of operations. 

On March 6, 2013, the Brazilian Supreme Court decided a matter related to the shared management of basic sanitation services in the state of Rio de 
Janeiro.  In its decision, the court ruled that the state of Rio de Janeiro must establish a new entity, owned by both the state of Rio de Janeiro and the relevant 
municipalities, to oversee the planning, regulation and auditing of basic sanitation services in its metropolitan region with the non-partisan participation of all 
the  municipalities  located  in  the  metropolitan  region,  creating  a  requirement  that  the  state  and  the  municipalities  must  participate  jointly  in  the  shared 
management of public services. 

In January 2015, the Federal Government issued the Metropolitan Bylaws (Law No. 13,089/2015), amended by Provisional Measure No. 818 of January 
11, 2018, which was subsequently converted into Federal Law No. 13,683/2018, establishing: (i) the general guidelines for the planning, management and 
performance of public interest initiatives in metropolitan regions and in urban clusters instituted by the states; (ii) the general planning standards for integrated 
urban development and other interfederal governance instruments; and (iii) the criteria to receive federal loans related to urban development. In addition, the 
Metropolitan Bylaws foresees mechanisms for integrated management and interfederal governance as well as the sharing of decisions by regional entities. 

Despite the Brazilian Supreme Court’s March 6, 2013 decision and the Metropolitan Bylaws, some municipalities in metropolitan regions and urban 
clusters, including in metropolitan regions where we operate, have been conducting bidding processes for the concession of sanitation services without including 
shared management. We cannot predict the effect of this non- compliance of the shared management requirement on our business, financial condition or results 
of operations.  

For more information on services in metropolitan regions, see “Item 4.B. Business Overview—Government Regulations Applicable to Our Contracts—

Agreements with Municipalities and Metropolitan Regions.” 

Any failure to obtain new financing may adversely affect our ability to continue our capital expenditure program. 

Our capital expenditure program will require resources of approximately R$20.2 billion in the period from 2020 through 2024. In 2019, we recorded 

R$5.1 billion in capital expenditures, of which R$ 2.1 billion are non-cash investments. 

In addition to cash generated by our operations, we have funded and intend to continue funding these capital expenditures with issuances of debt securities 
in the domestic and international capital markets as well as borrowings in Brazilian reais and foreign currencies.  A significant portion of our financing needs 
is obtained through long-term financing at attractive interest rates from Brazilian federal public banks, multilateral agencies and international governmental 
development banks. If the Brazilian government changes its policies regarding public financing or amounts available for water and sewage services, or if we 
fail to obtain long-term financing at attractive interest rates from domestic and international multilateral agencies and development banks in the future, we may 
not be able to meet our obligations or finance our capital expenditure program, which could have a material adverse effect on our business, financial condition 
or results of operations. 

Furthermore, Brazilian public and private financial institutions are legally limited up to a certain percentage of their shareholder’s equity to provide loans 
to public sector entities, including, for example, us.  These limitations could adversely affect our ability to continue our capital expenditure program and, 
consequently, may adversely affect our business, financial condition or results of operations. 

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Our debt includes financial covenants that impose indebtedness limits on us.  Our failure to comply with these covenants could seriously impair our ability 
to finance our capital expenditure program, which could have a material adverse effect on us.  For further information on these covenants, see “Item 5.B. 
Liquidity and Capital Resources—Indebtedness Financing—Financial Covenants.” 

Droughts, such as the 2014 – 2015 water crisis, can have a material impact on our business and on consumption habits and, accordingly, may have a 
material adverse impact on our business, financial condition or results of operations. 

We experience decreases in our water supply from time to time due to droughts. For example, we experienced a severe drought in the metropolitan region 
of São Paulo in 2014 and 2015, which was more intense in the northwest region of the State of São Paulo, resulting in the lowest level of rainfall and water 
inflow ever recorded in the Cantareira System, the largest production system in the metropolitan region of São Paulo, over the previous 80 years of record. 
This drought severely affected the level of water sources that supply the metropolitan region of São Paulo, forcing us to adopt a series of measures from 2014 
to April 2016 to mitigate its impact and maintain the water supply for the then 20.9 million inhabitants served in the metropolitan region of São Paulo. See 
“Item 4.B. Business Overview—The 2014-2015 Water Crisis.” 

With the return of the rainfall to its historical average, the volume of water available to the population of the São Paulo metropolitan region returned to a 
normal  level  and  the  measures  taken  during  the  water  crisis  to  continue  to  service  consumers  were  gradually  discontinued  from  April  2016.   However, 
heightened public awareness of the need to conserve water during the crisis resulted in our customers adopting lower water consumption practices during the 
water crisis and these practices were partially integrated in our consumers’ daily habits.  As a result of this new behavior, despite us having a higher volume of 
water available for treatment, the volume of water billed to our clients did not return to the volume of water billed before the water crisis in 2013, since the 
water crisis had a strong impact on the consumer profile, which will probably not return to its former state before the crisis. This change in consumption practice 
as a result of the 2014-2015 water crisis has had a continued effect on our results of operations since the 2014-2015 crisis.  

There is a risk that there might be further droughts similar or more severe to that of 2014-2015 in the future forcing us to adopt similar or more severe 
measures as those adopted in 2014-2015, which can have a material impact on our business and on consumption habits and, accordingly, may have a material 
adverse impact on our business, financial condition or results of operations. 

Extreme Weather Conditions and Climate Change may have a material adverse impact on our business, financial condition or results of operations. 

Our business is not only affected by droughts but also by other extreme weather conditions, such as torrential rain and other changes in climate patterns.  A 
possible  increase  in  the  frequency  of  extreme  weather  conditions  in  the  future  may  adversely  affect  the  water  available  for  abstraction,  treatment,  and 
supply.  Droughts could adversely affect the water supply systems, resulting in a decrease in the volume of water distributed and billed as well as in the revenue 
derived from water supply services. For further information, see “3.D. Risk Factors —Droughts, such as the 2014 – 2015 water crisis, can have a material 
impact on our business and on consumption habits and, accordingly, may have a material adverse impact on our business, financial condition or results of 
operations.” An increase in heavy rainfall could damage our installations or impact the regular operation of water sources, including abstraction of water from 
our reservoirs due to increased soil erosion, silting, and runoff of pollutants that affect the aquatic ecosystems. A rise in sea level could result in increased 
salinity in the river estuaries where we abstract water, which could affect water treatment in these areas.  Rising sea levels could also cause damage in our 
sewage collection network. Additionally, increases in air temperature could affect demand for water. 

Since we are dependent upon energy supplies to conduct our business, extreme weather events may also reduce water levels in the reservoirs that power 
hydroelectric power plants in Brazil, which may cause energy shortages, may prevent us from providing water and sewage services and may also cause material 
damage to our water and sewage systems when we resume operations. Increased electricity prices may also adversely affect our costs and operations.  For 
further information, see “Item 4.B. Business Overview—Energy Consumption.” 

Climate change may lead to increased frequency of extreme weather events conditions, such as droughts or torrential rains, which may affect our ability 

to deliver our services and require us to strengthen our actions such as: 

•   investing in new technologies; 

•   improvement of water conservation practices and demand management alternatives such as economic mechanisms or educational programs; and  

•   increasing the capacity of our water reservoirs. 

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We cannot predict all of the effects of extreme weather events, therefore making it difficult to predict any necessary investments, as current technology 
and scientific understandings of climate change make it difficult to predict potential expenses and liabilities. If any of these events occur, we may be required 
to make substantial investments or incur substantial costs in their remediation, which may have a material adverse impact on our business, financial condition 
or results of operations.  We also cannot guarantee that we will be able to pass on any of these additional costs and expenditures to our customers.  

New laws and regulations relating to climate change and changes in existing regulation may result in increased liabilities and increased capital 
expenditures, which could have a material adverse effect on us.  

Current federal, state and municipal laws and regulations on climate change establish global goals, which we will have to meet, concerning greenhouse 
gas emissions and this may require us to increase our investments in order to comply with these laws.  Currently, these goals have not yet been established for 
the sanitation sector. However, once they are established and if we increase our capital expenditures for this purpose, we may be required to reduce expenditures 
on other strategic investments.  We have not provisioned any funds for climate change events as current technology and scientific understandings of climate 
change make it difficult to predict potential expenses and liabilities. We may be required to adopt new norms to improve our energy use efficiency and minimize 
the release of greenhouse gases when we renew the environmental licenses for the systems already in operation or when we obtain environmental licenses for 
new enterprises.  We may need to make substantial new expenditures, either to comply with new environmental regulations linked to climate change or to 
prevent or correct the physical effects of extreme weather events, any of which could have a material adverse effect on our results of operations.  For more 
information, see “Item 4.B. Business Overview—Environmental Matters—Climate Change Regulations:  Reduction of Greenhouse Gases (GHG) Emissions” 
and “Item 4.B. Business Overview—Energy Consumption.” 

Compliance with environmental laws and environmental liability could have a material adverse effect on us.  

We  are  subject  to  extensive  Brazilian  federal,  state  and  municipal  laws  and  regulations  relating  to  the  protection  of  human  health  and  the 
environment.   These  laws  and  regulations  set,  among  others,  environmental  licensing  requirements  and  potable  water  standards  and  limit  or  prohibit  the 
discharge or spillage of untreated effluent produced in our operations, particularly raw sewage.  We occasionally suffer accidents such as leakages or breaks in 
pipes that could lead to liability for damages.  We could be subject to various types of criminal, administrative and civil proceedings for non-compliance with 
environmental laws and regulations, including licensing requirements, that could expose us to administrative penalties and criminal sanctions, such as fines, 
closure orders and significant indemnification obligations. These expenses may lead us to reduce expenditure on strategic investments, which may adversely 
affect our business, financial condition or results of operations. 

We are party to various environmental proceedings that could have a material adverse impact on us, including civil processes and investigations relating, 
among others, to the release of untreated sewage into waterways or the disposal of sludge generated by treatment plants.  We are also involved in proceedings 
challenging  the  water  withdrawing  in  the  face  of  the  2014-2015  water  crisis.  Any  unfavorable  judgment  in  relation  to  these  proceedings,  or  any  material 
environmental liabilities, may have a material adverse effect on our business, financial condition or results of operations.  For further information on these 
proceedings,  see  “Item  8.A.  Financial  Statements  and  Other  Financial  Information—Legal  Proceedings.”   For  further  information  on  investments  in 
environmental programs, see “Item 4.A. History and Development of the Company—Main Projects of our Capital Expenditure Program,” “Item 4.B. Business 
Overview—Description of our Activities—Sewage Operations—Sewage Treatment and Disposal,” “Item 4.B Business Overview—Environmental Matters” 
and  “Item  4.B.  Business  Overview—  Environmental  Matters—Environmental  Regulation.”   For  further  information  on  the  Water  Crisis,  see  “Item  4.B. 
Business Overview—The 2014-2015 Water Crisis.” 

Any substantial monetary judgment against us in legal proceedings may have a material adverse effect on us. 

We are currently a party to numerous legal proceedings relating to civil, corporate, environmental, labor and tax claims filed against us. These claims 
involve substantial amounts of money and other remedies. We have established provisions for all amounts in dispute that represent a present obligation as a 
result of a past event and is probable there will be outflow to settle the referred obligation in the view of our legal advisors and due to disputes that are covered 
by laws, administrative decrees, decrees or court rulings that have proven to be unfavorable. As of December 31, 2019, the estimated total claims asserted 
amounted to R$45,070.8 million (net of R$219.7 million in escrow deposits), including contingent liabilities. We have recognized provisions totaling R$1,035.8 
million (net of escrow deposits) as of December 31, 2019. These provisions do not cover all legal proceedings involving monetary claims filed against us and 
it may be insufficient to cover the ultimate resolution of these claims.  Any unfavorable judgment in relation to these proceedings may have a material adverse 
effect on our financial condition.  For more information, see “Item 8.A. Financial Statements and Other Financial Information—Legal Proceedings” and Note 
19 to our 2019 Financial Statements included in this annual report. 

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We are subject to anti-corruption, anti-bribery, anti-money laundering, sanctions and antitrust laws and regulations.  Our violation of any such laws or 
regulations could have a material adverse effect on our reputation, our results of operations and our financial condition. 

We are subject to anti-corruption, anti-bribery, anti-money laundering, sanctions, antitrust and other similar laws and regulations. We are required to 
comply with the applicable laws and regulations of Brazil, and we may become subject to such laws and regulations in other jurisdictions. There can be no 
assurance  that  our  internal  policies  and  procedures  will  be  sufficient  to  prevent  or  detect  any  inappropriate  practices,  fraud  or  violations  of  these  laws  or 
regulations by our employees, officers, executives, partners, agents and service providers, nor that any such persons will not take actions in violation of our 
policies and procedures. Any violations, whether actual or perceived, by us or any of our employees, directors, officers, partners, agents and service providers 
of these laws or regulations or our internal policies or procedures could have a material adverse effect on our reputation, our ability to obtain financing our 
business, financial condition or results of operations. 

Our business is subject to cyberattacks and security and privacy breaches.  

Our business involves the collection, storage, processing and transmission of customers’, suppliers and employees’ personal or sensitive data.  We also 
use key information technology systems for controlling water, sewage and commercial, administrative and financial operations. We may be subject to breaches 
of  the information  technology  systems  we  use  for  these  purposes.  Experienced computer  programmers  and  hackers  may  be  able  to  penetrate  our  network 
security and misappropriate or compromise our confidential information or that of third parties, create system disruptions, or cause shutdowns. Computer 
programmers and hackers also may be able to develop and deploy viruses, worms and other malicious software programs that attack our products or otherwise 
exploit any security vulnerabilities of our products. In addition, sophisticated hardware and operating system software and applications that we produce or 
procure  from  third  parties  may  contain  defects  in  design  or  manufacture,  including  “bugs”  and  other  problems  that  could  unexpectedly  interfere  with  the 
operation of the system.  Following the COVID-19 outbreak, we started to use new communication softwares and systems. However, we currently cannot 
assure that these systems adequately protect data and information to avoid confidentiality breaches or will not affect our capacity to operate. 

The techniques used to obtain unauthorized, improper or illegal access to our systems, our data or our customers’ data, to disable or degrade service, or to 
sabotage systems are constantly evolving, may be difficult to detect quickly, and often are not recognized until launched against a target.  Unauthorized parties 
may attempt to gain access to our systems or facilities through various means, including, among others, hacking into our systems or those of our customers, 
partners or vendors, or attempting to fraudulently induce our employees, customers, partners, vendors or other users of our systems into disclosing user names, 
passwords  or  other  sensitive  information,  which  may  in  turn  be used  to  access  our  information  technology  systems.   Certain  efforts  may  be  supported  by 
significant financial and technological resources, making them even more sophisticated and difficult to detect. 

Our  information  technology  and  infrastructure  may  be  vulnerable  to  cyberattacks  or  security  breaches,  and  third  parties  may  be  able  to  access  our 
customers’, suppliers’ and employees’ personal or proprietary information that are stored on or accessible through those systems.  Our security measures may 
also be breached due to human error, malfeasance, system errors or vulnerabilities, or other irregularities.  Any actual or perceived breach of our security could 
interrupt our operations, result in our systems or services being unavailable, result in improper disclosure of data, materially harm our reputation and brand, 
result  in  significant  legal  and  financial  exposure,  lead  to  loss  of  customer  confidence  in  our  products  and  services,  and  adversely  our  business,  financial 
condition or results of operations.  In addition, any breaches of network or data security at our suppliers (including data center and cloud computing providers) 
could have similar negative effects.  Actual or perceived vulnerabilities or data breaches may lead to claims against us. We cannot guarantee that the protections 
we have in place to protect our operating technology and information technology systems are sufficient to protect against cyberattacks and security and privacy 
breaches. 

Failure by us to comply with the LGPD or any further privacy laws enacted in Brazil could adversely affect our reputation, business, financial condition 
or results of operations. 

We are subject to data privacy laws, such as Law No. 12,965/2014 (the “Brazilian Internet Act”) and the Brazilian General Law for Data Protection (Law 
No. 13,709/2018 or “LGPD”) and their related regulations, including regulations to be enacted by the Brazilian National Data Protection Authority (ANPD). 

The Brazilian Internet Act applies to personal data collected through the Internet, and establishes other principles and rules with respect to the privacy and 
protection  of  the  personal  and  behavioral  data  of  internet  users.  The  Internet  Act  guarantees,  among  others,  the  privacy  of  internet  and  privately  stored 
communications. Any data processing activity is subject to the data subject’s informed, free and express consent. If we fail to comply with the provisions of 
the Internet Act, we may be subject to sanctions and penalties, including damages, which will be assessed based on the nature and degree of our non-compliance, 
among other factors. 

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LPGD is scheduled to become fully effective in August 2020 and will provide a comprehensive regulation for the use of personal data in Brazil. However, 
Bill No. 1,179/2020 sets out, among other legislative measures to address the ongoing coronavirus pandemic, that LGPD will become effective on January 1, 
2021 and that its administrative sanctions will only be applicable as of August 2021. As of the date of this annual report, Bill No. 1,179/2020 was passed in the 
Senate and currently awaits approval by the Chamber of Deputies.  

The LGPD significantly transformed the data protection system in Brazil and is in line with recent European legislation (the General Data Protection 
Regulation – “GDPR”). The LGPD establishes detailed rules for the collection, use, processing and storage of personal data. It will affect all economic sectors, 
including the relationship between customers and financial institutions, employees and employers and other relationships in which personal data is collected, 
both in the digital and physical environment. Further, the ANPD is charged with overall responsibility to: (i) ensure the protection of personal data, in accordance 
with the law; (ii) deliberate, at an administrative level, on a terminative character, upon the interpretation of the LGPD; (iii) supervise the compliance with, and 
assess penalties in the event of data processing performed in violation of, LGPD; (iv) implement simplified mechanisms for recording complaints about the 
processing of personal data in violation of the LGPD; and (v) inform the competent authorities the criminal offenses of which it becomes aware.  Law No. 
13,853 also assigned to the ANPD the exclusive competence to assess penalties provided for by the LGPD. However, other authorities, such as the Federal 
District Prosecutor’s Office and the Secretaria Nacional do Consumidor (National Consumer Secretariat), have competence to examine evidence of violation 
of data protection legislation by companies, as well as to file and to asses applicable penalties. 

Failure  by  us  to  adhere  to  the  LGPD  or  any  further  privacy  laws  or  regulations  enacted  or  approved  in  Brazil  could  adversely  affect  our  reputation, 

business, financial condition or results of operations.  

Industrial accidents, equipment failure, environmental hazards or other natural phenomena may adversely affect our operations, assets and reputation 
and might not be covered by our insurance policies. 

We currently substantially withdraw all of our water supply from surface sources from rivers and reservoirs, with a small portion being withdrawn from 
groundwater.  Our reservoirs are filled by impounding water from rivers and streams, by diverting the flow from nearby rivers, or by a combination of both 
methods. We have 229 dams for water supply purpose. Our operations may be hampered by numerous factors, including unexpected or unusual geological 
and/or geotechnical operating conditions, industrial accidents, floods or  droughts or other environmental occurrences that could result in  structural damages 
and eventually rupture our reservoirs, dams and other facilities or equipment.  

Our water and sewage pipes are susceptible to degradation caused by factors such as age, intense traffic, population density and commercial and industrial 
development, which may provoke accidents in the networks and affect the regular provision of our services, impacting our customers and the environment. In 
particular,  the  increasing  degradation  of  watershed  areas  (Mananciais)  may  affect  the  quantity  and  quality  of  water  available  to  meet  demand  from  our 
customers. See “Item 4.B. Business Overview—Description of Our Activities—Water Operations—Water Distribution” and “Item 4.B. Business Overview—
Description of Our Activities—Sewage Operations—Sewage System.” 

The  occurrence  of  any  of  these  events  could  lead  to  personal  injury  or  death,  adverse  social  impacts  on  the  communities  located  near  our  facilities, 
monetary losses and possible legal liability, other environmental damages, the loss of prime materials and damage to our reputation. See “Item 4.B. Business 
Overview—Water Operations—Water Resources.” 

It is not always possible to obtain insurance against all such risks due to the high premiums associated with insuring against them or for other reasons. 
Moreover,  insurance  against  risks  such  as  water  contamination  or  other  problems  involving  our  water  supply  to  customers  and  for  environmental  related 
liabilities and damages as a result of our activities is not generally available to us or to other companies in our industry on acceptable terms. Our insurance will 
not cover all potential risks associated with our operations and insurance coverage may not continue to be available or may not be adequate to cover any 
resulting liability. Losses from these events may cause us to incur significant costs that could have a material adverse effect on our financial performance and 
results of operations. To the extent that we incur losses not covered by our insurance policies, the funds available for sustaining our current operations and for 
our expansion activities will be reduced.  See also “—Risks Relating to Our Business— Compliance with environmental laws and environmental liability could 
have a material adverse effect on us” and “Item 4.B. Business Overview—Insurance.” 

We may face difficulties in continuing to provide water and sewage services in return for payment in certain municipalities, and we cannot assure you that 
they will continue to purchase services from us on the same terms or at all. 

As of December 31, 2019, we held formal agreements with 325 municipalities (including the city of São Paulo) of the 372 municipalities we serve.  We 
entered into  18 of  these agreements  during  2019. These  325  municipalities  accounted  for  85.0%  of  our total  revenues  (excluding  revenues  relating  to  the 
construction of concession infrastructure) for the year ended December 31, 2019 and 90.1% of our intangible assets and contract assets as of the same date.  As 
of  December 31,  2019,  21  of  our  concessions  had  expired  and  are  currently  being  renegotiated.   These  21  municipalities  accounted  for  2.8%  of  our  total 
revenues (excluding revenues relating to the construction of concession infrastructure) for the year ended December 31, 2019 and 4.1% of our intangible assets 
and contract assets as  of the  same  date.   From January 1,  2020 through  2030,  27  concession  agreements,  accounting  for  3.7% of  our  revenues (excluding 
revenues relating to the construction of concession infrastructure) the year ended December 31, 2019 and 3.0% of our intangible assets and contract assets as 
of the same date, will expire. 

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We  may  not  be  able  to  continue  providing  service  on  current  terms,  or  at  all,  in  the  municipalities  for  which  we  do  not  have  formal 
agreements, including the 21 for which we are renegotiating expired agreements.  In particular, the lack of formal concessions or contractual 
rights in these municipalities means that we may not be able to enforce our right to continue to provide services and we may face difficulties in 
being paid on a timely basis, or at all, for the unamortized assets.  If we are successful in renegotiating the expired agreements, or executing 
formal  agreements  with  the  municipalities  for  which  we  have  never  had  agreements,  those  agreements  may  not  contain  terms  that  are  as 
favorable as those under which we currently operate.  The municipalities for which we do not have formal agreements may choose to start 
providing  water  and  sewage  services  directly  themselves,  or  may  run  public  tenders  to  select  another  provider. They  may  set  eligibility 
requirements for which we do not qualify and, if we do qualify and participate in these tenders, we may not win.  

In  December  2019  the  Chamber  of  Deputies  approved  Bill  No.  4,162/2019,  after  amendments  that  brought  it  in  line  with  Bill  No. 
3,261/2019. Bill No. 4,162/2019 was then sent to the Senate for approval, after which it will return to the Chamber of Deputies for further 
amendments or final approval.  Currently, it is not possible to predict what the final outcome of the legislation and the impact on our operations 
will  be.   Any  of  these  events  could  have  a  material  adverse  effect  on  our  business,  financial  condition  or  results  of  operations. For  more 
information  on  ARSESP  regulations,  see  “Item 4.B.  Business  Overview—Government  Regulations  Applicable  to  Our  Contracts—Rules 
Enacted by ARSESP—Consumer Relations in the State of São Paulo.” 

We may face difficulties in collecting overdue amounts owed to us by municipalities to which we provide water on a wholesale basis and 
municipal government entities. 

As of December 31, 2019, our total trade receivables was R$3,395.0 million. Of this amount, the municipalities of Mogi das Cruzes and 
São Caetano do Sul, to which we provide water on a wholesale basis, owed us R$13.1 million, and certain municipal government entities owed 
us R$749.7 million.  Of the total amount owed by municipalities, R$75.3 million was overdue by between 30 and 360 days and R$601.9 million 
was overdue by over 360 days. 

The Brazilian courts could oblige us to continue to supply water to these municipalities, even when we have not received payments due to 
us.  We  have no way of  ensuring  that negotiations  with these municipalities  or  legal actions  taken  against  the  municipalities  will  result  in 
payments being made. 

In  August  2019,  we  signed  a  new  Protocol  of  Intentions  with  the  municipality  of  Mauá  aiming  to  resolve  commercial  issues  and  the 
municipality’s  outstanding  debt  with  us.  On  January  16,  2020  a  municipal  law  was  sanctioned,  allowing  the  government  of  Mauá  to  sign 
agreements, amendments and any other necessary adjustments with the State of São Paulo, ARSESP and us. As of the date of this annual report 
there has been no progress in negotiations and we cannot guarantee if or when any agreement will be signed. 

For  more  information  on  wholesale  operations,  see  “Item 4.B.  Business  Overview—Description  of  Our  Activities—Wholesale 
Operations.”   In  addition,  certain  entities  associated  with  municipal  governments  for  which  we  provide  services  also  do  not  make  regular 
payments.  We cannot guarantee if or when these entities will make payments on a regular basis or pay the amounts they owe us.  If these 
municipalities  and  related  entities  do  not  pay  the  amounts  they  owe  us,  our  business,  financial  condition  or  results  of  operations  may  be 
adversely affected. 

Risks Relating to Our Common Shares and ADSs 

We may not always be in a position to pay dividends or interest on shareholders’ equity and ADSs. 

Depending  on  our  future  results,  our  shareholders  may  not  receive  dividends  or  interest  on  own  capital  if  we  do  not  generate  a 
profit.  Despite the requirement to distribute a minimum of 25% of the adjusted annual net income to shareholders in accordance with Brazilian 
Corporate Law, our future financial position may not permit us to distribute dividends or pay interest on own capital. 

The  relative  volatility  and  illiquidity  of  the  Brazilian  securities  markets  may  substantially  limit  your  ability  to  sell  our  common  shares 
underlying the ADSs at the price and time you desire. 

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Investing in securities from emerging markets such as Brazil involves greater risk than investing in securities of issuers in major securities markets, and 
these investments are often considered to be more speculative in nature.  The Brazilian securities market is substantially smaller, less liquid, more concentrated 
and can be more volatile than major securities markets.  Accordingly, although you are entitled to withdraw the common shares underlying the ADSs from the 
depositary  at  any  time,  your  ability  to  sell  the  common  shares  underlying  the  ADSs  at  a  price and  time at  which  you  wish to  do  so  may  be  substantially 
limited.  There is also significantly greater concentration in the Brazilian securities market than in major securities markets.  The ten largest companies in terms 
of market capitalization represented approximately 50.1% of the aggregate market capitalization of the B3 as of December 31, 2019. 

Investors who exchange ADSs for common shares may lose their ability to remit foreign currency abroad and obtain Brazilian tax advantages.  

The Brazilian custodian for the common shares underlying our ADSs must obtain a certificate of registration from the Central Bank in order to be entitled 
to remit U.S. dollars abroad for payments of dividends and other distributions relating to our common shares or upon sales of our common shares.  If an ADR 
holder decides to exchange ADSs for the underlying common shares, the holder will be entitled to continue to rely on the custodian’s certificate of registration 
for five business days from the date of exchange.  After that period, the holder may not be able to obtain and remit U.S. dollars abroad upon sale of our common 
shares, or distributions relating to our common shares, unless he or she obtains his or her own certificate of registration or registers the investment under CMN 
Resolution No. 4,373/2014, dated September 29, 2014, which entitles registered foreign investors (the “4,373 Holder”) to buy and sell on a Brazilian stock 
exchange.  If the holder does not obtain a certificate of registration or register under Resolution No. 4,373/2014, the holder will generally be subject to less 
favorable tax treatment on gains with respect to our common shares.   

If a holder attempts to obtain his or her own certificate of registration, the holder may incur expenses or suffer delays in the application process, which 
could delay his or her ability to receive dividends or distributions relating to our common shares or the return of his or her capital in a timely manner.  The 
custodian’s certificate of registration or any foreign capital registration obtained by a holder may be affected by future legislative changes, and additional 
restrictions applicable to the holder, the disposition of the underlying common shares or the repatriation of the proceeds of disposition may be imposed in the 
future. 

A holder of common shares or ADSs may face difficulties in protecting his or her interests as a shareholder because we are a Brazilian mixed capital 
company. 

We are a mixed capital company (sociedade de economia mista) organized under the laws of Brazil, and all of our directors and officers and our controlling 
shareholder reside in Brazil.  All of our assets are located in Brazil.  As a result, it may not be possible for a holder to effect service of process upon us or these 
other persons within the United States or other jurisdictions outside Brazil or to enforce against us or these other persons judgments obtained in the United 
States  or  other  jurisdictions  outside  Brazil.   Because  judgments of  U.S. courts  for  civil  liabilities  based  upon the  U.S. federal  securities laws  may  only  be 
enforced in Brazil if certain requirements are met, a holder may face more difficulty in protecting his or her interests in the case of actions by our directors, 
officers or our controlling shareholder than would shareholders of a corporation incorporated in a state or other jurisdiction of the United States.  In addition, 
under  Brazilian law,  none  of  our  assets  which are  essential to  our  ability to  render  public  services  are  subject to  seizure  or  attachment.   Furthermore,  the 
execution of a judgment against our controlling shareholder may be delayed, since the State may only be able to pay a judgment if it is provided for in its 
budget in a subsequent fiscal year.  None of the public property of our controlling shareholder is available for seizure or attachment, either prior to or after 
judgment.  

Mandatory arbitration provisions in our bylaws may limit the ability of a holder of our ADSs to enforce liability under U.S. securities laws. 

Under our bylaws, any disputes among us, our shareholders and our management with respect to the Novo Mercado rules, the Brazilian Corporate Law 
and  Brazilian  capital  markets  regulations  will  be  resolved  by  arbitration  conducted  pursuant  to  the  B3  Arbitration  Rules  in  the  Market  Arbitration 
Chamber.  Any disputes among shareholders and ADR holders, and any disputes between us and our shareholders and ADR holders, will also be submitted to 
arbitration.  As a result, a court in the United States might require that a claim brought by an ADR holder predicated upon the U.S. securities laws be submitted 
to  arbitration  in  accordance  with  our  bylaws.   In  that  event,  a  purchaser  of  ADSs  would  be  effectively  precluded  from  pursuing  remedies  under  the 
U.S. securities laws in the U.S. courts.  However, a court in the United States could allow claims predicated upon the U.S. securities laws brought by holders 
who purchased ADSs on the NYSE to be submitted to U.S. courts.  

A holder of our common shares and ADSs might be unable to exercise preemptive rights and tag-along rights with respect to the common shares.  

U.S. holders of common shares and ADSs may not be able to exercise the preemptive rights and tag-along rights relating to common shares unless a 
registration statement under the U.S. Securities Act of 1933, as amended, or the Securities Act, is effective with respect to those rights or an exemption from 
the registration requirements of the Securities Act is available.  We are not obligated to file a registration statement with respect to our common shares relating 
to  these  rights,  and  we  cannot  assure  you  that  we  will  file  any  such  registration  statement.   Unless  we  file  a  registration  statement  or  an  exemption  from 
registration is available, an ADR holder may receive only the net proceeds from the sale of his or her preemptive rights and tag-along rights or, if these rights 
cannot be sold, they will lapse and the ADR holder will receive no value for them. 

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Holders of our ADSs do not have the same voting rights as our shareholders.  

Holders of our ADSs do not have the same voting rights as holders of our shares.  Holders of our ADSs are entitled to the contractual rights set forth for 
their benefit under the deposit agreements. ADS holders exercise voting rights by providing instructions to the depositary, as opposed to attending shareholders 
meetings or voting by other means available to shareholders.  In practice, the ability of a holder of ADSs to instruct the depositary as to voting will depend on 
the  timing and procedures  for  providing  instructions  to  the  depositary, either  directly  or  through  the  holder’s  custodian  and clearing  system.   The  deposit 
agreement also provides that if the depositary does not receive any instructions from a holder of ADRs, the ADR holder may be deemed to have given a 
discretionary proxy to a person designated by our company and the underlying shares may be voted by such person.  However, we have chosen not to designate 
any person to exercise these deemed proxy rights with respect to any annual or special general meetings, and ADSs for which no specific voting instructions 
were received by the Depositary were therefore not voted at that meeting.   

If we issue new shares or our shareholders sell shares in the future, the market price of your ADS may be reduced. 

Sales of a substantial number of shares, or the belief that this may occur, could decrease the prevailing market price of our common and preferred shares 
and ADS by diluting the shares’ value. If we issue new shares or our existing shareholders sell shares they hold, the market price of our common and preferred 
shares, and of the ADS, may decrease significantly. Such issuances and sales also might make it more difficult for us to issue shares or ADS in the future at a 
time and a price that we deem appropriate and for you to sell your securities at or above the price you paid for them. Our controlling shareholder, the Brazilian 
Government, may decide to capitalize us for a variety of reasons therefore diluting existing shareholders and ADS holders. 

ITEM 4.            INFORMATION ON THE COMPANY 

A.      History and Development of the Company 

Overview 

Companhia  de  Saneamento  Básico  do  Estado  de  São  Paulo  –  SABESP  is  a  mixed  capital  company  (sociedade  de  economia  mista)  with  limited 
liability.  We were incorporated on September 6, 1973 under the laws of the Federative Republic of Brazil.  We are registered with the Commercial Registry 
of the State of São Paulo (Junta Comercial do Estado de São Paulo) under registration number NIRE 35300016831.  Our principal executive offices are located 
at Rua Costa Carvalho, 300, 05429-900 São Paulo, SP, Brazil.  Our telephone number is +55 11 3388-8000.  Our agent for service of process in the United 
States is CT Corporation System, with offices at 818 West Seventh Street – Team 1, Los Angeles, CA 90017.  We are allowed to operate, in a subsidiary form, 
in  other  Brazilian  locations  and  abroad.   See  “Item 4.B.  Business  Overview—  Government  Regulations  Applicable  to  Our  Contracts—Contracts  for  the 
Provision of Essential Basic Sanitation Services in Brazil.” 

We believe we are one of the largest water and sewage service providers in the world (based on the number of customers, according to the in Depth Water 
Yearbook 2014-2015). We operate water and sewage systems in the state of São Paulo, which includes the city of São Paulo, Brazil’s largest city.  According 
to the IBGE, the state of São Paulo is Brazil’s most populous state and the state with the highest gross domestic product, or GDP, in Brazil.  For the year ended 
December 31, 2019, we generated net revenue of R$17,983.7 million and net income of R$3,367.5 million.  Our total assets amounted to R$46,457.8 million 
and our total shareholders’ equity amounted to R$21,635.8 million as of December 31, 2019.  

As of December 31, 2019, we provided water and sewage services to a broad range of residential, commercial, industrial and governmental customers in 
372 of the 645 municipalities in the state of São Paulo, including the city of São Paulo.  Substantially all of our concessions or program agreements have 
30-year terms.  As of December 31, 2019, we lacked formal agreements for 21 of the municipalities we serve, each of which we are currently in the process of 
renegotiating.  From January 1, 2020 through 2030, 27 further concessions will expire, and we will seek to replace them with program agreements.  In addition 
to the 372 municipalities we served, we also provided water and sewage services to the municipality of Mogi das Cruzes, pursuant to two partial water contracts 
under  which  we  service  only  certain  neighborhoods  in  that  municipality.  See  “Presentation  of  Financial and  Other  Information—Other  Information—Our 
Contracts and the Municipalities We Serve.” 

We also supplied water on a wholesale basis to three municipalities in the São Paulo metropolitan region, two of which also received our sewage treatment 
services.  For the year ended December 31, 2019, the São Paulo metropolitan region (including the municipalities to which we provide water on a wholesale 
basis) accounted for 73.4% of our  operating revenue (excluding revenues relating to the construction of concession infrastructure), while the Regional Systems 
accounted  for  26.6%.  The  municipalities  of  Guarulhos  and  Santo  André  were  both  served  on  a  wholesale  basis  until  December  2018  and  August  2019, 
respectively, after which we started retail operations in these municipalities, which means we now account for them as part of our retail segment. 

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As  of  December 31,  2019,  we  provided  water  services  through  9.9  million  water  connections  to  approximately  27.1 million  people,  representing 
approximately 61% of the total population of the state of São Paulo, and had a water coverage ratio of 98% with respect to all regions. As of that date, we 
provided sewage services through 8.3 million sewage connections to approximately 23.8 million people and had an effective sewage service ratio of 84%.  As 
of December 31, 2019, we operated using 81,324 kilometers of water pipes and water transmission lines and 55,983 kilometers of sewer lines. 

We also provide water and/or sewage services to four other municipalities through special purpose companies.  In addition, we have three partnerships 
with private companies: Aquapolo Ambiental S.A., Attend Ambiental S.A. and Paulista Geradora de Energia S.A.  Aquapolo Ambiental S.A. commenced 
operations in the second half of 2012 and operates the largest water recycling facility in the southern hemisphere. Aquapolo Ambiental S.A. has the capacity 
to supply up to 1,000 liters per second to industries in the Capuava petrochemical cluster of the São Paulo metropolitan region, but is currently only providing 
approximately 650 liters per second as a result of demand. Attend Ambiental S.A. commenced operations in the second half of 2014 to operate a pre-treatment 
plant  for  non-domestic  effluent  in  the  São  Paulo  metropolitan  region.  Paulista  Geradora  de  Energia  S.A.,  which  was  formed  in  2015,  focuses  on  the 
implementation  and  commercial  exploration  of  water  potential  in  small  hydroelectric  power  plants,  located  at  Vertedouro  Cascata  and  the  Guaraú  Water 
Treatment Plant, with a total capacity of 7 MW. Until the date of this annual report, we had not yet started construction. See “Note 11 to the Financial Statements 
-  Investments.”   In  addition,  we provide  consulting  services  regarding the  rational  use  of  water, the  updating  of  institutional  models,  and  commercial and 
operational management in Panama, through a consortium. 

The State of São Paulo, our controlling shareholder, is required by State Law No. 11,454/2003 to own at least 50% plus one of our common shares.  As 
of December 31, 2019, the State owned 50.3% of our outstanding common shares. As a mixed capital company, we are an integral part of the State governmental 
structure. Our strategy and major policy decisions are formulated in conjunction with the State Secretariat for Infrastructure and Environment as part of the 
State’s  overall  strategic  planning. The  majority  of  the  members  of  our  board  of  directors  and  our  board  of  executive  officers  are  nominated  by  the  State 
government. 

In addition, our capital expenditure budget is subject to approval by the State legislature and is approved in conjunction with the budget of the State 
Secretariat for Infrastructure and Environment as a whole.  Our financial statements and accounting records are subject to review by the State Accounts Tribunal 
(Tribunal de Contas), as are all accounts of the State.  

Our results of operations and financial condition are generally affected by (i) our ability to raise tariffs, control costs and improve productivity; (ii) the 
general economic conditions in Brazil and abroad; (iii) climate conditions; and (iv) the impact of pandemics such as COVID-19.  After the water crises, the 
volume of water billed to the São Paulo metropolitan region continued below 2013 levels as many of our customers continue to apply some of the lower water 
consumption practices adopted during water crisis. For further information on the water crisis, see “Item 3.D. Risk Factors—Droughts, such as the 2014 – 2015 
water crisis, can have a material impact on our business and on consumption habits and, accordingly, may have a material adverse impact on our business, 
financial condition or results of operations” and “Item 4.B Business Overview—The 2014-2015 Water Crisis.” 

Our Strengths  

We believe that our strong business position and future prospects derive from the following strengths: 

Well-established business with significant size, scale and know-how to operate in complex urban settings.  We believe we are one of the largest water 
and sewage service providers in the world.  We provide water services directly to approximately 27.1 million people and supply water on a wholesale basis to 
an additional urban population of approximately 1.0  million people. As of December 31, 2019, we had an effective water coverage ratio of 98% in respect of 
all regions in which we operate.  We also provide sewage services directly to approximately 23.8 million people, achieving an effective sewage service ratio 
of 84% in respect of all regions in which we operate as of December 31, 2019.  Our significant size and scale have required us to operate in complex urban 
settings such as shantytowns (favelas) and environments without urban planning, thereby enabling us to develop well-trained personnel, skills for operating in 
adverse conditions that we believe our competitors lack. 

Operations in Brazil’s most populous and wealthy state.  The state of São Paulo, which is located in the most developed and economically active region 
of Brazil, is the most populous state in Brazil, with an estimated total population of 44.5 million as of December 31, 2019.  The city of São Paulo had an 
estimated total population of 11.8 million as of the same date, while the São Paulo metropolitan region had a total population of 21.1 million.  Based on its 
GDP, the state of São Paulo is the wealthiest state and has the largest economy of any state in Brazil.  The GDP of the state of São Paulo was approximately 
R$2.1 trillion representing approximately 32.2% of Brazil’s total GDP, according to the most recent data collected by the IBGE in 2017. The state of São Paulo 
generates more revenue from water and sewage services than any other Brazilian state. 

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Strong Base of Contracted Business.  Between January 1, 2007 and December 31, 2019, we executed agreements with 325 municipalities, including 
agreements with the cities of São Paulo and Guarulhos, respectively the first and second largest municipalities in the State of São Paulo. For the year ended 
December 31, 2019, income from these agreements accounted for 85% of our gross operating revenues from sanitation services (excluding revenues relating 
to the construction of concession infrastructure). 

Access to low-cost and diverse sources of financing.  Our strong cash flow generation from operations and our role as an essential public service provider 
places us in a privileged position in our industry to obtain low cost, long-term financing from Brazilian public banks, and domestic and international multilateral 
agencies and development banks.  We do not depend on a limited number of sources of financing, but instead have access to various funding alternatives in the 
Brazilian and international markets to fund our working capital needs and our capital expenditure programs. 

Strong corporate governance practices.  In 2002, we joined the Novo Mercado segment of the B3, which is the listing segment in Brazil with the highest 
corporate governance requirements.  Additionally, in 2016 Federal Law No. 13,303/16 came into force in Brazil and set new corporate governance standards 
for Brazilian government-owned and mixed capital companies like our company, as well as their subsidiaries.  This law also set new rules that these companies 
must follow in public bidding procedures when contracting with third parties. As a result, we are committed to certain corporate governance standards that are 
not otherwise required by Brazilian Corporate Law, which provides heightened protection to our shareholders and enhances the quality of information we 
disclose to the market. 

High quality operations.  We believe that we adhere to high standards of service and employ the best available technology in the sanitation business to 
control the quality of the water we abstract, process and distribute.  Of our 16 laboratories in total, our central laboratory and 13 of our regional laboratories 
are accredited by the National Institute of Metrology, Quality and Technology, Standardization and Industrial Quality, or INMETRO, and comply with the 
ABNT NBR ISO IEC 17025 standard, thereby assuring the quality and accuracy of our test results.  Moreover, our laboratories and field teams use the latest 
equipment to detect substances controlled by regulations and have highly trained teams to handle contingencies and customer complaints.  We believe our 
technology enhances the efficiency and quality of our operations.  

Our Strategy 

Our mission is to provide water and sewage services, contributing to improvements in quality of life and the environment.  Our goal is to become a global 
reference in the provision of basic sanitation services in a sustainable, competitive and innovative manner, focused on the needs of our clients.  To this end, 
our strategic objectives are based upon the guiding principles of water availability, excellence in the provision of services, sustainable growth, fostering and 
expanding our operating base, innovation and technology, motivation of personnel and expansion of our sewage treatment coverage. 

Secure water availability in the areas where we operate.  Our goal is to secure the availability of water in the areas where we operate, as well as to 
promote a rational and integrated use of water resources, respecting demand and critical levels of water for each region, and allocating resources in the short, 
medium and long run in order to guarantee access to water.  Our goal is to consistently meet the needs of our consumers with our services. Furthermore, 
specifically during 2015 to 2018, we implemented a series of short-term and medium-term initiatives that improved the water security for the Metropolitan 
region of São Paulo.  For more information, see “—Capital Expenditure Program.”  

Ensure the quality and availability of our services in our existing service area through excellence in service provision and improving our operating 
efficiency.  Our goal is to maintain the water coverage ratio, coupled with a high standard of quality and availability of our services, and meet the expected 
growth in our operations.  We also intend to increase our sewage coverage by adding 1.2 million sewage connections by 2024. In addition, we seek to reduce 
both physical and non-physical water loss.  See “—Capital Expenditure Program.”  

We also seek to improve our processes by implementing:  (i) a new management model based on the Management Excellence Model of the National 
Quality Foundation (Modelo de Excelência na Gestão da Fundação Nacional da Qualidade) that seeks to improve the alignment of management processes 
and the dissemination of best practices within the company; (ii) an enterprise resourcing planning system, or “ERP system” (SAP), and a customer relationship 
management system, or “CRM system” (Net@suite), to replace our commercial and management information systems.  The ERP system was implemented in 
April 2017. The first stage of Net@suite was implemented in August 2018 and we expect to complete the implementation of the Net@ suite by mid-2021. 

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Through these projects we intend to increase our speed and productivity in responding to regulatory changes; to strengthen and streamline our financial, 
commercial  and  administrative  structure;  to  provide  a  solid  and  integral  base  of  information  to  support  the  decision-making  process;  and  to  increase  the 
efficiency of our operations while also reducing costs.  

Continue  to  seek  sustainable  growth.   Our  goal  is  to  grow  while  balancing  our  economic  and  financial  results  with  environmental  and  social 
considerations,  to  secure  positive  financial  results  so  as  to  guarantee  investments  for  the  provision  of  services,  as  well  as  to  provide  adequate  and  just 
remuneration  for  our  shareholders.   We  seek  to  act  as  citizens  and  to  promote  the  well-being  of  the  communities  we  operate  in  and  the  protection  of  the 
environment.  We aim to apply our principles of financial growth and sustainability to each business unit, assigning goals and setting clear responsibilities for 
each unit so as to strengthen our financial results.  To achieve this goal, we intend to use our best efforts to reduce operating costs and increase productivity 
and profitability.  We plan to improve the management of our assets, as well as to continue to reduce our total operating expenses by automating some of our 
facilities, streamlining operational processes, implementing integrated planning and further investing in internal technological research and development.  

We also plan to continue our efforts to improve our collection of overdue trade receivables from municipalities to which we provide services, from the 
State and from other governmental entities, including by exploring opportunities to offset these outstanding debts against certain possessory or property rights 
over utilities relating to water and sewage systems.  We intend to continue to fund our working capital needs and estimated capital expenditure programs with 
diversified sources of financing, such as domestic and international development banks and multilateral agencies.  We will continue to seek market opportunities 
for low-cost financing and restructuring of our indebtedness if and when advantageous and appropriate. 

Since  2008,  we  have  expanded  into  activities  that  complement  water  and  sewage  services  in  which  we  may  leverage  our  know-how,  size,  scale  and 

profitability.  These activities include consulting and management of sanitation systems.  

Currently, we provide water and/or sewage services to four other municipalities through special purpose companies and have three partnerships with 

private companies.  See “Item 4.  Information on the Company—History and Development of the Company—Overview.” 

Maintain and expand our operating base.  We intend to maintain and expand our operating base by executing new agreements.  To this end, we are 
actively seeking to develop closer relationships with the municipal governments that we currently serve in order to increase customer loyalty, allowing us to 
renew all or substantially all of our concession agreements as they expire.  We also regularly explore the possibility of executing agreements for the provision 
of water and sewage services in municipalities in the state of São Paulo in which we currently have no operations or to which we currently supply water and 
provide sewage treatment solely on a wholesale basis, which on aggregate represent a total population of approximately 14.7 million.  We evaluate possible 
expansion  opportunities  in  terms  of  proximity  to  our  existing  service  areas  to  maximize  return  on  investment  and  improve  our  financial  performance.   In 
June 2010, we entered into a 30-year agreement with the State and city of São Paulo for the provision of water and sewage services in the city of São Paulo, 
which in the year ended December 31, 2019 accounted for 44.5% of our gross operating revenues from sanitation services (excluding revenues relating to the 
construction of concession infrastructure). Between January 1, 2007 and December 31, 2019, we entered into agreements with 325 municipalities (including 
our services agreement with the city of São Paulo), of which 18 were entered into in 2019.  These 325 municipalities accounted for 85.0% of our total revenues 
(excluding revenues relating to the construction of concession infrastructure) for the year ended December 31, 2019 and 90.1% of our intangible assets and 
contract assets as of the same date.  As of December 31, 2019, 21 of our concessions had expired and are currently being renegotiated.  These 21 municipalities 
accounted for 2.8% of our total revenues (excluding revenues relating to the construction of concession infrastructure) for the year ended December 31, 2019 
and 4.1% of our intangible assets and contract assets as of the same date.  From January 1, 2020 through 2030, 27 concession agreements, accounting for 3.7% 
of our revenues (excluding revenues relating to the construction of concession infrastructure) the year ended December 31, 2019 and 3.0% of our intangible 
assets and contract assets as of the same date, will expire. 

Seek opportunities to adopt and develop innovative technology.  We plan to stimulate the creation, adoption and diffusion of innovative solutions aiming 
to generate value and to improve our provision of basic sanitation services while promoting environmental protection and maintaining our competitiveness and 
profitability.   In  accordance  with  our  bylaws,  our  activities  comprise  water  supply,  sanitary  sewage  services,  urban  rainwater  management  and  drainage 
services,  urban  cleaning  services,  solid  waste  management  services,  and  also  related  activities,  including  the  planning,  operation,  maintenance  and 
commercialization of energy, and the commercialization of services, products, benefits and rights that directly or indirectly arise from our assets, operations 
and activities. We are also authorized to carry out activities through subsidiaries in other Brazilian locations and in other countries.  See Item “5.C. Research 
and Development, Patents and Licenses, Etc.” 

Establish efficient and competitive ways of motivating, retaining and attracting personnel.  We intend to provide our personnel with programs for 
professional  and  personal  development,  growth  opportunities  and  recognition.   These  programs  include  competitive  benefit  packages  and  a  healthy  and 
collaborative work environment.  We seek to raise workplace satisfaction, well-being, engagement and productivity. 

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Expand our sewage treatment coverage.  Our goal is to progress in the implementation of sewage collection and treatment structures in an economically 
and technologically viable way. We had an effective sewage coverage ratio of 91% as of December 31, 2019 and plan to increase this ratio to 95% by 2024 by 
adding over 1.2 million sewage connections and the indicator of consumer units connected to the sewage treatment system from 78% to 85% by 2024.  These 
investments are necessary to restore the quality of the rivers and lakes, providing new sources for water supply.  In addition, there are municipalities in the state 
of São Paulo representing a total population of approximately 14.7 million to which we currently do not provide water or sewage services, or to which we 
currently supply water solely on a wholesale basis.  Our strong presence in the State and experience in providing water and sewage services places us in a 
privileged position to expand our sewage services to these additional municipalities in the state of São Paulo as well as to other Brazilian states and abroad.  For 
more information, see “Item 4.B. Business Overview—Description of our Activities—Sewage Operations” and “Item 4.B. Business Overview—Competition” 
and “Item 4.B. Business Overview—Tariffs.” 

Our strategic objectives also focus on our political and institutional relationships as well as on our commitment to the market to increase shareholder 

value.  

In 2019 we invested R$5.1 billion and between 2020 and 2024 we plan to invest an additional R$20.2 billion to improve and expand our water and sewage 
systems, increase water security, and meet the growing demand for water and sewage services in the state of São Paulo, thereby encouraging these customers 
to continue using our services. 

We believe that our overall strategy will enable us to meet the demand for high quality water and sewage services in the state of São Paulo as well as in 

other Brazilian states and abroad, while creating shareholder value and strengthening our results of operations and our financial condition. 

State of São Paulo 

The state of São Paulo is one of 26 states that, together with the Federal District of Brasília, constitute the Federative Republic of Brazil.  The state of São 
Paulo is located in the southeastern region of the country, which also includes the States of Minas Gerais, Espírito Santo and Rio de Janeiro, and which is, 
according to IBGE, the most developed and economically active region of Brazil.  The state of São Paulo is located on the Atlantic coast of Brazil and is 
bordered by the states of Rio de Janeiro and Minas Gerais to the north, the state of Paraná to the south and the state of Mato Grosso do Sul to the west.    

The  state  of  São  Paulo  occupies  approximately  3.0%  of  Brazil’s  land  mass  and  encompasses  an  area  amounting  to  approximately  96,000 square 
miles.  According to the SEADE, the state of São Paulo had an estimated total population of 44.5 million as of December 31, 2019.  The city of São Paulo, 
capital  of  the  state  of  São  Paulo,  had  an  estimated  total  population  of  11.8 million,  with  a  total  population  of  21.1 million  inhabitants  in  the  São  Paulo 
metropolitan region, as of December 31, 2019.  The São Paulo metropolitan region encompasses 39 municipalities and is the largest metropolitan region in the 
Americas  and  the  fourth  largest  metropolitan  region  in  the  world,  according  to  the  United  Nations’  Data  Booklet  “The  World’s  Cities  in  2018,”  with 
approximately 47.4% of the total population of the state of São Paulo as of December 31, 2019. In, the most recent data collected by the IBGE, the GDP of the 
state of São Paulo was approximately R$2.1 trillion, representing approximately 32.2% of Brazil’s total GDP, and making it the largest economy of any state 
in Brazil based on GDP. According to the IBGE, the state of São Paulo is also the leading Brazilian state in terms of manufacturing and industrial activity, with 
a strong position in car manufacturing, pharmaceuticals, computer manufacturing, steel making and plastics, among other activities, as well as a leading position 
in the banking and financial services industries.  The state of São Paulo is the leading export state in Brazil, according to the Brazilian Ministry of Development, 
Industry and Foreign Trade (Ministério do Desenvolvimento, Indústria e Comércio Exterior), currently Ministry of Economy (Ministério da Economia). 

History  

Until the end of the nineteenth century, water and sewage services in the state of São Paulo were generally provided by private companies.  In 1875, the 
Province of São Paulo granted a concession for the provision of water and sewage services to Cantareira Water and Sewage Company (Companhia Cantareira 
de  Água  e  Esgotos).   In  1893,  the  government  of  the  Province  of  São  Paulo  assumed  responsibility  for  the  provision  of  water  and  sewage  services  from 
Cantareira Water and Sewage Company and formed the Office of Water and Sewers (Repartição de Água e Esgotos), a government agency.  Since that time, 
water and sewage services in the São Paulo metropolitan region have been administered by the State government.  Historically, water and sewage services in 
substantially all other municipalities of the State were administered directly by the municipalities, either by municipal water and sewage departments or through 
autarquias of the municipal government.  Autarquias are relatively autonomous public bodies with separate legal standing, assets and revenues, created by law 
to carry out the administration of public services where the government deems that a decentralized administrative and financial structure would be advantageous. 

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In 1954, in response to dramatic population growth in the São Paulo metropolitan region, the State government created the Department of Water and 
Sewers (Departamento de Águas e Esgotos) as an autarquia of the State.  The Department of Water and Sewers provided water and sewage services to various 
municipalities in the São Paulo metropolitan region. 

A  major  restructuring  of  the  entities  providing  water and  sewage  services  in  the state  of  São  Paulo  occurred in  1968,  with  the creation  of the  Water 
Company of the São Paulo metropolitan Region (Companhia Metropolitana de Água de São Paulo), or the “COMASP,” the purpose of which was to provide 
potable  water  on  a  wholesale  basis  for  public  consumption  in  the  various  municipalities  of  the  São  Paulo  metropolitan  region.   All  assets  relating  to  the 
production of potable water for the São Paulo metropolitan region previously owned by the Department of Water and Sewers were transferred to COMASP.  In 
1970, the State government created the Superintendence of Water and Sewers of the City of São Paulo (Superintendência de Água e Esgoto da Capital), or the 
“SAEC,” to distribute water and collect sewage in the city of São Paulo.  All assets relating to water services previously owned by the Department of Water 
and Sewers were transferred to the SAEC.  Also in 1970, the State created the Basic Sanitation Company of the São Paulo metropolitan Region (Companhia 
Metropolitana de Saneamento de São Paulo), or the SANESP, to provide sewage treatment services for the São Paulo metropolitan region.  All assets relating 
to sewage services previously owned by the Department of Water and Sewers were transferred to the SANESP.  The Department of Water and Sewers was 
subsequently closed. 

On June 29, 1973, pursuant to State Law No. 119/1973, COMASP, SAEC and SANESP merged to form our Company with the purpose of implementing 
the directives of the Brazilian government set forth in the National Water Supply and Sanitation Plan (Plano Nacional de Saneamento).  We were incorporated 
under the laws of Brazil as a sociedade anônima for indefinite duration.  The National Water Supply and Sanitation Plan was a program sponsored by the 
Brazilian government, which financed capital investments in, and assisted in the development of, state-controlled water and sewage companies.  Since our 
formation, other State governmental and State-controlled companies involved in water supply and sewage collection and treatment in the state of São Paulo 
have been merged into our company. The State has always been our controlling shareholder, as required by State Law No. 11,454/2003.  We have therefore 
been integrated into the State governmental structure and our strategies have been formulated in conjunction with the strategies of the São Paulo Secretariat for 
Infrastructure and Environment (Secretaria de Infraestrutura e Meio Ambiente do Estado de São Paulo). Additionally, a majority of the members of our board 
of directors and our management are appointed by the State Government. 

Our capital expenditure budget is subject to approval by the State legislative chamber.  This approval is obtained simultaneously with the approval of the 
budget of the São Paulo Secretariat for Infrastructure and Environment.  We are also subject to supervision from the Court of Audit of the State of São Paulo 
(Tribunal de Contas do Estado de São Paulo), with regard to our accounting, financial and budgetary activities and our operating assets.   

In 1994, we were registered with the CVM as a publicly-held company and are therefore subject to the CVM’s rules, including those relating to the 

periodic disclosure of extraordinary facts or relevant events.  Our common shares have been listed on the B3 under the ticker “SBSP3” since June 4, 1997. 

In 2002, we joined the Novo Mercado segment of the B3, which is the listing segment in Brazil with the highest corporate governance requirements.  In 
the same year, we registered our common shares with the Securities and Exchange Commission, or SEC, and started trading our shares in the form of ADR – 
level III on the New York Stock Exchange, or NYSE, under the ticker “SBS.” 

In 2004, the State of São Paulo carried out a secondary offer of common shares of our company in the Brazilian and international markets. 

State Law No. 12,292/2006 amended State Law No. 119/1973, which created our company, and now authorizes us to provide water and sewage services 
outside of the state of São Paulo, both to other states of Brazil and to other countries.  This law also authorizes us to own interests in other public or private-public 
companies and Brazilian or international consortia.  In addition, this law permits us to incorporate subsidiaries and enter into a partnership with or acquire 
interests in a private company with a corporate purpose related to the sanitation business. 

In December 2007, State Supplementary Law No. 1,025/2007, which provided for the creation of regulatory agencies for the supervision of water and 

sewage services, created ARSESP, the regulatory agency that regulates and supervises the services we provide. 

In September 2017, the State of São Paulo obtained approval for State Law No. 16,525/2017, which authorizes the State of São Paulo to set up a controlling 
company to hold all of the shares that the State of São Paulo holds in our company. Once formed, this controlling company will control our company. However, 
due  to  elections  for  state  government  in  the  second  half  of  2018,  this  operation  was  suspended,  and  we  are  currently  awaiting  guidance  from  the  State 
Privatization Program’s Board (Conselho Diretor do Programa Estadual de Desestatização - CDPED). On April 24, 2019, CDPED established a working 
group to evaluate alternatives for our corporate restructuring. For further information, see “Risk Factors—Our controlling shareholder is currently discussing 
proposals for our corporate reorganization. We cannot guarantee that any potential reorganization will not have a material adverse effect on our business, 
financial condition or results of operations.” 

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As of December 31, 2019, we provided water and sewage services directly to a large number of residential, commercial and industrial private consumers, 
as well as to a variety of public entities, in 372 of the 645 municipalities in the State, including in the city of São Paulo. We also supplied water on a wholesale 
basis to three municipalities in the São Paulo metropolitan region. According to the in Depth Water Yearbook 2014-2015, we are one of the largest water and 
sewage service providers in the world (based on the number of customers). 

Corporate Organization 

We currently have six management divisions, each of which is supervised by one of our executive officers. 

Our board of directors allocates responsibilities to our executive officers following an initial proposal made by our Chief Executive Officer, in accordance 
with  our  bylaws.   The  Chief  Executive  Officer  is  responsible  for  coordinating  all  management  divisions  in  accordance  with  the  policies  and  directives 
established  by  our  shareholders’  meeting,  our  board  of  directors  and  board  of  executive  officers,  including  the  coordination, evaluation  and  control  of all 
functions  related  to the  Chief  Executive  Officer’s  office  and  staff,  integrated  planning,  business management and  corporate  organization,  communication, 
ombudsman, regulatory affairs, compliance, risk management, audit and quality.  

The Chief Executive Officer represents our company before third parties and certain powers can be granted to attorneys-in-fact.  The executive officers 

described below report to the Chief Executive Officer: 

•   the Corporate Management Officer, who is responsible for marketing (commercial processes), human resources and social responsibility, legal affairs, 

information technology, asset management, supplies and contracts;  

•   the  Chief  Financial  Officer  and  Investor  Relations  Officer,  who  is  responsible  for  financial  planning,  collection  of  revenues,  allocating  financial 
resources  to  divisions  of  our  company,  conducting  capital  markets  and  other  debt  incurrence  transactions  and  managing  debt  levels,  controller, 
accounting, costs and tariffs, corporate governance and investor relations; 

•   the  Technology,  Enterprises  and  Environment  Officer  is  responsible  for  environmental  management,  technological  and  operational  development, 
quality control of water and sewage, the development, coordination and execution of special investment programs, projects, research innovation and 
new business ventures; and  

•   the Chief Operating Officer for the São Paulo metropolitan region Division and the Chief Operating Officer for the Regional Systems Division, who 
are responsible for managing the operation, maintenance, execution of works and services for water and sewage supply systems (including for the 
services  that  we  provide  on  a  wholesale  basis),  sales  and  call  center  services,  and  have  overall  responsibility  for  the  financial  and  operational 
performance  of  their  divisions.  The  Chief  Operating  Officers  are  also  responsible  for  sanitation  advisory  services  to  independent  municipalities, 
negotiating contracts for water supply and sewage treatment services and for mediation and negotiation with communities and local governments, 
aimed at aligning our interests with the interests of our clients. 

Capital Expenditure Program  

Our capital expenditure program is designed to improve and expand our water and sewage system and to increase and protect our water sources in order 
to sustain water security, meet the growing demand for water and sewage services in the state of São Paulo and improve the overall environmental impact of 
our activities.  Our capital expenditure program has four specific goals with respect to the municipalities we serve: 

                (I)         to continue to increase water security and meet increased demand for treated water; 

              (II)         to expand the percentage of households connected to our sewage system;  

            (III)         to increase the treatment of sewage collected; and 

            (IV)         to increase operating efficiency and reduce water loss.  

We have budgeted investments in the total amount of R$20.2 billion from 2020 through 2024. We invested R$5.1 billion, R$4.2 billion and R$3.4 billion 

in 2019, 2018 and 2017, respectively.  

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The following table sets forth our planned capital expenditures for water and sewage infrastructure for the years indicated: 

Water 
Sewage Collection 
Sewage Treatment 
Total   

2020 

  1,677  
  1,526  
578  
  3,781  

2021 

  1,640  
  1,873  
508  
4,021  

2022 
(in millions of reais) 
  1,505  
  2,022  
593  
4,120  

Planned Capital Expenditures 
Total 
2024 

2023 

1,586  
1,999  
  530  
  4,115  

  1,693  
  1,870  
615  
  4,178  

8,101  
9,290  
2,824  
  20,215  

Our capital expenditure program from 2020 through 2024 will continue to focus on achieving our targets by making regular investments to maintain and 

expand our infrastructure and to reduce water losses in the 372 municipalities we served as of December 31, 2019. 

Main Projects of Our Capital Expenditure Program  

The following is a description of the main projects in our capital expenditure program. 

Investments in Water – We have a series of ongoing and scheduled projects involving water production and distribution.  For the period from 2020 

through 2024, we plan to spend R$8.1 billion in water-related investments. The main programs are: 

Metropolitan Water Program  

Demand for our water services has grown steadily over the years in the São Paulo metropolitan region and has at times exceeded the capacity of our water 
systems. On  account  of  the  high  demand,  prior  to  September 1998,  a  portion  of  our  customers  in  this  region  received  water  only  on  alternate days  of  the 
week. We refer to this as “water rotation.”  Further, the metropolitan region lacks water resources, which requires us to obtain water from increasingly distant 
sources.  In order to address this situation, we implemented the Metropolitan Water Program (Programa Metropolitano de Água) to improve regular water 
supply to the entire São Paulo metropolitan region. This program terminated in 2000 and the water rotation measure was eliminated, but we have nevertheless 
maintained our investment plans for the region. In 2019, we invested approximately R$185.1 million in the Metropolitan Water Program.  

Since 2000, the Metropolitan Water Program has increased the production capacity by 13.1 m³/s, 5 m³/s of which can be attributed to the Public Private 
Partnership, or “PPP,” conducted in the Alto do Tietê concluded in 2011, 2.1 m³/s of which can be attributed to increased production in the Guarapiranga 
System, concluded in 2015, and 6 m³/s due to the implementation of the São Lourenço water supply system, or PPP São Lourenço, which was concluded in 
2018 and directly benefits 1.5 million residents of the western and southwestern regions of the São Paulo metropolitan region. 

With regard to PPP São Lourenço, as of December 31, 2019, the estimated amount of the PPP contract was R$6.0 billion (including R$2.2 billion in 
construction and maintenance and operation of the system). After monetary adjustment, the contract amounts to approximately R$7.8 billion and has a 25-year 
term, four years of which was dedicated to the construction, while the other 21 years will be dedicated to service delivery. These services include the operation 
and maintenance of the sludge treatment system of the water treatment plant and disposal of the waste thus generated; electromechanic and civil maintenance 
of the untreated water pumping stations, of the water treatment plant and the untreated water pipeline; preservation and cleaning, surveillance and property 
security. The system indirectly benefits the entire São Paulo metropolitan region as it is connected to the metropolitan system, which increases the volume of 
available water.  

Additionally, in March 2018 we concluded the interconnection of Jaguari (part of the Paraíba do Sul Basin) and Atibainha reservoirs (part of the PCJ 
River Basin, Cantareira System), which is also strategic to guarantee secure access to water for the metropolitan region of São Paulo. Through this project, we 
are able to transfer 5.13 m³/s (annual average) to 8.5 m³/s (maximum) of water from Jaguari to Atibainha, one of the reservoirs of Cantareira System.  Since 
May 2018, the transfer of water also works in the opposite direction, from the Atibainha reservoir to the Jaguari reservoir, allowing us to reverse up to 12.2 
m3/s and optimize the reservation capacity of both reservoirs, while benefiting the population of the Paraíba Valley.  

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Reversal of the Itapanhaú River 

The reversal of the Itapanhaú River to the Birita-Mirim River, part of the Alto Tietê system is expected to have the capacity to pump an average of 2 m3/s 
(maximum  of  2.5  m3/s)  of  water  to  Biritiba-Mirim  reservoir,  part  of  the  Alto  Tietê  system.  The  project  aims  to  improve  water  security  in  the  São  Paulo 
metropolitan region and is expected to directly benefit approximately 4.5 million residents that receive water from the Alto Tietê system as well as indirectly 
benefit 21.1 million people in the greater São Paulo region.  The project is pending environmental licenses and is expected to begin construction in 2020, with 
financial support from the Federal Savings Bank (Caixa Econômica Federal).  

Program for Reduction of Water Loss  

The Program for Reduction of Water Loss (Programa de Redução de Perdas de Água) aims to reduce water loss by integrating initiatives in our business 
units. This program has a 12-year term that began in 2009.  We anticipate total investments of approximately R$6.2 billion (current value) throughout the term 
of the program.  Funding for the program will come from our own resources as well as from credit facilities provided by the Japan International Cooperation 
Agency (JICA), BNDES, World Bank (IBRD) and incentivized debentures pursuant to Law No. 12.431/2011.  

The program aims to reduce the rate of water loss from 430 liters per connection per day in December 2008 to 273 liters per connection per day by 2020, 
which  is  equivalent  to  reducing  the  Water  Metered  Loss  Index  (based  on  measured  consumption)  from  34.1%  in  December 2008  to  28.4%  in  December 
2020.  In 2019, we invested approximately R$929.7 million in this program and our water loss measured 285 liters per connection per day and our Water 
Metered Loss Index averaged 29.0%. 

Coastal Water Program  

The  Coastal  Water  Program  (Programa  Água  no  Litoral)  combines  various  long-term  activities  to  expand  water  production  capacity  in  the  Baixada 
Santista metropolitan region and the southern coast of the state of São Paulo. The program aims to benefit approximately three million people, including both 
the local population and tourists.  It aims to increase the level of reliability of the local systems, eliminating existing and potential deficiencies and irregularities 
in the water supply. 

In order to reach this goal, we built two water treatment plants, which started operations in 2013:  Mambu/Branco, with water treatment capacity of 1.6 
m³/s, and Jurubatuba, with water treatment capacity of 2 m³/s.  In 2019, two additional water treatment plants became operational in the municipality of Peruíbe 
as part of an ongoing plan to enlarge the treatment capacity of the water treatment plant Mambu Branco, from 1.6m3/s to 3.2m3/s, which we expect to conclude 
by 2021.  

In 2016, the integrated system of the Baixada Santista metropolitan region was reinforced with the commencement of operations at the Melvi Treated 
Water Reserve Center, located in Praia Grande. The Center’s reserves went from 20 million to 45 million liters. The infrastructure is part of the Mambu-Branco 
production center (inaugurated in 2013 in Itanhaém) and will serve residents and tourists in two municipalities of the Baixada Santista region (Praia Grande 
and São Vicente).  The program is supported by funds from the Caixa Econômica Federal as well as our own funds.  In 2019, we invested R$36.5 million in 
the Coastal Water Program.  

Sustainable and Inclusive Sanitation Program 

The Sustainable and Inclusive Sanitation Program integrates water security and social inclusion and is focused on the Guarapiranga reservoir area in the 
São  Paulo  Metropolitan  Region,  benefiting  more  than  1 million  people.  The  Program  aims  to  reduce  water  losses  by  replacing  our  water  networks  and 
implementing water supply infrastructure in houses with underdeveloped facilities, as well as to improve maintenance and safety control of Guarapiranga 
reservoir and to expand and optimize sewage collection, transportation and treatment systems in the area.  The Program is supported by funds from the World 
Bank as well as our own funds. 

Investments in Sewage—We have a series of ongoing and scheduled projects involving the collection, removal and treatment of sewage.  For the period from 
2020 through 2024, we plan to invest R$12.1 billion in sewage collection and treatment.  The main programs are: 

Tietê Project 

We have been working in the metropolitan region of São Paulo in sanitation programs that aim to contribute to the revitalization of rivers and streams, 

and its main program is the Tietê Project. 

Established in 1992, the project aims to contribute to the progressive revitalization of the Tietê river and its tributaries, in the Alto Tietê basin, where the 

metropolitan region of São Paulo is located, through the expansion and optimization of the sewage collection, transportation and treatment system. 

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Considering the complexity and challenges faced to implement infrastructure projects in crowded and disorderly urbanized areas such as São Paulo, it was 

necessary to structure the project in stages.  

From 1992 to the end of 2019, the investments totaled US$3.0 billion, of which R$454 million were disbursed in 2019.  Part of the resources allocated to 
the  program  are  our  own  capital  and  the  remainder  comes  from  financings  granted  by  the  Inter-American  Development  Bank  -  IDB,  BNDES  and  Caixa 
Econômica Federal. 

During this period, 1.8 million domestic sewage connections were built and 4.5 thousand km of interceptors, trunk collectors and collection networks 

were built to collect and transport the sewage to treatment in our plants, whose installed capacity for treatment almost tripled. 

As a result, the treated sewage outflow at the metropolitan region of São Paulo increased from four thousand liters per second in 1992 to the current 20.6 
thousand liters per second. This increase, of 16.6 thousand liters per second, is equivalent to the sewage generated by approximately 11 million people. As a 
result, sewage collection that served 70% of the urbanized area of the metropolitan region of São Paulo in 1992 increased to 87% by the end of 2019. Sewage 
treatment increased from 24% to 81% of the volume collected. 

By 2025, the program aims to increase the sewage collection rate in the metropolitan region of São Paulo to 92% and the treatment rate to 90% of the total 
collected,  with  the  conclusion  of  the  third  stage,  now  under  way  with  a  72%  progress,  and  the  works  already  planned  for  the  fourth  stage,  with  priority 
interventions currently in concurrent execution.  

In 2018, the completion of the second phase of the expansion of Sewage Treatment Plant Barueri, the largest treatment plant in South America, allowed 

us to increase from 12 thousand liters per second (reached in 2017) to 16 thousand liters per second currently.  

It is also worth mentioning the implementation of the ITi-7 sewage interceptor under the Marginal Tietê, a highway that runs through the city of São Paulo 
along with the Tietê River, which became operational in the beginning of 2020, benefiting approximately 2 million people living in the central and southern 
regions of the city of São Paulo, highly verticalized, with collector piping operating close to its limit.  The project, which has approximately 15km in length, 
will allow the broadening of sewage disposal and treatment in the region, which will in turn guarantee greater operational security to the sewage system.  

In November 2019, we signed a new loan agreement with IDB in the amount of US$300 million for the partial financing of Project Tietê’s fourth phase. 

Novo Rio Pinheiros Project 

The Novo Rio Pinheiros Project is an initiative of the São Paulo State Government that aims to clean up the Pinheiros river by 2022, in order to reintegrate 
it into the city and make it a leisure and tourism area. The project includes sewage services, riverbed dredging, programs for the collection and reduction of 
inadequate urban waste disposal, as well as environmental education actions. 

We took part in the project by offering the expansion of the sewage collection network and the installation of new sewage connections in areas not yet 
served. In places where the connection to the existing infrastructure is not possible due to settlements along the river bank, as part of the project we will install 
small sewage treatment plants on the river’s tributaries. 

These initiatives are being contracted based on performance (Performance Contract), a form of service contracting that set goals to be achieved by the 
contractors, with the compensation varying according to the achievement of the proposed targets. That is, compensation will take place upon completion of the 
construction and will also have a variable part, depending on the final result achieved. Performance evaluation considers targets such as the number of new 
properties connected to the sewage network and stream water quality. 

Clean Stream Program 

The Clean Stream Program (Programa Córrego Limpo), a partnership between the State of São Paulo, our company, and the city of São Paulo, aims to 
decontaminate urban streams in the city of São Paulo by eliminating the discharge of sewage into streams and rainwater runoff routes, cleaning streams and 
banks, and removing and relocating low-income households located on the banks of streams. 

Since 2007, 152 urban streams have been decontaminated and preserved, benefiting approximately 2.7 million people.  In 2019, we invested R$9.6 million 
in the Clean Stream Program. The program is supported by funds from the Caixa Econômica Federal as well as our own funds. Part of the investment related 
to the Tietê Project benefits the Clean Stream Program. 

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In 2019, we concluded the decontamination of an extensive stream in the city of São Paulo, the Traição stream, benefiting 215 thousand people and 
resulting in the piping of 275 liters per second of sewage. In addition, the decontamination of several other streams is in its final stages. Throughout the year, 
we also continue to inspect the water quality and carry out maintenance services of previously decontaminated streams as necessary.  

Despite our constant monitoring of pollution levels, the municipality of São Paulo’s difficulties in moving low-income families who live in risky areas 
has led to a slowdown in progress under the program. We have renewed the partnership with the municipality and the objectives for 2020 are under discussion. 

Clean Wave Program  

The Clean Wave Program (Programa Onda Limpa) is the largest environmental sanitation program on the Brazilian coast. Its main goal is to improve and 
expand the sewage systems in the municipalities that cover the metropolitan region of Baixada Santista, seeking the universalization of sewage services in the 
region. The program will improve the condition of 82 beaches and will benefit approximately 4 million people, including locals and tourists who visit the coast, 
especially in the summer months. 

Due to the complexity and challenges involved in the implementation of infrastructure projects in coastal regions, the Program was structured in stages. 
In  the  first  phase,  started  in  2007,  and  among  other  actions  110  thousand  sewage  connections  were  implemented,  resulting  in  the  increase  of  the  sewage 
coverage ratio from 53% to 83% in 2019, reaching 100% treatment of the sewage collected. We invested R$2 billion in this phase, with our own resources and 
financing from JICA and BNDES. 

The second phase of the Program began in 2018 and aims to implement approximately 450 km of sewage collection network, 48 thousand new connections, 
three new sewage treatment plants and  improvements to existing sewage treatment plants. In 2019, we began works on sewage collection networks and new 
connections in the municipalities of Praia Grande, Mongaguá, São Vicente and Intanhaém. We expect to complete this stage  in 2025, with 92% sewage 
collection and maintenance of sewage treatment index collected.  

The execution of the third stage of the Program is estimated between 2025 and 2030, and a forecast of 95% sewage collection and treatment of all sewage 

collected. 

Other Policies and Programs 

Nossa Guarapiranga  

The Nossa Guarapiranga Project launched in December 2011 is still running. Its main objective is to improve the water quality in the Guarapiranga basin, 
an  urban  water  source  for  the  São  Paulo  metropolitan  region.   The  basin  serves  one million  people  directly  in  the  areas  near  Guarapiranga  reservoir  and 
indirectly serves a further three million people who consume the water from this water basin. We carried out actions on three fronts as part of this project: (i) 
we installed ecobarriers at the mouth of the reservoir’s main affluents in order to retain solid residue in the Guarapiranga basin; (ii) we developed diagnosis 
and control services for the removal of water plants that obstruct water extraction; and (iii) we removed and disposed of solid residue that had accumulated at 
the  water  surface  of  the  dam  in  the  reservoir.  Two  vessels  were  built  specifically  for  this  purpose.  We  work  as  a  collaborative  team  with  the  municipal 
government of São Paulo in the Nossa Guarapiranga Project, with the municipal government of São Paulo transporting all of the residue collected through 
these fronts to a sanitary landfill. In 2019, we removed an average of 1.152 m³/month of solid residue and approximately 217 m3/month of water plants from 
this basin. 

Pró-Conexão  

In 2012, the State of São Paulo approved a project to subsidize connections to the sewage system for low-income families.  Initially intended to last eight 
years, the project involves capital expenditures of up to R$349.5 million of which 80% will be provided by the State government and 20% by us.  In this period, 
we  expect  that  this  program  will  create  192  thousand  new  sewage connections  benefiting  approximately  800 thousand  people.  As  of  December 2019,  we 
completed approximately 28.2 thousand sewage connections under the Pró-Conexão program. 

We believe that this program will increase the efficiency of our other sewage collection programs and help improve water quality in the region’s rivers 
and basins as well as improve quality of life for low-income families.  For more information see “Item 7.B. Major Shareholders and Related Party transactions—
Related Party transactions—Agreements with the State.” 

A large part of this work was executed by our own personnel, which considerably reduced the need for investment. 

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B.      Business Overview 

Our Operations 

As of December 31, 2019, we provided water and sewage services to 372 municipalities in the state of São Paulo under concession agreements, program 
agreements,  other  forms  of legal  arrangements or  without  formal  agreements. We also  supplied  treated  water on  a  wholesale basis  to  three municipalities 
located in the São Paulo metropolitan region and urban conurbations.  The majority of these concessions have 30-year terms. Due to court orders, we suspended 
our services in two other municipalities (Cajobi and Macatuba). For more information, see “Item 8.A. Financial Statements and Other Financial Information—
Legal Proceedings.” Between January 1, 2007 and December 31, 2019, we entered into agreements with 325 municipalities (including our services agreement 
with the city of São Paulo) in accordance with the Basic Sanitation Law, of which eighteen were entered into in 2019.  As of December 31, 2019, these 325 
municipalities accounted for 85.0% of our gross operating revenues from sanitation services (excluding revenues relating to the construction of concession 
infrastructure).  In addition to the contracts, the municipalities entered into cooperation contracts with the State of São Paulo, delegating the regulation and 
monitoring of the provision of services to ARSESP. As of December 31, 2019, 21 of our agreements or concessions had expired but we continued to provide 
water and sewage services to these municipalities and were in negotiations with these municipalities to execute program agreements to substitute the expired 
concessions.  From January 1, 2020 through 2030, 27 concessions will expire. 

For more information on laws and regulations related to our concession operations, see “—Government Regulations Applicable to our Contracts.”  

Description of Our Activities 

As set forth in Article 2 of our bylaws, we are permitted to render basic sanitation services with the goal of providing basic sanitation services to the entire 
population in the municipalities where we conduct our activities without harming our long-term financial sustainability.  Our activities comprise water supply, 
sanitary sewage services, urban rainwater management and drainage services, urban cleaning services, solid waste management services and related activities, 
including the planning, operation, maintenance and commercialization of energy, and the commercialization of services, products, benefits and rights that 
directly or indirectly arise from our assets, operations and activities. We are allowed to act in a subsidiary form in other Brazilian locations and abroad.  See 
“—Government Regulations Applicable to Our Contracts—Establishment of ARSESP.”  For a description of our operating segments please see Note 25 to our 
financial statements as of and for the year ended December 31, 2019.  

Operating  segments  are  presented  in  our  annual  report  in  a  manner  consistent  with  the  internal  reporting  provided  to  our  chief  operating  decision 
maker, which is the board of directors and the board of executive officers, as determined under IFRS 8.  Under Brazilian GAAP, prior to our conversion to 
IFRS, the financial information for construction services was not separately presented and construction costs related to concessions were capitalized within 
property, plant and equipment.  As a result, our chief operating decision maker did not review the results of this business.  Following our conversion to IFRS, 
our chief operating decision maker decided to continue to exclude the construction results from the internal reporting of our revenues and expenses, thus not 
basing their decisions on discrete financial information for that business.  Consequently, the business did not qualify as an operating segment under IFRS 
8.  Nonetheless, after our conversion to IFRS and for IFRS financial statement purposes only, we started to record such results separately as construction 
revenue and costs under IFRIC 12.  Although such information is available discretely, it is not analyzed by our chief operating decision maker as such and is 
not the basis for operational decisions. 

We set forth below a description of our activities.  

Wholesale Operations 

Wholesale Water Services 

Until the end of 2019, we provided water services on a wholesale basis to three municipalities located in the São Paulo metropolitan region (Mauá, Mogi 
das Cruzes and São Caetano do Sul). The municipalities of Guarulhos and Santo André were both served on a wholesale basis until December 2018 and July 
2019, respectively, after which we started supplying water directly to the population of these municipalities which means we now account for them as part of 
our retail segment. Agreements to provide water services on a wholesale basis must comply with the Basic Sanitation Law which requires that the service be 
supervised by an independent agency, stipulates registration of the cost of the service with the rules published by ARSESP.  Our agreements currently comply 
with the provisions of the Basic Sanitation Law No. 11.445/2007. In 2019, the revenues from wholesales water services were R$1,385.4 million, the main 
impact of which was related to the agreement with the municipality of Santo André. For more information on this agreement, see Note 9 to our 2019 financial 
statements.  

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The Brazilian courts could oblige us to continue to supply water to these municipalities, even when we have not received payments due to us. If they do 
not pay, we have no way of ensuring that negotiations with these municipalities or legal action taken against them will result in payments being made. For 
example,  the  municipality  of  Mauá  still  owes  us  significant  sums  in  respect  of  water  that  we  have  been  providing  to  it  on  a  wholesale  basis. For  more 
information,  see  “Item 3.D.  Risk  Factors—Risks  Relating  to  Our  Business—We  may  face  difficulties  in  collecting  overdue  amounts  owed  to  us  by 
municipalities to which we provide water on a wholesale basis and municipal government entities.”  We have intensified the process of collecting these sums.  In 
August 2019, we executed a new Protocol of Intentions with the municipality of Mauá aiming to resolve commercial relations and the municipality’s outstanding 
debt with us. On January 16, 2020, a municipal law was sanctioned, allowing the municipal government of Mauá to sign agreements and amendments and any 
other type of necessary adjustments with the State of São Paulo, ARSESP and us. As of the date of this annual report there has been no progress in negotiations 
and we cannot guarantee if or when any agreement will be signed. 

Wholesale Sewage Services 

Currently, we provide sewage services on a wholesale basis to the municipalities of Mogi das Cruzes and São Caetano do Sul. 

In July 2019, we entered into an agreement with the municipality of Santo André to direct supply water and sewage services to the municipality for 40 
years. The municipality of Santo André was served on a wholesale basis until July 2019. Through these agreements, in 2019 we invoiced approximately 16 
million cubic meters of sewage collected from these municipalities served on a wholesale basis. In 2019, our revenues from wholesale sewage services were 
R$33.1 million. 

Water Operations 

Our supply of water to our customers generally involves water extraction from various sources, subsequent treatment and distribution to our customers’ 
premises.  In 2019, we produced approximately 2,873.2 million of cubic meters of water. The São Paulo metropolitan region (including the municipalities to 
which we supply water on a wholesale basis) currently is, and has historically been, our core market, accounting for approximately 70% of water invoiced by 
volume in 2019.  

The following table sets forth the volume of water that we produced and invoiced for the periods indicated: 

2019 

2018    

Year ended December 31, 
2017 
(in millions of cubic meters) 

Produced:  
São Paulo metropolitan region  
Regional Systems  
Total   
Invoiced: 
1,175.8 
São Paulo metropolitan region  
256.7 
Wholesale  
643.4 
Regional Systems  
2,075.9 
Total 
*  Includes  the  volume  billed  for  the  municipality  of  Guarulhos  in  the  retail  segment  in  2019  and  in  the  wholesale  segment  in  2018.  Also  includes  the  volume  billed  for  the 
municipality of Santo André in the retail segment as from October 2019 and in the wholesale segment until September 2019. 

1,363.5*    
82.9    
666.3    
2,112.7    

1,194.5   
262.7    
650.7   
2,107.9    

2,012.5   
860.7   
2,873.2   

1,959.6   
840.1   
2,799.7   

1,952.3 
830.9 
2,783.2 

The  difference  between  the  volume  of  water  produced  and  the  volume  of  water  invoiced  generally  represents  both  physical  and  non-physical  water 

loss.  See “—Water Loss.”  In addition, we do not invoice: 

•        water discharged for periodic maintenance of water transmission lines and water storage tanks; 

•        water supplied for municipal uses such as firefighting; 

•        water consumed in our own facilities; and 

•        estimated water loss associated with water we supply to shantytowns (favelas). 

Seasonality  

Although seasonality does not affect our results in a significant way, in general, higher water demand is observed during the summer and lower water 
demand during the winter.  The summer coincides with the rainy season, while the winter corresponds to the dry season.  The demand in the coastal region is 
increased by tourism, with the greatest demand occurring during the Brazilian summer holiday months.  

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Water Resources  

We can withdraw water only to the extent permitted by the Department of Water and Electric Energy (Departamento de Águas e Energia Elétrica – 
DAEE) pursuant to water rights granted by it.  Depending on the geographic location of the river basin or if the river crosses more than one state (federal 
domain), the approval of ANA, a federal agency under the Ministry of Regional Development is required. We currently withdraw substantially all of our water 
supply from surface sources from rivers and reservoirs, with a small portion being withdrawn from groundwater.  Our reservoirs are filled by impounding water 
from rivers and streams, by diverting the flow from nearby rivers, or by a combination of both methods.  For more information on water usage regulation, see 
“—Environmental Matters—Water Usage.”  

In order to supply water to the São Paulo metropolitan region, as of December 31, 2019 we relied on 20 reservoirs of non-treated water and 243 reservoirs 
of treated water, which are located in the areas under the influence of the ten water producing systems (including the Guarulhos water supply system) comprising 
the interconnected water system of the São Paulo metropolitan region.  The total capacity of the water sources available for treatment in this area is 82.3 m³/s. 
Total current installed capacity is 81.7 m³/s and can be distributed to the São Paulo metropolitan region.  Average verified production for the interconnected 
water system of the São Paulo metropolitan region was 62.9 m³/s during 2019.  The Cantareira, Guarapiranga and Alto Tietê systems produce 81% of the water 
we distributed in the São Paulo metropolitan region in 2019. 

In March 2018, we began operations of one of the important projects for the interconnected water system of the São Paulo metropolitan region with the 
beginning of the transfer of water from the Jaguari reservoir to the Atibainha reservoir. The interconnection between the Jaguari and Atibainha reservoirs has 
an  average  flow  of  5.13m3/s  and  represents  an  important  increase  in  water  security  for  the  Cantareira  System  and  for  the  water  supply  in  the  São  Paulo 
metropolitan region. For more information see “—Capital Expenditure Program—Main Projects of Our Capital Expenditure Program—Investments in Water.”  

The construction of the São Lourenço Production System, another important project for the interconnected water system of the São Paulo metropolitan 
region, began in April 2014 and was completed in April 2018 and operations began in July 2018. The São Lourenço Production System represents an increase 
of 6.4m3/s in water availability and 6.0m³ production capacity of the region’s integrated system and is the ninth interconnected production system for the 
Metropolitan  Region. For  more  information  see  “—Capital  Expenditure  Program—Main  Projects  of  Our  Capital  Expenditure  Program—  Investments  in 
Water.” 

In 2019, the Cantareira system accounted for 38% of the water that we supplied to the São Paulo metropolitan region (including the municipalities to 
which we supplied water on a wholesale basis), which represented 73.4% of our operating revenues from sanitation services (excluding revenues relating to 
the construction of concession infrastructure) for the year.  For more information, see “Item 3.D. Risk Factors—Risks Relating to Our Business—Droughts, 
such as the 2014 – 2015 water crisis, can have a material impact on our business and on consumption habits and, accordingly, may have a material adverse 
impact on our business, financial condition or results of operations.” 

Current  river  basin  committees  are  authorized  to  charge  both  for  water  usage  and  the  dumping  of  sewage  into  water  bodies.   We  participate  in  the 
decentralized and integrated management of water resources established by the National Policy on Water Resources. We are represented by our employees on 
the State River Basin Committees and the Federal Committees that act in the state of São Paulo and in the National and State Councils on Water Resources. 

The following table sets forth the water production systems from which we produce water for the São Paulo metropolitan region: 

Water production system: 
Cantareira  
Guarapiranga  
Alto Tietê  
Rio Claro  
Rio Grande (Billings reservoir)  
Alto Cotia  
Baixo Cotia (2) 
Ribeirão da Estiva  
São Lourenço  
Guarulhos 
Total 

2019 

23.8 
12.7 
14.3 
3.1 
4.3 
1.2 
- 
0.1 
3.1 
0.3 
62.9 

(1)     Average of the twelve months ended December 31, 2019, 2018 and 2017. 
(2)   At the beginning of 2018, the region served by the Baixo Cotia system began to be supplied by the São Lourenço system. 

Production Rate(1) 
2018 
2017 
(in cubic meters per second) 

23.9 
13.4 
12.9 
3.4 
4.3 
1.1 
0.2 
0.1 
1.6 
- 
60.9 

25.0 
13.3 
11.8 
3.9 
4.5 
1.2 
0.8 
0.1 
- 
-- 
60.6 

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The Guarapiranga and Billings reservoirs and a portion of some of the reservoirs of the Alto Tietê system are owned by other companies controlled by the 
State.  In the cities of the interior region of São Paulo, our principal source of water consists of surface water from nearby rivers and from wells, whereas in 
coastal areas, our principal source of water consists of surface water from rivers and mountain springs.  For additional information on the Alto Tietê system, 
see “Item 7.B. Related Party Transactions—Transactions with the State of São Paulo—Agreements with the State.”  

Statewide,  we  estimate  that  we  are  able  to  supply  nearly  all  of  the  demand  for  water  in  all  of  the  areas  where  we  operate,  subject  to  droughts  and 
extraordinary climate events. We installed 204.8, 199.1 and 207.3 thousand new water connections in 2019, 2018 and 2017, respectively. The interconnected 
water system of the São Paulo metropolitan region serves 30 municipalities, of which 27 are operated directly by us under this system. Through this system, 
we  serve  the  other  three  municipalities  on  a  wholesale  basis  whereas  distribution  is  the  responsibility  of  other  companies  or  departments  related  to  each 
municipality.  

In  order  to  reach  the  final  customer,  the  water  is  stored  and  transported  through  a  complex  and  interconnected  system. This  water  system  requires 

permanent operational supervision, engineering inspection, maintenance, and quality monitoring and measurement control. 

To ensure the continuous provision of regular water supply in the São Paulo metropolitan region, we intend to invest R$8.1 billion from 2020 to 2024 to 
increase our water production and distribution capacities as well as to improve the water supply systems.  In 2019, our total investment in water supply systems 
amounted to R$2.5 billion, of which R$2.0 billion were invested in the São Paulo metropolitan region.  

Water Treatment 

We treat all water at our water treatment facilities prior to dispatching it to our water distribution network. We operate 253  treatment facilities, of which 
ten are a part of the Metropolitan Production System—located in the São Paulo metropolitan region and account for approximately 70.0% of all water we 
produced in 2019.  The type of treatment used depends on the nature of the source and quality of the untreated water.  For example, water abstracted from 
rivers requires more treatment than water withdrawn from groundwater sources.  All of the water we treat receives fluoridation treatment. 

Water Distribution 

We  distribute  water  through  our  networks  of  water  pipes  and  water  transmission  lines,  ranging  in  size  from  2.5 meters  to  75 millimeters  in 
diameter.  Storage tanks and pumping stations regulate the volume of water flowing through the networks in order to maintain adequate pressure and continuous 
water supply. 

The following table sets forth the total number of kilometers of water pipes and water transmission lines and the number of connections in our network as 

of the dates indicated:  

Water distribution pipes and water transmission lines (in kilometers) 
Number of connections (in thousands)  

2019 
81,324 
9,933 

As of December 31, 
2017 
74,396 
8,863 

2018 
75,519 
9,053 

More than 90% of the water pipes in our water distribution network are made of cast iron or polyvinylchloride, or PVC. Distribution pipes at customers’ 

residences typically are made from high-density polyethylene tubing.  Our water transmission lines are mostly made of steel, cast iron or concrete.  

As of December 31, 2019, our water distribution pipes and water transmission lines included: (i) 42,158 kilometers in the São Paulo metropolitan region; 

and (ii) 39,167 kilometers in the Regional Systems.  

As of that date, we had 397  storage tanks in the São Paulo metropolitan region with a total capacity of 2.4  million cubic meters, and 2,101 storage tanks 
in the Regional Systems. Furthermore, we had 465 treated water pumping stations in the São Paulo metropolitan region aqueduct system, including stations at 
treatment facilities, intermediate trunk transfer pumping stations and small booster stations serving local areas.  

Water transmission lines that require maintenance are cleaned and their lining is replaced.  We are typically notified of water main fractures or breaks by 
the public through a toll-free number maintained by us. We consider the condition of the water pipes and water transmission lines in the São Paulo metropolitan 
region to be adequate as of the date of this annual report.  Due to age, external factors such as traffic, the dense population, and commercial and industrial 
development, water pipes and water transmission lines in the São Paulo metropolitan region are somewhat more susceptible to degradation than those in the 
Regional Systems.  To counter these effects, we have a maintenance program in place for water pipes and water transmission lines that is intended to address 
anticipated fractures and clogs due to brittleness and encrustation, and to help ensure water quality in the region. 

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The new customers whose water pipes are more than 20 meters away from the water transmission lines are responsible for covering part of the costs of 
connecting  to  our  water  distribution  network.   They  must  cover  the  costs  of  connecting  to  the  network  from  the  customer’s  premises,  including  costs  of 
purchasing  and  installing  the  water  meter  and  related  labor  costs.   We  perform  the  installation  of  the  water  meter  and  conduct  periodical  inspections  and 
measurements.  After completion of installation, the customer is responsible for the water meter. 

The following table sets forth projected new water connections for the periods indicated in thousands: 

São Paulo metropolitan region  
Regional Systems  
Total   

Water Loss 

2020 
129 
65 
194 

2021 
122 
65 
187 

2022 
122 
65 
187 

2023 
122 
65 
187 

in thousands 

2020 – 2024 
608 
324 
932 

2024 
113 
64 
177 

The difference between the volume of water produced and the volume of water invoiced generally represents both physical and non-physical water loss. 

The Water Billed Loss Index represents the quotient of (i) the difference between (a) the total volume of water produced minus (b) the total volume of 

water invoiced plus (c) the volume of water excluded from our calculation of water loss, divided by (ii) the total volume of water produced. 

The Water Metered Loss Index represents the quotient of (i) the difference between (a) the total volume of water produced minus (b) the total volume of 

water measured minus (c) the volume of water that we exclude from our calculation of water loss, divided by (ii) the total volume of water produced. 

The Water Loss per Connection per day measured in liters per connection per day represents the quotient of (i) the average annual water loss, divided by 
(ii) the average number of active water connections multiplied by the number of days of the year.  This calculation method is based on worldwide market 
practice for the sector. 

We exclude the following from our calculation of water loss: (i) water discharged for periodic maintenance of water transmission lines and water storage 
tanks; (ii) water supplied for municipal uses such as firefighting; (iii) water we consume in our facilities; and (iv) estimated water loss related to the supply of 
water to shantytowns (favelas). 

Among the principal indicators utilized to measure rates of water loss are the following: 

•        Water Billed Loss Index (WBLI), in %;  

•        Water Metered Loss Index (based on metered consumption) (WMLI); and 

•        Water Loss per Connection, (TLDC) in liters per connection per day. 

These indicators are calculated by applying the following formulas: 

WBLI = 

WMLI = 

TLDC  =   

Vproduced (Vinvoiced + Vused) 
Vproduced 

Vproduced – (Vmeasured + Vused) 
Vproduced 

Vproduced – (Vmeasured + Vused) 
Nconnection x No. of days of a given period 

Where: 

Vproduced:  corresponds to the volume of water produced at a given period; 

Vbilled:  corresponds to the volume of water billed at a given period; 

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Vmeasured:  corresponds to the volume of water measured at a given period; 

Vused:  corresponds to the volume of water used for operational, public, private and social needs (supply shantytown areas) at a 
given period; and 

Nconnections:  corresponds to the average number of active water connections. 

Using this calculation method, as of December 31, 2019, we experienced 331 liter/connection per day of water loss in the São Paulo metropolitan region 
and 216 liter/connection per day of water loss in the Regional Systems, averaging 285 liter/connection of water loss per day. We have a Program for Reduction 
of Water Loss in place that aims to reduce total water loss to around 273 liters/connection per day, and the Water Metered Loss Index to 28.4% by 2020. 

Real water loss (water physically lost) fell from 22.2% in December 2008 to 19.0% in December 2019. 

Our strategy to reduce water loss has two approaches:   

•   reduction in the level of physical loss, which results mainly from leakage.  To this end we are replacing and repairing water transmission lines and 

pipes and installing probing and other equipment, including strategically located pressure regulating valves; and  

•   reduction of non physical loss, which results primarily from the inaccuracy of our water meters installed at our customers’ premises and from clandestine 
and  illegal  use.   To  this  end  we  are  upgrading  and  replacing  inaccurate  water  meters,  increase  anti-fraud  actions  and  expanding  our  anti  fraud 
personnel.      

We  are  taking  measures  to  decrease  physical  loss  by  reducing  response  time  to  fix  leakages  and  by  better  monitoring  of  non-visible  water  main 

fractures.  Among other initiatives, we have adopted the following measures to reduce physical water loss:  

•   the introduction of technically advanced valves to regulate water pressure throughout our water transmission lines in order to maintain appropriate 
water pressure downstream.  These valves are programmed to respond automatically to variations in demand.  During peak usage, the flow of water in 
the pipes is at its highest point; however, when demand decreases, pressure builds up in the water transmission lines and the resulting stress on the 
network can cause significant water loss through cracks and an increase in ruptures of the pipes.  The technically advanced valves are equipped with 
probes programmed to feed data to the valve in order to reduce or increase pressure to the water transmission lines as water usage fluctuates; the 
reconfiguration of interconnected water distribution to permit the distribution of water at lower pressure; 

•   the implementation of routine operational leak detection surveys to reduce overall water loss; 

•   the monitoring of and improved accounting with respect to water connections, especially for large volume customers;  

•   regular checking on inactive customers and monitoring non residential customers that are accounted for as residential customers and, therefore, billed 

at a lower rate;  

•   preventing fraud with the use of new, more sophisticated water meters that are more accurate and less prone to tampering;  

•   installing water meters where none are present; and  

•   conducting preventive maintenance of existing and newly installed water meters. 

Water Quality 

We believe that we supply high quality treated water that is consistent with the standards set by Brazilian law, which are similar to the standards set in the 
United States of America and Europe.  Pursuant to the Brazilian Ministry of Health (Ministério da Saúde) regulations, we have significant statutory obligations 
regarding the quality of treated water.  

In general, the state of São Paulo has excellent water quality from underground or surface water sources.  However, high rates of population growth, 
increased urbanization and disorganized occupation of some areas of the São Paulo metropolitan region have reduced the quantity and quality of water available 
to serve the population in the southern area of the São Paulo metropolitan region and in the coastal region.  Currently, we successfully treat this water to make 
it potable.  We are also investing in improvements of our water transmission lines and our treatment systems to ensure the quality and availability of water for 
the upcoming years. 

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Water  quality  is  monitored  at  all  stages  of  the  distribution  process,  including  at  the  water  sources,  water  treatment  facilities  and  in  the  distribution 
network. We have 15 regional laboratories, one central laboratory, and laboratories located in all water treatment facilities that monitor water quality, as required 
by our standards and those set by law. Our laboratories analyze an average of 90 thousand samples per month on distributed water, with samples collected from 
residences.  Our central laboratory located in the city of São Paulo is responsible for organic compound analysis using the chromatographic and spectrometric 
methods as well as heavy metals analysis by Inductively Coupled Plasma (ICP).  Our central laboratory and 13 of our regional laboratories have obtained the 
ABNT NBR ISO IEC 17025 accreditation (accreditation for general requirements for the competence of testing and calibration laboratories) awarded by the 
National Institute of Metrology, Quality and Technology, or INMETRO. 

All chemical products used for water treatment are analyzed and follow strict specifications set out in recommendations made by the National Health 
Foundation (Fundação Nacional de Saúde), or NHF, ABNT, and the National Standard Foundation, or NSF, and the American Water Works Association, or 
AWWA, to eliminate toxic substances that are harmful to human health.  From time to time, we face problems with the proliferation of algae, which may cause 
an unpleasant taste and odor in the water.  In order to mitigate this problem, we work on: (i) fighting algae growth at the water source and (ii) using advanced 
treatment processes at the water treatment facilities that involve the use of powdered activated carbon and oxidation by potassium permanganate. The algae 
growth creates significant additional costs for water treatment because of the higher volumes of chemicals used to treat the water. We also participate in the 
Clean Stream Program to clean important streams in the city of São Paulo.  Other initiatives also aimed at improving the water quality in the water sources 
located in the of São Paulo metropolitan region are Nossa Guarapiranga and Pró-Conexão.  See “—Main Projects of Our Capital Expenditure Program—
Clean Stream Program,” and “—Other Policies and Programs—Nossa Guarapiranga.”  

We believe that there are no material instances where our standards are not being met.  However, we cannot be certain that future breaches of these 

standards will not occur. 

Fluoridation 

As required by Brazilian law, we add fluoride to the water at our treatment facilities prior to its distribution into the water supply network. Fluoridation 

primarily consists of adding fluorosilicic acid to water at between 0.6 mg/L and 0.8 mg/L to assist in the prevention of tooth decay among the population.   

Sewage Operations 

We are responsible for the collection, removal, treatment and final disposal of sewage.  As of December 31, 2019, we collected approximately 83% and 
86%  of  all  the  sewage  produced  in  the  municipalities  in  which  we  operate  in  the  São  Paulo  metropolitan  region  and  in  the  Regional  Systems, 
respectively. During 2019, we collected approximately 84% of all the sewage produced in the municipalities in which we operated in the state of São Paulo. We 
installed 237.0 thousand, 215.3 thousand and 221.8 thousand new sewage connections in 2019, 2018 and 2017, respectively. 

Sewage System  

The purpose of our sewage system is to collect and treat sewage and to adequately dispose of the treated sewage.  As of December 31, 2019, we were 
responsible for the operation and maintenance of 55,983 kilometers of sewage lines, of which approximately 29,607 kilometers are located in the São Paulo 
metropolitan region and 26,376 kilometers are located in the Regional Systems, respectively. 

The following table sets forth the total number of kilometers of sewage lines and the total number of sewage connections in our network for the periods 

indicated: 

Sewage lines (in kilometers)  
Sewage connections (in thousands)  

2019 
55,983 
8,326 

As of December 31, 
2017 
50,991 
7,302 

2018 
51,788 
7,495 

Our  sewage  system  comprises  a  number  of  systems  built  at  different  times  and  constructed  primarily  from  clay  pipes  and,  more  recently,  PVC 
tubing.  Sewage lines larger than 0.5 meters in diameter are primarily made of concrete.  Our sewage system is generally designed to operate by gravitational 
flow, although pumping stations are required in certain parts of the system to ensure the continuous flow of sewage.  Where pumping stations are required, we 
use sewage lines made of cast iron. 

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The public sewage system operated by us was structured in order to receive, in addition to household effluents, a portion of non-domestic effluents (such 
as industrial sewage and sewage from other non-domestic sources) for treatment together with household effluents.  Non-domestic effluents have characteristics 
that are qualitatively and quantitatively different from household effluents.  As a result, the discharge of non-domestic effluents into the public sewage system 
is subject to compliance with specific legal demands with the purpose of protecting the sewage collection and treatment systems, the health and safety of 
operators and the environment.  The current environmental legislation establishes standards for the discharge of these effluents into the public sewage system 
and stipulates that such effluents be subject to pretreatment. These standards are defined in State Decree No. 8,468/1976.   

Before  the  discharge  is  permitted,  we  carry  out  acceptance  studies  that  assess  the  capacity  of  the  public  sewage  system  to  receive  it  as  well  as  the 
compliance with regulations.  Upon the conclusion of these studies, the technical and commercial conditions for receiving the discharge are established, which 
are then formalized in a document signed by us and the effluent producer.  Failure to comply with these conditions can lead to the application of penalties by 
us.  In extreme cases, the State of São Paulo Environmental Company (Companhia Ambiental do Estado de São Paulo), or CETESB, is notified in order for 
the applicable measures to be taken.  Effluents from our treatment facilities must comply with limitation guidelines for release of effluents into receiving water 
bodies.  Additionally, the quality of the water in the receiving water body must not be impaired by the release of such effluents, as established by State Law 
No. 997/1976 regulated by State Decree No. 8,468/1976 and Conama Resolution No. 357/2005, as amended by Conama Resolution No. 430/2011 and Conama 
Resolution No. 397/2008. 

We considered the condition of the sewage lines in the São Paulo metropolitan region to be adequate as of the date of this annual report. Due to a greater 
volume of sewage collected, a higher population and more extensive commercial and industrial development, the sewage lines in the São Paulo metropolitan 
region are more deteriorated than those of the Regional Systems.  To counter the effects of deterioration, we maintain an ongoing program for the maintenance 
of sewage lines intended to address anticipated fractures arising from obstructions caused by system overloads.     

Unlike  the  São  Paulo  metropolitan  region,  the  interior  region  of  São  Paulo  State  does  not  generally  suffer  obstructions  caused  by  sewage  system 
overload.  The coastal region, however, experiences obstructions in its sewage lines primarily due to infiltration of sand, especially during the rainy season in 
the summer months. In addition, the sewage coverage ratio in the coastal region is lower than in the other regions served by us, at approximately 81% as of 
December 31, 2019.  

New sewage connections are made on substantially the same basis as connections to water lines:  we assume the cost of installation for the first 20 meters 

of sewage lines from the sewage network to all customers’ sewage connections and the customer is responsible for the remaining costs. 

The following table sets forth projected new sewage connections for the periods indicated:   

São Paulo metropolitan region  
Regional Systems  
Total   

Sewage Treatment and Disposal  

2020 
162 
78 
240 

2021 
152 
88 
240 

2022 
148 
92 
240 

2023 
148 
85 
233 

2024 
148 
85 
233 

in thousands 
2020-2024 
758 
428 
1,186 

In 2019, approximately 66% and 99% of the consumer units of the sewage services used our sewage treatment system in the São Paulo metropolitan 
region and the Regional Systems, respectively, or 78% of the consumer units of our sewage services in the state of São Paulo, was connected at our treatment 
facilities and afterwards discharged into receiving water bodies such as rivers and the Atlantic Ocean, in accordance with applicable legislation.  Though we 
have not yet reached full coverage of sewage collection and treatment services in the regions where we operate, we are making efforts to reach this goal.  

We currently operate eight ocean outfalls and 561 sewage treatment facilities, of which the five largest, located in the São Paulo metropolitan region, have 

a treatment capacity of approximately 24.5 cubic meters of sewage per second.  

In the São Paulo metropolitan region, the treatment process used by most treatment facilities is the activated sludge process.   

Sewage treatment in the Regional Systems will vary according to the particularities of each area. In the interior region of São Paulo State, treatment 
consists largely of stabilization ponds. There are 489 secondary treatment facilities in the interior region of São Paulo State that have treatment capacity of 
approximately 16.7 cubic meters of sewage per second.  Similar to our disposal process for treated sewage collected in the São Paulo metropolitan region, the 
majority of sewage collected in the coastal region receives treatment and disinfection and is then discharged into rivers and also into the Atlantic Ocean through 
our ocean outfalls, in accordance with applicable legislation. We have 43 sewage treatment facilities in the coastal region.   

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We are a party to a number of legal proceedings related to environmental matters.  See “Item 8.A. Financial Statements and Other Financial Information—
Legal Proceedings.”  In addition, our capital expenditure program includes projects to increase the amount of sewage that we treat.  See “Item 4.A. History and 
Development of the Company—Capital Expenditure Program” and “Item 4.B. Business Overview—Environmental Matters—Environmental Regulation—
Sewage Requirements.” 

Sludge Disposal  

The generation of sludge is inherent to the sanitation cycle.  The treatment of water and sewage produces residue which needs to be disposed appropriately 
to prevent harm to the environment.  Sludge removed from the treatment process typically contains water and a very small proportion of solids.  We use filter 
presses, belt filter presses, drying beds and centrifugation machines, among other processes, to dewater the sludge, reducing the solid content to a range of 20% 
to 25% by the end of the treatment process. 

Currently,  the  sludge  generated  through  our  activity  goes  mainly  to  landfills  authorized  to  receive  it.   In  some  cases,  in  return,  we  treat  the  leachate 

generated in these landfills.   

Current  legislation  and  the  population  at  large  demand  advances  in  the  search  for  alternative  technologies  that  minimize  the  generation  of  and  find 
beneficial  uses  for  sludge.   In  light  of  these  demands,  we  work  on  several  fronts,  seeking  innovative  approaches  to  the  destination  and  final  disposal  of 
sludge.  For instance, since 2018 we produce an agricultural organic fertilizer in the municipality of Botucatu, Sabesfértil, which is produced by biodrying 
sewage sludge.  This project was approved by the Ministry of Agriculture and allows for the sale of such fertilizer. 

Additionally, using financing from Funding Authority for Studies and Projects (Financiadora de Estudos e Projetos, or FINEP), we are also developing 
two other projects.  The first project uses a plasma gasification system that uses specialist technology to transform sludge from sewage treatment plants into a 
solid vitreous product, weighing 5% of its initial weight, which can be re-used in construction work.  The second project consists of a sludge dryer that uses 
sunlight and highly automated processes, resulting in a final product that weighs 25% of its initial weight. 

Sludge disposal must comply with State and Federal law requirements, such as Federal Law No. 12,305/2010, regulated by Federal Decree No. 7,404/2010, 
State Law No. 12,300/2006, regulated by and State Decree No. 54,645/2009, and Resolution No. 375/2006 of the CONAMA. Our technical staff participate 
into different thematic groups of the sanitation sector, which contributes to the technical improvement of the regulations which apply to the use and appropriate 
disposal of the waste. 

Principal Markets in Which We Operate 

As of December 31, 2019, we operated water and sewage systems in 372 of the 645 municipalities in the state of São Paulo.  In addition, we supplied 

water on a wholesale basis to three municipalities located in the São Paulo metropolitan region with a total population of approximately 1.0 million people.  

The following table provides a breakdown of gross revenues from sanitation services by geographic market for the years indicated: 

São Paulo metropolitan region  
Regional Systems  
Total   

Competition 

2019 

11,849.8 
4,284.3 
16,134.1 

Year ended December 31, 
2017 
2018 
(in millions of R$)  

10,295.5 
3,958.1 
14,253.6 

8,636.9 
3,586.8 
12,223.7 

In 2019, there were 273 municipalities operating their own water and sewage systems in the state of São Paulo, with a total population of approximately 

14.7 million, or approximately 33.1% of the population of the state. 

The competition for municipal concessions arises mainly from the municipalities, as they may resume the water and sewage services that were granted to 
us  and  start  providing  these  services  directly  to  the  local  population.   In  this  case,  the  municipal  governments  would  be  required  to  indemnify  us  for  the 
unamortized portion of our investment. See “—Risk Factors—Risks Relating to Our Business—Municipalities may terminate our concessions before they 
expire in certain circumstances.  The indemnification payments we receive in such cases may be less than the value of the investments we made, or may be 
paid over an extended period, adversely affecting our business, financial condition or results of operations.” In the past, municipal governments have terminated 
our concessions agreements before the expiration date. Furthermore, municipal governments have tried to expropriate our assets in an attempt to resume the 
provision of water and sewage services to local populations.  See “Item 8.A. Financial Statements and Other Financial Information—Legal Proceedings.” We 
negotiate expired concession agreements and concession agreements close to expiration with the municipalities in an attempt to maintain our existing areas of 
operations.  In the state of São Paulo, we face competition from private and municipal water and sewage service providers. 

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In recent years, we have also experienced an increasing level of competition in the market of water supply, including to residential condominiums and 
non-residential customers.  Several large industrial customers located in municipalities we serve use their own wells to meet their water needs.  In addition, 
competition for the disposal of non-residential, commercial and industrial sludge in the São Paulo metropolitan region has increased in recent years as private 
companies offer stand-alone water treatment solutions inside the facilities of their customers.  We have also established new tariff schedules for commercial 
and industrial customers in order to assist us in retaining these customers under demand or take-or-pay contracts. On December 31, 2019 we had 558 take-or-
pay contracts.  For more information on Take-or-pay Contracts see “—Tariff Structure—Fixed Demand Agreements (Take-or Pay).” 

Billing Procedures 

The procedure for billing and payment of our water and sewage services is largely the same for all customer categories. Water and sewage bills are based 
on water usage determined by monthly water meter readings.  Larger customers, however, have their meters read every 15 days to monitor consumption and 
thus avoid water losses resulting from leakages.  Sewage billing is included as part of the water bill and is based on the water meter reading. 

We monitor water meter readings by use of hand held computers and transmitters.  The system allows the meter reader to input the gauge levels on the 
meters into the computer and automatically print the bill for the customer.  The hand held computer tracks water consumption usage at each metered location 
and prepares bills based on actual meter readings.  Part of the water meter monitoring for billing purposes is carried out by our own personnel, which are trained 
and supervised by us, and part of it is carried out by third party contractors that employ and train their own personnel whose training we supervise. 

The majority of the bills for water and sewage services are delivered to our customers in person, mainly through independent contractors who are also 
responsible for reading water meters, although a proportion of clients elected, for convenience purposes, to receive their bill through regular mail.  Water and 
sewage bills can be paid at certain banks and other locations in the state of São Paulo.  These funds are paid over to us after deducting average banking fees 
ranging from R$0.29 to R$1.41 per transaction for collection and remittance of these payments. Customers must pay their water and sewage bills by the due 
date if they wish to avoid paying a fine.  We generally charge a penalty fee and interest on late bill payments.  In 2019, 2018 and 2017, we received payment 
of 93.7%, 93.8% and 94.1%, respectively, of the amount billed to our retail customers, and 93.7%, 93.8% and 94.1%, respectively, of the amount billed to 
those customers other than State entities, within 30 days after the due date.  In 2019, 2018 and 2017, we received 99.6%, 99.4% and 99.2%, respectively, of 
the amount billed to the State entities. 

With respect to wholesale supply, in 2019, 2018 and 2017, we received payment of 34.7%, 38.5% and 66.6%, respectively, of the amount billed within 
30 days. The reason for the reduction in the payments received within 30 days over the last three years is due to the fact that our bills for the municipalities of 
Guarulhos and Santo André are no longer included as part of this calculation as we have now signed contracts with those municipalities.  Prior to the signing 
of those contracts, they were included in this calculation as it includes court ordered payments.  

Tariffs  

Tariff adjustments follow the guidelines established by the Basic Sanitation Law and ARSESP regulations.  The guidelines also establish procedural steps 
and the terms for the annual adjustments.  The adjustments have to be announced 30 days prior to the effective date of the new tariffs.  Pursuant to the most 
recent tariff revision, both the base date and future adjustments take place in April. Tariffs have historically been adjusted once a year and for periods of at 
least  12 months.   See  “—Government  Regulations  Applicable  to  our  Contracts—Tariff  Regulation in  the  State  of  São  Paulo”  for  additional  information 
regarding our tariffs. 

With the publication of the Basic Sanitation Law, Federal Law No. 11,445/2007, states have been required to establish independent regulators responsible 
for the regulation of basic sanitation services, including tariff regulation.  To exercise this assignment, the State of São Paulo enacted State Supplementary Law 
No. 1,025/2007, that established ARSESP, which regulates and supervises the services we provide to the State and also to the municipalities that have agreed 
to its jurisdiction.  The guidelines by which we readjust our tariffs are defined pursuant to State Decree No. 41,446/1996, which were ratified by Federal Law 
No. 11,445/2007 and regulated by resolutions issued by ARSESP. 

In regard to municipalities that have not explicitly selected ARSESP as their regulator, the Basic Sanitation Law allows the municipality to create other 

regulatory agencies of their own.   

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In 2011, the municipalities located in the hydrographic basins of the Piracicaba, Capivari and Jundiaí rivers created a consortium known as ARES/PCJ to 
regulate and supervise our activities in those areas. As a result of the creation of the ARES/PCJ, we were involved in legal proceedings in which ARES/PCJ is 
claiming that it has jurisdiction over the regulation and supervision of our activities in four municipalities (Piracaia, Mombuca, Santa Maria da Serra and Águas 
de São Pedro). In 2016 we obtained a definitive favorable decision in the Piracaia proceeding and in 2018, we obtained a definitive favorable decision in the 
Mombuca and Santa Maria da Serra proceedings.  In 2019, the case involving Águas de São Pedro was dismissed, given that the municipality requested its 
removal from ARES/PCJ, after which the lawsuit lost its object-matter.   

In November 2013 the Regulatory Agency of São Bernardo do Campo was created.  However, when the contract was signed with the municipality of São 
Bernardo do Campo in 2019 the regulation and supervision of services were delegated to ARSESP.  Furthermore, regional and municipal agencies may continue 
to  be  created  and  may  dispute  with  ARSESP  regarding  the  regulation  and  oversight  of  our  services.   See  “Item 3.D.  Risk  Factor—Risks  Relating  to  Our 
Business—Current regulatory uncertainty, especially with regard to implementation and interpretation of the Brazilian Basic Sanitation Law, may have an 
adverse effect on our business, financial condition or results of operations.”  

Tariff Readjustment and Revisions 

Tariff readjustment and revision are mechanisms through which tariffs may be monetarily altered.  Such mechanisms are provided for in laws, contracts 

and regulatory standards and allow the maintenance of the economic and financial balance of the concessionaire and of the concession agreement itself. 

Pursuant  to  Law  No.  11,445/2007,  revisions  may  be  ordinary  or  extraordinary.  The  ordinary  tariff  review  takes  place  every  four  years  and  aims  at 
maintaining the economic and financial balance of service provision. This review takes into account the expectations of costs, expenses, investments and market 
prices in order to preserve the financial and economic balance of the concession agreement, as was the case with our tariff revision.  This revision calculates 
the required revenue (or balance revenue), the X Factor that allows us to share productivity gains with consumers and the Q Factor, which encourages quality 
improvement. In addition, it is important to recognize all investments made during the “inter-cycle” period by the concessionaire, such as us, and to redefine 
their efficient operating costs according to the evolution of other distributors and the rate of return (WACC) according to the country’s socioeconomic scenario. 

Extraordinary tariff revisions, on the other hand, may occur at any time regardless of the aforementioned readjustments and revisions if there are material 

changes in conditions that affect the financial and economic balance of the concession agreement. 

Further  to  revisions,  the  tariffs  are  annually  adjusted  in  the  years  between  periodic  tariff  reviews.  In  our  agreements,  we  use  the  IPCA  price  index 
(accumulated in 12 months), minus a productivity factor calculated in the periodic tariff review (X Factor) and, as of 2020, the adjustment of IGQ - General 
Quality Index that can be naught, positive or negative, according to the deviation between the established goal and the actual values. 

The first ordinary tariff revision took place from April 2013 to April 2016. In 2015, due to the decline in the volume of water billed due to the water crisis 
and the unpredicted increase in electricity tariffs, we requested an extraordinary tariff review from ARSESP. The request was partially accepted which resulted 
in a tariff repositioning index of 6.92%.  

The second ordinary tariff revision cycle began in April 2017 and is expected to end in April 2021. However, due to delays in the process, the revision 

was divided into two parts. The first part was completed on October 10, 2017 and the second part was completed in May 2018. 

As part of the first part of this cycle, ARSESP authorized us to apply the tariff repositioning index of 7.8888%, effective on November 10, 2017. 

On May 24, 2018, as a result of the Second Ordinary Tariff Revision, we filed: (i) an administrative appeal questioning the methodology utilized for 
applying the compensatory adjustment to revenue, electricity costs and investments made during the first tariff cycle; (ii) a request for clarification of the 
reasons leading to a significant reduction in OPEX projections for the period 2017-2020; (iii) a request to review estimates for the X Factor calculations of the 
compensatory adjustment for the delay in the application of the Second Ordinary Tariff Review; and (iv) a request to review the calculation of the financial 
component related to municipal funds, in respect of our contract with the municipality of São Paulo.   

On February 28, 2019, ARSESP published the result of the applications filed on May 24, 2018.  With regard to the administrative appeal, ARSESP decided 
not to accept its merits. Regarding the request for clarification and estimate review; ARSESP partially accepted our arguments and determined: (i) the correction 
of the X Factor, reducing it from 0.8885% to 0.6920%; and (ii) to apply a compensatory adjustment of 0.8408% to the upcoming tariff adjustment to cover: (a) 
the delay in the application of the Tariff Revision in the second cycle, specifically related to the capitalization of revenue differences after June 2018; and (b) 
an adjustment in the reference price dates adopted in the OPEX calculation, from December 2017 to April 2017. The final results of an index of 0.8408%, 
applied at the same time as the annual tariff adjustment in May 2019. 

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On April 10, 2019, ARSESP issued Resolution No. 859/2019 which authorizes us to implement a tariff readjustment of 4.7242% to the current tariffs, 
consisting of: (i) IPCA variation in the period of 4.5754%; (ii) efficiency factor (X Factor) of 0.6920%; and (iii) Compensatory adjustment of 0.8408%.  This 
tariff readjustment was applied as from May 11, 2019. 

On April 1, 2020, ARSESP issued Resolution No. 974/2020 setting out the schedule of stages for our Third Ordinary Tariff Revision, as set out in the 

table below: 

Stage  
1 

2 

3 

4 

5 

6 

7 

8 

9 

10 

11 

Description 

Presentation of historical data by us 

Publication of the 3rd Ordinary Tariff Revision methodology proposal 

Publication of Weighted Average Cost of Capital (WACC) 

Public Consultation and Public Hearing - Methodology of the 3rd Ordinary Tariff Revision 

Public Consultation and Public Hearing – WACC 

Release of Detailed Report and Final Technical Note of the methodology  

Release of WACC Detailed Report and Final Technical Note 

Receivement of our Business Plan 

Release of Preliminary Technical Note - Calculation of P0 

Public Consultation and Public Hearing - Calculation of P0 

Release of the Detailed Report, Final Technical Note and P0 Resolution 

Period 

05/14/2020 

05/14/2020 

05/14/2020 

05/15/2020  
to 
07/03/2020 

05/15/2020  
to 
07/03/2020 

07/30/2020 

07/30/2020 

10/05/2020 

01/14/2021 

01/15/2021  
to 
02/19/2021 

04/09/2021 

However, due to the COVID-19 pandemic, the deadlines for some of the stages set out above might suffer delays. 

On April 9, 2020, ARSESP issued Resolution No. 980/2020 publishing a tariff readjustment of 2.4924%, consisting of: (i) IPCA variation during the 
period of 3.3032%; (ii) efficiency factor (X Factor) of 0.6920%; and (iii) Quality Fator (Q Factor) of -0.1188%.  Due to the state of public calamity resulting 
from the COVID-19 pandemic, ARSESP postponed this readjustment for 90 days. The main provisions of the Resolution No. 980/2020 are set out below: 

•   To postpone the publication of the new tariff tables, resulting from the annual tariff adjustment to June 10, 2020; 

•   That the adjusted tariff tables will be published by June 10, 2020 and will be applied as of thirty days from their publication, pursuant to Law No. 

11,445/2007; 

•   That the compensatory adjustments for the postponement of the application of the annual tariff adjustment will be calculated until June 10, 2020; and 

•   That the amount to be compensated will be distributed in the tariffs in the period between July 10, 2020 and May 10, 2021, when the results of the 

Third Ordinary Tariff Revision will be applied. 

Further on April 9, 2020, ARSESP issued Resolution No. 979/2020, informing that it will evaluate the economic-financial balance of the provision of 
services in order to restore it in due course, if necessary, as a result of the impact of the exemption of payment of water and sewage bills for consumers in the 
“Residential Social” and “Residential Favela” categories for bills issued from April 1, 2020 for 90 days and will cover all municipalities operated by us.  

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On April 17, 2020 ARSESP published Resolutions No. 985/2020 and No. 991/2020 on the topic reduced revenues in the short term resulting from the 
COVID-19 pandemic. Resolution No. 985/2020 suspends, on an exceptional and transitory basis, from May to December 2020, the payment of the TRCF - 
Regulation, Control and Inspection Fee, paid by us. During this period, the payment we transfer to ARSESP will decrease from 0.50% to 0.25% of annual 
revenues. The postponed transfers will be monetarily adjusted and paid in 24 equal monthly installments starting in January 2021.   

Resolution No. 991/2020 provides for the postponement of the implementation of the Four-year Research and Technological Development Program for 
Innovation in Sanitation Services scheduled for May 2020 to May 2021. The value of the Authorized Amount of financial resources for the year 2020 (2017-
2020 Cycle), inflation-adjusted by the accumulated IPCA of 2020, will integrate the calculation of the Authorized Amount to be invested in 2021 and 2022.  

Regulatory Agenda 

On January 31, 2019, ARSESP published a 2019-2020 Regulatory Agenda in order to ensure transparency and participation by the society in the regulatory 

process of the Third Ordinary Tariff Revision. 

As of the date of this annual report, the following matters of this regulatory agenda have been evaluated or are under discussion through consultation and 

public hearing: 

(a)  On February 8, 2019, ARSESP published Public Consultation No. 02/2019, which aimed to obtain contributions regarding the Regulatory Criteria for 
the recognition of the tariffs for the transfers to municipal funds for environmental sanitation and infrastructure. On May 13 2019, ARSESP published: (i) 
Resolution No. 870/2019, which establishes criteria and conditions to recognize in the tariff the transfer of part of the direct revenue of the service providers, 
regulated by ARSESP to the municipal funds for basic sanitation; and (ii) a detailed report with an analysis and clarification on the contributions received 
through public consultation related to the regulation of these transfers. Within the scope of the Second Ordinary Tariff Review, the regulatory limit of 4% of 
the municipality’s operating revenue was set to pass on tariffs and if the concessionaire and the municipality decide to transfer amounts greater than 4% of the 
revenue, the surplus will not be recognized as a financial component in the tariffs and will be restricted to the municipality. In addition, for tariff recognition, 
the municipal funds for environmental sanitation and infrastructure shall be established by the service holder by an act of law, which shall specify the destination 
of the funds. 

(b)  On June 6, 2019, ARSESP published Public Consultation No. 06/2019, which aimed at discussing the methodology for calculating and application of 
the General Quality Index (Q Factor) in our tariff readjustment and revision processes, with positive or negative tariff effect in our annual adjustments. The 
table below indicates the primary targets proposed by the ARSESP for the 2020 tariff adjustment, and accepted by us, for the four indicators that make up the 
Q Factor, as approved in Resolution No. 898/2019: 

Indicator 

ILFE(1) (%) 
IDRP(2) (%) 
IRFA(3) (complaints/1,000 connections) 
IVV(4) (visible leakage/network extension) 
_____________________ 
(1)       ILFE – Index of feasible sewage connections; 
(2)       IDRP – Pavement replacement non-compliance index; 
(3)       IRFA – Customers complaints index related to lack of water and low pressure; 
(4)       IVV – Visible leakage index per network extension. 

2019 Targets 

1.12 
13.68 
28.19 
7.02 

On April 9, 2020, ARSESP issued Resolution No. 980/2020,  publishing a tariff readjustment of 2.4924%. Due to the state of public calamity as a result 

of the COVID-19 pandemic, ARSESP postponed this readjustment for 90 days. The effect of the Quality Factor (Q Factor) was -0.1188%. 

(c)  On July 17, 2019 ARSESP published Public Consultation No. 09/2019, which aimed at obtaining contributions regarding the methodology and general 
criteria for updating our Regulatory Asset Base as part of the Third Ordinary Tariff Review (OTR).  As approved in Resolution No. 941/2019, the incremental 
assets added by us in the period from July 2016 to June 2019 will be evaluated using the Original Book Value method and for the new municipalities added by 
us during the cycle the assets will evaluated by the New Replacement Value method. 

(d)  On September 2, 2019 ARSESP published the Public Consultation Notice No. 10/2019, which aimed to: (i) establish the Quadrennial Research and 
Technological  Development  Program  for  Innovation  in  Basic  Sanitation  Services  regulated  by  ARSESP,  to  regulate  the  application  of  the  0.05%  revenue 
required in Research and Technological Development projects, as defined in 2018 (the “PD&I Program”); and (ii) approve the Elaboration and Evaluation 
Manual  of  the  Quadrennial  Research  and  Technological  Development  Program  for  Innovation  in  Basic  Sanitation  Services  regulated  by  ARSESP.  These 
documents were approved in Resolution No. 920/2019 and we are required to file a portfolio of PD&I Program projects for analysis and prioritization by 
ARSESP. The Quadrennial Program was scheduled to produce tariff effect in 2020 annual adjustment. However, taking the scenario of reduced revenues in 
the short term resulting from the COVID-19 pandemic into account, ARSESP published Resolution No. 991/2020 which suspended the implementation of the 
Four-year Research and Technological Development Program for Innovation in Sanitation Services scheduled for May 2020. See “—Tariff Readjustment and 
Revisions.” 

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(e)  On February 10, 2020, ARSESP published the Public Consultation Notice No. 02/2020, which aimed at obtaining contributions regarding the proposed 
2020-2021  ARSESP  Regulatory  Agenda.  On  April  14,  2020,  ARSESP  disclosed  the  Detailed  Report  and  Resolution  No.  981/2020,  related  to  the  Public 
Consultation No. 02/2020, which establishes the 2020-2021 Regulatory Agenda. 

Due to the economic impact caused by COVID-19, in March 2020 our Board of Directors approved an exemption for customers registered as of March 
19, 2020 under the “Residential Social” and “Residential Favela” categories from paying water and sewage bills for all municipalities we serve. This exemption 
is valid for 90 days as of April 1, 2020. For more information See “—Risks Relating to Our Business — Our financial and operating performance may be 
adversely affected by epidemics, natural disasters and other catastrophes, such as the recent outbreak of COVID-19.” 

Tariff Structure 

Our current tariff structure is based on the tariff regulation approved by State Decree No. 41,446/1996, and is divided into two categories:  residential and 
non-residential.  The residential category is subdivided into standard residential, residential-social and shantytown (favela).  The residential-social tariffs apply 
to  residences  of low-income  families,  residences of  persons  unemployed  for  up  to  12 months and collective  living  residences.   The  favela tariffs  apply  to 
residences in shantytowns characterized by a lack of urban infrastructure.  The latter two sub-categories were instituted to assist lower-income customers by 
providing lower tariffs for consumption.  The non-residential category consists of:  (i) commercial, industrial and public customers; (ii) non-profit entities that 
pay 50.0% of the prevailing non-residential tariff; (iii) government entities that adhere to the Rational Use of Water Program (Programa de Uso Racional da 
Água  – PURA)  pay 75.0% of the prevailing non-residential tariff; and (iv) public entities that have entered into program agreements, for municipalities with 
a population of up to 30.0 thousand and with half or more classified according to their degree of social vulnerability by the Social Vulnerability Index of São 
Paulo (Índice Paulista de Vulnerabilidade Social) 5 and 6, of the SEADE, obtained through the analysis of the 2000 Census figures, and start to receive tariff 
benefits,  in  accordance  with  our  normative  ruling,  for  the  category  of  public  use,  at  the  municipality  level.   The  tariffs  are  equal  to  those  offered  to  the 
commercial/entity of social assistance and that corresponds to 50.0% of the public tariffs without contractual provisions referred to in item (iv) above.  

There are tables with the values due for each consumption band for the abovementioned categories: up to 10 m³, from 11 to 20 m³, from 21 to 50 m³ and 
above 50 m³.  The “Residential Social” and “Residential Favela” categories have five consumption bands: up to 10 m³, from 11 to 20 m³, from 21 to 30 m³, 31 
to 50 m³ and above 50 m³. The amount charged is always progressive. 

Large consumers and municipalities served by wholesale have separate tariff tables. 

In January 2020, ARSESP enacted Resolution No. 951/2020, ratified by the Regulatory Agenda 2020-2021, which established regulatory guidelines and 

the schedule for the new tariff structure, which will be completed in December 2020. 

Fixed Demand Agreements (Take-or-Pay) 

We established a new tariff schedule, effective May 2002, for commercial and industrial customers that consume at least 5 thousand cubic meters of water 
per  month  and  that  enter  into  fixed  demand  agreements  (take-or-pay)  with  us  for  at  least  one-year  terms,  with  the  aim  of  retaining  these  industrial  and 
commercial customers.  In October 2007, the minimum volume for entering into these agreements was reduced from 5 thousand cubic meters per month to 3 
thousand cubic meters per month.  We believe this tariff schedule will help prevent our commercial and industrial customers from switching to the use of 
private wells.  Since 2008, we have been authorized by ARSESP to establish tariffs for non-residential customers, such as industrial and commercial customers, 
that consume more than 3 thousand cubic meters per month, with a maximum tariff equal to the tariffs applicable to non-residential customers that consume 
more than 50 cubic meters per month.  In 2010, ARSESP authorized a reduction in the minimum volume of consumption for customers that enter into fixed 
demand agreements with us to a minimum of 500 cubic meters per month.   

In May 2016, we reinitiated the fixed demand requirement, and the volumes of those contracts were revised according to clients’ new consumption profiles. 

On December 31, 2019 we had 558 contracts.  For more information about the water crisis, see “—The 2014-2015 Water Crisis.” 

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On November 2, 2018, ARSESP published Resolution No. 818/2018 which provides the criteria for the execution and inspection of contracts for the 
supply of water and sewage services for large users of non-residential use categories, governing the conclusion of new contracts and adjusting existing contracts 
to the new rules. 

The ARSESP Resolution No. 818/2018 consolidates all the regulatory guidelines for the execution of contracts with large users, as well as establishing a 
system for the homologation of standard contracts setting out the transition rules for contracts already in force and determines the minimum and maximum 
limits for the fees that may be charged.  Additionally, this resolution allows ARSESP to amend such contracts, in case of a restriction of the water supply, and 
require mandatory disclosure of the contracts, as well as the results of their inspections, on the website of the provider.    

Water and sewage services tariffs 

We establish separate tariff schedules for our services in each of the São Paulo metropolitan regions and each of the interior region of São Paulo State and 
coastal regions which comprise our Regional Systems, depending upon whether a customer is located in the São Paulo metropolitan region or the Regional 
Systems.  Each  tariff  schedule  incorporates  regional  cross-subsidies,  taking  into  account  the  customers’  type  and  volume  of  consumption. Tariffs  paid  by 
customers with high monthly water consumption rates exceed our costs of providing water service.  We use the excess tariff billed to high-volume customers 
to  compensate  for  the  lower  tariffs  paid  by  low-volume  customers. Similarly,  tariffs  for  non-residential  customers  are  established  at  levels  that  subsidize 
residential customers.  In addition, the tariffs for the São Paulo metropolitan region generally are higher than tariffs in the interior region of São Paulo State 
and coastal regions. In 2019, 2018 and 2017, the average tariff calculated for the Regional Systems was approximately 22% below the average tariff of the São 
Paulo metropolitan region. Considering the current tariff  structure we expect approximately 22% for 2020. 

Sewage charges in each region are fixed and are based on the same volume of water charged.  In the São Paulo metropolitan region and the coastal region, 
the  sewage  tariffs  are  equal  to  the  water  tariffs.   In  the  majority  of  the  municipalities  of  the  interior  region  of  the  State  of  São  Paulo,  sewage  tariffs  are 
approximately 20.0% lower than water tariffs.  Wholesale water rates are the same for all municipalities served.  We also make available sewage treatment 
services to those municipalities in line with the applicable contracts and tariffs.  In addition, various industrial customers pay an additional sewage charge, 
depending on the characteristics of the sewage they produce.  Each category and class of customer pays tariffs according to the volume of water consumed.  The 
tariff paid by a certain category and class of customer increases progressively according to the increase in the volume of water consumed.  The first category 
(0-10) corresponds to the minimum fee that is charged to our customers for the consumption of water.  The following table sets forth the water and sewage 
services tariffs by (i) customer category and class; and (ii) volume of water consumed, charged in cubic meters during the years and period stated in the São 
Paulo metropolitan region: 

Customer Category Consumption  

Residential 
Standard Residential: 
0-10(1) 
11-20 
21-50 
Above 50 
Social: 
0-10(1) 
11-20 
21-30 
31-50 
Above 50 
Shantytown  (favela): 
0-10(1) 
11-20 
21-30 
31-50 
Above 50 
Non-Residential 
Commercial/Industrial/Governmental: 
0-10(1) 
11-20 
21-50 
Above 50 
Social Welfare Entities: 
0-10(1) 
11-20 
21-50 
Above 50 
Government entities that employ the Rational Use of Water Program (Programa de Uso Racional 
da Água  – PURA), with reduction agreement: 
0-10(1) 
11-20 
21-50 
Above 50 

 (1)        The minimum volume charged is for ten cubic meters per month. 

As of May 11, 
2019 

As of June 9,  
2018 

As of Nov 10,  
2017 
(reais per m3) 

2.62 
4.10 
10.23 
11.27 

0.89 
1.53 
5.43 
7.74 
8.55 

0.68 
0.77 
2.56 
7.74 
8.55 

5.26 
10.23 
19.60 
20.42 

2.63 
5.11 
9.84 
10.22 

3.94 
7.66 
14.74 
15.32 

2.50 
3.91 
9.77 
10.76 

0.85 
1.46 
5.19 
7.39 
8.17 

0.65 
0.73 
2.44 
7.39 
8.17 

50.20 
9.77 
18.71 
19.50 

2.51 
4.88 
9.40 
9.76 

3.76 
7.32 
14.08 
14.63 

2.42 
3.78 
9.44 
10.40 

0.82 
1.41 
5.01 
7.14 
7.89 

0.63 
0.71 
2.36 
7.14 
7.89 

4.85 
9.44 
18.08 
18.84 

2.42 
4.71 
9.08 
9.43 

3.63 
7.07 
13.60 
14.13 

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On  April  11,  2016,  ARSESP  issued  Resolution No.  643/2016, which  authorizes  us  to  implement  an  8.4478% tariff adjustment to  our  current  tariffs, 

effective on May 12, 2016. 

On October 10, 2017, ARSESP issued Resolution No. 753/2017, which authorizes us to implement a 7.8888% repositioning index to our current tariffs, 

effective on November 10, 2017.   

On November 10, 2017, we started to charge our customers  the Regulatory, Control and Inspection Fee (Taxa de Regulação, Controle e Fiscalização, or 
TRCF) by including a 0.5% fee in customer bills in the municipalities regulated by ARSESP, pursuant to Paragraph 2 of Article 2 of ARSESP Resolution No. 
406/2013. This fee was initially established by the State Supplementary Law No. 1.025/2007.  

On  May  9,  2018,  ARSESP  issued  Resolution  No.  794/2018,  which  authorizes  us  to  implement  a  3.5070%  repositioning  index  to  our  current  tariffs, 

effective on June 9, 2018. 

On April 10, 2019, ARSESP issued Resolution No. 859/2019 which authorizes us to implement a tariff readjustment of 4.7242% to the current tariffs, 
which consists of: (i) IPCA variation in the effective period of 4.5754%; and (ii) efficiency factor (X Factor) of 0.6920%; and (iii) Compensatory adjustment 
of 0.8408%.  This tariff readjustment was effective as from May 11, 2019. 

On April 9, 2020, ARSESP issued Resolution No. 980/2020 publishing a tariff readjustment of 2.4924%, consisting of: (i) IPCA variation in the period 
of 3.3032%; (ii) efficiency factor (X Factor) of 0.6920%; and (iii) Quality fator (Q Factor) of -0.1188%. Due to the state of public calamity resulting from the 
COVID-19 pandemic, ARSESP decided to postpone it for 90 days.  See “—Tariff Readjustment and Revisions.” 

Other ARSESP Regulations 

In 2009, ARSESP enacted rules regarding the following: (i) general terms and conditions for water and sewage services; (ii) procedures for communication 
regarding any failure in our services; (iii) penalties for deficiencies in the provision of basic sanitation services; and (iv) procedures for confidential treatment 
of  our  customers’  private  information.   The  implementation  of  these  and  other  more  recent  rules  will  particularly  impact  our  commercial  and  operational 
processes, and may adversely affect us in ways we cannot currently predict.  Implementation of these rules started in 2011 and is expected to continue for the 
next few years. 

In 2011, ARSESP altered the standard contract that we are required to use in our relationships with retail customers.  This alteration requires that invoices 
be sent to the user of the service rather than the owner of the property. Currently, more than 90% of our water and sewage connections are billed to the user of 
our services, as foreseen under current regulations. Related to the collection of debt, we are also faced with the challenge of collecting customers’ taxpayer 
identification numbers, which are required to register for our services and are needed for the judicial collection of outstanding fees in the event of nonpayment. 
We continuously update our customers’ registration information, but we face difficulties in updating this information in areas with high concentrations of social 
vulnerability and noncompliance. 

In  August 2012,  ARSESP  issued  Resolution  No. 346/2012,  which  established  that  users  should  be  compensated  for  any  interruptions  in  water 

supply.  However, this regulation has been suspended until the date of this annual report. 

Government Regulations Applicable to our Contracts 

Basic sanitation services in Brazil are subject to extensive federal, state and local legislation and regulation that, among other matters, regulates:  

•   the development of public-private partnerships, or PPPs; 

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•   the need of a public bidding process for the appointment of water and sewage services providers via concession agreements; 

•   the need of setting up an agreement for the appointment of public water and sewage services providers;   

•   the joint management of public services through cooperation agreements, allowing for a program agreement without the need for a public bidding 

process for the service provider; 

•   the planning, regulation and inspection of basic sanitation services prohibited by service providers; 

•   minimum requirements for water and sewage services; 

•   water usage; 

•   water quality and environmental protection; and 

•   governmental restrictions on the incurrence of debt applicable to state-controlled companies. 

PLANASA  

Until 1970, Brazil’s sanitation sector mainly consisted of small-scale projects, the absence of a standardized tariff system and shortage of financial, human 

and technical resources. 

The National Plan of Basic Sanitation (Plano Nacional de Saneamento Básico), or “PLANASA” was created in 1971, aiming to provide universal access 
to sanitation services in urban areas and to establish an adequate tariff policy, among other things. Afterwards, SABESP was created under State Law No. 
119/1973 as a mixed capital company to provide basic sanitation services in the state of São Paulo while also acknowledging the autonomy of the municipalities 
within the State.  

Pursuant to the Brazilian Constitution, the authority to develop and provide public water and sewage services are the joint responsibility of the federal 
government, the states and the municipalities.  Article 216 of the Constitution of the State of São Paulo establishes that the State must provide the conditions 
for  the  efficient management and  adequate expansion  of  water  and  sewage  services  rendered  by its  agencies and  State-controlled  companies  or any  other 
concessionaire under its control.   

Pursuant to Article 175 of the Brazilian Constitution, the rendering of public services, such as water and sewage services, is the responsibility of the 
applicable public authority.  However, any such public authority has the right to render these services directly or through a concession granted to a third party 
after a bidding process.  

Additionally, Article 241 of the Brazilian Constitution establishes the legal regime for managing the rendering of public services among different federal, 
state and municipal government entities, including the total or partial transfer among these entities of fees, services, personnel and essential goods needed to 
render such public services. For example, such service can be rendered through a public consortium or a cooperation agreement under Federal Law No. 11,107 
of April 6, 2005, also known as the Law on Public Consortia and Cooperation Agreements (Lei de Consórcios Públicos e Convênio de Cooperação), which, 
in turn, created a program contract which allowed for the waiver of the bidding process for companies like ours. 

PLANASA was the first attempt to outline long-term universalization targets for water and sewage services, but it was discontinued in 1986. 

The Basic Sanitation Law 

Until 2007, the sanitation sector was predominantly self-regulated by the service providers and tariffs were determined by direct negotiation between state 

and municipal governments and companies. 

The Basic Sanitation Law No. 11,445/2007 went into effect on January 5, 2007, effectively revoking and substituting the PLANASA model, establishing 
nationwide  guidelines  for  basic  sanitation  and  seeking  to  create  the  appropriate  solutions  for  the  provision  of  basic  sanitation  considering  the  particular 
conditions  in  each  state  and  municipality.   The  Basic  Sanitation  Law  also  sought  to  facilitate  the  cooperation  between  the  state  and  municipalities  in  the 
rendering of public services.   

The Basic Sanitation Law establishes the following guiding principles for the public service of basic sanitation:  universalization, integrality, efficiency 
and economic sustainability, transparency of actions, social control and integration of infrastructure and services with the management of water resources.  It 
does not define the ownership of the sanitation services, but establishes certain minimum liability thresholds, such as the development of local and regional 
sanitation  plans,  the  need  to  create  norms  for  the  regulation  and  supervision  of  services,  the  creation  of  the  entities  responsible  for  such  regulation  and 
establishment of the rights and obligations of the users and of social control mechanisms, in addition to the principles listed below: 

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•   for public-private partnership contracts (or program contracts), public hearings must be held with respect to bid announcements; 

•   the carrying out of technical and financial feasibility studies; 

•   the holding of public hearings regarding concession bidding notices and contract drafts; 

•   the  rights  and  obligations  of  customers  and  service  providers,  including  penalties,  are  determined  by  the  owner  of  the  public  service,  not  by  the 

regulatory agency (since its function is to ensure full compliance of legislative and contractual conditions); 

•   the regulatory agency’s function is to ensure compliance with the law and with the contractual conditions; 

•   the technical and financial viability of the provision of water and sewage services; 

•   the interruption of the provision of sanitation services by the service provider in the event of a default of payment of the tariffs by the customer, among 

other reasons, provided that mimimum conditions for maintaining health are assured; 

•   when parts of a regulated service are to be provided by different service providers, those providers must execute an agreement regulating their respective 

activities;  

•   the definition of principles and guidelines which must be respected when securing public funds generated or operated by agencies or entities of the 

federal government; 

•   the possibility of using subsidies as an instrument of social policy in order to ensure access to basic sanitation services to everyone, particularly for 

low-income families; and 

•   the obligation to adopt environmental criteria that include, among other measures, individual management of water consumption per habitation unit.  

By establishing the principles listed above, the Basic Sanitation Law defines the laws and regulations under which a water and basic sanitation provider 
may provide its services to several regions controlled by different owners (i.e., one single provider serves two or more owners, for which there may be one plan 
for the combination of services). 

The  rules  for  implementation  of  the  new  principles  and  directives  set  forth  in  Federal  Law  No.  11,445/2007  are  established  by  Federal  Decree  No. 
7,217/2010, dated June 21, 2010 (as modified, among others, by Federal Decree No. 10,203/2020), which  implemented a series of new principles under the 
Basic Sanitation Law in 2010, the full implementation of a number of its provisions remains subject to regulations that the federal government has not yet 
published. 

In addition, the Basic Sanitation Law defines the rules for the delegation of the regulation, control and monitoring of sanitation services by the states and 
municipalities to contracted parties and the conditions for any such provision of public services. The Basic Sanitation Law also significantly amends Article 42 
of the Federal Concessions Law No. 8,987/1995, which establishes the administrative proceedings necessary for the termination of concessions prior to the 
expiration date and the reversibility conditions for unamortized investments that create assets upon the termination of a concession.  The amendment to Article 
42 establishes that when a concession is terminated prior to its expiration date, the service provider must be indemnified for unamortized investments that 
create assets, preferably through an amicable settlement between the parties defining the criteria for the calculation and payments of indemnity.  

Furthermore, the Basic Sanitation Law also provides that the provision of sanitation services may be interrupted by the service provider, in the event of a 
default of payment of the tariffs by the customer, among other reasons.  The provision of sanitation services may only be interrupted after a written notice, and 
as long as minimum health requirements are met.   

The Basic Sanitation Law defines the criteria for the reversal of assets at the time of termination of the water and sewage public service contract, which 
term also encompasses concession agreements such as those that have expired or are effective for an indefinite term, or those that were not formalized by an 
agreement.  In addition, the Basic Sanitation Law provides the criteria for calculating the amount of an indemnity due, which may be calculated by a specialized 
institution chosen by mutual agreement between the parties in a formal payment agreement. 

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Pursuant to the Basic Sanitation Law, the parties involved in a concession may enter into an agreement with respect to the payment of the indemnification 
due to the concessionaire.  However, in the absence of an agreement, the Basic Sanitation Law establishes that the indemnification must be paid in no more 
than four equal and successive annual installments, with the first installment payable by the last business day of the fiscal year in which the assets are reversed. 
The provision of public services will remain valid until the conclusion of any administrative measures undertaken by the entity responsible for such services. 

According to the Basic Sanitation Law, the existing concession or water and sewage public service contract will remain in effect until the responsible 

public entity concludes the administrative proceedings necessary for termination. 

The Basic Sanitation Law provides that our new water and sewage public service contracts must be planned, supervised and regulated by the municipalities 
together with the State under a new model of associated management that will allow for better control, supervision, transparency and efficiency in the provision 
of public services.  

National Plan for Basic Sanitation (PLANSAB) 

The National Plan for Basic Sanitation (PLANSAB) is an instrument of the public sanitation project established by the Basic Sanitation Law, with an 
expected duration of 20 years. The plan contains a diagnosis of Brazil’s basic sanitation infrastructure divided into four segments: (i) coverage deficits, (ii) a 
government  program,  (iii)  investments  made  and  (iv)  political  and  institutional  aspects.   The  program  also  provides  estimates  for  investments  to  achieve 
coverage targets. 

Short, medium and long-term objectives were prepared for 2018, 2023 and 2033, respectively, based on the historical evolution and current water and 

sewage infrastructure. 

Ever since (i) the issuance of Provisional Measure No. 844/2018 in July 2018 (which expired in November 2018 without being converted into law) and 
(ii) the issuance of Provisional Measure No. 868/2018, on December 28, 2018 (which expired in June 2019 without being converted into law), there have been 
efforts by both the Executive and Legislative powers to amend the Basic Sanitation Law No. 11,445/2007 and Law No. 9,984/2000, which will attribute the 
National  Water  Agency  the  capacity  to  establish  national  reference  rules  on  sanitation  services  and  exclude  the  possibility  of  contracting  new  program 
agreements, among other relevant changes to the sector. In December 2019, Bill No. 3,261/2019 was submitted before the Chamber of Deputies. In the same 
month of 2019, the Chamber of Deputies approved Bill No. 4,162/2019, which replaced Bill No. 3,261/2019, and submitted it for approval by the Senate. The 
amendment of the Basic Sanitation Law could have a material adverse effect on our business, results of operations and financial condition. See “Item 3.D. Risk 
Factor—Risks Relating to Our Business—Current regulatory uncertainty, especially with regard to implementation and interpretation of the Brazilian Basic 
Sanitation Law, may have an adverse effect on our business, financial condition or results of operations.” 

Contracts for the Provision of Essential Basic Sanitation Services in Brazil 

In Brazil, there are three federal legal regimes for contracting water and sewage services:  (i) public concessions, regulated by Law No. 8,987/1995, which 
require a prior public bidding process; (ii) administration of public services through cooperation agreements between the federal government and local public 
authorities at State and municipal level without the need for a public bidding process, regulated by the Public Consortia and Cooperation Agreement Law No. 
11,107/2005; and (iii)  PPPs regulated by Law No. 11,079/2004, used to grant concessions to private companies to provide public services and used in relation 
to construction works associated with the provision of public services.   

The Federal Concessions Law No. 8,987/1995 and the State Concessions Law No. 7,835/1992 require that the granting of a concession by the government 
be preceded by a public bidding process.  However, the Federal Public Bidding Law No. 8,666/1993, which establishes the rules for the public bidding process, 
provides that a public bidding process can be waived under certain circumstances, including in the case of services to be provided by a public entity created for 
such  specific  purpose  on  a  date  prior  to  the  effectiveness  of  this  law,  provided  that  the  contracted  price  is  compatible  with  what  is  practiced  in  the 
market.  Furthermore, a provision of the Federal Public Bidding Law, as amended by the Public Consortia and Cooperation Agreement Law, provides that the 
program agreement can be executed with waiver of a public bidding process. 

The Constitution of the State of São Paulo provides that the State shall ensure the adequate provision and efficient administration of water and sewage 

services in the state territory by a company under its control, such as our company. 

Our Concession Agreements 

From 1998 to 2005, our contracts with municipalities have been regulated by the Federal Concessions Law No. 8,987/1995.  Generally, these contracts 
have a 30-year term, and the total value of the concession is set by the discounted cash flow method.  Under this method, when the expected contractual cash 
flow is reached, the total value of the concession and assets is amortized to zero on our books and we receive no payment for the assets.  If the concession is 
terminated prior to the end of the 30-year term, thereby interrupting the normal contractual cash flow, we are paid an amount equal to the present value of the 
expected cash flow over the years remaining in the concession, adjusted for inflation. 

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Concessions for providing water and sewage services are formalized by agreements executed between the state or municipality, as the case may be, and a 
concessionaire to which the performance of these services is granted in a given municipality or region.  Our concessions normally have a contractual term of 
up to 30 years.  However, our concessions in general can be revoked unilaterally at any time if certain standards of quality and safety are not met, in the event 
of default of the terms of the concession agreement, or due to changes in public interest since the concession was granted.   

A municipality that chooses to assume the direct control of its water and sewage services must terminate the current relationship by duly compensating 
the service provider and the investments unamortized.  Subsequently, the municipality will be in charge of rendering services or of conducting a public bidding 
process to grant the concession to potential concessionaires, including agreements with public companies directly.  The Basic Sanitation Law reduced the 
maximum  time  period  for  payment  of  indemnification  in  such  cases  to  four  years.   See  “Item 3.D.  Risk  Factors—Risks  Relating  to  Our  Business—
Municipalities may terminate our concessions before they expire in certain circumstances.  The indemnification payments we receive in such cases may be less 
than the value of the investments we made.” 

Program Agreements  

On April 6, 2005, the federal government enacted Federal Law No. 11,107/2005, or the Federal Public Consortia and Cooperation Agreement Law, which 
regulates Article 241 of the Brazilian Constitution.  This statute provides general principles to be observed when a public consortium enters into contracts with 
the Brazilian federal government, state governments, the Federal District and municipalities, regulating the joint management of public services.  

Federal Law No. 11,107/2005 introduces significant changes in the relationship among municipalities, states and companies providing public sanitation 
services, prohibiting the latter from exercising the activities of planning, oversight and regulation, including tariff regulation, of the services.  The law also 
created the program agreement, a contract to be followed when Brazilian states and municipalities enter into agreements for the provision of public services 
with  mixed  capital  companies.   The  program  agreement  provides  the  guidelines  for  the  joint  management  of  public  services  by  Brazilian  states  and 
municipalities with mixed capital companies.  Furthermore, this agreement allows states and municipalities to waiver the public bidding process and still be in 
compliance with concession legislation when entering into contracts with entities that are owned by the Brazilian states or municipalities. 

Federal Decree No. 6,017/2007 details the conditions for the establishment of joint management entities and the execution of the program agreement 

regulating the Public Consortia and Cooperation Agreement Law.   

Pursuant to the Brazilian Constitution, in metropolitan regions, urban conurbations and microregions, the authority to develop public water and sewage 
systems is shared by the states and municipalities.  However, for municipalities which are not a part of the types of regions cited above (metropolitan regions, 
urban conurbations and microregions), the primary responsibility for providing water and sewage services to residents rests with the municipality.   

The Constitution of the State of São Paulo provides that the State shall assure the correct operation, necessary expansion and efficient administration of 
water and sewage services in the state of São Paulo by a company under its control.  On January 13, 2006, the Governor of the State of São Paulo enacted State 
Decree  No. 50,470/2006,  amended  by  State  Decrees  No. 52,020/2007,  dated  July 30,  2007,  and  No. 53,192/2008,  dated  July 1,  2008,  which  regulate  the 
provision of water and sewage services in the State of São Paulo.  Pursuant to these decrees, we may enter into agreements with municipalities in connection 
with the provision of water and sewage services by means of a “program agreement without a public bidding process.”  In addition, these decrees established 
that we will continue to render services in the areas covered by the concession granted by the State.  Following the entry into force of the Public Consortia and 
Cooperation Agreements Law, we adopted the administration of public services through cooperation agreements and program agreement which can be used 
simultaneously.   

Public-Private Partnerships 

Public-Private Partnerships, or “PPPs,” are long-term contracts between private parties and government entities, for providing a public asset or service, in 
which the private parties bears significant risk and management responsibility, and remuneration is linked to performance.  PPPs are regulated by the State of 
São Paulo through Law No. 11,688/2004, which was enacted on May 19, 2004.  PPPs may be used for:  (i) implantation, expansion, improvement, reform, 
maintenance or management of public infrastructure; (ii) provision of public services; and (iii) exploitation of public assets and non-material rights belonging 
to the State. 

Payment  is  conditioned  upon  performance.   The  payment  may  be  collected  through:   (i) tariffs  paid  by  users;  (ii) use  of  resources  from  the  budget; 
(iii) assignment of credits belonging to the State; (iv) transfer of rights related to the commercial exploitation of public assets; (v) transfer of real property and 
other property of assets; (vi)  public debts securities; and (vii) other revenues. 

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We do not currently provide any basic sanitation services to municipalities through PPPs. 

Agreements with Municipalities and Metropolitan Regions  

The state of São Paulo, pursuant to Article No. 25, Paragraph 3 of the Brazilian Constitution, enacted the State Supplementary Law, or “LCE,” to create 
the metropolitan regions of São Paulo (LCE No. 94/1974), Baixada Santista (LCE No. 815/1996), Campinas (LCE No. 870/2000), Vale do Paraíba and Litoral 
Norte  (LCE  No. 1,166/2012),  Sorocaba  No. (LCE  No. 1,241/2014)  and  Ribeirão  Preto  (LCE  1,290/2016),  and  the  urban  clusters  of  Jundiaí  (LCE 
No. 1,146/2011), Piracicaba (LCE No. 1,178/2012) and Franca (LCE No. 1,323/2018).  

Pursuant to the Brazilian Constitution, in metropolitan regions, urban conurbations and microregions, the authority to develop public water and sewage 
systems is shared by the states and municipalities.  However, for municipalities which are not a part of the types of regions cited above (metropolitan regions, 
urban conurbations and microregions), the primary responsibility for providing water and sewage services to residents rests with the municipality. 

We provide basic sanitation services for municipalities, urban conurbations and metropolitan regions.  In these municipalities, operations are regionalized 
and contracts are structured considering the financial and economic conditions of the entire region.  The regulation including taxes, control and oversight are 
the responsibilities of ARSESP (State Supplementary Law 1,025/2007 – Articles No. 6 and No. 10). With regard to local operations, the municipalities are 
responsible  for  providing  basic  sanitation  services.   Thus,  we  operate  through  new  contracts  executed  pursuant  to  a  legal  waiver  of  public  tender  under 
cooperation agreements between the state and municipalities which permit sharing the management of basic sanitation services.  With regard to metropolitan 
regions,  we  conduct  our  operations  based  on  state  legislation  and  contracts  and  make  a  note  of  any  pending  litigation  addressing  the  delineation  of 
responsibilities regarding basic sanitation services in municipalities, metropolitan regions, urban conurbations and microregions.   

On March 6, 2013, the Brazilian Supreme Court decided a matter related to the shared management of basic sanitation services in the state of Rio de 
Janeiro, whose effects may impact other ongoing legal proceedings. In its decision, the court ruled that the state of Rio de Janeiro must establish a new entity, 
owned by both the state of Rio de Janeiro and the relevant municipalities, to oversee the planning, regulation and auditing of basic sanitation services in its 
metropolitan region with the non-partisan participation of all the municipalities located in the metropolitan region; creating a requirement that the state and the 
municipalities must participate jointly in the shared management of public services.  

However, this decision is not yet fully effective, and, therefore, does not yet alter the legislative framework regarding basic sanitation that is currently in 

effect for the State of São Paulo. 

In January 2015, the Federal Government issued the Metropolitan Bylaws (Law No. 13,089/2015), amended by Provisional Measure No. 818 of January 
11,  2018,  which  was  subsequently  converted  into  Federal  Law  No.  13,683/2018,  establishing  within  the  term  of  five  years,  counted  from  the  date  of  the 
institution  of  the  metropolitan  region  or  urban  cluster:  (i) the  general  guidelines  for  the  planning,  management  and performance  of  public  initiatives  in 
metropolitan regions and in urban clusters instituted by the states; (ii) the general planning standards for integrated urban development and other interfederal 
governance instruments; and (iii) the criteria to receive federal loans related to urban development. In addition, the Metropolitan Bylaws foresees mechanisms 
for integrated management and interfederal governance as well as the sharing of decisions by regional entities.   

Despite the Brazilian Supreme Court’s March 6, 2013 decision and the Metropolitan Bylaws, some municipalities in metropolitan regions and urban 
clusters, including in metropolitan regions where we operate, have been conducting bidding processes for the concession of sanitation services without including 
shared management. 

Establishment of ARSESP 

On June 8, 2006, the State of São Paulo enacted Decree No. 50,868/2006, creating the Commission for the Regulation of Sanitation Service of the State 
of  São  Paulo  (Comissão  de  Regulação  do  Serviço  de  Saneamento  do  Estado  de  São  Paulo),  or  “CORSANPA,”  to  regulate  basic  sanitation 
services.  CORSANPA was directly subordinated to the State Secretariat for Infrastructure and Environment.  The main duty of CORSANPA was conducting 
studies for the creation of a regulatory agency for the basic sanitation industry and the presentation of legal and regulatory measures.   

The completion of such duties resulted in the publication of State Supplementary Law No. 1,025/2007 of December 7, 2007, which created the São Paulo 
State Sanitation and Energy Regulatory Agency (Agência Reguladora de Saneamento e Energia do Estado de São Paulo), or “ARSESP,” and partially revoked 
Supplementary  Law  No. 7,750/1992.   Furthermore,  Supplementary  Law  No. 1,025/2007  maintained  CONESAN,  as  an  advisory  council  to  define  and 
implement the state basic sanitation policy, and the State Sanitation Fund (Fundo Estadual de Saneamento) or “FESAN.”  FESAN is connected to the State 
Secretariat  for  Infrastructure  and  Environment  and  collects  and  manages  resources  that  support  State-approved  programs,  as  well  as  the  development  of 
technology, management and human resources and a sanitation information system, in addition to other support programs. 

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On August 5, 2009, the State of São Paulo enacted Decree No. 54,644/2009, which revoked Decree No. 50,868/2006 and regulated the composition, 
organization  and  operation  of  the  State  Sanitation  Council  (Conselho  Estadual  de  Saneamento),  or  “CONESAN”  created  by  Supplementary  Law 
No. 7,750/1992. 

In connection with the scope of our services, Supplementary Law No. 1,025/2007 expanded the range of services that we can render, with the inclusion 
of urban rainwater drainage and management, urban cleaning and solid waste management, as well as the operation of power generation, storage, conservation 
and sales activities, for our own or third-party use. 

In addition, the rules simplified the process for the expansion of our business in Brazil and abroad, authorizing us to: 

•   participate in the controlling block or the capital of other companies;  

•   create subsidiaries, which may become majority or minority shareholders in other companies; and  

•   establish  partnerships  with  national  or  foreign  companies,  including  other  state  or  municipal  basic  sanitation  companies,  in  order  to  expand  our 

activities, share technology and expand investments related to basic sanitation services.  

ARSESP  regulates  the  basic  sanitation  services  that  belong  to  the  State,  relating  to  the  federal  and  municipal  jurisdictions  and  prerogatives,  and  is 

responsible for:   

•   the compliance with and enforcement of state and federal basic sanitation legislation;  

•   the publication of the organizational platform for the services, indicating the types of services provided by the State, as well as the equipment and 

facilities that compose the system; 

•   the acceptance, where applicable, of the legal attributions of the jurisdictional authority; 

•   the establishment, in accordance with the tariff guidelines defined by Decree No. 41,446/96, of tariffs and other methods that provide compensation 
for our services, adjustment and review of such tariffs and methods to ensure the financial economic balance of services and low cost tariffs through 
mechanisms that increase service efficiency and lead to the distribution of productivity gains to society; and 

•   the approval, oversight and regulation (including tariff issues) of the sewage treatment and wholesale water supply agreements entered into between 

the state supplier and other suppliers, pursuant to Article 12 of the Basic Sanitation Law.  

With respect to municipal basic sanitation, ARSESP oversees and regulates services (including tariff issues) that have been delegated by municipalities 
to the State as a result of cooperation agreements that authorize program agreements between the municipalities and us for as long as it is convenient to the 
municipality’s public interest. Currently, all of our service agreements signed pursuant to Law No. 11,445/2007 had their regulation and supervision services 
delegated to ARSESP. 

For  its  services,  ARSESP  charges  0.50%  of  the  annual  total  invoice  from  net  operating  revenue  (excluding  revenues  relating  to  the  construction  of 
concession infrastructure) of the municipality.  This fee is collected from municipalities that have an executed program agreement with us and the municipalities 
located in the metropolitan regions.   

Rules Enacted by ARSESP  

In 2009, ARSESP enacted rules regarding the following: 

•   general terms and conditions for water and sewage services; 

•   procedures for communication regarding any failure in our services; 

•   penalties for deficiencies in the provision of basic sanitation services; and 

•   procedures for confidential treatment of our customers’ private information.  

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The implementation of these and other more recent rules will particularly impact our commercial and operational processes and may adversely affect us 

in ways we cannot currently predict.  Implementation of these rules started in 2011 and is expected to continue for the next few years. 

Consumer Relations in the State of São Paulo 

In 2011, ARSESP altered the standard contract that we are required to use in our relationships with retail customers.  This alteration requires that invoices 
be  sent  to  the  user  of  the  service  rather  than  the  owner  of  the  property  connected  to  the  public  water  supply  and  sewage  systems.   Since  2011,  we  have 
implemented several measures and instituted new rules to update our client registry.  Currently, more than 90% of our water and sewage connections are billed 
to the user of our services, as foreseen under current regulations. Related to the collection of debt, we are also faced with the challenge of collecting customers’ 
taxpayer identification numbers, which are required to register for our services and are needed for the judicial collection of outstanding fees in the event of 
nonpayment.  We  continuously  update  our  customers’  registration  information,  but  we  face  difficulties  in  updating  this  information  in  areas  with  high 
concentrations of social vulnerability and noncompliance. 

Regarding changes to the communication process for the reporting of failures, ARSESP has modified the rules and standards for supervision and reporting 
of incidents.  We have implemented these requested changes.  Currently, we receive a portion of the reported incidents online, through the Incident Reporting 
System (“Sistema de Comunicação de Incidentes”) established by ARSESP, which introduces greater transparency and control to our operations.  

Pursuant to rules provided in ARSESP Resolution No. 846/2018, enacted on December 20, 2018, certain procedures were established to report incidents 

and interruptions in the provision of water and sewage services through the Supervision Support System (SAFI). 

The implementation of these rules, which began in 2011 and was completed in 2018, required certain adjustments to our business and operations, but so 
far have not adversely affected us. We created a handbook on how to report incidents and interruptions in order to standardize the understanding and usage of 
the Incident Reporting System (including roles, responsibilities and a step-by-step guide), as well as a training series, directed to each business unit, in order to 
address the subject and its importance. The goal was to promote a broad communication to all stakeholders mentioned by the ARSESP rules in each available 
information channel. 

We are attentive to these regulatory changes, have been working toward meeting ARSESP’s requirements and recommendations, and have presented 
technical, legal and factual reasons for any conduct that ARSESP may find irregular.  As a result, we are subject to few regulatory infractions and to limited 
fines.  See “Risk Factors—Risks Relating to Our Business—Current regulatory uncertainty, especially with regard to implementation and interpretation of the 
Brazilian Basic Sanitation Law, may have an adverse effect on our business, financial condition or results of operations.” 

Our Current Concession Agreements 

The current concessions are based on a standard form of agreement between us and the relevant municipality.  Each agreement received the prior approval 
of the legislative council of each municipality. In the municipalities included in metropolitan regions, urban agglomerations and microregions, the State of São 
Paulo is also included as a party. The assets comprising the existing municipal water and sewage systems are transferred from the municipality to us in order 
for us to provide the contracted services.  Until 1998, we acquired municipal concessions and the existing water and sewage assets in exchange for our common 
shares issued at book value.  Since 1998, we have acquired concessions and water and sewage assets by paying the municipality an amount equal to the present 
value of the contracts’ estimated cash flows from the date of acquisition of the concession.  In 2011, ARSESP set the Weighted Average Cost of Capital 
(WACC) at 8.06%, due to the First Ordinary Tariff Revision, and in October 2017 the discount rate was updated to 8.11% due to the Second Ordinary Tariff 
Revision.  See “—Tariffs.”   Since 2011, we have used ARSESP’s WACC as a discount rate used to analyze the financial and economic feasibility of the 
service agreements with municipalities. 

The main provisions of our existing concession agreements are as follows: 

•   we assume all responsibility for providing water and sewage services in the municipality; 

•   according to the municipal laws authorizing the concession, we are permitted to collect tariffs for our services and tariff readjustments follow the 

guidelines established by the Basic Sanitation Law and ARSESP; 

•   as a general rule, to date, we are exempt from municipal taxes, and no royalties are payable to the municipality with respect to the concession; 

•   we are granted rights of way on municipal property for the installation of water pipes and water transmission lines, and sewage lines; and 

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•   upon termination of the concession, for any reason, we are required to return the assets that comprise the municipality’s water and sewage system to 

the municipality and the municipality is required to pay us the non-amortized value of the assets relating to the concession. 

These assets have been considered to be intangible assets since January 2008.  See Note 3.8 to our financial statements.  Under concession agreements 

executed prior to 1998, the reimbursement for the assets may be through payment of either: 

•   the book value of the assets; or 

•   the market value of the assets as determined by a third-party appraiser in accordance with the terms of the specific agreement. 

Our new agreement model follows the provisions of the Basic Sanitation Law.  Its main contractual provisions include the joint execution of planning, 

supervision and regulation of services, the appointment of a regulatory authority for the services, and periodic disclosure of financial statements. 

Furthermore, the economic and financial formulas in new agreements must be based on the discounted cash flow methodology and on the revaluation of 
returnable assets.  Pursuant to the Basic Sanitation Law, the preexisting assets will be returned to the grantor of the concession.  We will carry out all new 
investments and the municipalities will record them as assets.  The municipalities will then transfer possession of these assets to us for our use and management 
and will also record a credit in the same amount of the assets recorded in our favor.  According to Article 42 of the Basic Sanitation Law, investments made 
during the contractual period are the property of the applicable municipality, which in turn generates receivables for us that are to be recovered through the 
operation of the services.  These receivables may also be used as guarantees in funding operations. 

Another important development was the exemptions from municipal taxes applicable on our operational areas and the possibility of the revaluation of our 

assets that existed prior to the execution of the agreements in cases involving the early resumption of services by the concession authority. 

As of December 31, 2019, we provided water and sewage services to 372 municipalities.  The majority of these concessions have 30-year terms.  Due to 
court orders, we suspended our services in two other municipalities (Macatuba and Cajobi).  For more information, see “Item 8.A. Financial Statements and 
Other Financial Information—Legal Proceedings.”  Between January 1, 2007 and December 31, 2019, we entered into agreements with 325 municipalities 
(including our services agreement with the city of São Paulo) in accordance with the Basic Sanitation Law, of which 18 were entered into in 2019.  As of 
December 31, 2019, these 325 municipalities accounted for 85.0% of our gross operating revenues from sanitation services (excluding revenues relating to the 
construction of concession infrastructure).  In addition to the contracts that have 30-year terms, the municipalities entered into cooperation contracts with the 
State of São Paulo, delegating the regulation and monitoring of the provision of services to ARSESP.  As of December 31, 2019, 21 of our agreements or 
concessions had expired but we continued to provide water and sewage services to these municipalities and were in negotiations to execute program agreements 
to substitute the expired concessions. From January 1, 2020 through 2030, 27 concessions will expire. 

Municipalities  have  the  inherent  power  under  Brazilian  law  to  terminate  concessions  prior  to  their  contractual  expiration  dates  for  reasons  of  public 
interest.  The municipality of Mauá, which we previously served, terminated our concession in December 1995.  As arranged, we transferred ownership of the 
related assets as well as of the provision of services to the municipality of Mauá.  In another contract we entered into with the Basic Sanitation Company of the 
municipality of Mauá (Saneamento Básico do Município de Mauá – SAMA) and the municipality of Mauá, we were responsible for providing water on a 
wholesale basis.  However, neither SAMA nor the municipality of Mauá complied with the stipulations of the agreement, culminating in a lawsuit brought 
against both parties.  We demanded monetary compensation for our basic sanitary services.  In a separate suit, we are demanding SAMA pay us the correct 
amount of tariffs for water services it has been receiving without our authorization at a cost below that contracted.   

The  receivables  owed  to  us  by  Mauá,  due  to  the  termination  of  the  concession,  total  R$85.9 million  and  have  not  been  recognized  in  our  financial 
statements due to the uncertainty of our ability to collect them. Despite these developments, we currently supply water on a wholesale basis to Mauá. After 
many years of discussions, on August 16, 2019, we executed a Protocol of Intentions with the municipality of Mauá for the preparation of studies and evaluations 
aiming to resolve our commercial relations and the municipality’s outstanding debt with us. On January 16, 2020 a municipal law was sanctioned, allowing 
the government of Mauá to sign agreements, amendments and any other necessary adjustments with the State of São Paulo, ARSESP and us. As of the date of 
this annual report there has been no progress in negotiations and we cannot guarantee if or when any agreement will be signed. 

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We currently do not anticipate that other municipalities will seek to terminate concessions due to our close relationship with municipal governments, 
recent improvements in the water and sewage services we provide, and the obligation of the municipality to repay us for the return of the concession. However, 
we cannot be certain that other municipalities will not seek to terminate their concessions in the future. See “Item 3.D. Risk Factors—Risks Relating to Our 
Business—Municipalities may terminate our concessions before they expire in certain circumstances.  The indemnification payments we receive in such cases 
may be less than the value of the investments we made, or may be paid over an extended period, adversely affecting our business, financial condition or results 
of operations.” 

Operations in the City of São Paulo and Certain Metropolitan Regions 

We are a concessionary of the state of São Paulo tasked with providing operate basic sanitary services in metropolitan regions, microregions and urban 

conglomerates instituted by state law. 

The state of São Paulo, pursuant to Article No. 25, Paragraph 3 of the Brazilian Constitution, enacted the State Supplementary Law, or “LCE,” to create 
the metropolitan regions of São Paulo (LCE No. 94/1974), Baixada Santista (LCE No. 815/1996), Campinas (LCE No. 870/2000), Vale do Paraíba and Litoral 
Norte  (LCE  No. 1,166/2012),  Sorocaba  No. (LCE  No. 1,241/2014)  and  Ribeirão  Preto  (LCE  1,290/2016),  and  the  urban  clusters  of  Jundiaí  (LCE 
No. 1,146/2011), Piracicaba (LCE No. 1,178/2012) and Franca (LCE No. 1,323/2018).  

On June 18, 2009, Municipal Law No. 14,934/2009 repealed Municipal Law 13,670/2003, which had assigned the responsibility for the city of São Paulo’s 
planning, regulating and supervising the provision of water supply and sewage collection services exclusively to the city of São Paulo. On June 23, 2010, the 
State and the city of São Paulo entered into a formal agreement with the purpose of sharing the planning of the provision of water supply and sewage collection 
services; delegating oversight and regulation, including tariff regulation, to ARSESP; and authorizing the maintenance of water supply and sewage collection 
services in the city of São Paulo for a 30-year term (renewable for the same period).  

In January 2015, the Federal Government issued the Metropolitan Bylaws (Law No. 13,089/2015), amended by Provisional Measure No. 818 of January 
11,  2018,  which  was  subsequently  converted into  Federal  Law No.  13,683/2018, establishing within the  term of   five  years, counted from  the  date  of the 
institution of the metropolitan region or urban cluster:  (i) the general guidelines for the planning, management and performance of public interest initiatives in 
metropolitan regions and in urban clusters instituted by the states; (ii) the general planning standards for integrated urban development and other interfederal 
governance instruments; and (iii) the criteria to receive federal loans related to urban development.  However, this provision was repealed by Federal Law No. 
1,368/2000.   

On March 6, 2013, the Brazilian Supreme Court decided a matter related to the shared management of basic sanitation services in the state of Rio de 
Janeiro. In its decision, the court ruled that the state of Rio de Janeiro must establish a new entity, owned by both the state of Rio de Janeiro and the relevant 
municipalities, to oversee the planning, regulation and auditing of basic sanitation services in its metropolitan region with the non-partisan participation of all 
the  municipalities  located  in  the  metropolitan  region;  creating  a  requirement  that  the  state  and  the  municipalities  must  participate  jointly  in  the  shared 
management of public services.  

However, this decision is not yet fully effective, as a ruling on a motion for clarification is currently pending, and therefore does not yet alter the legislative 
framework regarding basic sanitation that is currently in effect for the State of São Paulo. The São Paulo metropolitan region (including the municipalities to 
which we provide water on a wholesale basis, but excluding the concession infrastructure construction revenue) accounted for 73.4% of our operating revenue 
from services in 2019. 

We cannot predict how the shared management of these operations will be carried out in the São Paulo metropolitan region and other metropolitan regions 
we operate in or what effect it may have on our business, financial condition or results of operations.  See “Item 3.D. Risk Factors—Risks Relating to Our 
Business—Current regulatory uncertainty, especially with regard to implementation and interpretation of the Brazilian Basic Sanitation Law, may have an 
adverse effect on our business, financial condition or results of operations.” 

Tariff Regulation in the State of São Paulo 

The tariffs for our services are subject to Federal and State regulation. 

On December 16, 1996, the Governor of the State of São Paulo issued the decree No. 41,446/1996, which updated the existing tariff system and allowed 
us to continue to set our own tariffs. The guidelines by which we readjust our tariffs are defined pursuant to State Decree No. 41,446/1996, which were ratified 
by Federal Law No. 11,445/2007 and regulated by resolutions issued by ARSESP. 

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Our tariffs are based on the general objectives of maintaining our financial condition and preserving “social equality” in terms of the provision of water 
and  sewage  services  to  the  population  while  providing  a  return  on  investment.   The  governor’s  decree  also  directs  us  to  apply  the  following  criteria  in 
determining our tariffs: 

•        category of use; 

•        capacity of the water meter; 

•        characteristics of consumption; 

•        volume consumed; 

•        fixed and floating costs; 

•        seasonal variations of consumption; and 

•        social and economic conditions of residential customers. 

With the enactment of the Basic Sanitation Law and Federal Consortium Law, we are prohibited from planning, overseeing and regulating services, which 
includes determining the tariff policy to be adopted.  Such activities are to be exercised by the owner of the concession.  Except for the responsibility for 
planning, the remaining activities may be delegated. 

The current tariff structure maintains different tariff schedules, depending upon whether a customer is located in the São Paulo metropolitan region or the 
Regional  Systems.   There  are  four  levels  of  volume  consumed  for  each  category  of  customer,  except  for  the  residential-social  and  shantytown 
(favelas) categories.   The  residential-social  tariffs  apply  to  residences  of  low-income  families,  residences  of  persons  unemployed  for  up  to  12 months  and 
collective living residences.  The favela tariffs apply to residences in shantytowns characterized by a lack of urban infrastructure.  The latter two sub categories 
were instituted to assist lower income customers by providing lower tariffs for consumption.  Customers are billed on a monthly basis.  Water and sewage bills 
are  based  upon  water  usage  determined  by  monthly  water  meter  readings.   Larger  customers,  however,  have  their  meters  read  every  15 days  to  avoid 
nonphysical loss resulting from faulty water meters.  Sewage billing is included as part of the water bill and is based on the water meter reading.  We are also 
authorized to enter into individual contracts with certain customers, such as municipalities, to supply water or sewage services on a wholesale basis. 

Furthermore,  since  Law  No. 11,445/2007  permits  municipalities  to  create  their  own  regulatory  agencies  rather  than  being  subjected  to  overview  by 

ARSESP, a number of municipalities created their own regulatory agencies.   

The  municipalities  in  which  the  hydrographic  basins  of  the  Piracicaba,  Capivari  and  Jundiaí  rivers  are  located  created  a  consortium  known  as  the 
Regulatory Agency of Sanitation Services for the Piracicaba, Capivari and Jundiaí River Basin (Agência Reguladora dos Serviços de Saneamento das Bacias 
dos Rios Piracicaba, Capivari e Jundiaí), or ARES-PCJ, in 2011 to regulate and supervise our activities in those areas.  As a result of the creation of ARES/PCJ, 
we were involved in legal proceedings in which ARES/PCJ is claiming that it has jurisdiction over the regulation and supervision of our activities in four 
municipalities  (Piracaia,  Mombuca,  Santa  Maria  da  Serra  and  Águas  de  São  Pedro).   In  2016  we  obtained  a  definitive  favorable  decision  in  the  Piracaia 
proceeding and in 2018, we obtained a definitive favorable decision in the Mombuca and Santa Maria da Serra proceedings.  In 2019, the case involving Águas 
de São Pedro was dismissed, given that the Municipality requested its removal from the ARES/PCJ, after which the lawsuit lost its object-matter. 

In November 2013 the Regulatory Agency of São Bernardo do Campo was created. However, when the contract was signed with the municipality of São 
Bernardo  do  Campo in  2019,  the  regulation and  supervision  of services  were  delegated  to  ARSESP.  See “Item 3.D.  Risk  Factors—Risks  Relating  to  Our 
Business—Current regulatory uncertainty, especially with regard to implementation and interpretation of the Brazilian Basic Sanitation Law, may have an 
adverse effect on our business, financial condition or results of operations.” 

The 2014-2015 Water Crisis   

Prior to 2014, we planned our supply of water to the São Paulo metropolitan region based on the water supply during the driest period on record, which 
was from 1953 to 1954.  However, water inflow to the Cantareira reservoirs throughout 2014 and most of 2015 was less than half the inflow recorded in 1953, 
the previous most critical year.  Consequently, the volume of water stored in the reservoirs in 2014 and 2015 declined significantly until September 2015, when 
the reservoirs once again held more water than 12 months previously for the first time since the beginning of the water crisis.  Once rainfall returned the level 
of water in the reservoirs that provide water to the population of the São Paulo metropolitan region to normal levels, the measures taken during the water crisis 
to continue services to consumers were gradually discontinued starting in early 2016. As of December 31, 2019, the reservoirs in the São Paulo metropolitan 
region contained 1.1 billion m3 of water storage for treatment, compared to 943.3 million m3 available for treatment as of December 31, 2018 not including the 
technical reserve of 287.5 million m³. The average monthly water production in 2019 for the São Paulo metropolitan region was 62.9 cubic meters per second, 
or m³/s, compared to 60.9 m³/s in 2018 and 60.6 m³/s in 2017. 

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For more information on the water production systems which we use to produce water for the São Paulo metropolitan region, see “Item 4.B. Business 

Overview—Description of Our Activities—Water Operations—Water Resources.” 

Cantareira System 

The  Cantareira  System  is  located  in  the  northern  area  of  the  São  Paulo  metropolitan  region.   It  uses  water  extracted  from  the  PCJ  River  Basin  and 
the Juqueri River Basin and consists of six reservoirs interconnected by a complex water network of tunnels and pipes, located along the municipalities of São 
Paulo, Mairiporã, Nazaré Paulista, Piracaia, Vargem, and Joanópolis.  The latter two are located on the border of the state of Minas Gerais, approximately 100 
kilometers from the city of São Paulo.  Gravity forces the flow of water from one reservoir to another, and once the water reaches the Paiva Castro reservoir, 
located in the Juqueri River Basin, it is pumped to the Guaraú water treatment plant.  

Prior to February 2014 and the water crisis, this system supplied water to approximately 8.9 million people, with an average extraction of up to 33 m³/s to 
serve  the  São  Paulo  metropolitan  region.  After  the  water  crisis,  when  conditions  returned  to  normal  levels,  this  system  supplies  water  to  approximately 
7.0 million people, with an annual average water production of up to 23.8 m³/s in 2019 in order to serve the São Paulo metropolitan region. Since May 2017, 
the volume of water that may be extracted from the Cantareira System is now based on the volume of water available in the reservoirs.  A minimum of 10 m³/s 
of water may be released to serve the metropolitan region of Campinas and Jundiaí, which is located downstream from the reservoirs. This flow is defined in 
Joint Resolution Nos. 926/2017 and 925/2017, both dated May 29, 2017. 

In May 2017, the concession that regulates the volume of water that may be extracted from the Cantareira System, issued by ANA and DAEE was renewed 
for a period of 10 years and will allow us to withdraw from the system is divided into five tranches:  (i) if the volume of water available is higher than 60% of 
the reservoirs’ capacity, we can withdraw up to 33 m3/s; (ii) if the volume of water is between 40% and 60% of the reservoirs’ capacity, we can withdraw up 
to 31 m3/s; (iii) if the volume of water is between 30% and 40% of the reservoirs’ capacity, we can withdraw up to 27 m3/s; (iv) if the volume of water is 
between 20% and 30% of the reservoirs’ capacity, we can withdraw up to 23 m3/s; and (v) if the volume of water available is lower than 20% of the reservoirs’ 
capacity, we can withdraw up to 15.5 m3/s. 

As of December 31, 2019, the reservoirs in the São Paulo metropolitan region, where our largest market is located, contained 1.1 billion m3 of water 
storage for treatment, compared to 943.3 million m3 available for treatment as of December 31, 2018. These figures do not include the Cantareira System’s 
technical reserve of 287.5 million m³. 

The following table shows the volume of water stored in the systems that serve the São Paulo metropolitan region as of December 2016, March 2017, 

December 2017, March 2018, December 2018, March 2019, December 2019 and March 2020, the end of the rainy season: 

March 
2020 

December 
2019 

March 
2019 

December 
2018 

632.2 
141.4 
98.8 
13.4 
497.9 
16.9 
87.8 

396.4 
110.5 
93.0 
13.4 
430.3 
12.2 
52.3 

542.4 
155.8 
113.1 
14.0 
511.9 
16.8 
87.2 

387.8 
103.3 
92.4 
10.9 
282.6 
7.1 
59.1 

For the month 
March 
2018 

December 
2017 

532.3 
141.4 
97.2 
13.9 
362.8 
15.2 
- 

405.2 
101.6 
92.2 
10.1 
294.8 
12.9 
- 

March 
2017 

931.9 
135.4 
98.9 
13.9 
314.6 
16.4 
- 

December 

2016  Total Storage Capacity 

740.1 
123.6 
99.3 
11.3 
248.1 
16.2 
- 

1,269.5(1)(2) 
171.2 
112.2 
13.7 
573.8 
16.5 
88.8 

Cantareira 
Guarapiranga 
Rio Grande 
Rio Claro 
Alto Tietê 
Cotia 
 São Lourenço 

(1)        The Cantareira system’s total storage capacity is 982.0 million m³ available above the water intake level, plus 287.5 million m³ below the water 

intake level (known as the “technical reserve”).  

(2)        Amounts included since the May 2017 water right renewal do not include the water from the Cantareira System’s technical reserve, which is water 

stored below the water intake level. 

In order to continue to meet consumer demand in the São Paulo metropolitan region and reduce water production in the Cantareira system to the current 

limits set by ANA and DAEE, we adopted the following measures from February 2014 to early 2016 to maintain continuous water supply: 

•   use of treated water from other production systems to serve consumers originally supplied by the Cantareira system;  

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•   implementation of a bonus program and contingency tariff;  

•   reduction of pressure in pipes in order to decrease leakage;  

•   adjustment to the volume of treated water sold to municipalities that operate their own distribution network, due to the reduced availability of water; 

and 

•   extraction of water from the technical reserve. 

The first four measures resulted in significant water savings and helped to offset the reduced volume of water extracted from the Cantareira System.  The 
extraction of water from the technical reserve was critical to maintaining a continuous supply of water to the population. 

With the return of historical average rainfall in the rainy season from October 2015 to March 2016, water levels for the São Paulo metropolitan region 

returned to normal and we gradually discontinued the measures that we had taken during the water crisis. 

Emergency Projects and Projects Implemented to Meet the Water Demand of the São Paulo Metropolitan Region  

In addition to the measures taken to meet consumer demand in the São Paulo metropolitan region, we made and continue to make short and medium-term 

investments in projects to increase water availability, transfer water between different reservoir systems and expand water treatment production capacity. 

Our production of treated water was expanded by 8.6 m³/s with the completion of the São Lourenço Project. In addition, an additional 13 m³/s was made 
available to our reservoirs through interconnections to other reservoirs in the state of São Paulo, which will be available to us if reservoirs levels once again 
become low. Completion of these projects results in improved water security for the Integrated Water Supply System (Sistema Integrado de Abastecimento de 
Água), or SIM.  

The main projects include:   

•   Alto Tietê System – transfer of an additional 1 m³/s from the Guaió River to the Taiaçupeba reservoir, in order to recover the reserve volume of the 

Alto Tiête System.  This project was concluded in June 2015. 

•   Alto Tietê System – transfer of additional up to 4.0 m³/s from Rio Grande - Billings reservoirs to the Alto Tietê System.  This project was concluded 

in September 2015.  

•   Guarapiranga System – transfer of an additional 1 m³/s of which results from the expansion of the transfer capacity of the Billings reservoir to the 

Guarapiranga reservoir. This project was concluded in December 2015.  

•   Interconnection of the Jaguari and Atibainha reservoirs – the purpose of this project is to recover water levels and increase the water security of the 
Cantareira System.  The interconnection increases water availability in the Cantareira System by 5.13 m³/s (annual average) to 8.5 m³/s (maximum) by 
transferring water from the Jaguari reservoir to the Atibainha reservoir.  Construction of the interconnection began in February 2016 and was completed 
in March 2018. Upon completion of construction, we began transferring water from the Jaguari reservoir (part of the Paraíba do Sul Basin) to the 
Atibainha reservoir (part of the PCJ River Basin). For more information, see “Item 4.A. History and Development of the Company—Main Projects of 
Our Capital Expenditures Program.”  

•   Implementation of the São Lourenço Production System – this project was commenced in April 2014 and was completed in April 2018 and operations 
began in July 2018.  This system has an average water treatment capacity of 6.0 m3/s.  For more information, see “Item 4.A. History and Development 
of the Company—Main Projects of Our Capital Expenditures Program.” 

•   Alto Tietê System – transfer of an additional average 2.0 m³/s and up to 2.5 m³/s from the Itapanhaú river to the Biritiba reservoir, which will provide 
more  volume  to  the  Alto  Tietê System. The  project  is expected to  begin  construction  in  2020.   For  more information,  see “Item  4.A.  History and 
Development of the Company— Main Projects of Our Capital Expenditures Program.” 

Marketing Channels 

As of December 31, 2019, we were the concessionaire for the provision of water supply and collection, treatment and disposal of sewage services directly 
to end consumers for 372 municipalities in the state of São Paulo.  We also supplied water on a wholesale basis to three municipalities located in the São Paulo 
metropolitan region.  It is the responsibility of these municipalities to then distribute the water to end consumers.  We provide sewage services to two of these 
municipalities.  Because of our distribution infrastructure, end consumers to whom we offer water services on a wholesale basis cannot alternatively acquire 
such services directly from us.  For more information on service concessions, see “—Wholesale Operations.” 

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Energy Consumption 

Energy is essential to our operations, and as a result we are one of the largest users of energy in the state of São Paulo.  In the year ended December 31, 
2019, we used approximately 1.9% of the total energy consumption in the state of São Paulo.  To date, we have not experienced any major disruptions in energy 
supply.   Any  significant  disruption  of  energy  to  us  could  have  a  material  adverse  effect  on  our  business,  financial  condition,  results  of  operations  or 
prospects.  Energy prices have a significant impact on our results of operations.  In 2019, we purchased approximately 55.1% of our total energy consumption 
in the “free market,” where we can more efficiently negotiate the supply of energy; and the remainder of our energy consumption comes from the Regulated 
Market. This allowed us to save approximately R$ 207 million in 2019, compared to what we expect we would have spent if we purchased all of our total 
energy consumption in the Regulated Market. 

Additionally, we are developing projects that aim to generate clean, renewable and sustainable energy. In 2019, we began to structure a Distributed Power 
Generation Program focused on solar energy. The program estimates that until 2022 we will have a generation capacity of 61 megawatt, with a daily average 
output of 21 megawatts, corresponding to about 4.5% of our total energy consumption. The credits obtained in this distributed generation will be used to offset 
energy consumption of low voltage installations, which have a higher tariff. As such, about 60% of energy consumption carried out in low voltage will be 
supplied by renewable energy. The investment of approximately R$310 million foreseen in this program has an estimated payback of 7 to 8 years. 

Most of the energy produced in Brazil comes from hydroelectric power plants. For more information on energy, see “Item 3.D. Risk Factors—Risks 
Relating to Our Business— Extreme Weather Conditions and Climate Change may have a material adverse impact on our business, financial condition or 
results of operations.” 

Insurance 

We maintain insurance covering, among other things, fire or other damage to our property and office buildings and third-party liability.  We also maintain 
insurance coverage for directors’ and officers’ liability (D&O insurance).  We currently obtain our insurance policies by means of public bids involving major 
Brazilian and international insurance companies that operate in Brazil.  As of December 31, 2019, we had paid a total aggregate amount of R$5.9 million in 
premiums.  In addition, we paid R$1.5 million for a D&O insurance policy, covering R$5.2 billion in assets, third-party liabilities and D&O insurance. We do 
not have insurance coverage for business interruption risk because we do not believe that the high premiums for such insurance are justified by the low risk of 
major interruption of our activities.  In addition, we do not have insurance coverage for liabilities arising from water contamination or other problems involving 
our water supply to customers and for environmental related liabilities and damages.  We believe that we maintain insurance at levels customary in Brazil for 
our type of business. 

Intellectual Property 

Trademarks  

We have secured registration of our logo and composite trademark (“Sabesp”) at the Brazilian Institute of Industrial Property (Instituto Nacional da 
Propriedade Industrial), or INPI. In addition, we have registered with the INPI several other trademarks, such as: “Sabesp Soluções Ambientais”, “Projeto 
Tietê”, “Programa Córrego Limpo”, “Programa Onda Limpa”, “PROL – Programa de Reciclagem do Óleo de Fritura”, “Revista DAE”, “Ligação Sabesp”, 
“Agente da Gente – Sabesp na Comunidade”, “PURA – Programa de Uso Racional da Água”, “Sabesp Inteligência Ambiental”, “Uso Racional da Água”, 
“Parque da Integração”, “Sabesp Semana do Meio Ambiente”, “Água Sabesp Aquífero Guarani”, “Água Sabesp Estação Cantareira”, “Contrato de Fidelização 
Sabesp”, “Esgoto Não Doméstico Sabesp”, “PEA – Programa de Educação Ambiental – Sabesp”, “Sabesp Abraço Verde”, “Água de Reúso Sabesp”, “Eu Sou 
Guardião das Águas Sabesp Eu Não Desperdiço”, “Calculadora de Sonhos”, “Parque Sabesp Mooca”, “Parque Sabesp Butantã”, “Parque Sabesp Cangaíba”, 
“Programa Água Legal Sabesp”, “Signos – Sistema de Informação Geográfica no Saneamento Sabesp”, “Sistema de Suporte a Decisões Sabesp”, “Fertilizante 
Sabesfértil Sabesp”, “Pitch Sabesp”, “Novos Negócios Sabesp”, “Centrais de Geração, Hidrelétrica Sabesp”, “Biogás Sabesp”, “Energia Fotovoltaica Sabesp”, 
“Energia Eólica Sabesp”, “Resíduos Sólidos Urbanos Sabesp”, “Fertilizantes Sabesp”, “Tocha de Plasma Sabesp”, “Serviços Técnicos Sabesp”, “Afinidades 
Sabesp”, “Fibra Ótica nas Redes Sabesp”, “Geosabesp Sabesp”, “Waste To Energy Sabesp”, “Redução de Perdas Sabesp”, “Serviços Imobiliários Sabesp” and 
“Clubinho  Sabesp”,  which  is  a  tool  for  environmental  education  directed  to  children  through  our  website,  and  of  its  characters: “Super  H2O”,  “Gota 
Borralheira”, “Gotucho”, “Ratantan”, “Dr. Gastão”, “Cauã”, “Denis”, “Gabi”, “Iara”, “Sayuri” and “Cadu”. 

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Patents  

We have a patent granted by the INPI for a device for the removal of supernatants during the sewage treatment process. 

We have also filed ten patent applications for the following additional devices or inventions, currently awaiting the INPI’s decisions, some of which have 

been jointly filed with certain Brazilian universities as a result of our cooperation agreements with these institutions: 

•   a biofilter odor control unit; 

•   rotary devices used to clean water reservoirs transported by trucks with high-pressure hydrojetting systems; 

•   a digital leakage detection system, jointly filed with the University of São Paulo - USP; 

•   a chemical composition sensor, its fabrication process and use to measure pH in microfluid systems, jointly filed with the University of São Paulo - 

USP; 

•   a  bubble  removal  system,  autonomous  microlaboratory  and  use  of  autonomous  microlaboratory  to  monitor  water  quality,  jointly  filed  with  the 

University of São Paulo - USP;  

•   a box for installation of water meters; and 

•   water leakage detection equipment (consisting of four requests), jointly filed with FAPESP and Universidade Estadual Paulista Júlio De Mesquita Filho 

– UNESP. 

For more information on our cooperation agreements with Brazilian universities and FAPESP, see “Item 5. Operating and Financial Review Prospects—

C. Research and Development, Patents and Licenses, etc.—Research and innovation.” 

Software  

We have adopted an internal policy that provides for an active and effective audit and prevention of unauthorized software.  We have acquired the software 

licenses for all our workstations. 

We have also developed certain computer programs for management and control of water and sewage treatment facilities, as well as for third-party services 
management, called “AQUALOG” (Control Water Treatment Plants), “SGL” (Bid Management System), “SCORPION” (Software to Operational Control), 
“Electronic Price Quotation,” “PREGÃO SABESP ONLINE,” “SISDOC” (Document Control System), “system for analyzing the metrological behavior of 
water meters,” “MPLT” (Standardized Model of Technical Report), “SGH” (Hydrometry Management System), “SIA” (Audit Information System), “CSI” 
(Business System: Information Services), “NETCONTROL” (Automation System of Sanitary Control Laboratories), “SACE” (External Commercial Service 
System), “SAN” (Navigation Support System), “online software for managing specific articles published in the DAE engineering journal,”  “Dashboard panel,” 
“COP” (Online Control of Water Losses), “GEL” (Power Management System), “CADGEO,” “LIGGEO,” “Intellectual Property Management System,” “SOE” 
(Business Organization System), “Application for Predicting the Concentration of Cyanobacteria through Artificial Intelligence” and “Sabesp Decision Support 
System - SSD.”    

Among them, we highlight: 

•   AQUALOG  is  a  software  designed  to  monitor  water  treatment  through  the  employment  of  artificial  intelligence.   In  2001,  we  completed  the  first 
rendering of services based on the AQUALOG software to a third party with the automation of a water treatment plant in the city of Jaguará do Sul, 
State of Santa Catarina.  We have entered into an agreement to license the software to Sanesul, in the state of Mato Grosso do Sul and to Teuto’s drugs 
factory, in the city of Anapólis, state of Goiás;  

•   SGL is an electronic price quotation system that allows us to view and control all bid and acquisition proceedings in real time; 

•   CADGEO and LIGGEO are computer programs used to locate the water and sewage infrastructure in times of installation, maintenance or expansion 

in real time via satellite;  

•   “Application for Predicting the Concentration of Cyanobacteria through Artificial Intelligence,” is an application that was developed as a result of a 

joint research project by us, FAPESP and the Federal University of São Paulo – UNIFESP; 

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•   “Sabesp Decision Support System - SSD” is a software that contains graphic interfaces for updating data, queries of information in the form of graphs 
and tables, regarding the operation of water-producing systems and dissemination of data to society through newsletters generated by the system. 

We have also registered all of these programs at the INPI. 

Domain Names 

We own the domain names described below which have been registered with the relevant entity in Brazil, Registro.br: 

•   www.sabesp.com.br; 

•   www.projetotiete.com.br; 

•   www.revistadae.com.br; and 

•   www.sustentabilidadesabesp.com.br. 

Environmental Matters  

Our environmental management, which is guided by the directives established in our environmental policy, is inherent to the provision of our services and 
the  essence  of  our  business.   In  order 
to  consolidate  our  environmental  culture,  we  have  an  Environmental  Corporate  Management 
Department and Environmental  Management  Teams  allocated  in  our  business  units.  Our  environment  management  is  based  in  two  pillars  of  action:  (i) 
environmental compliance and (ii) change of environmental culture. We prioritize the internal and external dissemination of knowledge and experience on the 
best  environmental  practices.   There  are  actions  of  our  environmental  management  corporate  program  that  rely  on  the  involvement  of  collaborators,  the 
communities we service and partnerships with non-governmental organizations.   

We have the following ongoing environmental management programs:  

•   development of the Corporate Greenhouse Gas Management Program (Programa Corporativo de Gestão de Emissões de Gases de Efeito Estufa), in 
line with the guidelines from the São Paulo State Climate Change Policy (PEMC), including the preparation of annual inventories on emissions, raising 
environmental awareness and encouraging the reduction of greenhouse gas emissionsin our operations; 

•   continuation of the actions set out in our corporate programs for maintaining environmental licenses and grants for the right to use water; 

•   the  Environmental  Education  Program  (PEA-SABESP),  an  important  tool  for  strengthening  the  effectiveness  of  our  sanitation  activities,  which 
propitiates connections with the communities we service through over several environmental education projects.  The activities developed by the PEA 
are organized with the following objectives: raise awareness on the intrinsic value of water; protect the environment; preserve streams; improve the 
quality of the environment; raise awareness on sanitation activities; raise awareness on the conscious use of water; and direct capacitation and production 
of guiding material, which involve activities with civil society groups, education centers, municipal governments and non-governmental organizations; 

•   Management of our institutional representation in the State and National Systems of Water Resources, including training of company representatives 
to participate in: (i) the creation of criteria for water usage charges, (ii) preparation and review of river basin plans (Planos de Bacias), (iii) review of 
water bodies’ classifications, and (iv) analysis of legislations regarding the protection of water sources; 

•   the SABESP 3 Rs Program (Programa SABESP 3Rs) for the reduction, re use and recycling of waste from administrative activities, in partnership with 
waste and recycling collecting cooperatives and which includes employee training enabling them to act as multipliers in the roll-out of the program;  

•   the progressive implementation and maintenance of the Environmental Management System (EMS) in our water and sewage treatment plants.  Since 
2015, we have been working on the EMS with a mixed model, whereby the ISO 14001 standard is applied to a limited number of certified plants, while 
the other stations adopt their own environmental management model (named SGA-SABESP), without aiming certification. The EMS is currently in 
place in 390  treatment plants, 35 of which are ISO 14001 certified.  We expect to implement the EMS in all stations by 2024; 

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•   Development  of  the  Corporate  Program  for  Sustainable  WWTPs,  which  aims  to  disseminate  the  culture  of  sustainability  in  the  Company  and  the 
application of technologies and practices to transform the by-products generated in sewage treatment plants, specifically, biogas, sludge and effluent, 
in sustainable resources for beneficial use, with added value for the market, considering their energy use; and 

•   Implementation of the regularization and acceleration of the terms of commitment for environmental recovery corporate program for the environmental 
licensing of new companies, which includes obligations of forest restoration with environmental compensation purposes, when necessary. This program 
includes  the  planting  and  maintenance  of  1  million  seedlings  of  local  and  native  species  in  the  period  of  ten  years,  in  order  to  deal  with  current 
obligations, as well as to new terms of commitment for environmental recovery related to the implementation of new projects. The action is part of the 
Springs Program (Programa Nascentes) created by the Government of the State of São Paulo and prioritizes the restoration of water spring protection 
areas. Currently 625 thousand seedlings have been planted and are being maintained. 

In addition to corporate environmental management initiatives, we have several projects and initiatives underway to benefit the environment by engaging 

the population at large. 

We are also signatory of United Nations Global Compact and supports the 17 United Nations Sustainable Development Goals, which aims to stimulate 

actions in areas of crucial importance to humanity, the planet, countries and the companies. 

Climate Change Regulations: Reduction of Greenhouse Gases (GHG) Emissions 

We  are  required  to  comply  with  laws  and  regulations  related  to  climate  change,  including  international  agreements  and  treaties  to  which  Brazil  is  a 

signatory. 

The São Paulo State Climate Change Policy (Law No. 13,798/2009), enacted on November 9, 2009, and regulated by Decree No. 55,947 of June 24, 2010, 
aims to reduce global emissions of carbon dioxide by 20.0% by 2020 compared with 2005 levels.  Brazil’s Climate Change Policy (Law No. 12,187/2009), 
enacted on December 29, 2009 and regulated by Decree No. 7.390/2010 establishes a voluntary national commitment to reduce Brazil’s currently projected 
GHG emissions for 2020 by a percentage between 36.1% and 38.9%.  Such targets have not been established for the sanitation sector yet.  In this sense we 
have a Corporate Greenhouse Gas Management Program aimed at raising awareness on the topic, preparing annual inventories of greenhouse gas emissions 
and establishing and carrying out actions to reduce greenhouse gas emissions. 

In 2019, we concluded the corporate inventory of greenhouse gases for 2018, thus totaling 12 inventories since 2007. We noted that the trend observed in 
the previous inventories persists, specifically that activities regarding sewage collection and treatment remain our largest sources of greenhouse gas release, 
representing approximately 90,4% of total greenhouse gas release.  Electric energy represents approximately 8.1% and other activities represent approximately 
1.5%.  

We have projects in the research and development stages that entail using biogas generated in the treatment of sewage and recycling sewage sludge as a 
possible  way  to  reduce  the  gases  released  in  the  treatment  processes,  among  other  technological  resources  to  reduce  the  amount  of  sludge  disposed  in 
landfills.   We also  have initiatives  to  reduce  our  emission  of  greenhouse  gases,  such  as the  coverage  of  stabilization  ponds  and  drying  of  sludge  by  solar 
irradiation and the processing of biogas for vehicular use.  

At this point, it is still not possible to predict if climate change policies will provide opportunities or generate new costs for us.  Reducing our emissions 
of carbon dioxide will involve costs and expenses related to implementing more stringent control mechanisms, adopting pollution prevention measures and 
actions to minimize the generation of GHGs.  We may not receive financial incentives to offset all or part of these costs.  In addition, if limitations in GHG 
emissions affect our supply chain and increase our costs, we may not be able to pass on these costs to our end consumers.  See “—Tariffs.” 

Physical Effects of Extreme Weather Events  

Since our financial performance is closely linked to climate patterns that influence the qualitative and quantitative availability of water, extreme weather 
conditions may cause adverse effects on our business and operations.  Long-term effects of extreme weather conditions cause significant alterations in the 
physical environment that may create unfavorable circumstances, which could affect our operations. 

An increase in heavy rainfall can impact the regular operation of water sources, including abstraction of water from our dams, through potential increased 
soil erosion, silting and runoff of pollutants that can affect aquatic ecosystems.  In addition, increased flows of rainwater into sewage systems may overwhelm 
the capacity of sewage treatment plants.  

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In the case of prolonged periods of drought, for example, reduced water levels in dams can greatly impact the production process.  Droughts also lower 
reservoir levels available for hydroelectric plants, which may lead to power shortages, particularly since hydroelectric power accounts for most of Brazil’s 
electric power supply.  Lack of electric energy could lead to instability in water supply and sewage collection and treatment services, which could damage our 
reputation.  In addition, because we are one of the largest consumers of electricity in the state of São Paulo, a potential increase in electricity tariffs due to a 
shortage of hydroelectric power could have a significant economic impact on us. 

We are also the concessionaire for water and sewage services for all the coastal municipalities of the state of São Paulo.  A rise in the sea level could result 
in increased salinity in the river estuaries where we abstract water, which could affect water treatment in these areas.  Rising sea levels could also cause damage 
in our sewage collection network.  

Extreme climate events may also affect the extraction, production and transportation of the materials necessary for our operations, such as water treatment 
materials, and may lead to an increase in the cost of these materials.  A drastic rise in air temperature could also increase consumer demand for water, increasing 
the need to expand both water supply and sewage treatment. 

In  this  context,  our  strategy  calls  for  identifying  mitigating  actions  and  enlarging  their  coverage  in  the  areas  we  operate  in,  as  well  as  identifying 
opportunities to increase our effectiveness and to implement new technologies.  With regard to the risk of reduced water availability, we are working to adapt 
to a new scenario of water scarcity due to the risks associates with the effects of climate change through initiatives such as the Program for Reduction of Water 
Loss, the Program for Rational Water Usage and the expansion of the planned reutilization of effluents for urban and industrial purposes, among others.   

See “Item 3.D. Risk Factors—Risks Relating to Our Business—New laws and regulations relating to climate change and changes in existing regulation, 
as well as the escalation of the physical effects of extreme weather events, may result in increased liabilities and increased capital expenditures, which could 
have a material adverse effect on us.” 

Public Bidding Procedures 

Pursuant to the Federal Public Bidding Law, the public bid process commences with publication by the granting authority in a federal, state or municipal 
official newspaper, as the case may be, and another leading Brazilian newspaper.  The publication announces that the granting authority will carry out a public 
bidding contest pursuant to provisions set forth in an edital (invitation to bid).  The invitation to bid must specify, among other terms:  (i) the purpose, duration 
and goals of the bid; (ii) the participation of bidders, either individually or forming a consortium; (iii) a description of the qualifications required for adequate 
performance of the services covered by the bid; (iv) the deadlines for the submission of the bids; (v) the criteria used for the selection of the winning bidder; 
and (vi) a list of the documents required to establish the bidder’s technical, financial and legal capabilities. 

The invitation to bid is binding on the granting authority.  Bidders may submit their proposals either individually or in consortia, as provided for in the 
invitation to bid.  After receiving proposals, the granting authority will evaluate each proposal according to the following criteria, which must have been set 
forth in the invitation to bid:   

•        the technical quality of the proposal;  

•        lowest cost or lowest public service tariff offered;  

•        a combination of the criteria above; or  

•        the largest amount offered in consideration for the concession. 

The provisions of State Law No. 6,544/1989 of November 2, 1989, as amended, or the State Public Bidding Law, parallel the provisions of the Federal 
Public Bidding Law.  The Federal and State bidding laws will apply to us in the event that we seek to secure new concessions.  Moreover, these bidding laws 
currently apply to us with respect to obtaining goods and services from third parties for our business operations or in connection with our capital expenditure 
program, in each case subject to certain exceptions. 

On  June  30,  2016,  Federal  Law  No. 13,303/16  came  into  force  in  Brazil.   This  law  sets  new  rules  Brazilian  government-owned  and  mixed  capital 
companies like our company must follow in public bidding procedures and when contracting third parties. These requirements were implemented by June 30, 
2018. 

Water Usage 

State law establishes the basic principles governing the use of water resources in the state of São Paulo in accordance with the State constitution.  These 

principles include: 

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•   rational utilization of water resources, ensuring that their primary use is to supply water to the population;  

•   optimizing the economic and social benefits resulting from the use of water resources;  

•   protection of water resources against actions which could compromise current and future use;  

•   defense against critical hydrological events which could cause risk to the health and safety of the population or economic and social losses;  

•   development of hydro-transportation for economic benefit;  

•   development of permanent programs of conservation and protection of underground water against pollution and excessive exploitation; and  

•   prevention of soil erosion in urban and rural areas, with a view to protecting against physical pollution and silting of water resources. 

Among other instruments established by the State Water Policy, Law No. 7,663 of December 30, 1991, the competent public authority grants for the right 
to use water for the implementation of any enterprise that demands the use of surface or underground water resources (for water collection and release of 
effluents), as well as for the execution of services that alter the regime or quality of such water resources.  In the case of rivers under the federal government’s 
domain (rivers crossing more than one state), ANA is the public authority which grants the authorization.  With respect to the rivers under a state’s domain, 
the applicable state authority has jurisdiction to grant the right of use.  In the state of São Paulo, DAEE is the public authority responsible for granting such 
authorizations.   

State Law No. 12,183/2005, which was enacted on December 29, 2005, established the basis for charging for the use of the water resources under the 
domain of the State of São Paulo.  To apply such charging, the law provides for, among other provisions, the participation of the River Basins Committees, the 
formulation of criteria by such committees, the creation of basin agencies and the organization of a registered list of water resource users.  The basin committee’s 
proposals regarding the criteria to calculate the amounts to be charged at each basin must be approved by the State Water Resource Council and formalized by 
a decree issued by the State Governor. 

According to existing law, the hydrographic basins committees are authorized to charge users, such as us, for the abstraction of water from, or dumping 

of sewage into, water bodies. 

Charging for the use of water is under gradual implementation by the State of São Paulo, where the largest individual contributors are located, and it is a 
management tool of the Policy on Water Resources to promote the rational use of water and finance programs and actions established by the basin plans. In 
2019, we paid approximately R$89.2 million for the use of water resources. 

Charging for the use of water from rivers of federal domain began in 2003 in the Paraíba do Sul basin, and charging for the use of water from rivers of 
state domain began in 2007 in the Paraíba do Sul, Piracicaba, Capivari and Jundiaí basins.  Subsequently, charges were implemented for the use of water from 
the Sorocaba and Médio Tietê, Baixo Tietê and Baixada Santista river basins.  In 2014, charges were implemented for the use of water from the Alto Tietê 
river basin, and in 2016, from the Tietê / Batalha, Tietê / Jacaré and Ribeira de Iguape river basins. In 2017, charges were implemented for the use of water 
from the Sapucaí Mirim/Grande, Baixo Pardo/Grade, Mogi Guaçu and Pardo river basins. In 2018, the charge of the Turvo Grande/Médio Paranapanema/Pontal 
do Paranapanema committees was implemented, and the implementation of the charge in the Litoral Norte, São José dos Dourados e Alto Paranapanema river 
basins is expected for 2020, since the decrees were approved in 2019. 

Water Quality 

Attachment XX of the Consolidation Administrative Rule No. 5 from September 28, 2017, issued by the Ministry of Health of the federal government, 
provides the standards for potable water for human consumption in Brazil.  This rule is similar to the U.S. Safe Drinking Water Act and the regulations enacted 
by the U.S. Environmental Protection Agency, which establishes rules for sampling and limits related to substances that are potentially hazardous to human 
health. 

In compliance with Brazilian law, the physical-chemical, organic and bacteriological analyses carried out for water quality control must follow several 
national and international standards, such as:  Standard Methods for the Examination of Water and Wastewater from the institutions such as the American 
Public Health Association (APHA), American Water Works Association (AWWA) and Water Environment Federation (WEF); United States Environmental 
Protection Agency (EPA); standards published by the International Standardization Organization (ISO); and methodologies proposed by the World Health 
Organization (WHO). 

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Decree No. 5,440/2005 provides that the quality of water must be disclosed to consumers. We have been complying with this regulation by publishing the 

required information in monthly bills and annual reports delivered to all consumers that we serve. 

Environmental Regulation  

The implementation and operation of water and sewage systems are subject to strict federal, state and municipal laws and regulations on environmental 
and  water-resource  protection.   The  National  Environmental  Council  (Conselho  Nacional  de  Meio  Ambiente),  or  the  CONAMA,  is  the  federal  agency 
responsible for the regulation of potentially polluting activities.  In the state of São Paulo, CETESB is the governmental entity responsible for the control, 
supervision,  monitoring  and  licensing  of  polluting  activities,  pursuant  to  State  Law  No. 997/1976,  as  amended  by  State  Decree  No.  8.468/1976  and  its 
amendments. 

The control and environmental planning instruments are defined by several legal instruments, such as State Law No. 997/1976, regulated by Decree No. 
8,468/1976  and  its  amendments,  which  regulates  environmental  pollution  control  and  establishes  the  standards  for  discharge  of  effluents  at  state  level; 
CONAMA Resolution No. 05/1988, which requires licensing of sanitation projects that cause significant alterations to the environment; Supplementary Law 
No. 140/2011 CONAMA Resolution No. 237/1997, which regulates (i) environmental licenses; (ii) federal, state and local jurisdiction over environmental 
issues; (iii) the list of activities subject to licensing; and (iv) environmental impact studies and reports; State Law No. 9,509/1977, regulated by State Decree 
No. 47,400/2002, which outlines the state environmental policy; CONAMA Resolution No. 357/2005, amended by CONAMA Resolution No. 430/2011, which 
establishes the standards for discharge of effluents; and DAAE Ordinance No. 1,630/2017 and ANA Resolution No. 1,941/2017, which regulate the concession 
of grants for the right to use water and interfere in water resources on the State and federal level, respectively. 

The licensing process, usually, is composed of three stages, including the following licenses which can be renewed: 

•   preliminary license – granted in the planning stage, approving the location and concept and attesting to the project’s environmental feasibility; 

•   installation license – authorizing the beginning of works for the installation of the project, subject to compliance with approved plans, programs and 

projects, including environmental control measures and other necessary technical requirements; and 

•   operation license – authorizing the operation of a unit or activity, subject to compliance with the technical requirements contained in the installation 

license. 

Projects with significant environmental impact are subject to specific studies prepared by multidisciplinary teams that present a series of recommendations 

focused on minimizing the environmental impact.  These studies are then submitted for analysis and approval by the government authorities.  

Sewage Requirements  

State law sets forth regulations regarding pollution control and environmental preservation in the state of São Paulo.  According to this law, in areas in 
which there is a public sewage system, all effluents of a “polluting source” must be discharged to such system, as is the case for industrial enterprises. It is the 
responsibility  of  the  polluting  source  to connect itself  to the  public  sewage  system.   All  effluents  to  be  discharged  are  required  to  meet the  standards  and 
conditions  established  by  the  applicable  environmental  law,  which  allows  such  effluents  to  be  treated  by  our  treatment  facilities  and  discharged  in  an 
environmentally  safe  manner.   Effluents that  do not  comply  with  such criteria are  prohibited  from  being  discharged  into the  public  sewage  system.   State 
legislation also establishes that liquid effluents, except those related to basic sanitation, be subjected to pre-treatment so that they meet the required mandatory 
levels before being discharged into the public sewage system.  Effluents from our treatment facilities must comply with effluent limitation guidelines and meet 
the water quality standards of the receiving water bodies established by federal and state legislation.  See “—Sewage Operations—Sewage System.”  

The CETESB is authorized under State law to monitor discharges of effluents into the water bodies, among other things.  The CETESB also issues the 

environmental licenses to the polluting sources, including sewage treatment plants.  For more information, see “—Environmental Matters.” 

State and federal water resource legislation establishes the charging of fees for the discharge of treated effluents into water bodies.  This charge is already 

in effect in the majority of river basins.  See “—Environmental Matters—Water Usage.” 

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Lending Limits of Brazilian Financial Institutions 

CMN Resolution No. 4,589/17 dated as of June 29, 2017, which replaced CMN Resolution No. 2,827/2001 dated as of March 30, 2001, as amended, 
limits the amount that Brazilian financial institutions may lend to public sector companies, such as us.  Financing of projects which are put up for international 
bid and any financing in reais provided to the Brazilian counterpart of such international bids are excluded from these limits. 

Scope of Business 

State Law No. 12,292/2006, dated as of March 2, 2006, and amended State Law No. 119/1973, dated as of June 29, 1973, which created our Company, 
authorizes us to provide water and sewage services outside the state of São Paulo (in other states of Brazil and other countries).  This law also authorizes us to 
own interests in other public or private-public companies and Brazilian or international consortia.  In addition, this law permits us to incorporate subsidiaries 
and enter into a partnership with or acquire interests in a private company with a corporate purpose related to the sanitation business. 

In connection with the scope of our services, State Suplementary Law No 1.025/2007 amended State Law No. 119/1973 and expanded the range of services 
that we can render, with the inclusion of urban rainwater drainage and management, urban cleaning and solid waste management, as well as power generation, 
storage, conservation and sales activities, for our own or third-party use. 

C.      Organizational Structure 

Not applicable. 

D.      Property, Plant, Equipment, Intangible Assets and Contract Assets 

Our principal property, plant and equipment comprise administrative facilities which are stated at historical costs less depreciation.  The reservoirs, water 
treatment facilities, water distribution networks consisting of water pipes, water transmission lines, water connections and water meters, sewage treatment 
facilities, and sewage collection networks consisting of sewer lines and sewage connections are recorded as contract assets and intangible assets (concession 
assets).  As of December 31, 2019, we operated through 81,324 kilometers of water pipes and water transmission lines and 55,983 kilometers of sewer lines.  As 
of the same date, we operated 253 water treatment facilities and 569 sewage treatment facilities (including eight ocean outfalls), as well as 16 water quality 
control laboratories. 

As of December 31, 2019, the total net book value of our property, plant and equipment, intangible assets and contract assets (including concession assets) 

and contract assets was R$40,257.6 million.  

All of our material properties are located in the state of São Paulo. 

ITEM 4A.     UNRESOLVED STAFF COMMENTS 

Not applicable. 

ITEM 5.            OPERATING AND FINANCIAL REVIEW AND PROSPECTS 

The  following management’s  discussion  and  analysis  of  financial  condition and  results  of  operations  should  be read  in  conjunction  with  our audited 
financial  statements  included  elsewhere  in  this  annual  report.   The  financial  statements  included  elsewhere  in  this  annual  report  have  been  prepared  in 
accordance with IFRS as issued by the IASB.  This annual report contains forward-looking statements that involve risks and uncertainties.  Our actual results 
may differ materially from those discussed in the forward-looking statements as a result of various factors, including, without limitation, those set forth in 
“Risk Factors.” 

In the following discussion, references to increases or decreases in any period are made by comparison with the corresponding prior period, except as the 

context otherwise indicates. 

A.      Operating and Financial Review and Prospects 

Overview 

As of December 31, 2019, we operated water and sewage systems in the state of São Paulo, including in the city of São Paulo, Brazil’s largest city.  Our 
operations extended into a total of 372 municipalities, or 58% of all municipalities in the state.  We also provided water services on a wholesale basis to three 
municipalities located in the São Paulo metropolitan region in which we did not operate water distribution systems.  In December 2018 and July 2019, we 
entered into agreements with the municipalities of Guarulhos and Santo André, respectively, and began operations in these municipalities for the direct supply 
of water and sewage services in January 2019 and August 2019, respectively. 

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The São Paulo metropolitan region, which includes the city of São Paulo, is our most important service region.  With a total population of approximately 
21.1 million, the São Paulo metropolitan region accounted for 73.4%, 72.2% and 70.7% of our operating revenue in 2019, 2018 and 2017 (excluding revenues 
relating to the construction of concession infrastructure), respectively.  As of December 31, 2019, 65.4% of the concession intangible assets reflected on our 
balance sheet were located in this region.  In an effort to respond to demand in the São Paulo metropolitan region, we have concentrated a major portion of our 
capital expenditure program to expand the water and sewage systems and to increase and protect water sources in this region.  Our capital expenditure program 
is our most significant liquidity and capital resource requirement. 

Factors Affecting Our Results of Operations 

Our results of operations and financial condition are generally affected by our ability to raise tariffs, control costs and improve productivity, general 

economic conditions in Brazil and abroad, and extreme weather events. 

In 2015, our business was significantly affected by the most severe drought recorded in our service area in the previous 80 years. During the rainy season 
that began in October 2015 and ended in March 2016, rainfall returned to its historical average, resulting in the level of water in the reservoirs that provide 
water to the population of the São Paulo metropolitan region returned to normal and the measures taken during the water crisis to continue to services consumers 
were gradually discontinued.  However, heightened public awareness of the need to conserve water during the crisis resulted in our customers adopting lower 
water consumption practices during the water crisis and these practices have been partially integrated into our consumers’ daily habits. As a result of this new 
behavior, despite us having a higher volume of water available for treatment, the volume of water billed to our clients did not return to the volume of water 
billed before the water crisis in 2013, since the water crisis had a strong impact on the consumer profile, which will probably not return to its former state 
before the crisis. This change in consumption practice as a result of the 2014-2015 water crisis has had a continued effect on our results of operations since the 
2014-2015 crisis. 

Effects of Tariff Increases 

Our results of operations and financial condition are highly dependent on tariff increases for our water and sewage services.  Since the enactment of the 
Basic Sanitation Law in 2007, as a general rule, regulatory agencies are responsible for setting, adjusting and reviewing tariffs, taking into consideration, among 
other factors, the following: 

•   political considerations arising from our status as a State-controlled company; 

•   anti-inflation measures enacted by the federal government from time to time; and 

•   when necessary, the readjustment to maintain the original balance between each party’s obligation and economic gain (equilíbrio econômico-financeiro) 

under the agreement. 

Readjustment  of  our  tariffs  continues  to  be  set  annually  and  depend  on  the  parameters  established  by  the  Basic  Sanitation  Law  and  ARSESP.   The 
guidelines also establish procedural steps and the terms for annual adjustments.  The annual adjustments must be announced 30 days prior to the effective date 
of the new tariffs.  See “4.B. Business Overview—Tariffs.” 

The following table sets forth, for the years indicated, the percentage increase of our tariffs, as compared to three inflation indexes:   

Increase in average tariff(1)  
Inflation – IPC – FIPE  
Inflation – IPCA  
Inflation – IGP-M  

2019 
4.72% 
4.40% 
4.31% 
7.30% 

Year ended December 31, 

2018 
3.51% 
3.02% 
3.75% 
7.54% 

2017 
7.89% 
2.27% 
2.95% 
(0.52)% 

(1)     See “Item 4.B. Business Overview—Tariffs” for addition information on tariff increases. 

Sources: Central Bank, Fundação Getulio Vargas, or FGV, Instituto Brasileiro de Geografia e Estatística, or IBGE, and Fundação Instituto de Pesquisas 

Econômicas. 

On April 9, 2020, ARSESP published a tariff readjustment of 2.4924%. Due  to the approval of the state of public calamity resulting from the COVID-19 

pandemic, ARSESP postponed this readjustment by 90 days. See “Item 4.B. Business Overview—Tariffs.” 

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Effects of Brazilian Economic Conditions 

As a company with all of its operations in Brazil, our results of operations and financial condition are affected by general economic conditions in Brazil, 
particularly by the economic activity and the inflation rate.  For example, the general performance of the Brazilian economy may affect our cost of capital and 
inflation  may  affect  our  costs  and  margins.   The  Brazilian  economic  environment  has  been  characterized  by  significant  variations  in  economic  growth 
rates.  However, as our product is viewed as essential, in normal conditions our sales revenue demonstrates stability.   

General Economic Conditions   

In 2017, Brazilian GDP increased 1% in comparison with 2016. Brazil’s trade surplus in 2017 was US$67 billion and at year-end the country had US$381.9 

billion in currency reserves. The average unemployment rate in Brazil in 2017 was 12.7%, the highest rate ever recorded by IBGE.  

In 2018, Brazilian GDP increased 1.1% in comparison with 2017. Brazil’s trade surplus in 2018 was US$58 billion and at year-end the country had 

US$374.7 billion in currency reserves. The average unemployment rate in Brazil in 2018 was 12.3%. 

In 2019, Brazilian GDP increased 1.1% in comparison with 2018. Brazil’s trade surplus in 2019 was US$ 46.6 billion and at year-end the country had 

US$ 356.9 billion in currency reserves. The average unemployment rate in Brazil in 2019 was 11.9%. 

The Brazilian Government had estimated a GDP growth of 2.1% for 2020.  However, due to the COVID-19 pandemic, the Brazilian Government has 
already revised its estimate of GDP growth to 0.02%. For more information, see “Item 3.D Key Information—Risk Factors—Risks Relating to Our Business— 
Our  financial  and  operating  performance  may  be  adversely affected  by epidemics,  natural  disasters  and  other  catastrophes,  such  as  the  recent  outbreak  of 
COVID-19.” 

Interest Rates 

As a political monetary instrument of the federal government, the SELIC rate influences the behavior of other interest rates in the country, including the 
rates related indebtedness denominated in local currency. The SELIC rate has historically been high.  However, a series of rate reductions in 2017, brought the 
SELIC rate down to 6.90% as of December 7, 2017, where it remained at year-end 2017. In 2018 the SELIC rate decreased to 6.40% and in 2019 the SELIC 
rate decreased to 4.40%.  In response to the COVID-19 outbreak, the COPOM further reduced the SELIC target rate to 3.75%, where it remains as of the date 
of this annual report. 

 We have not contracted any derivative financial instruments or any hedging instruments to mitigate interest rate fluctuations.   

Inflation 

Inflation affects our financial performance by increasing our costs of services rendered and operating expenses.  Part of our real-denominated debt is 
directly indexed to take into account the effects of inflation.  Additionally, we are exposed to the mismatch between the inflation adjustment indices of our 
loans and financing and those of our receivables.  Water supply and sewage service tariffs do not necessarily follow the increases in inflation adjustment and 
interest rates affecting our debt.  We cannot assure you that our tariffs will be increased, in future periods, to offset, in full or in part, the effects of inflation. 

Inflation adjustments derive from collections from or payment to third parties, as contractually required by law or court decision, and are recognized on 
an accrual basis.  Inflation adjustments included in these agreements and decisions are not considered embedded derivatives, since they are deemed as inflation 
adjustments for us.  See Notes 3.19, 5.1 and 29 of the financial statements for the impacts of inflation adjustments on our financial performance and debt. 

Currency Exchange Rates 

We had total foreign currency-denominated indebtedness of R$6,358.8 million as of December 31, 2019, of which R$1,881.9 million relates to the current 
portion of our long-term foreign currency-denominated obligations.  In the event of significant devaluations of the real in relation to the U.S. dollar or other 
currencies, the cost of servicing our foreign currency-denominated obligations would increase as measured in reais, particularly as our tariff and other revenue 
is based solely in reais.  In addition, any significant devaluation of the real will increase our financial expenses as a result of foreign exchange losses that we 
must record.  In 2017, the 1.50% depreciation of the real against the dollar and the 5.38% depreciation of the real against the Yen led to a foreign exchange 
loss of R$96.3 million. In 2018, the 17.1% depreciation of the real against the dollar and the 20.0% depreciation of the real against the Yen led to a foreign 
exchange loss of R$915.9 million. In 2019, the 4.0% depreciation of the real against the dollar and the 5.3% depreciation of the real against the Yen led to a 
foreign exchange loss of R$234.0 million. However, since most of our debt denominated in foreign currencies is long-term debt with a long amortization 
schedule, a devaluation of the real would principally impact cash flows regarding the current portion of our long-term debt. 

We  manage  our  indebtedness  portfolio  closely  to  decrease  the  cost  of  servicing  our  indebtedness  as  a  whole  and  our  exposure  to  exchange  rate 

fluctuations.  We do not have any exposure to derivatives tied to foreign currencies. 

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The following table shows the fluctuation of the real against the U.S. dollar, the period-end exchange rates and the average exchange rates as of or for the 

years indicated: 

Depreciation (appreciation) of the real versus U.S. dollar(1) 
Period-end exchange rate – US$1.00  
Average exchange rate – US$1.00(2)  

(1)       Represents the comparison with period-end exchange rate. Source:  Central Bank. 
(2)       Represents the average for period indicated. 

2019 

4.02% 
4.0307 
4.1096 

Year ended December 31, 

2018 

2017 
 (in reais, except percentages) 

17.13% 
3,8748 
3.6558 

1.50% 
3.3080 
3.1925 

The following table shows the fluctuation of the real against the Yen, the period-end exchange rates and the average exchange rates as of or for the years 

indicated: 

Depreciation (appreciation) of the real versus Yen(1) 
Period-end exchange rate – ¥1.00 
Average exchange rate – ¥1.0(2)  

(1)        Represents the comparison with period-end exchange rate.  Source:  Central Bank. 
(2)        Represents the average for period indicated. 

During the years ended December 31, 2019, 2018 and 2017 we had no forward exchange transactions. 

Year ended December 31, 

2019 

2018 

2017 

5.33% 
0.0371 
0.0377 

(in reais, except percentages) 
5.38% 
19.97% 
0.0294 
0.0353 
0.0291 
0.0331 

For further information on exchange rates, see “Item 3.D. Risk Factors—Risks Relating to Brazil—Exchange rate instability may adversely affect us, our 
foreign currency denominated debt and the market price of our common shares or ADSs and our ability to service our foreign currency denominated obligations” 
and “Item 5.B. Liquidity and Capital Resources—Indebtedness Financing—Financial Covenants.” 

Effects of Extreme Weather Events 

The southeastern region of Brazil, particularly the southern region of the state of Minas Gerais, the PCJ River Basin (from which we extract the water 
used in the Cantareira System), and the northern area of the São Paulo metropolitan region, experienced below average rainfall from late 2012 throughout 2014 
and most of 2015.  During the October 2015 – March 2016 rainy season, the level of rainfall in the region returned to the normal levels expected for the 
period.  Improved rainfall in the rainy season that began in October 2015, the collaborative efforts between us and the population we serve and emergency 
construction works conducted by us throughout 2014 and 2015 to combat the water crisis, resulted in a partial restoration of the water levels of the Cantareira 
system. 

As of December 31, 2019, the reservoirs in the São Paulo metropolitan region, where our largest market is located, contained 1.1 billion m3 of water 
storage for treatment, compared to 943.3 million m3 available for treatment as of December 31, 2018.  The measurements for these years do not include the 
technical reserve of 287.5 million m³.  In December 2019, this system served 7 million residents, compared to 8.9 million in February 2014, the last month 
before the water crisis started. 

In order to balance supply and demand despite restricted water availability, we adopted a series of measures from February 2014 until April 2016. With 
the return of the rainfall to its historical average for the rainy season that began in October 2015 and ended in March 2016, the level of water in the reservoirs 
that provide water to the population of the São Paulo metropolitan region returned to normal and the measures taken during the water crisis to continue to 
services  consumers  were  gradually  discontinued.   However,  heightened  public  awareness  of  the  need  to  conserve  water  during  the  crisis  resulted  in  our 
customers adopting lower water consumption practices during the water crisis and these practices have been partially integrated into our consumers’ daily 
habits. As a result, despite our reservoirs having a higher volume of water available for treatment, the total volume of water billed to our clients did not return 
to the volume of water billed in 2013,  since the water crisis had a strong impact on the consumer profile, which will probably not return to its former state 
before the crisis. This change in consumption practice as a result of the 2014-2015 water crisis has had a continued effect on our results of operations since the 
2014-2015 crisis. For more information, see “Item 3.D. Risk Factors—Risks Relating to Our Business— Droughts, such as the 2014 – 2015 water crisis, can 
have a material impact on our business and on consumption habits and, accordingly, may have a material adverse impact on our business, financial condition 
or results of operations” and “Item 4.B. Business Overview—The 2014-2015 Water Crisis.”  

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Critical Accounting Estimates and Judgments  

We  make  estimates  and  judgments  concerning  the  future.   The  resulting  accounting  estimates  will,  by  definition,  seldom  equal  the  related  actual 
results.  The estimates and judgments that have a significant risk of causing material adjustment to the carrying amount of our assets and liabilities within the 
next financial year are mentioned below. 

Allowance for Doubtful Accounts 

We establish an allowance for doubtful accounts in an amount that our management considers sufficient to cover expected losses, based on an analysis of 
trade receivables, in accordance with the accounting policy stated in Note 3.4 to our financial statements as of December 31, 2019 and 2018 and for the years 
ended December 31, 2019, 2018 and 2017.  Bad debt expense, net of recoveries, is included in selling expenses, and was R$128.1 million, R$166.7 million 
and R$82.7 million for the years ended December 31, 2019, 2018 and 2017, respectively. 

The methodology for determining the allowance for doubtful accounts requires significant estimates, considering a number of factors, including historical 
collection  experience,  current  economic  trends,  expected  future  losses,  the  aging  of  the  trade  receivables  portfolio,  recoveries  of  previously  written  off 
receivables and other factors.  Actual results could differ from those estimates. 

Intangible Assets Arising from Concession and Program Contracts 

As of December 31, 2019, we had intangible assets of R$32,325.4 million and contract assets of R$7,617.7 million. 

We recognize intangible assets arising from concession contracts under IFRIC 12.  We estimate the fair value of construction and other work on the 
infrastructure to recognize the cost of the intangible asset, which is recognized when the infrastructure is built and provided that it will generate future economic 
benefits.  The great majority of our contracts for service concession arrangements entered into with each grantor is under service concession agreements in 
which we have the right to receive, at the end of the contract, a payment equivalent to the asset balance of the concession intangible asset, which in this case, 
is amortized over the useful life of the underlying physical assets; thus, at the end of the contract, the remaining value of the intangible would be equal to the 
residual value of the related physical asset.  

The fair value of construction and other work on the infrastructure is recognized as revenue, at its fair value, when the infrastructure is built, provided that 
this  work  is  expected  to  generate  future  economic  benefits.   The  accounting  policy  for  the  recognition  of  construction  revenue  is  described  in  Note  3.3 
“Operating Revenue” to our financial statements. 

Intangible assets related to concession agreements and program contracts, when there is no right to receive the residual value of the assets at the end of 

the contract, are amortized on a straight-line basis over the period of the contract or the useful life of the underlying asset, whichever is shorter. 

Investments made and not recovered through rendering of services, within the terms of our agreement, must be indemnified by the concession grantor; 

(1) with cash or cash equivalents or also, in general, (2) with a contract extension.  These investments are amortized over the useful life of the asset. 

Law No. 11,445/2007 prescribes that, whenever possible, basic sanitation public utilities shall have their economic and financial sustainability ensured 
through  the  consideration  received  from  service  collection,  preferably  as  tariffs  and  other  public  charges,  which  may  be  established  for  each  service  or 
both.  Therefore, investments made and not recovered through these services, within the original term of the contract, are recorded as intangible assets and 
amortized over the useful life of the asset, taking into consideration a solid track record of concession renewal and, therefore, the continuity of services. 

The recognition of fair value for the intangible assets arising on concession contracts is subject to assumptions and estimates, and the use of different 
assumptions could affect the carrying amounts of these assets.  The amortization of intangible assets and estimated useful lives of the underlying assets also 
requires significant assumptions and estimates, which different assumptions and estimates, and changes in future circumstances, could affect amortization of 
intangible assets and remaining useful lives of the underlying assets and can have a significant impact on the results of operations. 

Provisions and Contingent Liabilities 

We are a party to a number of legal proceedings involving significant monetary claims.  These legal proceedings include, among other types, disputes 
with customers and suppliers and tax, labor, civil, environmental and other proceedings. For a more detailed discussion of these legal proceedings, see Note 19 
to our financial statements included in this annual report. We recognize provisions for legal proceedings in which our company has a present obligation as a 
result of past events (either due to an explicit agreement or duty, known as a legal obligation; or due to our past actions, known as a constructive obligation), it 
is probable that an outflow of resources embodying economic benefits will be necessary to settle the obligation and the amount of obligation can be estimated 
reliably. Therefore, we are required to make judgments regarding future events for which we often seek the advice of legal counsel.  As a result of the significant 
judgment required in assessing and estimating these provisions, actual losses realized in future periods could differ significantly from our estimates and could 
exceed the amounts which we have provisioned. 

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As  of  December 31,  2019,  we  were  party  to  judicial  and  administrative  proceedings,  relating  to  civil,  environmental  and  tax  matters,  amounting  to 
R$1,035.8 million (after deducting court escrow deposits in the amount of R$42.6 million) with respect to which we recognized provisions based on the criteria 
described above, as shown in Note 3.14 to our financial statements included in this annual report.  As of the same date, the proceedings with respect to which 
we have contingent liabilities (i.e., no provisions have been recognized) totaled R$44,035.0 million, of which we believe R$34,601.5 million of those have a 
remote probability of an outflow of resources embodying economic benefits exists.  

Pension Benefits 

The present value of the pension obligations depends on a number of factors that are determined on an actuarial basis using a number of assumptions.  The 
assumptions used in determining the net cost (income) for pensions include a discount rate and a mortality table.  Any changes in these assumptions will impact 
the carrying amount of pension obligations. 

We  determine  the  appropriate  discount  rates at the  end  of  each year,  which is  the  interest rate  that  should  be  used  to  determine the  present  value  of 
estimated future cash outflows expected to be required to settle the pension obligations.  The discount rate was decreased from 4.84% in 2018 to 3.36% in 2019 
under Plan G0 and from 4.91% in 2018 to 3.37% in 2019 under Plan G1 in order to follow the decrease in the rates applicable to the Brazilian Government 
NTN – B, long term notes, which term is similar to the duration of the pension benefits, as described in Notes 3.18 (a) and 20 (b) to our financial statements 
included in this annual report. 

Other key assumptions for pension obligations are based in part on current market conditions.  Additional information on the pension plans under Plan 

G0 and G1 is disclosed in Note 20 to our financial statements included in this annual report. 

Deferred income tax and social contribution 

We recognize and settle taxes on income based on the results of operations verified according to the Brazilian Corporate Law, taking into consideration 
the provisions of the tax laws. We recognize deferred tax assets and liabilities based on the differences between the accounting balances and the tax bases of 
assets and liabilities.   

We regularly review the recoverability of deferred tax assets and do not recognize deferred tax assets if it is probable that these assets will not be realized, 
based on historic taxable income, the projection of future taxable income and the estimated period to reverse temporary differences.  This process requires the 
use of estimates and assumptions.  The use of different estimates and assumptions could result in the non-recognition of a significant amount of deferred tax 
assets. 

As of December 31, 2019 and 2018, we have recognized R$434.0 million and R$261.2 million as deferred income tax liabilities and deferred income tax 
assets, respectively, in each case, net of the deferred tax assets and liabilities, as disclosed in Note 18 to our financial statements included in this annual report. 

Certain Transactions with Controlling Shareholder 

Reimbursement Due from the State 

Reimbursement due from the State for pensions paid represent supplementary pensions (Plan G0) that we pay, on behalf of the State, to former employees 

of State-owned companies which merged to form our company.  These amounts must be reimbursed to us by the State, as primary obligor. 

In November 2008, we entered into the third amendment to the agreement with the State relating to payments of pension benefits made by us on its 
behalf.  The State acknowledged that it owed us an outstanding balance of R$915.3 million as of September 30, 2008, relating to payments of pension benefits 
made by us on its behalf.  We provisionally accepted, but it is not recognized in our books, the reservoirs in the Alto Tietê System as partial payment in the 
amount of R$696.3 million, subject to the transfer of the property rights of these reservoirs to us.  See Note 10 to our financial statements included in this 
annual report and “Item 7.  Major Shareholders and Related Party Transactions.”  

On March 18, 2015, we, the State and DAEE, with the intervention of the Department of Sanitation and Water Resources, executed an agreement in the 
amount of R$1,012.3 million, consisting of R$696.3 million in principal amount and R$316.0 million in monetary adjustment of the principal through February 
2015.  For detailed information on this agreement, see “Item 7.B. Related Party Transactions—Agreements with the State” and Note 10(a)(iv) to our financial 
statements included in this annual report. 

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As of December 31, 2019 and 2018, the amounts not recognized related to pension benefits paid by us on behalf of the State totaled R$1,195.3 million 
and R$1,107.1 million respectively.  As a result, we also recognized the obligation related to pension benefits, maintained with the beneficiaries and pensioners 
of Plan G0. As of December 31, 2019 and 2018, the pension benefit obligations of Plan G0 totaled R$3,046.3 million and R$2,606.1 million, respectively.  For 
detailed information on the pension benefit obligations refer to Note 20 to our financial statements included in this annual report.   

Accounts Receivable from the State for Water and Sewage Services Rendered 

Certain of these accounts receivable have been overdue for a long period.  We have entered into agreements with the State with respect to these accounts 
receivable.  For further information on these agreements, see Note 10 to our financial statements included in this annual report and “Item 7.  Major Shareholders 
and Related Party Transactions.” 

Use of Guarapiranga and Billings reservoirs 

We withdraw water for use in the São Paulo metropolitan region from the Guarapiranga and Billings reservoirs.  EMAE, a company that is also controlled 
by the State of São Paulo, has a concession to produce hydroelectric energy using water from the same reservoirs. EMAE commenced various lawsuits against 
us in the past seeking compensation for the water we withdraw from these reservoirs. Those lawsuits have now been settled, by way of an agreement between 
EMAE and our company.   

The settlement agreement requires us to make certain installment payments to EMAE in settlement of the claim for compensation for our capture and use 
of the water, as well as apportionment of the maintenance, operation and monitoring costs for the reservoirs.  See “Item 7.  Major Shareholders and Related 
Party Transactions” and See Note 10(b) to our financial statements included in this annual report.  

Results of Operations 

The following table sets forth, for the years indicated, certain items from our income statements of operations, each expressed as a percentage of net 

operating revenue: 

Net operating revenue 

Cost of services 
Gross profit  
Selling expenses  
Allowance for doubtful accounts (*) 
Administrative income (expenses)  
Other operating income (expenses), net and equity results of 

investments in affiliates 

Profit from operations before finance income (expenses) and 

income tax and social contribution 

Financial income (expenses), net  
Profit before income tax and social contribution  
Income tax and social contribution  

Profit for the year  

17,983.7 

(10,137.7)  
7,846.0 
(803.4)  
(128.1)  
(1,187.9)  

(15.0) 

5,711.6 
(1,033.7)  
4,677.9 
(1,310.4)  

3,367.5 

2019 

100.0% 

(56.4)% 
43.6% 
(4.5)% 
(0.7)% 
(6.6)% 

(0.1)% 

31.8% 
(5.7)% 
26.0% 
(7.3)% 

18.7% 

16,085.1 

(9,086.5) 
6,998.6 
(693.5) 
(166.7) 
(996.9) 

35.1 

5,176.6 
(1,264.3) 
3,912.3 
(1,077.2) 

2,835.1 

Year ended December 31, 

2018 

2017 

(in millions of reais, except percentages) 

100.0% 

(56.5)% 
43.5% 
(4.3)% 
(1.0)% 
(6.2)% 

0.2% 

32.2% 
(7.9)% 
24.3% 
(6.7)% 

17.6% 

14,608.2 

(8,778.9) 
5,829.3 
(768.7) 
(82.7) 
(1,099.0) 

0.1 

3,961.7 
(458.1) 
3,503.6 
(984.3) 

2,519.3 

100.0% 

(60.1)% 
39.9% 
(5.3)% 
(0.6)% 
(7.5)% 

0.0% 

27.1% 
(3.1)% 
24.0% 
(6.7)% 

17.2% 

Year Ended December 31, 2019 Compared to Year Ended December 31, 2018 

Net operating revenue  

Net operating revenue increased by R$1,898.6 million, or 11.8%, to R$17,983.7 million in 2019 from R$16,085.1 million in 2018.  As of December 31, 
2019, net operating revenue, excluding construction revenue, increased by R$1,754.7 million or 13.2%, to R$15,037.1 million in 2019 from R$13,282.4 million 
in 2018. Our construction revenue was R$2,946.6 million in 2019 and R$2,802.7 million in 2018.  The main factors that led to the increase were: 

•   tariff repositioning index of 3.5% since June 2018; 

•   tariff adjustment index of 4.7 % since May 2019; 

•   increase of 2.7% in our total billed volume (2.4% in water and 3.1% in sewage); and 

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•   formalization of the agreement with the municipality of Santo André in 2019, representing an increase of R$1,357.3 million in operating revenue. 

These increases were partially off-set by a R$533.7 million decrease in revenues as result of the agreement signed with the municipality of Guarulhos in 

2018 which had the effect of increasing revenues in 2018 by approximately R$900 million without having the corresponding effect in 2019. 

Cost of services 

Our cost of services increased by R$1,051.2 million, or 11.6%, to R$10,137.7 million in 2019 from R$9,086.5 million in 2018. As a percentage of net 

operating revenue, cost of services decreased to 56.4% in 2019 from 56.5% in 2018. 

The increase in cost of services was principally due to the following factors: 

•   an increase of R$383.3 million in depreciation and amortization, due to the conclusion of the construction of intangible concession assets; 

•   an increase of R$254.4 million in the cost of services, due to several factors, mainly: (i) an increase of R$62.1 million in costs for the maintenance of 
water and sewage networks and connections; (ii) R$57.3 million in expenses with employees assigned to the municipality of Guarulhos; (iii) R$23.9 
million in labor expenses, related to the start of operations in the municipality of Santo André; (iv) R$17.9 million costs in relation to the paving and 
replacement of sidewalks; and (v) R$17.9 million in costs related to maintenance of water and sewage systems; 

•   an increase of R$183.3 million in the cost of electricity, mainly due to: (i) an average decrease of 3.2% in free market tariffs, with a 5.9% decrease in 
consumption; (ii) an average increase of 11.1% in regulated market tariffs, with a 10.3% increase in consumption. The increase in consumption in 2019 
was largely driven by the start of operations at the Jaguari-Atibainha Interconnection and the São Lourenço Production System, as well as the start of 
operations in the municipality of Guarulhos; 

•   an increase in construction revenue by R$141.7 million mainly due to an increase in investments in assets in 2019; and 

•   an increase in treatment materials of R$45.2 million, mainly due to higher use of alkaliners and coagulants in water treatment; 

Gross Profit 

As a result of the factors discussed above, gross profit for the year ended December 31, 2019 increased by R$847.4 million, or 12.1 %, to R$7,846.0 
million in 2019 from R$6,998.6 million in 2018.  As a percentage of net operating revenue, our gross profit margin increased to 43.6% in 2019 from 43.5% in 
2018. 

Selling Expenses  

Selling expenses increased by R$109.9 million, or 15.8%, to R$803.4 million in 2019 from R$693.5 million in 2018.  As a percentage of net operating 

revenue, selling expenses increased to 4.5% in 2019 from 4.3% in 2018.  The increase in selling expenses was primarily due to: 

•   an increase of R$86.7 million in expenses with services, mainly due to an increase: (i) in expenses related to the reading of hydrometers and the delivery 
of bills, in the amount of R$32.5 million; (ii) of R$25.7 million in customer service expenses; and (iii) in expenses for the hiring of credit recovery 
services in the amount of R$24.3 million; and 

•   an increase of R$20.3 million in general expenses, due to an increase in expenses related to the collection of bills from certain banks. 

Allowance for Doubtful Accounts 

Our allowance for doubtful accounts decreased by R$38.6 million, or 23.2%, to R$128.1 million from R$166.7 million, mainly due to the higher recovery 

of doubtful accounts as a result of the agreements signed in 2019, net of the defaults recorded in the period. 

Administrative Income (Expenses) 

Administrative expenses increased by R$191.0 million, or 19.2% to R$1,187,9 million in 2019 from R$996.9 million in 2018, mainly due to (i) higher 
provisions for lawsuits in 2019, in the amount of R$88.8 million; and (ii) expenses related to the conclusion of lawsuits, in the amount of R$85.4 million, 
resulting from the signing of agreements with the municipalities of São Bernardo do Campo and Guarujá, in the amounts of R$39.0 million and R$46.4 million, 
respectively. 

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Other Operating Income (Expenses), Net and Equity in Results of Investments in Affiliates 

Other operating expense, net were R$15.0 million in 2019 compared with R$35.1 million operating income, net in 2018. 

Other operating income, net consists of gains and losses from sales of property, plant and equipment, sale of contracts awarded in public bids, right to sell 

electricity, indemnities and reimbursement of expenses, fines and collaterals, property leases, reuse of water, PURA projects and services. 

Other operating expenses consist mainly of write-offs of concessions assets due to obsolescence, discontinued construction works, unproductive wells, 

projects considered economically unfeasible, losses on property, plant and equipment and exceeding cost of electricity sold. 

Other operating expenses increased by R$50.1 million, mainly due to: 

•   a decrease of R$20.1 million in other operating revenues, mainly due to: (i) the non-recurring revenue from property expropriation in 2018, in the 
amount of R$8.1 million; and (ii) higher receipt of funds from the River Basin Depollution Program in 2018, in the amount of R$6.2 million; and  

•   an increase in the write-off of obsolete items in 2019, totaling R$15.6 million.  

Financial Income (Expenses), Net 

Financial income (expenses), net consists primarily of interest on our indebtedness and foreign exchange losses (or gains) in respect of our indebtedness, 
offset partially by interest income on cash and cash equivalents and inflation based indexation accruals, mainly relating to agreements entered into with certain 
customers to settle overdue trade receivables. 

Financial income (expenses), net decreased by R$230.6 million to a financial expense, net of R$1,033.7 million in 2019 from a financial expense, net of 
R$1,264.3 million in 2018. As a percentage of net operating revenues, financial expense amounted to 5.7% in 2019 compared with a financial expense of 7.9% 
in 2018. This variation was due to: 

•   a decrease of R$681.9 million in exchange rate variations on loans and financings, as a result of the lower appreciation of the U.S. dollar and Japanese 

Yen against the Realin 2019 (4.0% and 5.3%, respectively), when compared to the amounts recorded in 2018 (17.1% and 20.0%, respectively); 

•   an increase of R$282.7 million in other financial expenses, mainly due to: (i) a R$128.3 million increase in interest recognition in 2019, as a result of 
the definitive start of the São Lourenço Production System, in July 2018; and (ii) higher recognition of interest on lawsuits, in the amount of R$127.9 
million; and  

•   an increase of R$111.2 million in other monetary variations, as a result of: (i) monetary variation on the liabilities of the São Lourenço Production 

System, in the amount of R$53.1 million; and (ii) higher monetary variation on lawsuits, in the amount of R$48.8 million.  

Profit before income tax and social contribution 

As a result of the factors discussed above, profit before income tax and social contribution increased by R$765.6 million, to R$4,677.9 million in 2019 
from R$3,912.3 million in 2018.  As a percentage of net operating revenue, our profit before income tax and social contribution increased to 26.0% in 2019 
compared to 24.3% in 2018. 

Income Tax and Social Contribution 

Income tax and social contribution expense increased by R$233.2 million to R$1,310.4  million in 2019 from R$1,077.2 million in 2018.  This increase 

was mainly due to the agreement with the municipality of Santo André and the reduction in expenses from exchange variations. 

Profit for the year 

As a result of the factors discussed above, our profit for the year increased to R$3,367.5 million in 2019 from R$2,835.1 million in 2018. As a percentage 

of net operating revenue, our profit for the year increased to 18.7% in 2019 from 17.6% in 2018. 

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Year Ended December 31, 2018 Compared to Year Ended December 31, 2017 

Net operating revenue 

Net operating revenue increased by R$1,476.9 million, or 10.1%, to R$16,085.1 million in 2018 from R$14,608.2 million in 2017. These variations were 

principally due to: 

•   an increase of 7.9% in tariffs since November 2017 (tariff repositioning); 

•   an increase of 3.5% in tariffs since June 2018 (tariff repositioning); 

•   an increase of 1.5% in our total billed volume (1.5% in water and 1.5% in sewage); and 

•   formalization of the agreement with the municipality of Guarulhos in 2018, representing an increase of R$800.0 million in operating revenue.  

Construction revenue decreased by R$348.20 million, or 11.1%, to R$2,802.7 million in 2018 from R$3,150.9 million in 2017. See Note 3.3(b) to our 

financial statements included in this annual report for a description of the accounting policies applicable to our construction services business. 

Cost of services 

Our cost of services increased by R$307.6 million, or 3.5%, to R$9,086.5 million in 2018 from R$8,778.9 million in 2017. As a percentage of net operating 

revenue, cost of services decreased to 56.5% in 2018 from 60.1% in 2017. 

The increase in cost of services was principally due to the following factors: 

•   an increase of R$162.5 million in the cost of electricity, mainly due to: (i) an average increase of 7.3% in the free market tariffs, with a 3.6% increase 
in consumption; (ii) an average increase of 4.9% in the Tariff for the Use of Distribution System (TUSD), with a 13.5% increase in consumption; and 
(iii) an average increase of 10.4% in the regulated market tariffs, without any relevant consumption variations; 

•   an increase of R$139.4 million in the cost of services, due to several factors, mainly: (i) an increase of R$34.9 million in the costs related to maintenance 

of water and sewage systems; and (ii) a higher cost associated with the hiring of technical services, in the amount of R$25.3 million; 

•   an increase of R$94.7 million in salaries and payroll charges and Pension plan obligations mainly due to: (i) an increase of R$156.2 million due to the 
provision for those who joined the Knowledge Retention Program (Programa de Retenção do Conhecimento – PRC), launched in 2018, aiming to 
mitigate the impact of the exit of employees who possess strategic knowledge acquired throughout their career; and (ii) an increase of R$71.9 million 
in expenses related to health insurance. These increases were partially offset by the reversal of R$136.5 million in the Provision for the Consent Decree 
(Termo de Ajustamento de Conduta – TAC), related to the employees who joined the PRC;  

•   an increase of R$102.7 million in depreciation and amortization, arising from entry into operation of intangible assets; and 

•   an increase of R$97.3 million in general expenses, mainly due to the following factors: (i) higher provision for the Municipal Fund for Environmental 
Sanitation and Infrastructure, in the amount of R$53.0 million, as a result of the increase in revenues generated from the municipality of São Paulo; 
and (ii) higher charges for the use of water, in the amount of R$39.0 million, related to the complementary payments made between 2014 and 2016, 
due to the signing of an Agreement between us and the Alto Tietê Hydrographic Basin Agency Foundation (Fundação Agência Bacia Hidrográfica 
Alto Tietê – FABHAT) in 2018. 

The increase was partially offset by the decrease of R$340.9 million in construction costs, due to the higher amount used in the construction of assets 

within the municipalities operated in 2017, mainly in the São Lourenço Production System. 

Gross Profit 

As a result of the factors discussed above, gross profit for the year ended December 31, 2018 increased by R$1,169.3 million, or 20.1 %, to R$6,998.6 
million in 2018 from R$5,829.3 million in 2017.  As a percentage of net operating revenue, gross profit margin increased to 43.5% in 2018 from 39.9% in 
2017. 

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Selling Expenses  

Selling  expenses  increased  by  R$7.5  million,  or  1.1%,  to  R$693.5  million  in  2018  from  R$686.0  million  in  2017.   As  a  percentage  of  net  operating 

revenue, selling expenses decreased to 4.3% in 2018 from 4.7% in 2017.  The increase in selling expenses was primarily due to: 

•   an increase of R$15.2 million in expenses with services, mainly due to an increase in expenses related to the hiring of credit recovery services and 

technical services, in the amounts of R$6.5 million and R$5.8 million, respectively; 

•   an increase of R$8.1 million in general expenses, due to the increase in the collection of bills from certain banks; 

•   an increase of R$1.9 million in material expenses, mainly due to the consumption of fuels and lubricants. 

The increase in selling expenses was partially offset by the decrease of R$19.8 million in salaries and expenses, mainly due to the migration of employees 
whose termination amounts were provisioned in the Provision for Consent Decree (Termo de Ajustamento de Conduta - TAC), who joined the Knowledge 
Retention Program - PRC, generating a reduction of R$17.0 million in total expenses with these provisions. 

Allowance for Doubtful Accounts 

Increase of R$84.0 million, mainly due to the higher recovery of amounts in 2017, totaling R$77.8 million. 

Administrative Expenses 

Administrative expenses increased by R$102.1 million, to R$996.9 million in 2018 from R$1,099.0 million in 2017, mainly due to lower provisioning of 

legal expenses. 

Other Operating Income (Expenses), Net and Equity Results of Investments in Affiliates 

Other operating income, net was R$35.1 million in 2018 compared with R$0.1 million operating income, net in 2017. 

Other operating income, net consists of gains and losses from sales of property, plant and equipment, sale of contracts awarded in public bids, right to sell 

electricity, indemnities and reimbursement of expenses, fines and collaterals, property leases, reuse of water, PURA projects and services. 

Other operating expenses consist mainly of write-offs of concessions assets due to obsolescence, discontinued construction works, unproductive wells, 

projects considered economically unfeasible, losses on property, plant and equipment and exceeding cost of electricity sold. 

Other operating income increased by R$35.0 million, mainly influenced by the write-offs of obsolete goods in 2017, in the amount of R$15.1 million, and 
increase in amounts received from the Hydrographic Basin Depollution Program, in the amount of R$11.2 million, due to the accomplishment of goals related 
to the program. 

Financial Income (Expenses), Net 

Financial income (expenses), net consists primarily of interest on our indebtedness and foreign exchange losses (or gains) in respect to our indebtedness, 
offset partially by interest income on cash and cash equivalents and inflation based indexation accruals, mainly relating to agreements entered into with some 
customers to settle overdue trade receivables. 

Financial income (expenses), net increased by R$806.2 million to a financial expense, net of R$1,264.3 million in 2018 from a financial expense, net of 
R$458.1 million in 2017. As a percentage of net operating revenues, financial expense amounted to 7.9% in 2018 compared to financial expenses of 3.1% in 
2017. The variation was due to: 

•   an increase of R$819.5 million in exchange rate variations on loans and financings, due to a higher appreciation of the U.S. dollar and the Yen against 

the real in 2018 (17.1% and 20.0%, respectively), compared to an appreciation in 2017 of 1.5% and 5.3%, respectively. 

Profit before income tax and social contribution 

As a result of the factors discussed above, profit before income tax and social contribution increased by R$408.7 million, to R$3,912.3 million in 2018 
from R$3,503.6 million in 2017.  As a percentage of net operating revenue, our profit before income tax and social contribution increased to 24.3% in 2018 
compared to 24.0% in 2017. 

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Income Tax and Social Contribution 

Income tax and social contribution expense increased by R$92.9 million to R$1,077.2 million in 2018 from R$984.3 million in 2017.  This increase was 
mainly due to the increase in operating revenues, partially off-set by higher electricity and service costs, as well as the increase in expenses for exchange rate 
variations, due to the higher appreciation of the U.S. dollar and the Yen against the real in 2018 mentioned above. 

Profit for the year 

As a result of the factors discussed above, our profit for the year increased to R$2,835.1 million in 2018 from R$2,519.3 million in 2017. As a percentage 

of net operating revenue, our profit for the year increased to 17.6% in 2018 from 17.2% in 2017. 

B.      Liquidity and Capital Resources 

Capital Sources 

In order to satisfy our liquidity and capital requirements, we have primarily relied on cash provided by operating activities, long-term borrowings from 
Brazilian federal governmental financial institutions, and long-term financing from multilateral organizations and from domestic and international development 
banks, and also from capital markets.  As of December 31, 2019, we had R$2,253.2 million in cash and cash equivalents.  The outstanding current indebtedness 
was R$2,859.8 million as of December 31, 2019, of which R$1,881.9 million was denominated in foreign currency.  Long-term indebtedness was R$10,384.9 
million as of December 31, 2019, of which R$4,476.9 million consisted of foreign currency-denominated obligations.   

Our management expects that with the decrease in defaults as a result of us having entered into contract with the municipalities of Guarulhos and Santo 
André, improved water security due to the works carried out, and the generation of operating cash and availability of credit lines for investments, we will have 
sufficient funds to meet our commitments and not compromise our planned investments. 

On March 22, 2020, the São Paulo State Government decreed a quarantine throughout the State, restricting activities in order to avoid the accelerated 
spread of COVID-19. Accordingly, our revenues in the commercial and public segments may be negatively impacted as result of the reduction in activity. On 
the other hand, consumption in the residential segment may increase as a result of these measures. The trend in the industrial segment is unclear, since there 
are segments that will increase production and, therefore, increase their demand for water, while others will have to reduce it.  

In order to finance the constant investment needs in our infrastructure, we use third party funds to complement our own resources. The impacts of COVID-
19 in attracting borrowings and financings is still uncertain, however, we believe that we currently have sufficient sources of funds to implement our short and 
medium term strategy. 

Cash Flows 

Net Cash Generated from Operating Activities  

Cash generated from operating activities is the single largest source of our liquidity and capital resources, and we expect that it will continue to be so in 
the  future. Our  net  cash  generated  from  operating  activities  was  R$4,197.2  million,  RS3,842.9  million  and  R$3,301.9  million  in  2019,  2018  and  2017, 
respectively.  The main driver of our cash flow from operating activities relates to our cash collections from customers, which is due to the nature of our 
business and to the fact that we are expanding our infrastructure. The increase in net cash generated in 2019 is principally due to the increase of 2.7% in our 
total billed volume (2.4% in water and 3.1% in sewage). This increase was partially offset by the income tax and social contribution paid in 2019.  

Net Cash Used in Investing Activities 

Net cash used in investing activities was R$3,267.3 million, R$2,189.3 million and R$1,971.4 million in 2019, 2018 and 2017, respectively.  The main 
driver of our net cash outflow for investing activities relates to purchases of intangible assets, as required under our concession and program contracts, which 
is due to the fact that we are expanding our infrastructure and service coverage. Although we invested the amount of R$1,336.9 million related to agreement 
with the municipality of Santo André, that did not impact our cash flow in 2019. 

Net Cash Used in Financing Activities 

Our net cash used in financing activities was R$1,705.9 million, R$907.5 million and R$933.6 million in 2019, 2018 and 2017, respectively.  The main 
driver of our cash flows from financing activities relates to the proceeds and repayments of loans used to finance purchases of intangible assets related to our 
concession and program contracts, in order to support the expansion of our services and our payment of interest on shareholders’ equity and the definitive start 
of the São Lourenço Production System, in July 2018, increasing the interest recognition in 2019. 

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Indebtedness Financing 

Our total financial indebtedness increased by 0.7%, from R$13,152.8 million as of December 31, 2018 to R$13,244.7 million as of December 31, 2019. 
In addition, during the same period, our total indebtedness denominated in foreign currency decreased by 4.7%, from R$6,669.4 million as of December 31, 
2018 to R$6,358.8 million as of December 31, 2019. 

As  of  December 31,  2019,  we  had  R$10,384.9 million  in  long-term  indebtedness  outstanding  (excluding  the  current  indebtedness),  of  which 
R$4,476.9 million  consisted  of  foreign  currency-denominated  long-term  debt. We  had  an  outstanding  current  indebtedness  of  R$2,859.8 million  as  of 
December 31, 2019.  As of December 31, 2019, R$1,881.9 million of this current portion of long-term indebtedness was denominated in foreign currency. As 
of December 31, 2019, our S&P domestic rating was brAAA and our S&P global rating was BB-. Our Moody’s national rating was Aa2.br and our Moody’s 
global rating was Ba2 as of December 31, 2019, while our Fitch national rating was AA(bra) and our Fitch global rating was BB, as of the same date. 

Various contractual agreements we have entered into, including certain financing agreements with Caixa Econômica Federal and BNDES, provide for 
liens over a portion of our cash flows from the payment of water and sewage provision tariffs.  In addition, we provide as guarantees a portion of our cash flow 
generation to transactions related to PPPs. 

Pursuant to these agreements, cash received from operations is required to pass through designated accounts. In the event of a default under the relevant 
agreement, such cash and future cash flows that are required to be deposited in such accounts become restricted and are subject to security interests in favor of 
the relevant creditor.  As of December 31, 2019, a substantial portion of our monthly cash flows from operations was subject to these liens. As of that date, the 
total amount of our secured debt, including indebtedness benefiting from these liens, was R$4,781.0 million (R$4,741.1 million of principal and R$39.9 million 
related  to  interest  and  charges).   See  “—Indebtedness  Financing—Financial  Covenants—Local  currency  denominated  indebtedness”  and  Note 16  to  our 
financial statements included in this annual report. The following table sets forth information on our indebtedness outstanding as of December 31, 2019: 

Denominated in local currency: 

10th issue of debentures 
12th issue of debentures 

14th issue of debentures 

17th issue of debentures 

18th issue of debentures 

21st issue of debentures 

22nd issue of debentures 

23rd issue of debentures  

24th issue of debentures  

Caixa Econômica Federal 
National Bank for Economic and Social 

Development (BNDES) PAC  

National Bank for Economic and Social 
Development (BNDES) PAC II 9751 
National Bank for Economic and Social 
Development (BNDES) PAC II 9752 
National Bank for Economic and Social 
Development (BNDES) Onda Limpa 

Current 

Noncurrent 

Total 

Final Maturity 

  December 31, 2019  

Interest Rates* 
(in thousands of R$) 

41,021 
45,450 

41,940 

289,211 

34,239 

150,000 

- 

- 

- 

83,519 

11,184 

6,990 

3,913 

23,704 

- 
203,829 

63,012 

263,226 

133,679 

349,660 

765,689 

864,603 

395,855 

41,021 
249,279 

104,952 

552,437 

167,918 

499,660 

765,689 

864,603 

395,855 

TJLP + 1.92% (1st & 3rd series) & IPCA 
+ 9.53% (2nd series) 
TR + 9.5% 
TJLP + 1.92% (1st & 3rd series) & IPCA 
+ 9.19% (2nd series) 
CDI + 0.75% (1st series) & IPCA + 
4.5% (2nd series) & IPCA + 4.75% (3rd 
series) 
TJLP + 1.92% (1st and 3rd series) & 
IPCA + 8.25% (2nd series) 
CDI + 0.60% (1st series) & CDI + 
0.90% (2nd series) 
CDI + 0.58% (1st series) & CDI + 0.90% 
(2nd series) & IPCA + 6.00% (3rd series) 
CDI + 0.63% (1st series) & CDI + 0.49% 
(2nd series) 
IPCA + 3.20% (1st series) & IPCA + 
3.37% (2nd series) 

2020 
2025 

2022 

2023 

2024 

2022 

2025 

2027 

2029 

1,341,660 

1,425,179 

2020/2039 

TR + 5% to 9.5% 

27,854 

40,685 

24,457 

39,038 

47,675 

28,370 

100,582 

124,286 

2023 

2027 

2027 

2025 

2.5% + TJLP 

2.15% + TJLP 

1.72% + TJLP 

1.72% + TJLP 

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Denominated in local currency: 
National Bank for Economic and Social 
Development (BNDES) Tietê III 
National Bank for Economic and Social 

Development (BNDES) 2015 

National Bank for Economic and Social 

Development (BNDES) 2014 

Leases 
Leases (IFRS 16) 

Other 
Interest and others charges  

Current 

Noncurrent 

Total 

Final Maturity 

52,874 

31,712 

4,659 
27,314 
51,088 

1,665 
77,460 

383,191 

460,646 

25,411 
432,357 
23,365 

8,207 
- 

436,065 

492,358 

30,070 
459,671 
74,453 

9,872 
77,460 

2028 

2035 

2026 
2035 
2023 

Total denominated in local currency 

977,943 

5,907,968 

6,885,911 

  December 31, 2019  

Interest Rates* 
(in thousands of R$) 

1.92% + TJLP 

2.5% + TJLP 

1.76% + TJLP 
7.73% to 10.12% + IPC 
6.01% to 9.84% 
TJLP + 1.5% (FINEP) & 3.0% 
(FEHIDRO) 

Denominated in foreign currency: 
Inter-American Development Bank 

(IADB) US$572,241,000  
(2018 - US$616,404,000) 

International Bank for Reconstruction 

and Development (IBRD) 
US$88,871,000 (2018 – 
US$91,286,000) 

Eurobonds - US$350,000,000 
(2017 – US$ 350,000,000) 

JICA 15 - ¥ 11,524,300,000 
(2018 - ¥ 13,829,160,000) 
JICA 18 - ¥ 10,361,600,000  
(2018- ¥ 11,397,760,000) 
JICA 17 - ¥ 2,830,420,000  
(2018- ¥ 1,826,957,000) 
JICA 19 - ¥ 31,736,565,000  
(2018 - ¥ 31,561,726,000) 

IADB 1983AB – US$ 40,769,000 (2018 

– US$ 58,462,000) 
Interest and others charges 

Total denominated in foreign 

currency 

Total loans and financing 

170,051 

2,121,438 

2,291,489 

2025 to 2035 

3.31% to 3.42% 

24,505 

330,898 

355,403 

1,409,921 

- 

1,409,921 

42,813 

38,493 

12,466 

67,372 

71,312 
44,967 

385,315 

346,237 

91,845 

428,128 

384,730 

104,311 

1,109,644 

1,177,016 

91,521 
- 

162,833 
44,967 

2034 

2020 

2029 

2029 

2035 

2037 

2023 

2.85% 

6.25% 

1.8% & 2.5% 

1.8% & 2.5% 

1.2% & 0.01% 

1.7% & 0.01% 

LIBOR + 2.08% to 2.38% 

              1,881,900  
          2,859,843  

              4,476,898  
           10,384,866  

             6,358,798  
          13,244,709  

   *   TR was 0.00% per month as of December 31, 2019; CDI stands for Interbank Deposit Rate (Certificado de Depósitos Interbancários), which was 4.40% 
per annum as of December 31, 2019; IGP-M was 7. 30% per annum as of December 31, 2019; TJLP stands for Long-term Interest Rate (Taxa de Juros a 
Longo Prazo), published quarterly by the Central Bank, which was 5.57% per annum as of December 31, 2019; and USD LIBOR was 1.91 as of December 
31, 2019. 

The following table shows the maturity profile of our debt, as of December 31, 2019, for the period indicated: 

Loans and financing 

2,859.8 

1,140.9 

1,204.6 

995.3 

1,295.8 

5,748.3 

13,244.7 

2020 

2021 

2022 

2023 

2024 

After 2025 

Total 

(in millions of reais) 

Referring to all of our foreign currency-denominated indebtedness, the amount of R$4.219.6 million, net of transaction costs, as of December 31, 2019 

was denominated in U.S. dollars and R$2.094.2 million was denominated in Japanese Yen. This indebtedness consisted principally of:  

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•   R$2,291.5  million  (US$572.2 million)  in  U.S.  dollar  denominated  loans  contracted  with  the  Inter-American  Development  Bank,  or  the  IADB, 

composed of the following:   

(i)  

one loan to finance the second phase of the Tietê Project in 2000, under which payments of principal are made in semiannual installments with 
final maturity in July 2025.  The principal amount accrues interest at USD LIBOR plus a variable spread paid semiannually; and  

(ii)   one loan to finance the third phase of the Tietê Project in 2010, under which payments of principal are made in semiannual installments with 

final maturity in September 2035.  The principal amount accrues interest at USD LIBOR plus a variable spread paid semiannually;   

•   R$355.4 million (US$88.9 million) in U.S. dollar denominated loans contracted with the IBRD which was entered into on October 28, 2009, amounting 
to US$100.0 million, for the financing of the Water Source Program (Programa Mananciais), a program ended in 2017, which consisted of various 
projects  that  focused  on  the  preservation and improvement  of  water  sources  in  the  metropolitan region  of  São  Paulo.  The  loan matures  in  March 
2034.  Repayments of principal will be made in semiannual installments starting in September 2019 after a grace period of ten years.  The principal 
amount accrues interest at USD LIBOR plus a variable spread, paid semiannually; 

•   R$162.8 million (US$40.8 million) in U.S. dollar denominated loans from the AB Loan financing contracted with the IADB in May 2008.  Under this 
loan, payments of principal are made in annual installments with final maturity in May 2023.  The principal amount accrues interest at USD LIBOR 
plus a rate varying from 2.08% to 2.38%, paid semiannually.  The proceeds were used to repay an outstanding series of debt securities in connection 
with the implementation of our investment plan;  

•   R$1,409.9 million (US$350.0 million) in U.S. dollar denominated Eurobonds issued in December 2010 with an interest rate of 6.25%.  The bonds pay 
interest semi-annually and mature in 2020.  The proceeds from the offering were used to repay financial commitments throughout 2007 and 2011; and 

•   R$2,094.2 million (¥56,452.9 million) in Japanese Yen denominated loans contracted with the JICA, composed of the following:  (i) ¥11.524.3 million 
denominated loans contracted in August 2004 for the financing of the environmental recovery program for the Baixada Santista metropolitan region, 
called the Clean Wave Program (Programa Onda Limpa).  Under these loans, the payments of principal are made in semi-annual installments with 
final maturity in August 2029.  The principal amount accrues interest at a rate that varies from 1.8% to 2.5% per year, paid semiannually; (ii) ¥2.830.4 
million in denominated loans contracted in October 2010 for the financing of the environmental improvement program in the basin of the Billings 
dam.  The loan matures in October 2035, with repayments of principal made in semiannual installments.  The principal amount accrues interest at a 
rate that varies from 0.01% to 1.2% per year, paid semiannually; (iii) ¥10.361.6 million denominated loans contracted in February 2011 to complement 
the financing for the first stage of the Clean Wave Program (Programa Onda Limpa), with commercial conditions similar to the loan entered into in 
August 2004.  These funds were used for the provision of works and services in the Baixada Santista metropolitan region.  The credit agreement expires 
in 18 years with final maturity in August 2029. The principal amount accrues interest at a rate that varies from 1.8% to 2.5% per year, paid semiannually; 
and (iv) ¥31.736.6 million denominated loan in February 2012 for the financing of the Program for Water Loss Reduction (Programa de Redução de 
Perdas de Água).  The loan matures in February 2037.  Repayments of principal will be made in semiannual installments starting in February 2019 
after a grace period of seven years.  The principal amount accrues interest at a rate that varies from 0.01% to 1.7% per year, paid semiannually. 

Our borrowings from multilateral institutions and with Government Agency, such as the IADB, IBRD and JICA are guaranteed by the federal government, 
and  have  a  counter-guarantee  from  the  state  of  São  Paulo.  For  further  information  on  the  terms  of  these  loan  agreements,  see  “Item 7.B.  Related  Party 
Transactions—Government Guarantees of Financing.” 

Our  outstanding  domestic  debt  was  R$6,885.9 million  as  of  December 31,  2019  and  consisted  primarily  of  real-denominated  loans  from  federal  and 
state-owned  banks,  in  particular,  Caixa  Econômica  Federal  and  BNDES,  as  well  as  debentures  issued  in  November 2009,  June 2010,  February 2011, 
January 2013, October 2013, June 2014, June 2017, February 2018, May 2019 and July 2019, and financial leasing. 

The following summarizes our principal borrowings from federal and State-owned banks:   

•   from 2003 to 2019, we entered into several financing agreements with Caixa Econômica Federal, pursuant to which repayments of principal are paid 
in  up  to  in  60,  180  or  240 months  in  monthly  installments  commencing  30 days  following  the  applicable  grace  period,  which  varies  from  10  to 
48 months from the date of signature of the line of credit agreement.  The final maturity is 2042. The principal amount accrues interest from 5.0% to 
8.0%.  The financing agreements are collateralized (i) by the pledge of collections of monthly billings of water supply and sewage services up to three 
monthly installments until reaching the total amount of the debt, or (ii) by a monthly plan of billings corresponding to the minimum of three times the 
monthly charge, depending on the terms of the relevant financing agreement. As of December 31, 2019, the outstanding debt was R$1,425.2 million;   

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•   in  May 2008,  we  entered  into  a  R$174.0 million  financing  agreement  with  BNDES.   Repayments  of  the  principal  amount  are  being  made  in  150 
successive monthly installments, with final maturity in 2023.  The principal amount accrues interest at the TJLP, but limited to 6.0% per year, plus 
2.15% per year.  If the TJLP exceeds 6.0% per year, such excess will be added to the principal amount.  The financing agreement is collateralized by 
part of the billings from the provision of water and sewage services. As of December 31, 2019, the outstanding debt was R$39.0 million; 

•   in March 2010, we entered into a R$294.3 million financing agreement with BNDES.  Repayments of the principal amount are being made in 156 
successive monthly installments, with final maturity in 2025.  The principal amount accrues interest at the TJLP, but limited to 6.0% per year, plus 
1.92% per year.  If the TJLP exceeds 6.0% per year, such excess will be added to the principal amount. The financing agreement is collateralized by 
part of the billings from the provision of water and sewage services. As of December 31, 2019, the outstanding debt was R$124.3 million;  

•   in 2011, we entered into financial leases in the total amount of R$49.6 million with certain contractors for the construction of infrastructure on land we 
own.  During the construction phase, we recognized a contract asset (as of December 31, 2018, with the adoption of IFRS 15 - Revenue from contract 
with customer, since 1 January 2018, assets related to concessions under construction, registered under the scope of IFRIC 12 - Concession Contracts, 
are classified as Contract Assets during the construction period and are transferred to Intangible Assets only after completion of the works. For more 
information,  see  Notes  3.3  (b)  and  13  to  our  2019  financial  statements  included  in  this  annual  report)  and  the  related  liability  of  the  lease  at  fair 
value.   Upon  the  conclusion  of  the  construction,  we  began  paying  the  rental  of  the  infrastructure  (in  240  installments)  and  the  lease  was  updated 
accordingly to the contract. On August 31, 2013, SES Campo Limpo Paulista and Várzea Paulista started operations, and the corresponding amount as 
of December 31, 2014 was of R$138,602 million. As of December 31, 2019, the outstanding debt was R$459.6 million; 

•   in March 2012, we entered into a R$180.8 million financing agreement with BNDES. Amortization of the principal amount is being made in up to 156 
successive monthly installments, with the final maturity in 2027.  The principal amount accrues interest at the TJLP but it is limited to 6.0% per year 
plus a yearly 1.72%.  If the TJLP exceeds 6.0% per year, such excess will be added to the principal amount.  This financing agreement is collateralized 
with a portion of the revenues from the provision of water and sewage services. As of December 31, 2019, the outstanding debt was R$76.1 million;    

•   in February 2013, we entered into a R$1.3 billion financing agreement with BNDES.  Amortization of the principal amount is being made in up to 144 
successive monthly installments with the final maturity in 2028.  The principal amount accrues interest at the TJLP but is limited to 6.0% per year plus 
a yearly 1.66%.  If the TJLP exceeds 6.0% per year, such excess will be added to the principal amount.  This financing agreement is collateralized with 
a portion of the revenues from the provision of water and sewage services. As of December 31, 2019, the outstanding debt was R$436.1 million;  

•   in June 2014, we entered into a R$61.1 million financing agreement with BNDES.  Amortization of the principal amount is being made in up to 108 
successive monthly installments after the grace period of 36 months, with the final maturity in 2026.  The principal amount accrues interest at the TJLP 
but is limited to 6.0% per year plus a yearly 1.76%. If the TJLP exceeds 6.0% per year, such excess will be added to the principal amount. This financing 
agreement is collateralized with a portion of the revenues from the provision of water and sewage services. As of December 31, 2019, the outstanding 
debt was R$30.1 million;  

•   in June 2015, we entered into a R$747.4 million financing agreement with BNDES.  Amortization of the principal amount is being made in up to 204 
successive monthly installments after the grace period of 36 months, with the final maturity in 2035.  The principal amount accrues interest at the TJLP 
but is limited to 6.0% per year plus a yearly 2.18%.  If the TJLP exceeds 6.0% per year, such excess will be added to the principal amount.  This 
financing agreement is collateralized with a portion of the revenues from the provision of water and sewage services. As of December 31, 2019, the 
outstanding debt was R$492.3 million; and  

•   in October 2015, we entered into a R$48.3 million financing agreement with Funding Authority for Studies and Projects (Financiadora de Estudos e 
Projetos, or FINEP).  Repayments of the principal amount shall be paid in up in 91 successive monthly installments after the grace period of 30 months, 
with the final maturity in 2025. The principal amount accrues interest at the TJLP, but it limited to 6.0% per year plus a yearly 1.5%. If TJLP exceeds 
6% per year, such excess will be added to the principal amount. This financing agreement is collateralized with a portion of the revenues from the 
provision of water and sewage services.As of December 31, 2019, the outstanding debt was R$9.9 million. 

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Under the BNDES program, we issued three tranches of debentures in the aggregate amount of R$826.1 million.  In November 2009, we issued our tenth 
tranche of debentures in the aggregate principal amount of R$275.4 million.  The debentures are divided in three series:  the first and third series will mature 
in November 2020 and the second in December 2020.  The debentures of the first and third series, in the aggregate principal amount of R$77.1 million and 
R$115.7 million, respectively, bear interest at 1.92% per year, plus the TJLP.  If the TJLP exceeds 6.0% per year, such excess will be added to the principal 
amount.  The debentures of the second series, in the aggregate principal amount of R$82.6 million, bear interest at the rate of the IPCA index plus 9.53% per 
year.  This issuance was entirely subscribed by BNDES.  As of December 31, 2019, the outstanding debt of the tenth issuance of debentures is R$41.0 million. In 
February 2011, we issued our fourteenth tranche of debentures, the second tranche out of those three, also subscribed exclusively by BNDES. These debentures 
are divided in three series:  the first and third series will mature in February 2022 and the second, in March 2022.  The debentures of the first and third series, 
in the aggregate principal amount of R$77.1 million and R$115.7 million, respectively, bear interest at 1.92% per year, plus the TJLP.  If the TJLP exceeds 
6.0% per year, such excess will be added to the principal amount.  The debentures of the second series, in the aggregate principal amount of R$82.6 million, 
bear interest at the rate of the IPCA index plus 9.20% per year.  As of December 31, 2019, the outstanding debt of the fourteenth issuance of debentures is 
R$104.9 million.  In October 2013, we concluded our eighteenth issuance of debentures, the third tranche out of those three also subscribed exclusively by 
BNDES.  These debentures are divided in three series:  the first and third series will mature in October 2024 and the second, in November 2024.  The debentures 
of the first and third series, in the aggregate principal amount of R$77.1 million and R$115.7 million, respectively, bear interest at 1.92% per year, plus the 
TJLP.  If the TJLP exceeds 6.0% per year, such excess will be added to the principal amount.  The debentures of the second series, in the aggregate principal 
amount of R$82.6 million, bear interest at the rate of the IPCA index plus 8.26% per year.  In December 2013, BNDES subscribed to the debentures of the first 
and second series.  In December 2014 and July 2015, BNDES subscribed in part to the debentures of the third series and will subscribe to the other debentures 
of the third series in 2020.  We have used the funds raised from the three issuances for investments primarily in the Program for Water Loss Reduction and on 
improvements and reforms of the Rio Grande’s water treatment plant, including other projects for water supply and sewage collection systems in the São Paulo 
Northern Coast, Paraíba Valley and Mantiqueira Regions. As of December 31, 2019, the outstanding debt of the eighteenth issuance of debentures is R$167.9 
million.  

In June 2010, we carried out our twelfth issuance of debentures, totaling R$500 million, to the FGTS, based on the FGTS’s program to finance companies 
in the sanitation, transport and real estate businesses.  The debentures will mature in June 2025 and bear monthly interest based on the TR plus 9.5% per 
year. The proceeds of this issuance were used to fund a portion of our capital expenditure program in the water supply and sewage system. As of December 
31, 2019, the outstanding debt of the twelfth issuance of debentures is R$249.3 million.   

In January 2013, we carried out our seventeenth issuance of debentures of R$1.0 billion in three series, the first for R$424.7 million with maturity date of 
January 2018 and with an interest rate of 0.75% per year plus the CDI rate, the second for R$395.2 million with a maturity of January 2020 and with the interest 
rate of 4.50% per year plus IPCA variation and the third for R$180.1 million with a maturity date of January 2023 and with an interest rate of 4.75% per year 
plus IPCA variation.  The proceeds of this issuance were used to pay our financial commitments for 2013. As of December 31, 2019, the outstanding debt of 
the seventeenth issuance of debentures is R$552.4 million. 

In June 2017, we carried out our twenty-first issuance of debentures in two series in the aggregate principal amount of R$500 million. The first and second 
series will mature in June 2020 and 2022, respectively. The debentures of the first series (in the aggregate principal amount of R$150 million) bear interest at 
a rate of CDI plus 0.60% per year. The debentures of the second series (in the aggregate principal amount of R$350 million) bear interest at a rate of CDI plus 
0.90% per year. The proceeds of this issuance were used to strengthen our cash position and refinance financial commitments which mature in 2017. As of 
December 31, 2019, the outstanding debt of the twenty-first issuance of debentures is R$499.7 million. 

In February 2018, we carried our twenty-second issuance of debentures in three series in the aggregate principal amount of R$750 million. The first, 
second and third series will mature in February 2021, 2023 and 2025 respectively. The debentures of the first series (in the aggregate principal amount of 
R$100 million) bear interest at a rate of CDI plus 0.58% per year, with semi-annual interest payments.  The second series (in the aggregate principal amount 
R$400 million) bears interest at a rate of CDI plus 0.90% per year, with semi-annual interest payments. The third series (in the aggregate principal amount 
R$250 million) bears interest at a rate of IPCA plus 6.00% per year, with annual interest payments. The proceeds from this funding were used to strengthen 
our cash position and refinance outstanding financial commitments in 2018. As of December 31, 2019, the outstanding debt of the twenty-second issuance of 
debentures is R$765.7 million. 

In May 2019, we issued our twenty-third issuances of debentures divided into two series in the aggregate principal amount of R$866,755,000.00. The first 
and second series will mature in May 2024 and 2027 respectively. The debentures of the first series (in the aggregate principal amount of R$491,755,000.00) 
bear interest at a rate of CDI plus 0.49% per year, with semi-annual interest payments. The second series (in the aggregate principal amount R$375 million) 
bears interest at a rate of CDI plus 0.63% per year, with semi-annual interest payments. The proceeds from this funding were used to strengthen our cash 
position and refinance outstanding financial commitments in 2019. As of December 31, 2019, the outstanding debt of the twenty-third issuance of debentures 
was R$864.6 million. 

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In July 2019, we issued our twenty-fourth issuances of debentures divided into two series in the aggregate principal amount of R$400 million. The first 
and second series will mature in July 2026 and 2029 respectively. The debentures of the first series (in the aggregate principal amount of R$100 million) bear 
interest at a rate of IPCA plus 3.20% per year, with annual interest payments. The second series (in the aggregate principal amount R$300 million) bears interest 
at a rate of IPCA plus 3.37% per year, with annual interest payments. The proceeds from this funding are intended to support investment in infrastructure 
projects  in  some  municipalities  in  which  our  company  render  services.  As  of  December  31,  2019,  the  outstanding  debt  of  the  twenty-  fourth  issuance  of 
debentures was R$395.9 million. 

In April 2020, we carried out our twenty-fifth issuance of debentures of R$1.45 billion, with a maturity date of October 2021 and bearing interest at a rate 
of CDI plus 3.30% per year. The proceeds of this issuance are intended to strengthen our cash position and refinance outstanding financial commitments in 
2020. 

Part of our real-denominated indebtedness is indexed to take into account the effects of inflation.  This debt provides for inflation-based increases to the 

principal amount, determined by reference to the IPCA. 

Financial Covenants 

We are subject to financial covenants under the agreements evidencing or governing our outstanding indebtedness. 

Foreign currency denominated indebtedness 

With respect to our indebtedness denominated in U.S. dollars, including our borrowings from the IADB, we are subject to financial covenants, including 

limitations on our ability to incur debt. For example: 

The financial covenants in our Loan No. 1212 from the IADB require as follows: 

•   our tariff revenues must be sufficient to cover the operational expenses of our system, including administrative, operating and maintenance expenses, 

and depreciation; 

•   our tariff revenues must provide a return on the balance sheet value of our property, plant, and equipment of not less than 7%; and 

•   during project execution, the balance of our short-term borrowings must not exceed 8.5% of our total equity. 

This contract contains an early maturity clause in the event of non-compliance on our part, of any obligation stipulated therein or in other contracts with 

the bank relating to the financing of the above-mentioned projects. 

The financial covenants in our AB Loan Agreements with the IADB (No. 1983AB) require as follows: 

•   our debt service coverage ratio must be greater than or equal to 2.35:1.00; and 

•   our  ratio  of  Net  Debt  (defined  as  all  borrowed  money,  including  debentures  and  Eurobonds,  less  interest  and  financial  charges  that  have  been 
provisioned for the current period) to Adjusted EBITDA (defined as our net income before net financial expenses, income tax and social contribution 
tax, depreciation and amortization, non-operating income or expenses, and extraordinary items net of income tax and social contribution, as set forth 
in our consolidated financial statements), each determined on a consolidated basis, must be less than 3.65:1.00. 

This contract contains an early maturity clause. In the event of non-compliance with the terms of the contract, the BID can request the anticipated payment 
of part or all of the loan. The contract also contains cross-default provisions whereby an event of non-compliance on our part relating to any other of our debts 
with BID or third-parties (in this case, if over US$25 million) allows BID to request the early payment of the loan.  

The indenture relating to our US$350.0 million 6.25% notes due 2020 prohibit, subject to some exceptions, the incurrence of additional debt in the event 
that: (i) the ratio of Adjusted Total Debt to adjusted EBITDA (as defined in the related indentures) is greater than 3.65:1.00; or (ii) the Debt Service Coverage 
Ratio (as defined in the related indentures) is less than 2.35:1.00.  This agreement has a cross-default clause, i.e. the early maturity of any debt in connection 
with our loans or the loans of any of our subsidiaries in a total principal amount of US$50.0 million or more (or the corresponding amount in other currencies) 
shall imply this agreement’s early maturity.  See Note 16 to our financial statements included in this annual report. 

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Any significant devaluation of the real will affect the total portion of our debt denominated in foreign currencies when measured in reais.  As a result, the 

Adjusted Total or Net Debt in reais will be affected, with consequent impact on the ratio between Adjusted Total or Net Debt to adjusted EBITDA. 

As of December 31, 2019 and 2018, we had met all the requirements of these loans and financing agreements. 

Local currency denominated indebtedness  

With respect to our outstanding indebtedness denominated in reais, we are subject to financial covenants. 

The covenant clauses apply to all of our indebtedness with BNDES, including the 10th, 14th, and 18th issuances of debentures held by BNDES, which 
totaled  R$313.8  million  as  of  December  31,  2019.   The  only  financing  agreement  which  is  exempt  from  the  renegotiated  financing  is  contract  No. 
08.2.0169.1.  See Note 16 to our financial statements included in this annual report.  

 In summary, the BNDES financings specify two bands for the ratios of Adjusted Net Debt / Adjusted EBITDA, Adjusted EBITDA / Adjusted Financial 
Expenses, and Other Onerous Debt / Adjusted EBITDA.  The financings also specify a collateral mechanism by which we assign a portion of our tariff payment 
receivables to BNDES in order to provide a partial guarantee of the amounts due under the financings.  Under this mechanism, each month we must ensure 
that a  portion  of  the tariff  payments  which  we  receive are  deposited  on  a  daily basis  into a  blocked  collateral  account,  before  being  released  to a  regular 
movements account later in the day provided that BNDES has not notified the bank that we are in default.  If the ratio of Adjusted EBITDA / Adjusted Financial 
Expenses is equal to or higher than 3.50, the ratio of Adjusted Net Debt / Adjusted EBITDA equal to or lower than 3.00, and the Other Onerous Debt / Adjusted 
EBITDA equal to or lower than 1.00, the amount that must pass through this blocked collateral account is R$225.9 million per month.  If one of the three ratios 
mentioned  above  are  not  met  in  any  two  or  more  quarters,  consecutive  or  not,  within  a  twelve-month  period,  yet  remain  within  the  following  band  of 
ratios:  Adjusted EBITDA / Adjusted Financial Expenses lower than 3.50 but equal to or higher than 2.80, Adjusted Net Debt / Adjusted EBITDA equal to or 
lower than 3.80 but higher than 3.00, and Other Onerous Debt / Adjusted EBITDA equal to or lower than 1.30 but higher than 1.00, the amount that must pass 
through the blocked collateral account is automatically increased by 20%.   

The current covenant clauses are:   

A.  Maintenance of the following ratios, calculated quarterly and relative to amounts accumulated over the last 12 months at the time of disclosure of 

reviewed quarterly financial statements or audited annual financial statements: 

•   Adjusted EBITDA / Adjusted Financial Expenses equal to or higher than 3.50; 

•   Adjusted Net Debt / Adjusted EBITDA equal to or lower than 3.00; and 

•   Other Onerous Debt / Adjusted EBITDA equal to or lower than 1.00 (where “Other Onerous Debt” is equal to the sum of (i) social security 
liabilities and health care plans, (ii) installment payments of tax debt and (iii) installment payments of debt with electricity providers).   

B.  If any one of the ratios specified in A. above are not met in any two or more quarters, consecutive or not, within a twelve-month period, we shall be 
deemed to be in non-compliance with the first band ratios and must, as a result, automatically increase the amount passing through the blocked collateral 
account by 20%, provided that the following second band ratios are met: 

•   Adjusted EBITDA / Adjusted Financial Expenses lower than 3.50 but equal to or higher than 2.80;   

•   Adjusted Net Debt / Adjusted EBITDA equal to or lower than 3.80 but higher than 3.00; and 

•   Other Onerous Debt / Adjusted EBITDA equal to or lower than 1.30 but higher than 1.00. 

C.  If any one of the second band ratios specified in B. above are not met for any one quarter, or if we are required to but fails to ensure that the increased 
monthly amount specified in B. above passes through the blocked collateral account, then we shall be deemed to be in non-compliance with its ratio 
covenants, in which case BNDES may at its discretion: 

•  

•  

require us to provide additional financial guarantees within a deadline specified by BNDES, which may not be less than 30 days; 

suspend the release of funds; and/or 

•   declare the financings to be immediately due and payable. 

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As of December 31, 2019, the amount that must pass through the blocked collateral account is R$255.3 million per month, not including the financial 

guarantees for financing contract No. 08.2.0169.1. 

The financial covenants applicable to financing contract No. 08.2.0169.1 are the following: 

•   Adjusted EBITDA / Adjusted Net Operational Revenue equal to or higher than 38%; 

•   Adjusted EBITDA / Adjusted Financial Expenses equal to or higher than 2.35; and 

•   Adjusted Net Debt / Adjusted EBITDA equal to or lower than 3.20. 

BNDES will annually verify the maintenance of the ratios mentioned above for contract 08.2.0169.1 by reviewing our audited annual financial statements, 
which must be presented to BNDES or published by April 30 of the following year to which the financial statements refer.  If we maintain all of the financial 
covenants for contract 08.2.0169.1, BNDES will reduce the interest charged on this loan from 2.15% to 1.82% per annum.  If the financial covenants are 
maintained, the interest rate is reduced as of June 16 of the same year in which the financial covenants were verified until June 15 of the subsequent year. 

The financing agreement established with BNDES in March 2010 is subject to a cross-default clause.  For example, the early maturity of any of our debts, 
the financial contracts and/or amounts of which may compromise the obligations stipulated in the indenture shall cause the early maturity of such agreement. 

Additionally, since 2018, we are subject to financial covenants under the new financing agreements executed with Caixa Econômica Federal. These 

financial covenants require us to maintain the following financial indexes, calculated for the past twelve months on a quarterly basis: 

- Adjusted EBITDA / Adjusted Financial Expenses, equal to or greater than 2.80; 

- Adjusted Net Debt / Adjusted EBITDA, equal to or lower than 3.80; 

- Other Onerous Debt / Adjusted EBITDA equal to or lower than 1.30. 

These agreements provide that disbursements may be suspended if any of these covenants are not being complied with. In the event of non-compliance 

with the terms of these agreements, Caixa Econômica Federal may request the anticipated payment of the entire loan. 

The agreements with Caixa Econômica Federal also contain a cross-default clause and an early maturity clause, in the event of non-compliance with the 
terms of the contract, the Caixa Econômica Federal can request the anticipated payment of part or all of the loan. See Note 16 to our financial statements 
included in this annual report. 

With respect to our outstanding debentures, the twelfth issuance requires us to maintain an Adjusted Current Ratio (current assets divided by current 
liabilities, excluding from current liabilities the current portion of noncurrent debts incurred by us that is recorded in current liabilities) higher than 1.0:1.0 and 
an EBITDA/Financial Expenses Ratio equal to or higher than 1.5:1.0.  The twelfth debenture issuance has an early maturity clause, which is triggered if our 
credit ratings are downgraded two levels below the “brAA-” Brazil National Scale rating assigned to our debentures by the credit rating agency S&P at the 
time of their issuance. On July 11, 2018, our credit rating and the one assigned to the twelfth debenture issuance by S&P were both “brAAA.” This issuance 
has a cross-default clause.  

The tenth, fourteenth and eighteenth issuances follow the covenants included in the BNDES loans, as described above, and contain a cross-default clauses.  

The seventeenth issuance requires us to maintain an adjusted EBITDA/paid financial expenses ratio equal to or higher than 1.5:1.0 and an adjusted total 

debt/adjusted EBITDA ratio equal to or lower than 3.65:1.0.  This issuance has a cross-default clause.  

The table below shows the more restrictive covenants ratios and our financial covenants ratios as of December 31, 2019. 

The  twenty-first,  twenty-second,  twenty-third,  twenty-fourth  and  twenty-fifth  debenture  issuances  require  us  to  maintain  an  adjusted  EBITDA/paid 
financial expenses ratio equal to or higher than 1.5:1.0 and an adjusted net debt/adjusted EBITDA ratio equal to or lower than 3.50:1.0. These issuances have 
a cross-default clause.  

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Adjusted EBITDA / Adjusted financial expenses  
Adjusted net debt / Adjusted EBITDA 
Adjusted total debt / Adjusted EBITDA 
Other onerous debt1/ Adjusted EBITDA 
Adjusted current ratio 
EBITDA/Paid financial expenses 
Net debt/Adjusted EBITDA 

Restrictive Ratios 
Equal to or higher than 2.80:1.00 
Equal to or lower than 3.80:1.00 
Lower than 3.65:1.00 
Equal to or lower than 1.30:1.00 
Higher than 1.0 
Equal to or higher than 2.35:1.00 
Equal to or lower than 3.50:1.0 

Ratio as of December 31, 2019 
6.33 
1.48 
1.75 
0.45 
1.32 
10.19 
1.45 

(1)     “Other Onerous Debts” correspond to the sum of social security liabilities, health care plan, installment payment of tax debts and installment payment 

of debts with the electricity supplier. 

As of December 31, 2019 and 2018, we complied with all the covenants of our loans and financing agreements. 

Capital Requirements 

We have, and expect to continue having, substantial liquidity and capital resource requirements.  These requirements include debt-service obligations, 
capital  expenditures  to  maintain,  improve  and  expand  our  water  and  sewage  systems,  and  dividend  payments  and  other  distributions  to  our  shareholders, 
including the State. 

Capital Expenditures 

Historically, we have funded and plan to continue funding our capital expenditures with funds generated by operations and with long-term financing from 
international and national multilateral agencies and development banks.  We generally include in our capital expenditure program for the following year the 
amount of investment that was not realized in the previous year.  In 2019, we recorded R$5.1 billion to improve and expand our water and sewage system and 
to protect our water sources in order to meet the growing demand for water and sewage services in the state of São Paulo. We have budgeted investments in 
the  amount  of  approximately  R$20.2  billion  from  2020  through  2024.   See  “Item 4.A.  History  and  Development  of  the  Company—Capital  Expenditure 
Program.” 

Dividend Distributions 

We are required by our bylaws to make dividend distributions, which can be made as payments of interest on shareholders’ equity to our shareholders in 
an  amount  equal  to  or  higher  than  25%  of  the  amounts  available  for  distribution.   In  addition,  our  dividend  policy,  which  was  approved  at  the  annual 
shareholders’ meeting held on April 29, 2019, establishes that this percentage shall be maintained until the universalization of basic sanitation services in the 
areas where we operate. We declared dividends of R$941.0 million, R$792.2 million and R$703.9 million in 2019, 2018 and 2017 and, respectively. As of the 
date of this annual report, we do not intend to suspend the distribution of dividends during the ongoing COVID-19 pandemic. See “Item 7.B. Related Party 
Transactions—Dividends.” 

C.      Research and Development, Patents and Licenses, Etc. 

Research and innovation 

Our  strategic  innovation  process  goes  beyond  the  development  of  new  technologies,  products  and  services.   It  involves  the  creation  of  new  business 
models, new ways of meeting the needs of consumers, new organizational processes, new ways of competing and cooperating in the business environment and 
improvements to service delivery, while at the same time promoting protection of the environment and public health. 

We set up a Corporate “Research, Technological Development and Innovation” Program, which allows us to differentiate the financial resources spent 
specifically for this purpose within our budget structure.  In 2019, we allocated R$17.4 million to Research, Development and Innovation, or RD&I, projects. 
These  resources  are  a  differential  in  our  results  and  indicate  our  capacity  for  innovation  and  pioneering,  which  can  bring  fiscal,  tariff  and  financial 
advantages.  In addition, in September 2019, based on programs already in place in the power and gas sectors, ARSESP created the Quadrennial Research and 
Technological Development Program for Innovation in Basic Sanitation Services (the “PD&I Program”), establishing the application of the 0.05% revenue 
required in Research and Technological Development projects.  ARSESP also approved the Elaboration and Evaluation Manual of the PD&I Program. We are 
required to file a portfolio of PD&I Program projects for analysis and prioritization by ARSESP. The Quadrennial Program will produce tariff effect in the 
2020 annual adjustment. However, taking the scenario of reduced revenues in the short term resulting from the COVID-19 pandemic into account, ARSESP 
published Resolution No. 991/2020 which suspended the implementation of the Four-year Research and Technological Development Program for Innovation 
in Sanitation Services scheduled for May 2020. See “—Tariff Readjustment and Revisions.” 

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In line with business planning, the structuring of RD&I actions is based on the concept of a circular economy and resource recovery, that is, based on the 
intelligence of nature, the circular process opposes the traditional linear production process. As part of this concept, residues are inputs for the production of 
new products and new cycles. We have highlighted below certain RD&I projects that use the concept of a circular economy as part of the processes for the 
water and sewage treatment. 

The sequential implementation of integrated actions for liquid, solid and gaseous sewage treatment phases at the sewage treatment plant in Franca aims 
to optimize processes and transform the site into a resource recovery plant. An additional project has also been implemented to transform biogas from the 
sewage treatment process into biomethane, which has been used to supply our vehicle fleet in the same municipality. The biomethane project is the result of a 
technical cooperation agreement with the Fraunhofer Institute in Germany. This project is the only one in Latin America that produces biomethane from sewage 
treatment. The plant treats an average of 500 liters per second of sewage and produces around 2,500 m³ of biogas per day, enough to replace 1,500 liters of 
common gas daily. It currently supplies part of the unit’s fleet of vehicles.  

At the same plant, we developed and are operating a sludge dryer based on solar radiation, financed by the Funding Authority for Studies and Projects 
(Financiadora de Estudos e Projetos, or FINEP) in the “Technological Innovations Plan of Sabesp for Sanitation” financed by the FINEP Inova Brasil program. 

At the Barueri sewage treatment plant, we implemented a plasma gasification system for the processing of sludge generated.  It is current in the adjustment 
phase to ensure it fully operates in a continuous and safe way. At the end of the process, the system generates inert residue with drastic reduction in its volume. 
The project was funded by FINEP. 

In order to generate clean energy to improve the efficiency of sewage treatments we installed solar-powered aerators, increasing the removal of sewage 
sludge. Test results indicate that this technology can be replicated and adapted elsewhere.  Shortage of water is an increasingly imminent problem in large 
urban centers. Accordingly, an increasingly conscious use of water and the search for alternative ways of reusing water are essential.  With regard to projects 
that use the concept of the circular economy in the processes of water treatment, we have undertaken tests for the use of ceramic membranes for the ultrafiltration 
of silicon carbide for the recovery of waste water from water treatment plants. Test results point to the feasibility in the use of this technology. 

In partnership with the São Paulo State University Júlio de Mesquita Filho - UNESP, we are evaluating the technical and environmental feasibility of the 

use of sludge from water treatment plants as raw material for the base and sub-base of pavements, adding value to a by-product.  

We also developed biofiltration units for odor control to be installed in the sewage and pumping stations in Pinheiros and Pomar, in the city of São Paulo. 

This is an example of a project fostered by studies developed internally by us. This project is also funded by FINEP. 

From  our  partnership  with  FAPESP  financial  resources  are  invested  equally  to  subsidize  and  support  the  development  of  basic  and  applied  research 
projects under the Program for Support of Research in Partnership for Technological Innovation for research projects in academic or research institutions, 
whose themes originated from the demands pointed out by the operational areas. This partnership has already resulted in 17 projects with different universities, 
such as: University of São Paulo - USP, Technological Institute of Aeronautics - ITA, Federal University of São Paulo - UNIFESP, National Institute for Space 
Research - INPE and São Paulo State University - UNESP. The partnership provides for a non-refundable financing of R$ 50 million, divided equally between 
us and FAPESP. The first and second summons to select projects to finance led to the filing of seven patent and one software registration requests. In March 
2020, we launched the third summon, to which we will finance projects up to a total of R$8 million and which we expect to conclude by November 2020. 

Open Innovation 

We are investing in the development and implementation of actions as part of Open Innovation, integrating ideas, thoughts, processes and research from 
players  from  various  internal  and  external  segments  of  our  company,  aiming to improve its  processes,  products and  services.  This  project  includes:  Pitch 
Sabesp; partnerships among sanitation companies, participation in collaborative networks and Coworking, among others. 

Pitch Sabesp was a public competition launched in 2018, in which 27 challenges were proposed in five different areas of the sanitation sector, with a focus 
on innovative solutions that could add competitive advantages to our products and services.  Throughout 2019, technological application project sites were 
mapped for the technical conditions necessary for a controlled environment. The conclusion of the technical and financial feasibility assessment for the solutions 
is scheduled for 2020. 

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Collaborative  Networks  for  Innovation,  in  which  we  participate,  provide  integration  with  the  different  spheres  of  government,  startups,  companies, 
universities, development institutions, etc. All players seek to add knowledge and experience, to build joint solutions for the challenge of implementing open 
innovation  in  the  public  sector.  The  participation  of  the  Urban  Living  Labs  working  group  (urban  sustainability  laboratory  -  ULL)  associated  with  an 
international consortium, the Belmont Forum, supported by the nexus among water use, food and power generation, or FEW. 

We also have a second agreement with FAPESP to focus on supporting the execution of scientific and/or technological research in micro, small and 
medium enterprises in the State of São Paulo, through the Small Enterprises Innovation Program aimed at accelerating start-ups focused on the development 
of innovative projects that solve challenges faced by us. 

We publish the DAE Magazine, a quarterly engineering journal published by a specialized team of opinion makers that in 2019 totaled more than 220 
issues since its first edition. This journal was indicated in the Qualis/CAPES system from the “B2” to “B1” category in July , 2019. Through the publication 
of technical and scientific articles on basic and environmental sanitation, we aim to encourage and disseminate improvements in processes, innovations and 
technological advances. 

D.      Trend Information  

Several factors may affect our future results of operations, liquidity and capital resources, including:  

•   the interests of our controlling shareholder; 

•   our potential corporate reorganization, as approved by State Law No. 16,525 on September 15, 2017 or any other type of reorganization that might be 

approved by the government that may include change in control; 

•   regulations issued by ARSESP regarding several aspects of our business, with respect to our ability to adjust our tariffs and the competency of state 

and municipalities to manage their sanitation affairs; 

•   general economic, political, demographical, health and other conditions in Brazil and in other countries; 

•   the effects of extreme weather events; 

•   the effects of any continuous international financial turmoil that may affect liquidity in the Brazilian capital and lending markets; 

•   the effects that further changes in the Basic Sanitation Law and its interpretation may have on the basic sanitation industry in Brazil and on us; 

•   the effects of inflation in our results of operations; 

•   the effects of fluctuations in the value of the Brazilian real and in interest rates on our net interest income; 

•   the renewal of our concession agreements; 

•   the impact on our business of lower water consumption practices adopted by our customers during the water crisis, which we do not know if they will 
return to their prior standards despite the discontinuation of the measure we adopted to serve the São Paulo metropolitan region during the water crisis, 
or if the impact will be compensated by tariffs established by ARSESP;  

•   investments made, by some sectors, during the water crisis in search of alternative sources of supply, such as the drilling of artesian wells, the reuse of 

water and the use of rainwater;  

•   any measures that we may be required to take to ensure the provision of water to our customers;  

•   our ability to access financing with favorable terms in the future; 

•   the potential impacts on our business caused by the approval and conversion of the Bill No. 4,162/2019 into law, which is currently under discussion; 

•   the impact of widespread health developments, such as COVID-19, and the governmental, regulatory, consumer and other responses thereto and its 
effects on our operating revenues and financial condition as a result of, inter alia, a decrease in water consumption and an increase in defaults in certain 
sectors and an increase in non-payment of water bills; 

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•   the outcome of any pending or future legal proceedings; and 

•   the formalization of agreements with certain of the municipalities we serve. 

Some of these factors are described in more detail under “5.A. Operating and Financial Review and Prospects.” 

In addition, you should read “3.D. Risk Factors” for a discussion of the risks we face in our business operations, which could affect our business, financial 

condition or results of operations.  

E.      Off-Balance Sheet Arrangements 

We had no off-balance sheet arrangements as of December 31, 2019. 

F.       Tabular Disclosure of Contractual Obligations  

Our debt obligations and other contractual obligations as of December 31, 2019 were as follows: 

Less than 1 year 

1-3 years 

3-5 years 

   More than 5 years 

Total 

Loans and financing 
Estimated interest payments(1) 
Accounts payable to suppliers and contractors 
Services payable 
Program contract commitments 
Purchase obligations(2) 
Total 

2,859.8 
443.9 
369.6 
474.1 
276.6 
3,191.8 
7,615.8 

2,345.5 
824.6 
- 
- 
78.7 
4,803.3 
8,052.1 

2,291.1 
601.7 
- 
- 
33.0 
1,933.8 
4,859.6 

5,748.3 
967.6 
- 
- 
13.8 
3,043.4 
9,773.1 

(in millions of reais) 

13,244.7 
2,837.8 
369.6 
474.1 
402.1 
12,972.3 
30,300.6 

(1)     Estimated interest payments on loans and financing were determined considering the interest rates as of December 31, 2019.  However, our loans 
and  financing  are  subject  to  variable  interest  indexation  and  foreign  exchange  fluctuations,  and  these  estimated  interest  payments  may  differ 
significantly from payments actually made.  The debt agreements have cross-default clauses. 

(2)     The purchase obligations are the contractual obligations of investments and expenses. 

We believe that we can meet the maturity schedule through a combination of funds generated by operations, the net proceeds of new issuances of debt 
securities in the Brazilian and international capital markets and additional borrowings from domestic and foreign lenders.  Our borrowings are not affected by 
seasonality.  For information concerning the interest rates on our indebtedness outstanding as of December 31, 2019, see Note 16 to our financial statements 
as of December 31, 2019 and 2018 and for the years ended December 31, 2019, 2018 and 2017, included elsewhere in this annual report. 

ITEM 6.            DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES 

A.      Directors and Senior Management 

Under our bylaws and Brazilian Corporate Law, we are managed by our board of directors (Conselho de Administração), which currently consists of nine 

directors, and a board of executive officers (Diretoria), which currently consists of six executive officers. 

As  our  controlling  shareholder,  the  State  has  the  ability  to  elect  the  majority  of  our  board  of  directors  and,  therefore,  our  direction  and  future 
operations.  Upon the election of a new State governor and any resulting change in the administration of the State, all or some of the members of our board of 
directors, including our chairman, have historically been replaced by designees of the new administration. Our board of directors may in turn replace some or 
all of the executive officers. See “Item 3.D. Risk Factors—Risks Relating to Our Control by the State of São Paulo—We are controlled by the State of São 
Paulo, whose interests may differ from the interests of non-controlling shareholders, including holders of ADSs.”   

Board of Directors  

Our bylaws provide for a minimum of seven and a maximum of eleven directors.  The members of our board of directors are elected at a general shareholders’ 
meeting to serve a two-year term.  Such terms may be renewed three consecutive times. Pursuant to our bylaws, our employees have the option to elect one 
member of our board of directors.  Currently, our employees have not elected a director. In addition, pursuant to Law No. 6,404/1976 of December 15, 1976, 
as amended, or the “Brazilian Corporate Law,” at least one member of the board of directors of mixed capital companies, such as us, must be appointed by the 
minority shareholders.  Finally, according to the Novo Mercado rules and Federal Law No. 13,303/16, at least two, or 25.0% (whichever is greater), of the 
board of directors must be comprised of independent members. 

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All the current members of our board of directors were elected at the annual shareholders’ meeting held on April 27, 2018, except for Benedito Pinto 
Ferreira Braga Junior who joined our board of directors on January 10, 2019 when he was appointed our Chief Executive Officer, and Wilson Newton de Mello 
Neto who joined our board of directors on October 24, 2019. The tenure of all the directors will end on May 14, 2020, when the members elected at our annual 
shareholders’ meeting held on April 28, 2020 are expected to take office. Currently, we have six members considered independent under the Novo Mercado 
rules and Federal Law No. 13,303/16. 

Our board of directors ordinarily meets once a month or, when necessary for the interests of our company, when called by a majority of the directors or 
the  chairman.  Its  responsibilities  include the  establishment  of  policy  and  general orientation  of  our  business,  and  the  appointment and  supervision  of  our 
executive officers. 

The following are the names, ages, positions, dates of election and brief biographical descriptions of the current members of our board of directors: 

Director 
Mario Engler Pinto Junior 
Benedito Pinto Ferreira Braga Junior 
Wilson Newton de Mello Neto 
Reinaldo Guerreiro  
Francisco Vidal Luna  
Luís Eduardo Alves de Assis(2)  
Francisco Luiz Sibut Gomide  
Lucas Navarro Prado 
Ernesto Rubens Gelbcke 

Age 
63 
72 
48 
67 
73 
63 
74 
39 
76 

Position 
Chairman 
Member 
Member 
Independent Member(1) 
Independent Member(1) 
Independent Member(1) 
Independent Member(1) 
Independent Member(1) 
Independent Member(1) 

Date Elected 
April 27, 2018 
January 10, 2019 
October 24, 2019 
April 27, 2018 
April 27, 2018 
April 27, 2018 
April 27, 2018 
April 27, 2018 
April 27, 2018 

(1)      These members comply with the independence requirements established by Federal Law No. 13,303/16 and the Novo Mercado rules. 
(2)      Member appointed by the minority shareholders. 

Mario Engler Pinto Junior. Mr. Engler has been the Chairman of our board of directors since April 2018. Before that, he served as member of our board 
of directors from 2006 to 2011 and as member of our audit committee from 2006 to 2009. He holds a PhD degree in Commercial Law from Getúlio Vargas 
Foundation Law School (Fundação Getúlio Vargas – FGV) and is now a professor at the same institution. At FGV Law School, Mr. Engler is the coordinator 
for the professional master’s program and conducts legal research regarding contractual and corporate arrangements in the public and private sector. He has 
been a lawyer since 1979 and served for 30 years as public attorney for the State of São Paulo from 1984 to 2014. In the last years, he has been an arbitrator 
and  executive officer and director for private companies and State-owned enterprises.  

Benedito Pinto Ferreira Braga Junior. Mr. Braga has been our Chief Executive Officer and a member of our board of directors since January 2019. He 
has  a  degree in civil  engineering  from the  School  of Engineering  of  São  Carlos  of  the  University  of  São  Paulo (Escola  de Engenharia  de  São Carlos  da 
Universidade de São Paulo – USP), a master’s degree in Hydrology from Stanford University, a master’s degree in Hydraulics from USP, and a PhD in Water 
Resources from Stanford University. He was Secretary of Sanitation and Water Resources of the State of São Paulo from January 2015 to May 2018 and was 
the Chairman of our Board of Directors from January 2015 to April 2018. He was a professor at the Polytechnic School of University of São Paulo from 1980 
to 2019. He was Co-Chairman of the International Organizing Committee of the World Water Forum in Brasilia (2018), in Korea (2015) and Chairman of the 
Committee in France (2012). He is Honorary President of the World Water Council – WWC, of which he was the President from 2012 to 2018. Mr. Braga was 
also the President of the Intergovernmental Council of UNESCO’s International Hydrological Program from 2008 to 2009, President of the International Water 
Resources Association – IWRA, from 1998 to 2000, as well as, Director of the National Water Agency from 2001 to 2009.  

Wilson Newton de Mello Neto.  de Mello Neto has been a member of our board of directors since October 2019.  He holds a bachelor’s degree in Law 
from the Pontifical Catholic University of Sao Paulo (Pontifícia Universidade Católica de São Paulo - PUC/SP). He has been the CEO of Investe São Paulo 
since April 2019 and a member of the Industrial Policy Council of the Brazilian National Confederation of Industry (Confederação Nacional da Indústria - 
CNI) since March 2019.  He was Vice-President of Corporate Affairs and General Secretary at Danone from May 2015 to March 2019; Director of Corporate 
Affairs at JBS S.A. from September 2014 to May 2015; Vice-President of Corporate Affairs at BRF S.A. from June 2010 to August 2013; Legal and New 
Business Director at Tishman Speyer Ltda. from March 2009 to May 2010; Vice-President of Corporate Affairs at Walmart Brasil Ltda. from March 2004 to 
April 2007; and partner at Machado, Meyer, Sendacz e Opice Advogados from June 1992 to February 2004 and from May 2007 to February 2009. Mr. de 
Mello Neto was also Vice-President of the Brazilian Supermarket Association (Associação Brasileira de Supermercados -ABRAS) from May 2004 to April 
2007; member of the Executive Board of the Brazilian Association of Advertisers (Associação Brasileira de Anunciantes - ABA) from May 2015 to March 
2019; and Chairman of the Board of Directors of the Brazilian Food Industry Association (Associação Brasileira da Indústria de Alimentos - ABIA) from 
March 2018 to March 2019. 

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Reinaldo Guerreiro.  Mr. Guerreiro has been an independent member of our board of directors since January 2007.  He holds a doctorate in Accounting 
and  Controllership,  a  Master’s  degree  in  Accounting  and  Controllership  and  a  Bachelor’s  degree  in  Accounting  Sciences,  all  of  them  from  the  Business, 
Economics and Accounting School at the University of São Paulo (FEA - USP).  As a professor of FEA-USP, he was Director and currently is the Deputy 
Head of the Accounting Department.  As a Brazilian National Council for Scientific and Technological Development (CNPq) researcher, he has authored books 
in management accounting and has published various scientific articles in domestic and international magazines. Mr. Guerreiro was a member of our Audit 
Committee from January 2007 to May 2017. He is currently President of Audit Committee of Petrobras Gás S.A. (Gaspetro). He is also a specialized consultant 
in financial management and has worked on various projects in the areas of financial management, costs, budget and IT in a variety of companies, such as 
Banco do Brasil, Caixa Econômica Federal, Previ, Correios and for the São Paulo State Government - GESP. 

Francisco Vidal Luna.  Mr. Luna has been an independent member of our board of directors since April 2013 and a member of our Audit Committee from 
April  2013  to  September  2016.   He  has  a  doctorate  in  Economics  from  the  Business,  Economics  and  Accounting  School  at  the  University  of  São  Paulo 
(Universidade de São Paulo - USP) and is a retired professor of the same university. He was member of the Board of Directors of BNDES. In the public sector, 
he has served as the Secretary of Planning for the state and city of São Paulo.  He has also worked at the Treasury Department for the State of São Paulo and 
the Federal Planning Bureau, among other roles.  In the private sector, he was the Executive Chairman of Banco Inter American Express S.A. He is currently 
a member of the Board of Directors and Chairman of the Audit Committee of Desenvolve SP, member of the Audit Committee of the Petrobrás Conglomerate, 
a member of the Board of Trustees of the Fundação Faculdade de Medicina - FFM and a member of the Board of Trustees of FIPE - Fundação Instituto de 
Pesquisas Econômicas. 

Luís Eduardo Alves de Assis.  Mr. Assis has been an independent member of our Board of Directors since April 2014 and a member of our Audit Committee 
since September 30, 2016.  He holds a degree in Economics from the University of São Paulo (Universidade de São Paulo - USP), a Master’s degree from the 
State University of Campinas (Universidade Estadual de Campinas – UNICAMP) and an MBA from Scuola Superiore Enrico Mattei in Milan, Italy.  He was 
director of Monetary Policy of the Central Bank of Brazil and a professor in the Department of Economics at the Pontifical University of São Paulo (Pontifícia 
Universidade Católica de São Paulo - PUC-SP) and at the Getulio Vargas Foundation (Fundação Getulio Vargas - FGV-SP).  He has developed his long career 
in the financial market, having held the positions of Chief Economist and Investment Director at Citibank, Chief Executive Officer at HSBC Investment Bank 
Brasil, Chief Executive Officer at HSBC Asset Management, Chief Operating Officer at HSBC Bank Brasil, Senior Strategic Planning Executive at the HSBC 
Group in London and Local Director for Latin America at HSBC. Currently, he serves as the President of Fator Seguradora and as vice-president of the Fernand 
Braudel Institute of World Economics council. He also writes an opinion column for the newspaper O Estado de São Paulo.  

Francisco Luiz Sibut Gomide.   Mr. Gomide has been an independent member of our board of directors since April 2017. He was a member of our Audit 
Committee from May 2017 to August 2017. He holds Bachelor’s degrees in Civil Engineering and in Economic Sciences from the Federal University of Paraná 
(Universidade Federal do Paraná) and a PhD in Hydrology and Water Resources from the Colorado State University. He was the Minister of Mines and 
Energy in 2002, CEO of ESCELSA – Espírito Santo Centrais Elétricas S.A. between 1995 and 2001, the CEO of the Energy Company of Mato Grosso do Sul 
between 1997 and 2001, the General Brazilian Diretor of Itaipu Binacional between 1993 and 1995, the CEO of the Energy Company of Paraná (Companhia 
Paranaense de Energia – Copel) between 1986 and 1993 and the Chief Financial Officer of the same company from 1983 to 1985. Mr. Gomide was also a 
professor at the Federal University of Paraná (Universidade Federal do Paraná) from 1970 to 1995. Between 1969 and 1982, he was a hydraulic engineer and 
hydrologist at the Energy Company of Paraná.    

Lucas Navarro Prado. Mr. Prado has been an independent member of our board of directors and a member of our Audit Committee since August 2017. 
He holds a law degree from the University of São Paulo (Universidade de São Paulo - USP) and a master’s degree in Corporate Finance and Investment 
Banking from the University of São Paulo’s Business Institute Foundation (FIA-USP).  From 2005 to 2007, he served as the advisor to the public-private 
partnership division of the Planning, Budget and Management Ministry of Brazil.  Mr. Prado served as an advisor to SABESP’s CEO between 2007 and 2009 
and as the head of SABESP’s legal department between 2009 and 2011.  

Ernesto Rubens Gelbcke. Mr. Gelbcke has been an independent member of our board of directors since April 2018. Mr. Gelbcke has a Bachelor’s degree 
and a Master’s degree in accounting sciences, both from the School of Economics, Administration and Accounting of the University of São Paulo (Faculdade 
de Economia, Administração e Contabilidade da Universidade de São Paulo – FEA USP). He worked at Arthur Andersen (various positions, including São 
Paulo audit coordinator and member of the Brazil technical policies committee) from 1965 to 1976, Directa Auditores (founder and CEO) from 1977 to 2014, 
Grant Thornton Brasil (chairman of the board of directors) from 2014 to 2015, Gelbcke Consultores (founder and consultant) since 2001, and GHG Contadores 
(founder) since 2017. He was one of the twelve elected members of the Accounting Pronouncements Committee, representing the Foundation Institute of 
Accounting, Actuary and Financial Research (Fundação Instituto de Pesquisas Contábeis, Atuariais e Financeiras – FIPECAFI) from its creation in 2006 until 
2016.  He  was  also  a  professor  at  FEA  USP  from  1971 to  2003,  professor  and coordinator  of  the  audit  specialization  course  at  the  Central  Bank  with the 
Foundation Institute for Accounting, Actuarial and Financial Research (Fundação Instituto de Pesquisas Contábeis, Atuariais e Financeiras – FIPECAFI) from 
1978  to  1980,  among  others.  He  has  authored  and  co-authored  various  articles,  technical  opinions  and  books,  such  as  “Accounting  Manual  for  Stock 
Companies”  (Manual  de  Contabilidade  das  Sociedades  por  Ações),  “Manual  for  Corporate  Accounting”  (Manual  de  Contabilidade  Societária),  and 
“Intermediate Accounting” (Contabilidade Intermediária). He was a member of the fiscal committee and of the audit committee of AMBEV S.A. from 2007 
to  2009,  a  member  of  the  Board  of  Directors  of  the  Brazilian  Institute  of  Independent  Accountants  (Instituto  dos  Auditores  Independentes  do  Brasil  – 
IBRACON) from 2015 to 2017, and a member of the audit committee of AES Eletropaulo in 2017, among others. Since 2017, he has been a member of the 
fiscal council of FIPECAFI. This term expires in 2019.  

We held our Annual General Meeting on April 28, 2020.  During the meeting our shareholders elected (i) Mario Engler Pinto Junior, Benedito Pinto 
Ferreira  Braga  Junior,  Wilson  Newton  de  Mello  Neto  and  Claudia  Polto  da  Cunha  to  be  members  of  our  Board  of  Directors;  and  (ii)  Francisco  Vidal 
Luna,  Reinaldo Guerreiro, Francisco Luiz Sibut Gomide, Lucas Navarro Prado and Eduardo de Freitas Teixeira and Walter Luis Bernardes Albertoni to be 
independent members of our Board of Directors.  Walter Luis Bernardes Albertoni is the member appointed by our minority shareholders. Their term of office 
is expected to commence on May 14, 2020. 

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Board of Executive Officers  

Our board of executive officers is composed of six executive officers appointed by our board of directors for a two-year term. Such terms may be renewed 
three consecutive times. Our executive officers are responsible for all matters concerning our day-to-day management and operations. Members of our board 
of executive officers have individual responsibilities established by our board of directors and our bylaws.  

The following are the names, ages, positions, dates of election and brief biographical descriptions of our board of executive officers: 

Executive Officer 
Benedito Pinto Ferreira Braga Junior 
Adriano Candido Stringhini 
Rui de Britto Álvares Affonso  
Paulo Massato Yoshimoto  
Ricardo Daruiz Borsari 
Alceu Segamarchi Junior 

Age 
72 
44 
62 
67 
64 
62 

Position 
Chief Executive Officer 
Corporate Management Officer 
Chief Financial Officer and Investor Relations Officer 
Metropolitan Region Officer 
Regional Systems Officer 
Technology, Enterprises and Environment Officer 

Date Elected 
June 13, 2019 
June 13, 2019 
June 13, 2019 
June 13, 2019 
June 13, 2019 
February 20, 2020 

Benedito Pinto Ferreira Braga Junior.  See above, “—Board of Directors.” 

Adriano Candido Stringhini. Mr. Stringhini has been our Corporate Management Officer since January 2019. He is also the current Governor (Board of 
Governors) of the World Water Council for the 2019-2021 triennium, he is a member of the Board of Directors of IMESP - Imprensa Oficial do Estado de São 
Paulo and was elected as Vice-Chairman of the Board of Aberje – Associação Brasileira de Comunicação Empresarial in 2020. He has a master’s degree in 
Law from the Law School of University of São Paulo (Faculdade de Direito da Universidade de São Paulo – USP). He has a degree in Law from USP and he 
is specialist in Organizational Strategic Communication and Public Relations from School of Communications and Arts of USP (Escola de Comunicações e 
Artes – ECA/USP). He was our Head of Communication from April 2009 to January 2019 and Head of Legal Affairs from 2007 to 2009. He was the Head 
Lawyer of Funding Authority for Studies and Projects (Financiadora de Estudos e Projetos -Finep-SP) of the Ministry of Science and Technology (Ministério 
da Ciência e Tecnologia) from 2002 to 2007. He was advisor to the Chief Executive Officer of the Administrative Council for Economic Defense (Conselho 
Administrativo de Defesa Econômica – CADE), between 1999 and 2001. He was a professor in undergraduate and graduate courses of several institutions, 
among them: Fundação Getúlio Vargas - FGV, Mackenzie University and School of Law of the Lawyers of São Paulo Institute (Escola Paulista de Advocacia 
do Instituto dos Advogados de São Paulo – IASP). 

Rui de Britto Álvares Affonso.  Mr. Affonso has been our Chief Financial Officer and Investor Relations Officer since July 2003.  Mr. Affonso holds a 
PhD and a Master’s degree in Economics from the State University of Campinas (Universidade Estadual de Campinas – UNICAMP), and a degree in Economics 
from the University of São Paulo (Universidade de São Paulo - USP).  He has been a professor at UNICAMP since 1986, a professor at the Business, Economics 
and  Accounting  School  of  USP  from  1983  to  1989,  and  a  Director  of  Public  Economy  at  the  Foundation  of  Administrative  Development  (Fundação  do 
Desenvolvimento Administrativo) from 1994 to 2003.  He also represented Brazil on the board of directors of the Forum of Federations, a non-governmental 
entity located in Canada, from 2000 to 2006.  Mr. Affonso has also held several positions in state government. In 2017 Mr. Affonso won the Professional 
Award of the Year of 2016 in Finance by ANEFAC/SERASA EXPERIAN - National Association of Executives of Finance, Administration and Accounting. 

Paulo Massato Yoshimoto.  Mr. Yoshimoto has been our Metropolitan Region Officer since February 2004.  He holds a degree in Civil Engineering from 
the Lins School of Engineering (Escola de Engenharia de Lins).  Mr. Yoshimoto joined us in 1983, and has held the positions of executive assistant to the 
operations office and head of the water production and maintenance and metropolitan planning departments.  Mr. Yoshimoto has also held the position of 
senior planning professional at Empresa Metropolitana de Planejamento from 1975 to 1983.  

Ricardo  Daruiz  Borsari.  Mr.  Borsari  has  a  degree  in  Civil  Engineering  and  a  master’s  degree  in  Civil  Engineering  from  the  Polytechnic  School  of 
University of São Paulo (Escola Politécnica da Universidade de São Paulo – USP). He was Secretary of Sanitation and Water Resources of the State of São 
Paulo from May to December 2018. He worked in several positions at the DAEE, among them: Engineer since 1978, Executive Officer from January 2015 to 
May 2018 and from June 2001 to February 2007, Executive Officer of Engineering and Construction Works from August 2010 to October 2011, Executive 
Officer of the Technology Center of Hydraulic and Water Resources from July 2008 to October 2011. He was Executive Secretary of the Alto Tietê River 
Basin Committee from 2001 to 2005 and from 2017 to 2018 and Chief Executive Officer and member of the Board of Directors of Metropolitan Water and 
Energy Company (Empresa Metropolitana de Águas e Energia – EMAE), from 2011 to 2015. He was a member of the Board of Directors of Companhia 
Energética de São Paulo - CESP between April 2015 and May 2018. Mr. Borsari was a professor at several institutions, including: School of Engineering of 
Mackenzie University from 1979 to 1980, School of Engineering of Fundação Armando Álvares Penteado – FAAP, from 1982 to 1986, Polytechnic School of 
USP, from 1989 to 2004, and Pontifical University Catholic of São Paulo – PUCSP, from 1997 to 2001. 

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Alceu Segamarchi Junior. Mr. Segamarchi has been our Technology, Enterprises and Environment Officer since February 2020. He holds a degree in 
Civil  Engineering  from  the  Pontifical  Catholic  University  of  Campinas  (Pontifícia  Universidade  Católica  de  Campinas  –  PUC Campinas)  a  postgraduate 
degree in Public Administration from the Getúlio Vargas Foundation (Fundação Getúlio Vargas – FGV), and a diploma from the Privatization and Infrastructure 
Program from Harvard University. He worked at the Department of Water and Electricity of the State of São Paulo (Departamento de Águas e Energia Elétrica 
do Estado de São Paulo - DAEE) Superintendent, from February 2019 to February 2020 and from March 2011 to January 2015. Mr. Segamarchi was also 
Nacional Secretary of Environmental Sanitation of the Ministry of Cities (Saneamento Ambiental do Ministério das Cidades) from May 2016 to April 2017, 
and  worked  in  the  municipality  of  Sorocaba  from  April  2017  to  December  2018  as  Secretary  of  Sanitation.  He  also  held  several  leadership  positions  at 
Companhia Paulista de Trens Metropolitanos - CPTM from 1996 to 2009 and worked at Ferrovia Paulista S.A. - Fepasa until 1996, where he began his career 
in 1980. 

B.      Compensation  

Pursuant to Brazilian Corporate Law, our shareholders are responsible for establishing the aggregate amount of compensation we pay to the members of 
our board of directors, members of our fiscal committee and our executive officers.  According to Instruction No. 480 issued by CVM, we have to periodically 
disclose certain information on the aggregate compensation such as averages and fringe benefits. 

In 2019, 2018 and 2017, the aggregate compensation, including benefits in kind granted that we paid to members of our board of directors, board of 
executive  officers  and  fiscal  committee  for  services  in  all  capacities  was  R$6.7 million,  R$  4.6  million  and  R$4.4  million,  respectively.  At  our  annual 
shareholders’  meeting  held  on  April  29,  2019,  our  shareholders  approved  R$4.8  million  in  aggregate  compensation  payable  to  members  of  our  board  of 
directors, members of our fiscal committee and our executive officers in 2019. On June 3, 2019, the annual total compensation of the management and members 
of the audit committee and fiscal council was adjusted to R$6,920 thousand in accordance with our Compensation Policy, amended by our Board of Directors 
on May 3, 2019. The aggregate compensation was adjusted again on November 26, 2019 to R$6,926 million, due to the election of a new member of the fiscal 
council. 

The table below sets forth the breakdown of the total compensation received by our directors and members of our board of executive officers and fiscal 

committee and other data related to their compensation for the periods indicated:  

Year ended December 31, 

2019 

2018 

2017 

(in thousands of R$, except where indicated otherwise) 

Total compensation per administrative body  
Board of directors 
Board of executive officers 
Fiscal committee 
Total amount of compensation 
Number of members (in individuals) 
Board of directors 
Board of executive officers 
Fiscal committee 
Fixed annual compensation 
Salary  
Board of directors 
Board of executive officers 
Fiscal committee 
Direct and indirect benefits 
Board of directors 
Board of executive officers 
Fiscal committee 
Variable compensation 
Bonus  
Board of directors 
Board of executive officers 
Fiscal committee 
Maximum amount of compensation  
Board of directors 
Board of executive officers 
Fiscal committee 

1,417 
5,000 
275 
6,692 

9 
6 
4 

1,084 
2,487 
212 

334 
1,165 
62 

- 
1,348 
- 

205 
867 
67 

1,106 
3,228 
280 
4,614 

10 
6 
5 

851 
1,849 
215 

255 
841 
65 

- 
538 
- 

162 
677 
66 

848 
3,208 
313 
4,369 

7 
6 
5 

659 
1,856 
247 

189 
796 
66 

- 
556 
- 

156 
691 
62 

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Minimum amount of compensation  
Board of directors 
Board of executive officers 
Fiscal committee 
Average amount of compensation  
Board of directors 
Board of executive officers 
Fiscal committee 

Year ended December 31, 

2018 

2017 

(in thousands of R$, except where indicated otherwise) 

99 
498 
60 

115 
516 
61 

96 
439 
62 

121 
535 
62 

2019 

121 
802 
67 

153 
810 
69 

At  our  annual  shareholders’  meeting  held  on  April  28,  2020,  our  shareholders  approved of  R$8.1  million  in  aggregate  compensation  payable  to  the 

members of our board of directors, members of our fiscal committee and our executive officers in 2020. 

Profit Sharing and Pension Plans 

We have established a pension and benefit fund (Fundação SABESP de Seguridade Social), or SABESPREV, to provide our employees with retirement 
and pension benefits. This pension plan provides benefit payments to former employees and their families.  Both we and our employees make contributions to 
the pension plan under SABESPREV, which we called as plan G1.  Our total contributions to the pension plan totaled R$37.0 million, R$36.2 million and 
R$48.7 million in 2019, 2018 and 2017, respectively.  In addition to the pension plan under SABESPREV, we are also required to pay supplemental pension 
payments relating to the employment contract of certain employees prior to the creation of SABESPREV, which we called as plan G0.  Based on independent 
actuarial  reports,  as  of  December 31,  2019,  our obligation  under  these  both  plans  (G0  and  G1) totaled  R$3,360.9 million.   For  further information  on  our 
pension plans see Note 20 to our financial statements included in this annual report. 

Beginning in 2008, payments under the profit-sharing plan were based both on general goals that evaluate us as a whole and on other goals that evaluate 

the performance our different business units. Payments are proportionally reduced annually if the goals are not completely achieved. 

We recorded profit-sharing expenses of R$93.5 million, R$110.5 million and R$94.4 million in 2019, 2018 and 2017, respectively.  We do not have a 

stock-option plan for our employees. 

C.      Board Practices 

The  members  of  our  board  of  directors  are  elected  at  an  annual  shareholders’  meeting  to  serve  a  two-year  term.  Such  term  may  be  renewed  three 
consecutive times.  We held our 2020 Annual General Meeting on April 28, 2020, when our shareholders elected new members to our board of directors. Their 
term of office is expected to commence on May 14, 2020. Our next annual shareholders’ meeting will be held in April 2021.  Our board of directors ordinarily 
meets once a month or when called by a majority of the directors or the chairman.  See “Item 6.A. Directors and Senior Management—Board of Directors.”  

Our board of executive officers is composed of six executive officers appointed by our board of directors for a two-year term. Such term may be renewed 
three consecutive times.  Although our bylaws provide that the meetings of our board of executive officers shall be held at least twice a month, meetings are 
held on a weekly basis.  See “Item 6.A. Directors and Senior Management—Board of Executive Officers.” 

None of our directors and/or executive officers is a party to an employment contract providing for benefits upon termination of employment.  Those 
directors and officers who are also our employees will remain as our employees after their tenure as directors and/or officers, in this case, maintaining all 
benefits granted to our employees. 

Fiscal Committee (Conselho Fiscal)  

Our fiscal committee, which is established on a permanent basis, consists of a minimum of three and a maximum of five members and generally meets 
once a month. Our fiscal committee currently consists of five sitting members and four alternates, since a fifth alternate elected by the minority shareholders 
resigned in July 2019. All of the current members of our fiscal committee were elected in the shareholders’ meeting held on April 29, 2019, except Ângelo 
Luiz Moreira Grossi and Andréa Martins Botaro, who joined our fiscal committee on November 26, 2019. Their tenure will end on May 12, 2020, when the 
members elected at our annual shareholders’ meeting held on April 28, 2020 are expected to take office.  The primary responsibility of the fiscal committee, 
which is independent from management and from the external auditors appointed by our board of directors, is to review our financial statements and report on 
them to our shareholders. 

The  following  are  the  names,  ages,  position,  date  of  election  and  brief  biographical  descriptions  of  the  current  and  alternate  members  of  our  fiscal 

committee: 

Fiscal Committee Members 
Humberto Macedo Puccinelli  
Pablo Andres Fernandez Uhart 
Manoel Victor de Azevedo Neto  
Ângelo Luiz Moreira Grossi 
Alexandre Pedercini Issa(1) 
Marcio Cury Abumussi 
Cassiano Quevedo Rosas de Ávila 
Nanci Cortazzo Mendes Galuzio 
Andréa Martins Botaro 

  (1)           Member indicated by the minority shareholders 

Age 
62 
46 
68 
39 
38 
51 
42 
57 
36 

Position 
Member 
Member 
Member 
Member 
Member 
Alternate 
Alternate 
Alternate 
Alternate 

Date Elected 
April 29, 2019 
April 29, 2019 
April 29 2019 
November 26, 2019 
April 29, 2019 
April 29, 2019 
April 29, 2019  
April 29, 2019 
November 26, 2019 

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Humberto Macedo Puccinelli.  Mr. Puccinelli has been a member of our fiscal committee since April 2011.  Mr. Puccinelli holds a degree in Economics 
from the Pontifical University of São Paulo (Pontifícia Universidade Católica de São Paulo - PUC-SP).  He worked at the Economy and Planning Secretariat 
State of São Paulo (Secretaria de Planejamento e Gestão do Estado de São Paulo) from 1985 to 1995, at the Health State Department as Assistant Secretary 
from 1995 to 1996, at the State Treasury from 1996 to 2002, and at the Economy and Planning Secretariat State of São Paulo as Assistant Secretary in 2003.  He 
has been the Technical Assistant of the State Treasury since January 2004.  

Pablo  Andrés  Fernández  Uhart.   Mr.  Uhart  has  been  a  member  of  our  fiscal  committee  since April  2017.  He  holds  a  Bachelor’s  degree  in  Public 
Administration from Getulio Vargas Foundation (Fundação Getúlio Vargas – FGV - SP) and an MBA from Pontifical Catholic University of Rio de Janeiro 
(Pontifícia Universidade Católica do Rio de Janeiro – PUC - RJ). He was also deputy Secretary for Planning and Management of the State of São Paulo and 
has more than twenty years of experience in finance, having held the positions of Corporate Controller, Head of the Latin America Treasury, Corporate Finance 
Advisor and Global Risk Manager at Nestlé from 1995 to 2013.  

Manoel Victor de Azevedo Neto.  Mr. de Azevedo Neto has been a member of our fiscal committee since April 2019. He holds a degree in Civil Engineering 
from  the  Engineering  School  of  the  Armando  Álvares  Penteado  Foundation  (Fundação  Armando  Álvares  Penteado  –  FAAP)  and  is  specialist  in  traffic 
engineering.  He  has  been  advisor  to  EMAE’s  CEO  since  February  2019.  He  worked  at  the  São  Paulo  Engineering  and  Traffic  Company  (Companhia  de 
Engenharia de Tráfego de São Paulo – CET) from 1976 to January 2019, holding the positions of Engineering and Signaling Supervisor from 1990 to 2000, 
Technical Assistant to the Board of Executive Officers from 2001 to 2002, Chief Operations Officer from 2017 to January 2019. He is a member of the Traffic 
Division of the São Paulo Engineering Institute and the Traffic Commission of the National Public Transportation Association. He was Deputy Officer and 
General  Coordinator  of  Normative  and  Strategic  Planning  of  the  National  Traffic  Department  (Departamento  Nacional  de  Trânsito  –  DENATRAN)  and 
Coordinator of the Thematic Engineering and Signaling Chamber from 1990 to 2000. He was Deputy Secretary of Green and the Environment of the São Paulo 
city government in 2013 and held other positions in the city government from 2006 to 2016. 

Ângelo Luiz Moreira Grossi. Mr. Grossi has been a member of our fiscal committee since November 2019. He holds a bachelor’s degree in Automation 
and Control Engineering from Federal University of Minas Gerais (Universidade Federal de Minas Gerais - UFMG), an MBA degree in Finance from the 
Brazilian Institute of Capital Markets (Instituto Brasileiro de Mercado de Capitais - IBMEC), an MBA degree in Project Management from the Institute of 
Technological  Education  (Instituto  de  Educação  Tecnológica  -  IETEC),  and  a  specialization  degree  in  Business  Management  from  the  Getúlio  Vargas 
Foundation  (Fundação  Getúlio  Vargas  -  FGV).   He  was  Corporate  Production  Manager  at  RHI-Magnesita  from  November  2004  to  March  2012;  Project 
Manager at Grupo J. Mendes (Ferro + Mineração, an iron ore company) from March 2012 to May 2015; Operations Manager at Rede Mater Dei de Saúde 
from 2015 to 2016; Planning, Finance and Investor Relations Officer (CFO) at Brazilian Airport Infrastructure Company (Empresa Brasileira de Infraestrutura 
Aeroportuária - INFRAERO) from June 2016 to January 2019; member of the Fiscal Council of Aeroportos Brasil Viracopos, from 2017 to 2018; and member 
of the Board of Directors of Agricultural Development Company of São Paulo (Companhia de Desenvolvimento Agrícola de São Paulo - CODASP) from 
February  to  August  2019.  Currently,  he  works  as  Director  of  Planning,  Management  and  Finance  at  Air  Transport  Department  of  the  São  Paulo  State 
government (Departamento Aeroviário do Estado de São Paulo - DAESP), and is a member of the Board of Directors of Desenvolvimento Rodoviário S.A. - 
DERSA, a São Paulo State road development company.  In 2018, Mr. Grossi was honored with a Certificate of Recognition by GCSM (Global Council of 
Sales and Marketing) in recognition of the work he carried out at INFRAERO. 

Alexandre Pedercini Issa. Mr. Padercini has been a member of our fiscal committee since April 2017. He holds a Bachelor’s degree in Administration 
from Milton Campos College (Faculdade Milton Campos) and an MBA in Strategic Business Management from the Foundation for Education and Culture of 
Minas Gerais (Fundação Mineira de Educação e Cultura – FUMEC). He is a member of the Board of Directors of Banco da Amazônia and since 2017 has 
been a member of the Board of Directors of the sanitation company of the State of Minas Gerais (Companhia de Saneamento de Minas Gerais – COPASA) 
from 2011 to 2016, a member of the fiscal committee of the telecommunications provider that is part of the Minas Gerais Energy Company Group (Companhia 
Energética de Minas Gerais – CEMIG) between 2013 and 2015, and member of the board of directors of the Minas Gerais Gas Company (Companhia de Gás 
de Minas Gerais), from 2015 to 2016.  

Marcio Cury Abumussi. Mr. Abumussi has been a member of our fiscal committee since April 2019.  He holds a degree in Mechanical Engineering from 
Universidade  Paulista  and  a  post-graduate  degree  in  Public  Management  –  Management,  Accounting  and  Finance  from  Fundação  Instituto  de  Pesquisas 
Contábeis Atuariais – FIPECAFI. Mr. Abumussi was the Head of the Technical Department of the Secretariat of Finance of the State of São Paulo, in which 
he  has  held  several  roles,  among  which:  technical  assistant  from  1997  to  2001,  Head  of  the  technical  division  from  2001  to  2008,  Head  of  the  technical 
department  from  2009  to  2019  and  general  administrative  coordinator  in  2017.  He  is  a  sitting  member  of  the  Fiscal  Council  of  São  Paulo  Previdência  - 
PREVCOM, He was a sitting member of the Fiscal Council of Companhia Paulista de Securitização – CPSEC from 2010 to 2017, Fiscal Council of  Companhia 
Paulista  de  Processamento  de  Dados  -  PRODESP  from  2018  to  2019  and  alternate  member  of  the  Fiscal  Council  of  Empresa  Paulista  de  Planejamento 
Metropolitano S.A. – Emplasa from 2010 to 2011.  

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Cassiano Quevedo Rosas de Ávila.  Mr. Ávila has been a member of our fiscal committee since April 2019. He holds a degree in Law from Sorocaba Law 
School  (FADI),  and  a  graduate  degree  in  Public  and  State  Law  from  Itu  Law  School  (Faculdade  de  Direito  de  Itu  -  FADITU),  a  graduate  degree  in 
Administrative  Law  from  the  Pontifical  University  of  São  Paulo  (Pontifícia  Universidade  Católica  de  São  Paulo  –  PUC/SP),  a  graduate  degree  in 
Environmental Law from Mackenzie Presbyterian University (Universidade Presbiteriana Mackenzie). He also holds a Master’s degree in Public Policies and 
Management from the Getúlio Vargas Foundation (Fundação Getúlio Vargas - FGV).  Mr. Ávila is currently the Chief of Staff at the Housing Office of the 
São Paulo State government, where he accounts for Public-Private Partnerships Group of the Agência Paulista de Habitação Social - Casa Paulista. He was 
advisor at the Sorocaba Association of Engineers and Architects and at Companhia de Desenvolvimento Habitacional e Urbano de São Paulo – CDHU. He 
was also an Administration and Infrastructure Officer in SPTrans. 

Nanci Cortazzo Mendes Galuzio.  Ms Galuzio has been a member of our fiscal committee since April 2019. Ms. Galuzio holds a bachelor’s degree in Law 
from Pontifical University of São Paulo (Pontifícia Universidade Católica de São Paulo – PUC/SP), and a postgraduate degree in Business Law and Business 
Management Information Systems from the same institution.  She also graduated from George Washington University. Currently, she is the Administrative 
and Financial Director at the Fundação Florestal of the Infrastructure and Environment Secretariat of the São Paulo State government. Previously, she worked 
as Corporate Management Director of Companhia Paulistana de Securitização from 2011 to 2013, Legal Manager at Emplasa S.A. from 2003  to 2011. She 
was a member of the Board of Directors of EMAE from 2014 to 2017 and a member of the Board of Directors of CPOS and of Develops SP, both from 2018 
to 2019. 

Andréa  Martins  Botaro.  Ms  Botaro  has  been  a  member  of  our  fiscal  committee  since November  2019.  She  holds  a  bachelor’s  degree  in  Business 
Administration  from  São  Camilo  University  Center  (Centro  Universitário  São  Camilo).  She  has  been  a  technical  advisor  at  the  Government  Secretariat 
(Secretaria de Governo)_of the São Paulo State government since June 2016. Ms. Botaro has more than 15 years of experience in the public sector and held 
positions at  the Secretariat  of  Civil  House  (Secretaria  da  Casa Civil)  of the  São  Paulo  State  government  from 2014  to  2015;  Secretariat  of Logistics  and 
Transport (Secretaria de Logística e Transportes) from 2007 to 2014; Secretariat of Energy, Water Resources and Sanitation (Secretaria de Energia, Recursos 
Hídricos e Saneamento) from 2005 to 2007; Secretariat of Energy (Secretaria de Energia) and São Paulo Energy Company (Companhia Energética de São 
Paulo - CESP) from 2001 to 2002. 

We held our Annual General Meeting on April 28, 2020.  During the meeting our shareholders also elected (i) Fabio Bernacchi Maia, Pablo Andrés 
Fernández Uhart, Edson Tomas de Lima Filho, Ângelo Luiz Moreira Grossi and Reginaldo Ferreira Alexandre to be sitting members of our Fiscal Committee; 
and (ii) Marcio Cury Abumussi, Cassiano Quevedo Rosas de Ávila, Nanci Cortazzo mendes Galuzio, Andréa Martins Botaro and Gisélia da Silva to be alternate 
members of our Fiscal Committee.  Mr. Reginaldo Ferreira Alexandre and Ms. Gisélia da Silva are the members appointed by our minority shareholders, and 
their  appointmemt  is  subject  to  review  by  our  Eligibility  and  Advisory  Committee  to  ensure  that  they  comply  with  the  relevant  requirements  of  their 
functions.   Their term of office is expected to commence on May 12, 2020.  

Audit Committee 

Our  bylaws  provide  for  an  audit  committee  to  be  comprised  of  three  board  members,  who  will  cumulatively  comply  with  the  requirements  of 
(i) independence, (ii) technical expertise, and (iii) identifying and complying with applicable exemptions in accordance with the United States Securities and 
Exchange Commission, or the SEC, and New York Stock Exchange, or NYSE, rules. Our Board of Directors determined that Ernesto Rubens Gelbcke qualifies 
as a financial expert under the SEC rules.  The members are appointed by the board of directors and pursuant to our bylaws, the members of our audit committee 
may be appointed simultaneously to their election to the board of directors or by a subsequent resolution. 

The audit committee is mainly responsible for assisting and advising the board of directors in its responsibilities to ensure the quality, transparency and 
integrity of our published financial information and financial statements. The audit committee is also responsible for supervising all matters relating to the 
Code of Business Conduct and Ethics, accounting, internal controls, the internal and independent audit functions, compliance, risk management and internal 
policies, such as the related parties transaction policy.  The audit committee and its members have no decision-making powers or executive functions. 

The minimum availability required from each member of the audit committee is thirty hours per month.  Under our bylaws, the members shall exercise 
their roles for the same period as their corresponding term of office, or until otherwise resolved by the general shareholders’ meeting or by resolution of the 
board of directors.  In the event that an audit committee member resigns or is removed from office after exercising any portion of his or her term, such member 
may only rejoin the audit committee at least three years from the end of such member’s term. All of our audit committee members are independent. 

The following are the names, positions and dates of election of the members of our audit committee: 

Audit Committee Members 
Ernesto Rubens Gelbcke 
Lucas Navarro Prado 
Luís Eduardo Alves de Assis  

Position 
Coordinator and Financial Expert 
Member 
Member 

Date Elected 
June 21, 2018 
June 21, 2018 
June 21, 2018 

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We held our Annual General Meeting on April 28, 2020.  During the meeting Ernesto Rubens Gelbcke and Luís Eduardo Alves de Assis were not reelected 

by our shareholders. The new members of our Audit Committee are expected to be elected by our Board of Directors on May 14, 2020. 

Eligibility and Advisory Committee 

In accordance with Federal Law No. 13,303/16, and pursuant to our bylaws, as approved at the extraordinary shareholders’ meeting held on April 27, 
2018, we created an Eligibility and Advisory Committee, responsible for supervising the process for the appointment and evaluation of members of our board 
of directors, executive board and fiscal council. 

This committee is composed of up to three members, elected by a general shareholders’ meeting, without a fixed term of office. Members must have at 
least three years’ professional experience in public administration, or three years’ experience in the private sector in an area in which, or related to which, we 
operate.  

The following are the names, positions and dates of election of the members of our Eligibility and Advisory Committee: 

Eligibility and Advisory Committee 
Fábio Aurélio Aguilera Mendes 
Laura Diaz Montiel 
Paula Cristina Nassif Elias de Lima 

Position 
Member 
Member 
Member 

Date Elected 
June 3, 2019 
June 3, 2019 
June 3, 2019 

Members of the Eligibility and Advisory Committee may attend board of directors’ meetings where matters related to this committee are discussed and 

have the right to speak, but not to vote, in accordance with our bylaws. 

This committee is also responsible for providing methodological and procedural support to the board of directors to evaluate the performance of officers 

and other members of statutory committees. 

We expect that a written charter addressing the committee’s purpose and detailing its required responsibilities will be approved by the board of directors. 

D.      Employees 

As of December 31, 2019, we had 13,945 full-time employees. On December 31, 2019, we had 1,049 interns and 624 apprentices (aprendizes), as defined 

by Federal Law No. 10,097/2000, dated December 19, 2000, as amended. 

The following table sets forth the number of our full-time employees by main category of activity and geographic location as of the dates indicated:  

Number of employees by category of activity: 
Projects and operations  
Administration  
Finance  
Marketing  
Number of employees by corporate division: 
Head office  
São Paulo metropolitan region  
Regional Systems  
Total number of employees   

As of December 31, 

2019 

2018 

2017 

10,212 
2,163 
419 
1,151 

1,451 
6,425 
6,069 
13,945 

10,683 
2,074 
433 
1,259 

1,485 
6,661 
6,303 
14,449 

9,176 
2,147 
387 
1,962 

1,342 
6,353 
5,977 
13,672 

The average tenure of our employees is approximately 19.7 years.  We also outsource certain services such as maintenance, delivery of water and sewage 

bills, meter reading, catering and security.  We believe that our relations with our employees are generally satisfactory. 

Approximately 62% of all our employees are members of unions.  The five main unions that represent our employees are (i) the Union of Workers in 
Water, Sewage and Environment of the State of São Paulo – SINTAEMA; (ii) workers union of Santos Urban Industries, Baixada Santista region, South Coast 
and Vale Ribeira – SINTIUS; (iii) the Union of Engineers of the State of São Paulo – SEESP; (iv) the Union of Attorneys of the State of São Paulo – SASP; 
and (v) the Union of Industrial Technicians of the State of São Paulo – SINTEC.   

The collective bargaining agreement signed in 2017 resulted in: (i) a salary increase of 3.7% (which corresponds to the inflation adjustment for the period); 
(ii) a 7.1% increase in meal vouchers; (iii) a 36.1% increase in food assistance; (iv) a 8.39% increase in nursery stipends; (v) maintenance of the clause from 
the 2016/2017 collective bargaining agreement which guarantees the employment of 98% of our employees; and (vi) maintenance of the Christmas food stipend 
on an exceptional basis. 

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The collective bargaining agreement signed in 2018 resulted in: (i) a salary increase of 1.29% (which corresponds to the inflation adjustment for the 
period); (ii) a  2% increase in meal vouchers; (iii) a 2% increase in food assistance; (iv) a 2% increase in nursery stipends; (v) maintenance of the clause from 
the 2017/2018 collective bargaining agreement which guarantees the employment of 98% of our employees; and (vi) maintenance of the Christmas food stipend 
on an exceptional basis. 

The collective bargaining agreement signed in 2019 resulted in: (i) a salary increase of 4.99% (which corresponds to the inflation adjustment for the 
period); (ii) a 4.99% increase in meal vouchers; (iii) a 4.99% increase in food assistance; (iv) a 38.59% increase in nursery stipends; (v) maintenance of the 
clause from the 2018/2019 collective bargaining agreement which guarantees the employment of 98% of our employees; and (vi) maintenance of the Christmas 
food stipend on an exceptional basis. In 2019, 2018 and 2017 there were no strikes. Under Brazilian law, our non-administrative employees are considered 
“essential employees” and, therefore, are limited in their right to strike.  

E.      Share Ownership 

As of December 31, 2019, less than 1% of our common shares were owned by our directors and executive officers. See “Item 7.A. Major Shareholder” 

for more information. 

ITEM 7.            MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS 

A.      Major Shareholder 

Our outstanding capital stock consists of 683,509,869 common shares, without par value.  Under state laws, the State is required to own at least one-half 
plus one of our outstanding common shares.  All of our shareholders, including the State, have the same voting rights. The following table sets forth ownership 
information for each of our shareholders that beneficially owned 5.0% or more of our common shares and for our officers and directors, individually and as a 
group, as of December 31, 2019: 

State of São Paulo(1) 
Directors and executive officers of Sabesp 
Others 
Total(2) 

Shares 
343,524,291 
3,000 
339,982,578 
683,509,869 

% 
50.3% 
0.0% 
49.7% 
100.0% 

(1)  It includes 343,524,285 shares held by the Secretariat of Finance and Planning of the State of São Paulo (Secretaria da Fazenda e Planejamento do 
Estado de São Paulo) and 6 shares held by Companhia Paulista de Parcerias, or CPP, which is controlled by the Government of the State of São 
Paulo. 

(2)  As of December 31, 2019, 62% of our outstanding common shares were held by 12,561 registered shareholders in Brazil. 

As of December 31, 2019, 15% of our outstanding common shares were held in the United States, in the form of ADSs.  According to the ADS depositary’s 
records, which contain information regarding the ownership of our ADSs, there were, as of December 31, 2019, 27 record holders of ADSs in the United States. 

On May 12, 2017, we announced that the State of São Paulo’s Privatization Program Board, established by State Law No. 9,361/1996, dated as of July 5, 

1996, resolved to take the following measures: 

(i)  

to proceed with studies aiming to provide alternatives to our current capitalization model;  

(ii) 

the hiring of the International Finance Corporation, a member institution of the World Bank Group; and  

(iii)  

the conclusion of an agreement between us and the São Paulo State Government, through the Secretariat of Sanitation and Water Resources 
(currently Secretariat of Infrastructure and Environment) and the Secretariat of Finance (currently Secretariat of Finance and Planning), to 
delineate the scope of the International Finance Corporation’s hiring and to govern the relationship between the contracting parties, 
including the proportional reimbursement of expenses. 

The proposed capitalization plan provides for the creation of a new parent company to which the State of São Paulo would transfer all of its ownership 
interest in us, thus maintaining direct control over our operations through this new parent company. In the process, institutional investors may be invited to 
participate in the new company’s capital, but the State of São Paulo will in any case retain sufficient shareholding interest to exercise corporate control, as 
required by law. 

In September 2017, the State of São Paulo obtained approval for State Law No. 16,525/2017, which authorizes the State of São Paulo to set up a controlling 
company to hold all of the shares that the State of São Paulo holds in our company. Once formed, this controlling company will control our company, pursuant 
to the provisions of Art. 116 of Law No. 6,404 of December 15, 1976, as amended, or the Brazilian Corporate Law. State Law No. 16,525/2017 allows other 
minority shareholders, including private companies and state companies, to hold shares of the controlling company, provided that the State of São Paulo holds 
the majority of the common shares of the controlling company. If and once formed, this controlling company may affect future shareholding in and the control 
of our company. Due to elections for state government in the second half of 2018, this operation was suspended, and we are currently awaiting guidance from 
the  State  Privatization  Program’s  Board  (Conselho  Diretor  do  Programa  Estadual  de  Desestatização  -  CDPED),  which  has  authority  over  our  corporate 
reorganization plan, including the formation of the controlling company, or any other type of corporate reorganization, including a change of control. On April 
24, 2019 the CDPED established a working group aimed at discussing alternative corporate structures for us. We cannot assure that any potential corporate 
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reorganization, including a change of control, will not have a material adverse effect on our business, financial condition or results of operations. The São Paulo 
State Government, our major shareholder, is awaiting the approval of changes to the basic sanitation legislation to decide if it will implement our potential 
corporate reorganization, which may involve a privatization or a capitalization plan. 

B.      Related Party Transactions 

Transactions with the State of São Paulo 

We have entered into extensive transactions with the State, which is our controlling shareholder, and we expect to continue to do so.  The State is our 
largest customer.  It owns some of the facilities that we use in our business, it is one of the governmental entities that regulate our business, and it has assisted 
us in obtaining financing on favorable terms. 

Many of our transactions with the State reflect policies of the State that depend on decisions of elected officials or public servants, and are accordingly 
subject to change.  Among the practices that could change are those described below concerning the provision of State guarantees, and the terms on which we 
use State-owned reservoirs. 

Rendering Services 

We provide water and sewage services to the federal government, state and municipal governments and government entities in the ordinary course of our 
business.  Gross revenue from sales to the State, including State entities, totaled R$556.6 million in 2019, R$501.1 million in 2018 and R$463.0 million in 
2017.  Our accounts receivable from the State for sanitation services totaled R$103.3 million, R$105.7 million and R$106.0 million, as of December 31, 2019, 
2018 and 2017, respectively.  In addition, as required by law, we invest our cash and cash equivalents with government financial institutions. 

Payment of Pensions 

Pursuant to a law enacted by the State, certain former employees of some State-owned companies that provided services to us in the past and later merged 
to form our company acquired a legal right to receive supplemental pension benefit payments.  These rights are referred to as “Plan G0.”  These amounts are 
paid by us, on behalf of the State, and are claimed by us as reimbursements from the State, as primary obligor.  In 2019, 2018 and 2017, we made payments to 
former employees of R$184.8 million, R$180.8 million and R$179.5 million, respectively in respect of Plan G0.  The State made reimbursements in 2019, 
2018 and 2017 in the amounts of R$152.1 million, R$173.5 million and R$192.9 million, respectively.   

Agreements with the State 

In September 1997, we and the State entered into a memorandum of understanding providing that we would, in effect, apply dividends we declared that 
were otherwise payable to the State to offset accounts receivable in connection with the provision of water and sewage services to the State and its controlled 
entities. 

On December 11, 2001, we entered into an agreement with the State and the DAEE.  Pursuant to this agreement, the State acknowledged and agreed, 

subject to an audit by a State-appointed auditor, to pay us amounts it owed to us in respect of: 

•   water and sewage services we provided to governmental agencies, State owned autonomous entities and foundations through December 1, 2001, and 
that was not offset in accordance with the September 1997 memorandum of understanding, in the total amount of R$358.2 million.  This amount was 
renegotiated and included in the second amendment to this agreement discussed below; and 

•   supplemental retirement and pension benefits we paid from March 1986 to November 2001 on behalf of the State to former employees of the State 
owned companies which merged to form our company; as we did not reach an agreement regarding these amounts, a joint inquiry has commenced in 
order to ensure agreement between us and the State, in the total amount of R$320.6 million.  This amount was renegotiated and included in the third 
amendment to this agreement discussed below.  

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The agreement provided that the DAEE would transfer to us ownership of the Taiaçupeba, Jundiaí, Biritiba, Paraitinga and Ponte Nova reservoirs (herein 
after referred to as “the reservoirs”), which form the Alto Tietê system, and that the fair value of these assets would reduce the amounts owed to us by the State. 

Under the December 2001 agreement, in 2002, a State-owned construction company (Companhia Paulista de Obras e Serviços), or the CPOS, on behalf 
of the State, and an independent appraisal firm (Engenharia de Avaliações), or the ENGEVAL, on our behalf, presented their valuation reports relating to the 
reservoirs.  Under the agreement, the arithmetic average of these appraisals is deemed the fair value of the reservoirs.  The appraisals contained in these reports 
were in the amounts of R$335.8 million and R$341.2 million, respectively.  Because we had already made investments in these reservoirs by then, the arithmetic 
average of the appraisals submitted to our board of directors by August 2002, R$300.9 million, was net of a percentage corresponding to these investments.  Our 
board of directors approved the valuation reports.  This amount was updated until September 2008 according to IPCA index and amounted to R$696.3 million. 

Under the December 2001 agreement, for amounts due in excess of the fair value of the reservoirs, the State is to make payments in 114 consecutive 
monthly installments.  The nominal amount owed by the State would not be indexed to inflation or earn interest if there was a delay in concluding the appraisal 
of fair value.  The installments will be indexed on a monthly basis by the IGP-M index, plus 6.0% per year, starting on the date the first installment becomes 
due. 

On October 29, 2003, the Public Prosecution Office of the State of São Paulo (Ministério Público do Estado de São Paulo), on behalf of the people of the 
State, brought a civil public action in a Trial Court of the State of São Paulo (12 Vara da Fazenda Pública do Estado de São Paulo) alleging that a transfer to 
us of ownership of the Alto Tietê system reservoirs from the DAEE would be illegal.  An injunction against the transfer of ownership of such reservoirs was 
granted but was later reversed.  However, in October 2004, the court of first instance handed down its judgment on the civil public action and declared the 
agreement  between  us,  DAEE and  State  of  São Paulo  null and void.  This  decision  was  suspended  by  us,  and  the  State  treasury and  DAEE  appealed the 
decision.  On August 23, 2010, the appeal was denied.  We have petitioned for clarification of the appeal court’s decision and will seek to take the case to the 
Supreme Court.  The effects of the appeal court’s decision will be suspended until the end of the legal process.  We have assessed that it is not probable that 
we will ultimately prevail in our appeal, which would prohibit the transfer of the reservoirs in payment of the accounts receivable due from the State. 

The December 2001 agreement also provided that the legal advisors of the State would carry out specific analyses, which have commenced, to ensure 
agreement among the parties as to the methodology employed in determining the amount of reimbursement for pension benefits owed to us by the State.  The 
commencement of payments with respect to pension amounts owed to us by the State has been postponed until these analyses are completed, the appraisal 
report is approved and the credit assignments relating to the transfer of the reservoirs are formalized. As discussed above, the transfer of these reservoirs is 
currently being disputed and we are not certain whether the transfer will be legally permitted.  Under the December 2001 agreement, the first payment was to 
be made in July 2002. 

On March 22, 2004, we and the State entered into a first amendment to the December 2001 agreement.  Under this amendment, the State acknowledged 
that it  owed  R$581.8 million  to  us  relating  to  unpaid accounts  receivable  from  the  State  until  February 29,  2004,  and  we  acknowledged that  we  owed  an 
aggregate amount of R$518.7 million to the State as dividends, in the form of interest on shareholders’ equity.  Accordingly, we and the State agreed to offset 
each other’s credit up to the limit of R$404.9 million, which was an amount adjusted up to February 2004. The outstanding balance of R$176.9 million (as of 
February 29, 2004) of the State’s consolidated debt would be paid in consecutive monthly installments from May 2005 until April 2009.  These installments 
would be indexed according to the IPCA index, plus an interest rate of 0.5% per month.  Upon the execution of the first amendment, part of the debt that the 
State owed to us for the use of water and sewage services through February 2004 was offset by the debt that we owed to the State as dividends, in the form of 
interest on shareholders’ equity.  The outstanding balance of R$113.8 million as dividends in the form of interest on shareholders’ equity that we owed to the 
State was netted against accounts overdue after February 2004.  The first amendment did not amend the provisions of the December 2001 agreement regarding 
the supplemental retirement and pension benefits we paid from March 1986 to November 2001 on behalf of the State to former employees of the State-owned 
companies.     

On December 28, 2007, we and the State entered into a second amendment to the December 2001 agreement, pursuant to which the State agreed to pay 
(i) the outstanding balance under the first amendment, in the amount of R$133.7 million (as of November 30, 2007), in 60 consecutive monthly installments, 
beginning  on  January 2,  2008,  and  (ii) the  amount  of  R$236.1 million  relating  to  part  of  the  accounts  overdue  and  unpaid  from  March 2004  through 
October 2007 regarding the provision of water supply and sewage collection services.  As part of this amendment, we agreed to pay during the period from 
January through March 2008 the outstanding balance of dividends in the amount of R$400.8 million, in the form of interest on shareholders’ equity, due from 
March 2004 through December 2006.  We paid these amounts as agreed.  Under the second amendment, dividends payable by us are no longer required to be 
applied to offset accounts receivable from the State, and as a result, we are currently unable to determine the amount, if any, of the declared dividends that the 
State will apply to current and future accounts receivable owed to us by the State or its entities.  In addition, pursuant to the second amendment, we and the 
State agreed on complying with certain mutual obligations relating (i) to the improvement of payment processes and budget management procedures; (ii) the 
rationalization of the use of water and the volume of water and sewage bills under the responsibility of the State; (iii) the recording of government entities with 
accounts overdue in a delinquency system or reference file; and (iv) the possibility of interrupting water supply to these entities in case of non-payment of 
water and sewage bills.  Finally, this second amendment did not amend the provisions of the December 2001 agreement regarding the supplemental retirement 
and pension benefits we paid from March 1986 through November 2001 on behalf of the State to former employees of the State-owned companies that merged 
to form our Company. 

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In 2007, we received payment installments from the State in the amount of R$326.0 million.  As of December 31, 2007, our dividends payable to the 
State, due from 2004 through 2007, were in the amount of R$552.0 million.  We are currently unable to determine the amount, if any, of the declared dividends 
that the  State  will  apply  to current  and  future  accounts  receivable  owed  to  us  by  the  State  or its entities.   The  second  amendment  no  longer  requires  that 
dividends be applied to offset accounts receivable from the State. 

On March 26, 2008, we entered into a commitment agreement (termo de compromisso) with the State with the purpose of finding an alternate solution to 
the deadlock related to the amount owed by the State to us in connection with the supplemental retirement and pension benefits we paid from March 1986 to 
November 2001 on behalf of the State to former employees of the State-owned companies which merged to form our Company.  In this agreement, we and 
State committed to hiring specialized companies to carry out new valuations of the amounts owed to us by the State and of the reservoirs.  An independent 
consulting firm, FIPECAFI, has been retained to resolve the disagreement and validate the amount we paid from March 1986 through November 2001 on 
behalf of the State to former employees of the State-owned companies that merged to form our Company, which the State has not yet agreed to reimburse us 
hereinafter referred to as the “Disputed Reimbursement Amount.”  In addition, FIPECAFI performed, together with another independent consulting firm, a 
new evaluation of the reservoirs that might be transferred to us as amortization of the reimbursement payable by the State to us. 

On November 17, 2008, we, the State and DAEE entered into a third amendment to the December 2001 agreement, pursuant to which the State recognized 
a debt balance payable to us totaling R$915.3 million, hereinafter referred to as the “Undisputed Reimbursement Amount,” as adjusted based on the IPCA.  We 
accepted on a provisional basis the reservoirs as part of the payment of the Undisputed Reimbursement Amount and offered to the State a provisional settlement, 
recognizing a credit totaling R$696.3 million, corresponding to the value of the reservoirs located in the Alto Tietê region.  We and the State have agreed that 
the final offset will only be recorded when the effective transfer of the reservoirs is recorded at the Real Estate Registry.  The outstanding balance of Undisputed 
Reimbursement Amount, amounting to R$219.0 million, was being paid by the State in 114 consecutive monthly installments and was totally paid in 2018. 

On March 18, 2015, we, the State and DAEE, with the intervention of the Department of Sanitation and Water Resources, executed a term of agreement, 
in the amount of R$1,012.3 million, of which R$696.3 million refers to the principal amount and R$316.0 million refers to the monetary adjustment of the 
principal through February 2015. 

The principal amount is payable in 180 installments, as follows: 

•   The first 24 installments were settled by an immediate transfer of 2,221,000 preferred shares issued by the São Paulo Company of Electric Power 
Transmission (Companhia de Transmissão de Energia Elétrica Paulista- CTEEP), totaling R$87.2 million, based on the share closing price as of March 
17, 2015. As of April 20, 2016, we sold these shares for R$111.1 million; and   

•   The amount of R$609.1 million, payable in 156 monthly installments, was adjusted by IPCA until the initial payment date on April 5, 2017, after which 

installments are adjusted by IPCA plus simple interest of 0.5% per month.   

Given  that  the  lawsuit  regarding  the  transfer  of  the  reservoirs  is  pending  final  and  unappealable  court  decision,  the  agreement  also  provides  for  the 

following: 

•   If transfer is possible and the reservoirs are effectively transferred to us and registered at the authority’s office, we will reimburse to the State the 
amounts  paid  in  replacement  of  the  reservoirs  (principal  amount)  in  60  monthly  installments  adjusted  by  IPCA  until  the  payment  date  of  each 
installment; and 

•   If the transfer of the reservoirs is not possible, the State will pay us, in addition to the principal amount, the inflation adjustment credit in the amount 
of R$316.0 million in 60 installments, following payment of the principal amount.  The amount will be adjusted based on IPCA at the start date of 
payments and, as of that date, IPCA will be incurred plus 0.5% simple interest rate/month over the amount of each installment. 

In  addition  to  the  Undisputed  Reimbursement  Amount,  there  is  an  outstanding  balance  relating  to  the  Disputed  Reimbursement  Amount.   As  of 
December 31, 2019, the Disputed Reimbursement Amount amounted to R$1.195.2 million, but due to the uncertainty regarding the recovery of the amount our 
management  decided  not  to  recognize  the  reimbursements. See  Note  10  to  our  financial  statements included  in  this  annual  report  regarding  the  Disputed 
Reimbursement Amount.  We and the State have agreed that the dispute relating to the Disputed Reimbursement Amount will not prevent us from carrying out 
the commitments made in the December 2001 agreement.  

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In addition, the third amendment to the December 2001 agreement provides for the regularization of the monthly flow of benefits.  While we are liable 
for the monthly flow of benefits to the former employees of the state-owned companies that merged to form our Company, the State shall reimburse us based 
on criteria identical to those applied when determining the Undisputed Reimbursement Amount.  Should there be no preventive court decision, the State will 
assume the flow of monthly payment of benefits portion deemed as undisputed. 

Finally,  the  third  amendment  to  the  December 2001  agreement  established that  the  Public  Attorney’s  Office  of  the  State  of  São Paulo,  or the  Public 
Attorney’s Office, would issue a revised interpretation of the calculation and eligibility criteria applicable to the Disputed Reimbursement Amount.  At that 
time, we believed that the Public Attorney’s Office would issue a revised interpretation which would have helped us bring the negotiations with the State to a 
conclusion.   However,  contrary  to  our  expectations,  the  Public  Attorney’s  Office  interpretation  of  the  calculation  and  eligibility  criteria  applicable  to  the 
Disputed Reimbursement Amount refuted the reimbursement of the largest portion of this amount.  As of December 31, 2019, we had made a provision of 
R$3.046.3 million in our pension obligations accounts in respect of the pension benefit obligation of Plan G0. 

Even  though  the  negotiations  with  the  State  are  still  progressing,  we  cannot  assure  you  that  we  will  recover  the  receivables  related  to  the  Disputed 

Reimbursement Amount. 

We will not waive the receivables from the State to which we consider ourselves to be legally entitled.  Accordingly, we will take all possible actions to 
resolve the issue at all administrative and court levels. Should this conflict persist, we will take all the necessary actions to protect our interests.  On March 24, 
2010, we sent to the controlling shareholder the official letter approved by our executive committee, proposing that the matter be discussed at the B3 Arbitration 
Chamber.  In June 2010, we sent a settlement proposal to the Secretary of Treasury, which was denied, and on November 9, 2010, we filed a civil lawsuit 
against the State of São Paulo seeking full reimbursement of the amounts paid as benefits granted by Law No. 4,819/1958.  Regardless of the civil lawsuit, we 
will continue to actively seek a settlement with the State government. 

Agreement with the State and the city of São Paulo 

On June 23, 2010 the State and the city of São Paulo executed an agreement in the form of a convênio, to which we and ARSESP consented, under which 
they agreed to manage the planning and investment for the basic sanitation system of the city of São Paulo on a joint basis.  The principal terms of this convênio 
were as follows: 

•   the State and the city of São Paulo would execute a separate agreement with us, granting us exclusive rights to provide water and sewage services in 

the city of São Paulo; 

•   ARSESP would regulate and oversee our activities regarding water and sewage services in the city of São Paulo, including tariffs; 

•   a management committee (Comitê Gestor), consisting of six members appointed for two-year terms, with the State and the city of São Paulo given the 
right to appoint three members each, would be responsible for planning water and sewage services for the city and for reviewing our investment plans; 
and   

•   we may participate in management committee meetings but may not vote. 

In application of the convênio, we executed a separate contract with the State and the city of São Paulo, also dated June 23, 2010, to regulate the provision 

of these services for the following 30 years.  The principal terms of this contract are as follows: 

•   The total investment stated in the contract must be equal to 13% of gross revenues from the provision of services to the city of São Paulo, net of the 

taxes on revenues. 

•   We must transfer 7.5% of the gross revenues obtained from providing sanitation services in the municipality of São Paulo and subtract (i) COFINS and 
PASEP taxes, and (ii) unpaid bills of publicly owned properties in the city of São Paulo, to the Municipal Fund for Environmental Sanitation and 
Infrastructure (Fundo Municipal de Saneamento Ambiental e Infraestrutura), established by Municipal Law No. 14,934/2009.  In April 2013, ARSESP 
postponed the application of such municipal charges based on a request from the São Paulo State Government to analyze, among other things, methods 
to reduce the impact on consumers.  In May 2014 ARSESP maintained the suspension of Resolution 407/2013 until the results are obtained in the 
revision of the contract signed between us, the city and the State of São Paulo, thereby delaying the authorization to pass the charge through to consumers 
on the service bill. 

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•   Our investment plan must be compatible with the sanitation plans of the State, the city of São Paulo and, if necessary, the Metropolitan region. 

•   ARSESP will ensure that the tariffs will adequately compensate us for the services we provide and that tariffs may be adjusted in order to restore the 

original balance between each party’s obligations and economic gain (equilíbrio econômico financeiro). 

We currently have an investment plan in place that reflects our obligations under the convênio and addresses their compatibility with the sanitation plans 
of the State, the city of São Paulo and, if necessary, the São Paulo metropolitan region.  The investment plan is not irrevocable and is reviewed every four years 
by our management committee.  We draft a detailed work plan every two years, particularly with respect to the investments to be executed in the subsequent 
period.  In December 2016, we concluded the first four-year revision of our contract with the city of São Paulo, which altered our service quality, investment 
and investment tracking targets.  However, the issue of the 7.5% charge was not discussed. 

On May 9, 2018, ARSESP announced the final result of the Second Ordinary Tariff Revision. Following this revision cycle, ARSESP is passing-through 
to the tariffs up to 4% of the municipal revenue that is transferred by us to a legally established municipal infrastructure fund. In the current tariff cycle, our 
only contract that provides for this and complies with ARSESP’s requirements is with the municipality of São Paulo and, accordingly, today 4% of the funds 
transferred to the São Paulo Municipal Fund for Environmental Sanitation and Infrastructure are being passed through to our tariffs. Prior to May 9, 2018, our 
tariff had never included any pass-through to tariffs related to the transfer of 7.5% of the gross revenues obtained from providing sanitation services in the 
municipality of São Paulo to the São Paulo Municipal Fund for Environmental Sanitation and Infrastructure. 

On May 24, 2018, as a result of the final result of the Second Ordinary Tariff Revision, we filed a reconsideration request as well as a clarification and 
revision request with ARSESP. As part of the clarification and revision request, we requested that ARSESP provide a revision of the calculation of the financial 
component related to municipal funds. This administrative appeal was denied by ARSESP on February 28, 2019. For more information, see “Item 4.B. Business 
Overview—Tariffs—Tariff Readjustment and Revisions.” 

Dividends 

We regularly pay dividends to our shareholders, including the State of São Paulo.  In the past, we have withheld part of the dividends to which the State 

was entitled in order to offset it against our pending receivables from the State as described above. 

In accordance with our agreements with the State, we do not anticipate that we will withhold dividends to which the State was entitled in order to offset 

it against our pending receivables from the State in the near future. 

Government Guarantees of Financing 

In some situations, the federal government, the State or government agencies guarantee our performance under debt- and project-related agreements. 

Furthermore, the federal government has guaranteed, and the State has provided a counter-guarantee, in respect of the financial agreements we entered 
into with the IADB (i) in 1992 and 2000 for the total original aggregate amount of US$600.0 million related to the financing of the first and second phases of 
the Tietê River recovery project to reduce pollution; and (ii) in 2010 for the aggregate amount of US$600 million related to the financing of the third phase of 
the Tiête River project.  The federal government has also guaranteed and the State of São Paulo has provided a counter-guarantee, in respect of the financial 
agreement we entered with the IBRD in the amount of US$100 million for the Water Source Program (Programa Mananciais).   

We also entered into credit agreements with JICA, which were guaranteed by the federal government, with counter-guarantee from the State of São Paulo, 
for  the  financing  of  (i) the  Clean  Wave  Program  for  the  Baixada  Santista  metropolitan  region,  on  August 6,  2004,  for  an  aggregate  principal  amount  of 
¥21,320 million;  (ii) the  second  phase  of  the  Clean  Wave  Program,  in  February 2011,  for  an  aggregate  principal  amount  of  ¥19,169 million;  (iii) the 
environmental improvement  program in the  basin  of the  Billings  dam, in  October 2010,  for an aggregate  principal amount  of  $6,208 million;  and  (iv) the 
Program for Water Loss Reduction, in February 2012, for an aggregate principal amount of ¥33,584 million.   

For more information on the aforementioned loans, see “Item 5.B. Liquidity and Capital Resources—Indebtedness Financing.” 

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Use of Reservoirs 

We withdraw water for use in the São Paulo metropolitan region from the Guarapiranga and Billings reservoirs.  We do not pay any fees for the use of 

these reservoirs, although we are responsible for maintaining them and funding their operating costs.  The State incurs no operating costs on our behalf. 

EMAE,  a  company  that  is  also  controlled  by  the  State  of  São  Paulo,  has  a  concession  to  produce  hydroelectric  energy  using  water  from  the  same 
reservoirs.  EMAE commenced various lawsuits against us in the past seeking compensation for the water we withdraw from these reservoirs.  Those lawsuits 
have now been settled by way of an agreement between EMAE and us.   

The settlement agreement settled the compensation arrangements between EMAE and our company. It requires us to pay the following amounts to EMAE: 

•   R$46.3 million, plus inflation adjustments indexed to the IPCA index, payable in five annual installments from April 2017 through April 2022, plus 

•   R$6.6 million, plus inflation adjustments indexed to the IPCA index, payable in 25 annual installments from October 2017 through October 2042. 

If we fail to pay any installment to EMAE when due, all remaining amounts to be paid under the agreement will become immediately due and payable.   

On April 11, 2016, we were also named in a separate lawsuit filed by minority shareholders of EMAE against the State of São Paulo, as controlling 
shareholder of EMAE. On August 7, 2017 we were named in a new lawsuit against us, EMAE and the National Electric Energy Agency (Agência Nacional de 
Energia Elétrica, or ANEEL), brought by Alvaro Luiz de Lima de Alvares Otero, another minority shareholder of EMAE, requesting the annulment of ANEEL’s 
order  approving  the  settlement  agreement  mentioned  above,  as  well  as  our  condemnation  for  indemnifying  EMAE  for  damages  suffered  by  EMAE.  The 
settlement agreement between EMAE and us does not necessarily put an end to the separate lawsuits. For more Information, see “Item 3.D. Risk Factors — 
Risks Relating to Our Control by the State of São Paulo — Our right to withdraw water from the Guarapiranga and Billings reservoirs is being challenged 
judicially by minority shareholders of EMAE.” 

If one of the ongoing lawsuits by minority shareholders of EMAE requires the State to make a different decision regarding water use from what was 
agreed between EMAE and the State of São Paulo, our ability to withdraw water from the Guarapiranga and Billings reservoirs may be compromised.  If we 
were no longer able to withdraw water from these reservoirs, we would have to transport water from locations farther away, which would increase our water 
transportation costs and may affect our ability to provide adequate service in the region, which may have an adverse effect on our financial condition and results 
of operations. . In addition, we may be ordered to pay any indemnity to EMAE if the agreement is judicially invalidated, which could have material adverse 
effects on our financial condition and operating results.  

Agreements with Lower Tariffs 

We have entered into agreements with public entities, including State entities and municipalities, which manage approximately 11,326 properties.  Under 
these agreements, these public entities pay a different tariff which is approximately 25.0% lower than the tariff that applies for the public entities that have not 
entered into these agreements, provided such entities implement our Program for Rational Use of Water (Programa de Uso Racional da Água – PURA), which 
has a fixed target for reduction or maintenance of water consumption, according to technical evaluations carried out by us.  These agreements are valid for a 
12-month term with automatic renewal for equal periods.  Pursuant to the terms of these agreements, if these entities fail to make any payment on a timely 
basis to us, we have the right to cancel the agreement, thereby revoking the 25.0% tariff reduction.  

Personnel Assignment Agreement among Entities Related to the State Government 

We have personnel assignment agreements with entities related to the State Government, under which the expenses are fully passed on and monetarily 
reimbursed.  The expenses related to personnel assigned by us to other state government entities in 2019, 2018 and 2017 amounted to R$4.9 million, R$8.9 
million and R$9.9 million, respectively.   

The expenses related to personnel assigned by other entities to us totaled R$0.1 million in 2019 and 2018. There were no expenses related to personnel 

assigned by other entities to us in 2017.  

Non-operating Assets 

As of December 31, 2019, we had an amount of R$3.6 million related to a land and lending structures compared to R$0.1 million as of December 31, 

2018. 

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Transactions with SABESPREV Pension Fund 

SABESPREV  is  a  pension  fund  we  established  to  provide  our  employees  with  retirement  and  pension  benefits.   The  assets  of  SABESPREV  are 
independently held, but we nominate 50.0% of SABESPREV’s board of directors, including the chairman of the board, who has the deciding vote pursuant to 
the applicable legislation.  Both we and our employees make contributions to SABESPREV pension plans.  We contributed R$22.5 million, R$20.8 million 
and R$19.2 million in 2019, 2018 and 2017, respectively.  On May 29, 2001, a federal law was enacted which, among other provisions, limits the amount 
mixed capital companies, like us, may contribute to their pension plans.  Specifically, the ordinary contributions made by us to our pension plans may not 
exceed the contributions made by the beneficiaries of these plans. 

Our original pension plan (the Defined Benefit Plan) has an actuarial deficit.  We have commenced studies to manage this deficit and have also created a 
new, Defined Contribution Plan (SABESPREV Mais).  Our new plan was approved by Previc in June 2010, after which our old plan stopped accepting new 
members. Contributions to the new plan are also shared between plan members and us, and benefits are established based on the balance of the individual 
member’s account when payment on his or her benefit begins.  This balance consists of contributions and profitability obtained when applying resources.  We 
intended to have members of the old plan migrate their reserves to the new plan.  This migration was interrupted by a judicial order as a result of proceedings 
brought by representative entities for our employees and ex-employees.  In October 2010, the judge presiding over the case pronounced in an interim decision 
that people and reserves were not allowed to migrate between the plans until a further decision was made.  This decision also prevents the plan from charging 
contributions to account for the deficit for those who remained covered by the original plan.  In September 2012, the judge presiding over the case ordered a 
financial expert inspection and in early 2013 a financial expert was appointed to the case.  The results of this inspection were unfavorable to the representative 
entities for our employees and ex-employees and in 2016 the proceeding was dismissed, revoking the interim decision made in October 2010.   

In 2016, participants were again offered the ability to migrate according to the rules established by the regulatory authority.   The Retiree and Pensioneer 
Association filed a judicial proceeding questioning the amounts that were transferred from the benefits plan to the individual accounts of the participants who 
migrated to the Defined Contribution Plan.  On March 14, 2018, the judge presiding over the case held that the adjustment of the Defined Benefit Plan’s 
actuarial deficit was permitted and terminated the lawsuit related to the migration process of members from the Defined Benefit Plan to the Defined Contribution 
Plan.  

Compensation of Management  

The compensation paid by us to the members of our board of directors, board of executive officers and fiscal committee amounted to R$5.3 million, R$4.1 
million  and  R$3.8 million  in  2019,  2018 and  2017, respectively,  and it  refers  to salaries and  other  short-term  benefits  management.   An additional  R$1.3 
million, R$0.5 million and R$0.6 million related to the bonus program was accrued to executive officers in 2019, 2018 and 2017. 

For further information on management compensation, see “Item 6.B. Directors and Senior Management—Compensation.” 

Loan agreement through credit facility 

We hold interests in some companies.  Although we do not hold the majority of shares in any of the companies in which we hold interests, we are party 
to shareholders’ agreements which provide for the power of veto with regard to certain management proposals and decisions.  Due to our significant influence 
on  these  companies  by  way  of  shareholders’  agreements,  for  accounting  purposes,  these  companies  are  accounted  for  by  applying  the  equity  method  of 
accounting.  

We entered into a loan agreement with the special purpose enterprise Aquapolo Ambiental S.A. on March 30, 2012 under which we made loan to finance 

the operation, until the borrowings and financing requested with financial institutions is granted. 

As of December 31, 2019, the principal and interest balance of this agreement was R$35.0 million, recorded as non-current assets under “Other Accounts 

Receivable.”  

The loan agreement originally expired on April 30, 2015, was extended to October 30, 2015 and on November 25, 2015 a new amendment changed the 

payment schedule for three annual installments, the first of which maturing on December 30, 2021 and the last on December 30, 2023. 

Pró-Conexão 

In 2012, the State of São Paulo approved a project to subsidize connections to the sewage system for low-income families.  Initially intended to last eight 
years, the project involves capital expenditures of up to R$349.5 million of which 80% will be provided by the State government and 20% by us.  In this period, 
we expect that this program will create 192,000 new sewage connections benefiting approximately 800,000 people. 

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As of December 2019, we had completed approximately 28.2 thousand sewage connections under the Pró-Conexão program.   

C.      Interests of Experts and Counsel 

Not applicable. 

ITEM 8.            FINANCIAL INFORMATION 

A.      Financial Statements and Other Financial Information 

See “Item 18. Financial Statements.” 

Legal Proceedings  

We are currently subject to numerous legal proceedings relating to civil, tax, labor, corporate and environmental issues arising in the normal course of our 
business.  Several individual disputes account for a significant part of the total amount of claims against us.  Our material legal proceedings are described in 
Note 19 to our financial statements included in this annual report, and that description is incorporated by reference under this Item. 

Civil Public Actions Related to Environmental Matters  

We  are  subject  to  administrative  and  judicial  proceedings,  including  proceedings  initiated  by  the  Companhia  Ambiental  do  Estado  de  Sao  Paulo 
(CETESB), the State of São Paulo Public Prosecutor Office and non-governmental organizations.  These proceedings result from alleged environmental damage 
and relief sought against us includes:  (i) cessation of the release of raw sewage into certain local bodies of water; (ii) remedies, in some cases, for environmental 
damages that have not yet been specified and evaluated by the court’s technical experts; (iii) requirements to install and operate sewage treatment facilities in 
locations referred to in the civil public actions; and (iv) imposition of a limit on water extracted from the water springs most affected by the water crisis.  In 
certain cases, we are subject to daily fines for non-compliance.  In our response to these lawsuits, we note that the installation and operation of sewage treatment 
facilities in locations referred to in the civil public actions is included in our investment plan. There have already been unfavorable judicial decisions against 
us and their effects may include: (i) investment in works or services not considered by our long-term investment plan; (ii) early execution of works or services 
that were considered for execution in future years in our long-term investment plan; (iii) payments related to environmental indemnification; and (iv) a negative 
impact on our image in national and international markets and in public bodies.  

Although we are not able to predict the final outcome of these lawsuits, we believe that the outcome, if unfavorable to us, may have a material adverse 
effect on us. We recognize provisions for classify certain of these proceedings as defined in Note 3.14 to our financial statements included in this annual report. 
As of December 31, 2019, we have provisions totaling R$192.9 million for the matters stated in Note 19 to our financial statements included in this annual 
report. 

Other Legal Proceedings 

On December 30, 2003, the Civil Entity Coordination Committee of Piracicaba filed a civil class action against us, the National Water Agency and the 
State of São Paulo Treasury Department seeking, among other claims relief for:  (i) the termination of use of 31 m3/s of water from one of the municipality’s 
reservoirs; (ii) the creation of a schedule to regulate water use and withdrawal from the Piracicaba river basin by the Cantareira system to eliminate possible 
damage to populations downstream; and (iii) the development of an environmental impact study on the Cantareira system evaluating the impact of water use 
and withdrawal on the various basins that constitute the system.  In August 2012, this civil public action was decided favorably for us in two lower courts, and 
the  plaintiff’s  appeal  to  a  higher  court  seeking  special  and  extraordinary  recourse  was  denied  based  on  inadmissibility. We  are  currently  awaiting  a  court 
decision on the action brought by the plaintiff against the decisions of inadmissibility cited.  The amount involved in this proceeding as of December 31, 2019 
is R$26.6 billion. We have assessed that we do not have a current obligation as a result of a past event, and accordingly have not made any provisions. 

On May 18, 2016, the Public Prosecutor’s Office of the State of São Paulo filed a Public Civil Action combined with a preliminary injunction, requesting, 
in summary that: (i) we cease to dispose of untreated domestic and industrial sewage through a marine outfall in Santos Bay, under penalty of paying a daily 
fine; and (ii) we pay environmental and public health damages as a result of the disposal of untreated sewage in Santos Bay, calculated as of the date of 
installation of the marine outfall until the date we implement more advanced sewage treatment mechanisms. In October 2017, the lawsuit was dismissed by the 
lower court. The Prosecutor’s Office appealed the decision, which was rejected in November 2019. Subsequently, the Prosecutor’s Office appealed to the High 
Court of Justice and the Supreme Court, which are currently reviewing the admissibility of the case. The amount involved in this proceeding as of December 
31, 2019 is R$2.9 billion. We have assessed that we do not have a current obligation as a result of this past event, and accordingly have not made any provisions. 

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Dividends and Dividend Policy 

Amounts Available for Distribution 

At each annual shareholders’ meeting, the board of directors is required to recommend the allocation of net profits for the preceding fiscal year.  For 
purposes  of  Brazilian  Corporate  Law,  net  profits  are  defined  as  net  income  after  income  tax  and  social  contribution  tax  for  such  fiscal  year,  net  of  any 
accumulated losses from prior fiscal years and any amounts allocated to employees’ and management’s participation in our profits.  In accordance with Brazilian 
Corporate Law, the amounts available for dividend distribution are the amounts equal to half of the net profit as increased or reduced by: 

•   the amount intended to form the legal reserve; and 

•   the amount intended to form the reserves for contingencies and any written-off amounts of the same reserves formed in previous fiscal years. 

We are required to maintain a legal reserve, to which we must allocate 5.0% of net profits for each fiscal year until the amount for such reserve equals 
20.0% of our paid-in capital.  However, we are not required to make any allocations to our legal reserve in respect of any fiscal year in which the aggregate 
amount  of  the  legal  reserve  plus  our  other  established  capital  reserves  exceeds  30.0%  of  our  capital.   Net  losses,  if  any,  may  be  offset  against  the  legal 
reserve.   As  of  December 31,  2019,  2018  and  2017  the  balance  of  our  legal  reserve  was  R$1,368.4  million,  R$1,200.0  million  and  R$1,058.3  million, 
respectively, which was equal to 9.1%, 8.0% and 10.6%, respectively, of our capital. 

Brazilian Corporate Law also provides for two discretionary allocations of net profits that are subject to approval by the shareholders at each annual 
shareholders’ meeting.  First, a percentage of net profits may be allocated to a contingency reserve for anticipated losses that are deemed probable in future 
years.  Any amount so allocated in a prior year must be either reversed in the fiscal year in which the loss was anticipated if such loss does not in fact occur, or 
written off in the event that the anticipated loss occurs.  Second, if the mandatory distributable amount exceeds the sum of realized net profits in any given 
year, such excess may be allocated to an unrealized revenue reserve. Under Brazilian Corporate Law, realized net profits is defined as the amount of net profits 
that exceeds the net positive result of equity adjustments and profits or revenues from operations with financial results after the end of the next succeeding 
fiscal year. 

Under Brazilian Corporate Law, any company may authorize the creation of a discretionary reserve in its bylaws.  Bylaws which authorize the allocation 
of a percentage of a company’s net income to the discretionary reserve must also indicate the purpose, criteria for allocation and maximum amount of the 
reserve.  We may also allocate a portion of our net profits for discretionary allocations for plan expansion and other capital investment projects, the amount of 
which would be based on a capital budget previously presented by management and approved by our shareholders.  Under Law No. 10,303/2001 of October 31, 
2001, as amended, capital budgets for more than one year must be revised at each annual shareholders’ meeting.  After completion of the relevant capital 
projects, we may retain the allocation until the shareholders vote to transfer all or a portion of the reserve to capital or retained earnings. As of December 31, 
2019, 2018 and 2017 we had an investment reserve of R$6,098.6 million, R$3,840.4 million and R$6,939.3 million, respectively. 

The amounts available for distribution may be further increased by a reversion of the contingency reserve for anticipated losses constituted in prior years 
but not realized.  The amounts available for distribution are determined on the basis of our financial statements prepared in accordance with Brazilian GAAP. 

The legal reserve is subject to approval by the shareholder vote at our annual shareholders’ meeting and may be transferred to capital but is not available 

for the payment of dividends in subsequent years.   

Mandatory Distribution  

Brazilian Corporate Law generally requires that the bylaws of each Brazilian corporation specify a minimum percentage of the amounts available for 
distribution  by  such  corporation  for  each  fiscal  year  that  must  be  distributed  to  shareholders  as  dividends,  also  known  as  the  mandatory  distributable 
amount.   Under  our  bylaws,  the  mandatory  distributable  amount  has  been  fixed  at  an  amount  equal  to  not  less  than  25.0%  of  the  amounts  available  for 
distribution, to the extent amounts are available for distribution at the end of each given fiscal year. 

The  mandatory  distribution  is  based  on  a  percentage  of  adjusted  net  income,  not  lower  than  25.0%,  rather  than  a  fixed  monetary  amount  per 
share.  Brazilian Corporate Law, however, permits a publicly held company, such as us, to suspend the mandatory distribution if the board of directors and the 
fiscal committee report to the shareholders’ meeting that the distribution would be inadvisable in view of the company’s financial condition.  The suspension 
is subject to the approval of holders of common shares.  In this case, the board of directors must file a justification for such suspension with the CVM.  Profits 
not distributed by virtue of the suspension mentioned above shall be attributed to a special reserve and, if not absorbed by subsequent losses, must be paid as 
dividends as soon as the financial condition of such company permits such payments. As of the date of this annual report, we do not intend to suspend the 
distribution of dividends during the ongoing COVID-19 pandemic. 

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Payment of Dividends 

We are required by Brazilian Corporate Law and by our bylaws to hold an annual shareholders’ meeting by the fourth month after the end of each fiscal 
year at which, among other things, the shareholders have to decide on the payment of an annual dividend when profits were accrued.  The decision to distribute 
annual dividends is based on the financial statements prepared for the relevant fiscal year.  Under Brazilian Corporate Law, dividends generally are required 
to be paid within 60 days following the date the dividend was declared, unless a shareholders’ resolution sets forth another date for payment, which, in either 
case, must occur prior to the end of the fiscal year in which the dividend was declared.  A shareholder has a three year period from the dividend payment date 
to claim dividends (or interest payments on shareholders’ equity as described under “—Record of Dividend Payments and Interest on Shareholders’ Equity”) 
distributed on his or her shares, after which the amount of the unclaimed dividends reverts to us.  The depositary will set the currency exchange date to be used 
for payments to ADS holders as soon as practicable upon receipt of those payments from us. 

Our bylaws allow us to pay interim dividends from preexisting and accumulated profits related to the current or preceding fiscal year. 

In general, shareholders who are not residents of Brazil must register with the Central Bank to have dividends, sales proceeds or other amounts with 
respect to their shares eligible to be remitted outside of Brazil.  The common shares underlying our ADSs are held in Brazil by Banco Bradesco S.A., as the 
custodian and agent for the depositary, which is the registered owner of the common shares underlying the ADSs.  Our current registrar is Banco Bradesco 
S.A.  The depositary electronically registers the common shares underlying the ADSs with the Central Bank and, therefore, is able to have dividends, sales 
proceeds or other amounts with respect to these shares eligible to be remitted outside Brazil.  See “Item 10.D. Exchange Controls.” 

Payments of cash dividends and distributions, if any, will be made in Brazilian reais to the custodian on behalf of the depositary, which will then convert 
such proceeds into U.S. dollars and will cause such U.S. dollars to be delivered to the depositary for distribution to holders of ADSs.  See “Item 10.D. Exchange 
Controls.”  Under current Brazilian law, dividends generally paid to shareholders who are not Brazilian residents, including holders of ADSs, will not be subject 
to Brazilian withholding income tax, except for dividends declared based on profits generated prior to December 31, 1995. See “Item 10.E. Taxation.” 

Record of Dividend Payments and Interest on Shareholders’ Equity  

Brazilian corporations are permitted to distribute dividends in the form of a tax-deductible notional interest expense on shareholders’ equity in accordance 
with Law No. 9,249/1995 of December 26, 1995, as amended.  The amount of tax-deductible interest that may be paid is calculated by applying the daily pro 
rata variation of the government’s long-term interest rate (TJLP) on the shareholders’ equity during the relevant period and cannot exceed the greater of:   

•   50.0% of net income (before taking into account such distribution and any deductions for income taxes and after taking into account any deductions 

for social contributions on net profits) for the period in respect of which the payment is made; or 

•   50.0% of earnings reserves and retained earnings. 

Any payment of interest on shareholders’ equity to holders of ADSs or common shares, whether or not they are Brazilian residents, is subject to Brazilian 
withholding income tax at the rate of 15.0% or 25.0% if the beneficiary is resident in a low tax jurisdiction (tax haven).  See “Item 10.E. Taxation.”  The 
amount paid to shareholders as interest on shareholders’ equity, net of any withholding tax, may be included as part of the mandatory dividends distributable 
amount as prescribed in Brazilian Corporate Law.   

Dividends and interest on shareholders’ equity over the minimum established in a company’s bylaws are recognized when approved by the shareholders 
in the general meeting.  Consequently, the amount of R$799.8 million recognized as of December 31, 2019 correspond to the minimum established by law of 
25.0% of the net income and the difference of R$141.2 million will be recorded in 2020 after the annual shareholders’ meeting.  

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Distributions of dividends 

The following table sets forth the distributions of dividends that we made to our shareholders in respect of our 2019, 2018 and 2017 earnings.  All these 

amounts distributed or to be distributed were or will be in the form of interest on shareholders’ equity. 

Year ended December 31, 

2019* 
2018 
2017  

Aggregate amount proposed 
(in millions of reais) 
941.0 
792.2 
703.9 

Payment Dates 

Payment per share 

June 27, 2020 
June 28, 2019 
June 26, 2018 

1.38 
1.16 
1.03 

Payment per ADS 
(in reais) 
1.38 
1.16 
1.03 

  ∗        We recorded dividends in the amount of R$799.8 million, which pursuant to our bylaws is our minimum dividend amount.  We expect to pay the 
dividends on May 29, 2020. 

Dividend Policy 

We intend to declare and pay dividends and/or interest on shareholders’ equity, as required by Brazilian Corporate Law, our bylaws and our dividend 
policy.  Our board of directors may propose the distribution of interest on shareholders’ equity, calculated based on our semiannual or quarterly financial 
statements.   The  declaration  of dividends  is  annual, including  dividends  in  excess  of  the  mandatory  distribution,  and  requires  approval  by  the  vote  of  the 
majority  of  the  holders  of  our  common  shares.  The  proposed  distribution  of  dividends  should  consider  (i)  the  need  for  investments  to  universalize  basic 
sanitation services; (ii) the achievement of our corporate purpose, as set forth in our bylaws; (iii) the cash generation and cash requirements; and (iv) our 
economic and financial sustainability. The amount of any distributions will depend on many factors, such as our results of operations, financial condition, cash 
requirements, prospects and other factors deemed relevant by our board of directors and shareholders.  Within the context of our tax planning, we may in the 
future continue to determine that it is in our best interest to distribute interest on shareholders’ equity. 

B.      Significant Changes 

Other than as disclosed in this annual report, no significant change has occurred since the date of the audited financial statements included in this annual 

report. 

ITEM 9.            THE OFFER AND LISTING 

A.      Offer and Listing Details 

Market for our Common Shares  

Our  common  shares  have  been listed  on the  São  Paulo  Stock  Exchange  (B3)  under  the  trading  symbol  “SBSP3”  since  June 4,  1997  and,  starting  on 

April 24, 2002, have been included in the Novo Mercado segment of that exchange.   

Market of our ADSs 

Our ADSs, each of which represents one of our common shares are listed on the NYSE under the trading symbol “SBS.”  

B.      Plan of Distribution 

Not applicable. 

C.      Markets 

Trading on the Brazilian Stock Exchange  

Our common shares are traded on the B3, the only Brazilian stock exchange that trades shares.  Trading on the B3 is limited to brokerage firms and a 
limited number of authorized entities.  The CVM and the B3 have discretionary authority to suspend trading in shares of a particular issuer under certain 
circumstances. 

Trading on the B3 is conducted between 10:00 a.m. and 4:55 p.m. or from 10:00 a.m. to 5:55 p.m. (during daylight savings time in Brazil).  The B3 also 
permits trading from 5:30 p.m. to 6:00 p.m. during a different trading period called the “after market.” The after-market session is restricted to certain stocks 
that were traded in the portfolios IBOV and/or IBrX and that were traded on the same day during the regular negotiation. Trading during aftermarket is subject 
to regulatory limits on price volatility and on the volume of shares transacted through internet brokers.  

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In order to maintain better quality control over the fluctuation of its index, the B3 has adopted a “circuit breaker” system pursuant to which trading sessions 
are suspended (i) for a period of 30 minutes whenever the index of this stock exchange falls more than 10% from the index registered for the previous day; 
(ii) for one hour if the index of this stock exchange falls 15% or more from the index registered for the previous day, after the reopening of trading; and (iii) for 
a certain period of time to be defined by the B3, if the index of this stock exchange falls 20% or more from the index registered for the previous day, after the 
reopening of trading.  The minimum and maximum price is based on a reference price for each asset, which will be the previous session’s closing quote, when 
considering the asset at the beginning of the day before the first trade, or the price of the day’s first trade.  The asset’s reference price will be altered during the 
session if there is an auction sparked by the intraday limit being breached.  In this case the reference price will become whatever results from the auction. 

The B3 settles the sale of shares three business days after they have taken place, without monetary adjustment of the purchase price.  The shares are paid 
for  and  delivered  through  a  settlement  agent  affiliated  with  the  B3. The  B3  performs  multilateral  compensation  for  both  the  financial  obligations  and  the 
delivery of shares.  According to the B3’s regulations, financial settlement is carried out by the Central Bank’s reserve transfer system.  The securities are 
transferred by the B3’s custody system.  Both delivery and payment are final and irrevocable. 

Trading on the B3 is significantly less liquid than trading on the NYSE or other major exchanges in the world.  Although any of the outstanding shares of 
a listed company may trade on the B3, in most cases fewer than half of the listed shares are actually available for trading by the public, the remainder being 
held by a controlling group or by government entities. 

Trading on the B3 by a holder not deemed to be domiciled in Brazil for Brazilian tax and regulatory purposes, or a “non-Brazilian holder,” is subject to 
certain limitations under Brazilian foreign investment regulations.  With limited exceptions, non-Brazilian holders may trade on Brazilian stock exchanges in 
accordance with the requirements of CMN Resolution No. 4,373/2014, which requires that securities held by non-Brazilian holders be maintained in the custody 
of  financial  institutions  authorized  by  the  Central  Bank  and  by  the  CVM  or  in  deposit  accounts  with  financial  institutions.   In  addition,  Resolution 
No. 4,373/2014 requires non-Brazilian holders to restrict their securities trading to transactions on the B3 or qualified over-the-counter markets.  With limited 
exceptions, non-Brazilian holders may not transfer the ownership of investments made under Resolution No. 4,373/2014 to other non-Brazilian holders through 
a  private  transaction.   See  “Item 10.E.  Taxation—Brazilian  Tax  Considerations—Taxation  of  Gains”  for  a  description  of  certain  tax  benefits  extended  to 
non-Brazilian holders who qualify under Resolution No. 4,373/2014. 

The Novo Mercado Segment 

Since April 24, 2002, our common shares have been listed on the Novo Mercado segment of the B3.  The Novo Mercado is a listing segment designed for 
the trading of shares issued by companies that voluntarily undertake to abide by certain additional corporate governance practices and disclosure requirements 
in  addition  to  those  already  required  under  Brazilian  law.   A  company  with  shares  listed  on  the  Novo  Mercado  must  follow  good  practices  of  corporate 
governance.  These rules generally increase shareholders’ rights and enhance the quality of information provided to shareholders.  On April 18, 2002, June 19, 
2006, April 23, 2012 and April 27, 2018 our shareholders approved changes to our bylaws to comply with the Novo Mercado requirements. 

In addition to the obligations imposed by current Brazilian law, a company listed on the Novo Mercado is obligated to, among others: 

•   maintain only common shares;   

•   hold public offerings of shares in a manner favoring diversification of the company’s shareholder base and broader access to retail investors; 

•   grant tag along rights for all shareholders in connection with a transfer of control of the company; 

•   limit the term of all members of the board of directors to two years; 

•   hold a tender offer by the company’s controlling shareholder (the minimum price of the shares to be offered will be determined by an appraisal process) 

if it elects to delist from the Novo Mercado, unless a waiver is granted by the company’s shareholders;  

•   maintain a related party transactions policy, including (i) the criteria to be followed in the performance and approval of related party transactions, (ii) 
the procedures for identifying conflicts of interest and establishing voting restrictions for conflicted shareholders, directors and executive officers, and 
(iii) the procedures for identifying related parties and related party transactions; 

•   the chairman of the board of directors is prohibited from simultaneously holding the position of chief executive officer; 

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•   the board of directors must disclose its opinion on takeover proposals within 15 days from the presentation of the proposal; 

•   relevant facts, notices to market or to shareholders and press releases must be made in English simultaneously with the disclosure made in Portuguese; 

•   ensure that at least two or 20.0% (whichever is greater) of the members of the board of directors are independent, as defined under the Novo Mercado 

regulation; 

•   maintain a minimum free float of at least (i) 25.0% of the capital stock of the company, or (ii) 15.0% of the capital stock of the company, in the event 

that the average daily trading volume is equal to or greater than R$25.0 million; 

•   the company must have an internal audit committee; 

•   disclose information on the share ownership of controlling shareholders and certain related parties on a monthly basis; 

•   resolve and require the shareholders, directors, and members of the fiscal committee of the company to resolve any and all disputes among them by 

arbitration before the Chamber of Market Arbitration (Câmara de Arbitragem do Mercado); and 

•   the company must adopt and publish a code of conduct approved by the board of directors, as well as, policies for (i) compensation; (ii) election of 

board and committee members; (iii) risk management; (iv) related party transactions; and (v) the purchasing and trading of securities. 

Companies already listed in the Novo Mercado segment have until April 2021 to make the necessary changes in order to comply with these new rules. 

We are working to implement such changes and believe that such implementation will be completed by the April 2021 deadline. 

Regulation of Brazilian Securities Markets 

The Brazilian securities markets are principally governed by Law No. 6,385/1976 of December 7, 1976, and the Brazilian Corporate Law, each as amended 
and supplemented, and by regulations issued by the CVM, which has regulatory authority over the stock exchanges and securities markets generally, by the 
CMN, and by the Central Bank, which has licensing authority over brokerage firms and regulates foreign investment and foreign exchange transactions.  These 
laws and regulations, among others, provide for disclosure requirements applicable to issuers of traded securities, protection of minority shareholders and 
criminal penalties for insider trading and price manipulation.  They also provide for licensing and oversight of brokerage firms and governance of the Brazilian 
stock exchanges.  Nevertheless, the Brazilian securities markets are not as highly regulated and supervised as the U.S. securities markets. 

Under  Brazilian  Corporate  Law,  a  company  is  either  public  (companhia  aberta),  such  as  we  are,  or  closely  held  (companhia  fechada).   All  public 
companies, including us, are registered with the CVM and are subject to reporting requirements.  A company registered with the CVM may have its securities 
traded on the Brazilian stock exchanges or in the Brazilian over-the-counter market.  Our common shares are listed and traded on the B3 and may be traded 
privately subject to certain limitations. 

To be listed on a Brazilian stock exchange a company must apply for registration with the CVM and the stock exchange where the head office of the 

company is located. 

We have the option to ask that trading in our securities on the B3 be suspended in anticipation of a material announcement.  Trading may also be suspended 
on the initiative of the B3 or the CVM, among other reasons, based on or due to a belief that a company has provided inadequate information regarding a 
material event or has provided inadequate responses to the inquiries by the CVM or the São Paulo Stock Exchange. 

The Brazilian over-the-counter market consists of direct trades between individuals in which a financial institution registered with the CVM serves as 
intermediary.  No special application, other than registration with the CVM, is necessary for securities of a public company to be traded in this market.  The 
CVM requires that it be given notice of all trades carried out in the Brazilian over-the-counter market by the respective intermediaries. 

Trading on the B3 by non-residents of Brazil is subject to limitations under Brazilian foreign investment and tax legislation.  The Brazilian custodian for 
our common shares underlying the ADSs must, on behalf of the depositary for our ADSs, obtain registration from the Central Bank to remit U.S. dollars abroad 
for payments of dividends, any other cash distributions, or upon the disposition of the shares and sales proceeds thereto.  In the event that a holder of ADSs 
exchanges  ADSs  for  common  shares,  the  holder  will  be  entitled  to  continue  to  rely  on  the  custodian’s  registration  for  five  business days  after  the 
exchange.  Thereafter, the holder may not be able to obtain and remit U.S. dollars abroad upon the disposition of our common shares, or distributions relating 
to our common shares, unless the holder obtains a new registration.  See “Item 10.D. Exchange Controls.” 

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D.      Selling Shareholders 

Not applicable. 

E.      Dilution 

Not applicable. 

F.       Expenses of the Issue 

Not applicable. 

ITEM 10.         ADDITIONAL INFORMATION 

A.      Share Capital 

Not applicable. 

B.      Memorandum and Articles of Association  

The following is a summary of the material terms of our common shares, including related provisions of our bylaws and Brazilian Corporate Law.  This 

description is qualified by reference to our bylaws and to Brazilian law. 

Corporate Purposes 

We are a mixed capital company (sociedade de economia mista) of unlimited duration, incorporated on September 6, 1973, with limited liability, duly 
organized and operating under Brazilian Corporate Law.  As set forth in Article 2 of our bylaws, our corporate purpose is to render basic sanitation services, 
aimed at the universalization of basic sanitation in the state of São Paulo without harming our long-term financial sustainability.  Our activities comprise water 
supply, sanitary sewage services, urban rainwater management and drainage services, urban cleaning services, solid waste management services and related 
activities, including the planning, operation, maintenance and commercialization of energy, and the commercialization of services, products, benefits and rights 
that directly or indirectly arise from our assets, operations and activities.  We are allowed to act, in a subsidiary form, in other Brazilian locations and abroad. 

Directors’ Powers 

In addition to the general provisions of Brazilian law, our Board of Director’s Internal Charter contains the specific provisions set out below regarding a 
director’s power to vote on a proposal, arrangement or contract in which that director has a material interest.  Under Brazilian Corporate Law, a director or an 
executive officer is prohibited from voting in any meeting or with respect to any transaction in which that director or executive officer has a conflict of interest 
with the company and must disclose the nature and extent of the conflicting interest to be recorded in the minutes of the meeting.  In any case, a director or an 
executive officer may not transact any business with the company, including any borrowing, except on reasonable or fair terms and conditions that are identical 
to the terms and conditions prevailing in the market or offered by third parties. 

According to our Board of Director’s Internal Charter, when a matter involves a conflict of interest with ours or a particular interest in the matter, each 
member of the Board of Directors shall (i) declare his impediment in a timely manner, as soon as he becomes aware of the fact, (ii) refrain from intervening in 
the matter in discussion or deliberation, (iii) include the fact in the minutes of the meeting, and (iv) abstain from discussions and deliberations. 

Under our bylaws, our shareholders are responsible for establishing the compensation we pay to the members of our board of directors, members of the 

fiscal committee and the executive officers. 

Pursuant  to  Brazilian  Corporate  Law,  each  member  of  our  board  of  executive  officers  must  be  a  resident  in  Brazil. Our  bylaws  do  not  establish  any 

mandatory retirement age limit. 

See also “Item 6.A. Directors and Senior Management.” 

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Description of Common Shares 

General 

Each common share entitles the holder thereof to one vote at our annual or special shareholders’ meetings.  According to the Brazilian Corporate Law and 
CVM regulation, our shareholders’ meetings must be called by publication of a notice in the Diário Oficial do Estado de São Paulo, the official government 
publication  of  the  State  of  São  Paulo,  and  in  a  newspaper  of  general  circulation  in  our  principal  place  of  business  (in  our  case,  the  publication  “Valor 
Econômico”), currently the city of São Paulo, at least fifteen days prior to the meeting. The quorum to hold shareholders’ meetings on first call requires the 
attendance of shareholders, either in person or by proxy, representing at least 25.0% of the shares entitled to vote and, on second call, the meetings can be held 
with the attendance of shareholders, also either in person or by proxy, representing any number of shares entitled to vote.   

Under Brazilian Corporate Law, our common shares are entitled to dividends or other distributions made in respect of our common shares in proportion 
to their share of the amount available for the dividend or distribution.  See “Item 8A. Financial Statements and Other Financial Information—Dividends and 
Dividend Policy” for a more complete description of payment of dividends and other distributions on our common shares.  In addition, upon any liquidation of 
our Company, our common shares are entitled to our remaining capital after paying our creditors in proportion to their ownership interest in us. 

In principle, a change in shareholder rights, such as the reduction of the compulsory minimum dividend, is subject to a favorable vote of the shareholders 
representing at least one half of our voting shares.  Under some circumstances that may result in a change in the shareholder rights, such as the creation of 
preferred shares, Brazilian Corporate Law requires the approval of a majority of the shareholders who would be adversely affected by the change attending a 
special  meeting  called  for  such  reason.   It  should  be  emphasized,  however,  that  our  bylaws  expressly  prevent  us  from  issuing  preferred  shares. Brazilian 
Corporate Law specifies other circumstances where a dissenting shareholder may also have appraisal rights. 

According to Brazilian Corporate Law, neither a company’s bylaws nor actions taken at a general meeting of shareholders may deprive a shareholder of 

certain rights, such as: 

•   the right to participate in the distribution of profits; 

•   the right to participate equally and ratably in any remaining residual assets in the event of liquidation of the company; 

•   the right to supervise the management of the corporate business as specified in Brazilian Corporate Law; 

•   the right to preemptive rights in the event of a subscription of shares, debentures convertible into shares or subscription bonuses (except in some specific 

circumstances under Brazilian law); and 

•   the right to withdraw from the company in the cases specified in Brazilian Corporate Law. 

Pursuant to Brazilian Corporate Law and our bylaws, each of our common shares carries the right to one vote at our shareholders’ meetings.  We may not 

restrain or deny that right without the consent of the holders of a majority of the shares affected. 

Neither Brazilian Corporate Law nor our bylaws expressly address: 

•   staggered terms for directors; 

•   cumulative voting, except as described below; or  

•   measures that could prevent a takeover attempt. 

However, under the laws of the State of São Paulo, the State is required to own at least a majority of our outstanding common shares. 

According to Brazilian Corporate Law and its regulations, shareholders representing at least 10 percent of our capital, may request that a multiple voting 
procedure be adopted to entitle each share to as many votes as there are board members and to give each shareholder the right to vote cumulatively for only 
one candidate or to distribute their votes among several candidates.  Pursuant to Brazilian Corporate Law, shareholder action must be taken at a shareholders 
meeting, duly called for and not by written consent. 

In addition, shareholders owning at least 15.0% of the capital may request the right to elect, separately a member of the Board of Directors. 

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Preemptive Rights 

Each of our shareholders has a general preemptive right to subscribe for shares or securities convertible into shares in any capital increase, in proportion 
to his or her ownership interest in us, except in the event of the grant and exercise of any option to acquire shares of our capital stock. The preemptive rights 
are valid for a 30-day period from the publication of the announcement of the capital increase.  Shareholders are also entitled to sell this preemptive right to 
third parties.  Under Brazilian Corporate Law, we may amend our bylaws to eliminate preemptive rights or to reduce the exercise period in connection with a 
public offering of shares or an exchange offer made to acquire another company.   

In the event of a capital increase by means of the issuance of new shares, holders of ADSs, or of common shares, would, except under circumstances 
described above, have preemptive rights to subscribe for any class of our newly issued shares.  However, an ADS holder may not be able to exercise the 
preemptive rights relating to the common shares underlying his or her ADSs unless a registration statement under the Securities Act is effective with respect 
to those rights or an exemption from the registration requirements of the Securities Act is available.  See “Item 3.D. Risk Factors—Risks Relating to Our 
Common Shares and ADSs—A holder of our common shares and ADSs might be unable to exercise preemptive rights and tag-along rights with respect to the 
common shares.” 

Redemption and Rights of Withdrawal 

Brazilian Corporate Law provides that, under limited circumstances, a shareholder has the right to withdraw his or her equity interest from the company 
and to receive payment for the portion of shareholder’s equity attributable to his or her equity interest.  This right of withdrawal may be exercised by dissenting 
our shareholders in the event that at least half of all voting shares outstanding authorize us: 

•   to reduce the mandatory distribution of dividends; 

•   to merge into another company or to consolidate with another company, subject to the conditions set forth in Brazilian Corporate Law; 

•   to participate in a centralized group of companies, as defined under Brazilian Corporate Law and subject to the conditions set forth therein; 

•   to change our corporate purpose; 

•   to split up, subject to the conditions set forth in Brazilian Corporate Law; 

•   creating preferred shares or increasing an existing class of preferred shares without maintaining the existing ratio with the remaining class of preferred 

shares, unless when already set forth in or authorized by the bylaws; 

•   to transform into another type of company; 

•   to transfer all of our shares to another company or to receive shares of another company in order to make the company whose shares are transferred a 

wholly owned subsidiary of such company, known as incorporação de ações; or 

•   to acquire control of another company at a price which exceeds the limits set forth in Brazilian Corporate Law. 

The right of withdrawal lapses 30 days after publication of the minutes of the shareholders’ meeting that approved a corporate action described above.  We 
would be entitled to reconsider any action giving rise to withdrawal rights within 10 days following the expiration of such rights if the withdrawal of shares of 
dissenting shareholders would jeopardize our financial condition.  Brazilian Corporate Law allows companies to redeem their shares at their economic value, 
subject to the provisions of their bylaws and certain other requirements.  Our bylaws currently do not provide that our capital stock will be redeemable at its 
economic value and, consequently, any redemption pursuant to Brazilian Corporate Law would be made based on the book value per share, determined on the 
basis of the last balance sheet approved by the shareholders. However, if a shareholders’ meeting giving rise to redemption rights occurred more than 60 days 
after the date of the last approved balance sheet, a shareholder would be entitled to demand that his or her shares be valued on the basis of a new balance sheet 
dated within 60 days of such shareholders’ meeting.   

In addition, the rights of withdrawal in the third, fourth and eighth bullet points above may not be exercised by holders of shares if such shares (i) are 
liquid, defined as being part of the Bovespa index (Índice Bovespa) or other stock exchange index (as defined by the CVM), and (ii) are widely held, such that 
the controlling shareholder or companies it controls have less than 50.0% of our shares.  Our common shares are included on the Bovespa index. 

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This right of withdrawal may also be exercised in the event that the entity resulting from a stock merger as described above, consolidation or spin-off of 

a listed company fails to become a listed company within 120 days of the shareholders’ meeting at which such transaction was approved. 

We may cancel the right of withdrawal if the payment amount has a material adverse effect on our finances. 

Conversion Right 

Not applicable because our capital stock is only comprised of common shares. 

Special and General Meetings 

Unlike the laws governing corporations incorporated under the laws of the United States’ state of Delaware, the Brazilian corporate law does not allow 
shareholders  to  approve  matters  by  written  consent  obtained  as  a  response  to  a  consent  solicitation  procedure.   All  matters  subject  to  approval  by  the 
shareholders must be approved in a general meeting, duly convened pursuant to the provisions of Brazilian corporate law.  Shareholders may be represented at 
a  shareholders’  meeting  by  attorneys-in-fact  who  are  (i) shareholders  of  the  corporation,  (ii) a  Brazilian  attorney,  (iii) a  member  of  management  or  (iv) a 
financial institution. 

General  shareholders’  meetings  shall  be  called,  convened  and  deliberated  under  Brazilian  Corporate  Law  to  address  all  matters  of  interest  to  the 
company.  General shareholders’ meetings may be called by publication of a notice in the Diário Oficial do Estado de São Paulo and in a newspaper of general 
circulation in our principal place of business, and the first call should be made at least 15 days prior to the meeting.  In our case, the first call is made 30 days 
in advance due the issuance of ADRs, as recommended by the CVM.  The second call should be made at least 8 days in advance, if quorum is not reached, 
pursuant to the Brazilian Corporate Law.  

At duly called and convened meetings, our shareholders are empowered to take any action regarding our business.  Shareholders have the exclusive right, 
during our annual shareholders’ meetings required to be hold within 120 days of the end of our fiscal year, to approve our financial statements and to determine 
the allocation of our net income and the distribution of dividends related to the fiscal year immediately preceding the meeting.  The members of our board of 
directors are generally elected at annual shareholders’ meetings.  However, according to Brazilian corporate law, they can also be elected at extraordinary 
shareholders’ meetings.  At the request of shareholders holding a sufficient number of shares, a fiscal committee can be established and its members elected at 
any shareholders’ meeting. 

A special shareholders’ meeting may be held concurrently with the annual shareholders’ meeting and at other times during the year.  Our shareholders 

may take the following actions, among others, exclusively at shareholders’ meetings: 

•   election and dismissal of the members of our board of directors and our fiscal committee, if the shareholders have requested the setup of the latter; 

•   approval of the aggregate compensation of the members of our board of directors and board of executive officers, as well as the compensation of the 

members of the fiscal committee; 

•   amendment of our bylaws; 

•   approval of our merger, consolidation or spin-off; 

•   approval of our dissolution or liquidation, as well as the election and dismissal of liquidators and the approval of their accounts; 

•   granting stock awards and approval of stock splits or reverse stock splits; 

•   approval  of  stock  option  plans  for  our  management and employees, as  well  as  for  the  management  and  employees  of  other companies  directly  or 

indirectly controlled by us; 

•   approval, in accordance with the proposal submitted by our board of directors, of the distribution of our net income and payment of dividends; 

•   authorization to delist from the Novo Mercado and to become a private company, except if the cancellation is due to a breach of the Novo Mercado 
regulations by management, and to retain a specialized firm to prepare a valuation report with respect to the value of our shares, in any such events; 

•   approval of our management accounts and our financial statements;  

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•   approval of any primary public offering of our shares or securities convertible into our shares; and 

•   deliberate upon any matter submitted by the board of directors. 

Limitations on Rights to Own Securities 

There are no limitations under Brazilian law and our bylaws on the rights of non-residents or foreign shareholders to own securities, including the rights 

of such non-resident or foreign shareholders to hold or exercise voting rights. 

Equal Treatment Provisions 

Pursuant  to  our  bylaws  and  the  Novo  Mercado  regulations,  any  party  that  acquires  our  control  must  extend  a  tender  offer  for  the  shares  held  by 
non-controlling shareholders at the same conditions and purchase price paid to the controlling shareholder.  In addition, State Law No. 119/1973, which created 
our Company, requires the State to hold the majority of our shares at all times. 

Reserves 

General 

The Brazilian Corporate Law provides that all discretionary allocations of “adjusted income” are subject to shareholder approval and may be added to 
capital or distributed as dividends in subsequent years.  In the case of our capital reserve and the legal reserve, they are also subject to shareholder approval; 
however, the use of their respective balances is restricted to being added to capital or absorbed by losses.  They cannot be used as a source for income distribution 
to shareholders. 

Investment Reserve 

Our investment reserve is composed specifically of internal funds for expansion of water and sewage service systems.  As of December 31, 2019, we had 

an investment reserve of R$6,098.6 million. 

Legal Reserve 

Under Brazilian Corporate Law, we are required to record a legal reserve to which we must allocate 5% of the adjusted net income each year until the 
amount of the reserve equals 20.0% of paid-in capital.  Any accumulated deficit may be charged against the legal reserve.  As of December 31, 2019, the 
balance of our legal reserve was R$1,368.4 million. 

Arbitration 

In connection with our listing with the Novo Mercado segment of the B3, we, our shareholders, directors and officers have undertaken to refer to arbitration 
any and all disputes or controversies arising out of the Novo Mercado rules or any other corporate matters.  See “Item 9.C. Markets.”  Under our bylaws, any 
dispute among us, our shareholders and our management with respect to the application of Novo Mercado rules, the Brazilian Corporate Law, the application 
of the rules and regulations regarding Brazilian capital markets, will be resolved by arbitration conducted pursuant to the B3 Arbitration Rules in the Market 
Arbitration Chamber.  Any dispute among shareholders, including holders of ADSs, and any dispute between us and shareholders, including holders of ADSs, 
will also be submitted to arbitration.   

Options 

There are currently no outstanding options to purchase any of our common shares.  

C.      Material Contracts 

For a description of the material contracts entered into by the State and us, see “Item 7.B. Related Party Transactions—Transactions with the State of São 

Paulo” and “Item 7.B. Related Party Transactions—Agreements with the State.” 

D.      Exchange Controls 

The right to convert dividend or interest payments and proceeds from the sale of shares into foreign currency and to remit such amounts outside Brazil is 
subject to restrictions under foreign investment legislation which generally requires, among other things, that the relevant investments have been registered 
with the Central Bank and the CVM.  Such restrictions on the remittance of foreign capital abroad may hinder or prevent the custodian for our common shares 
represented by our ADSs or the holders of our common shares from converting dividends, distributions or the proceeds from any sale of these shares into 
U.S. dollars and remitting the U.S. dollars abroad.  Holders of our ADSs could be adversely affected by delays in, or refusal to grant any, required government 
approval to convert Brazilian currency payments on the common shares underlying our ADS and to remit the proceeds abroad. 

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Accordingly, the proceeds from the sale of ADSs by ADR holders outside Brazil are not subject to Brazilian foreign investment controls, and holders of 
the ADSs are entitled to favorable tax treatment under certain circumstances.  See “Item 3.D. Risk Factors—Risks Relating to Our Common Shares and ADSs—
Investors  who  exchange  ADSs  for  common  shares  may  lose  their  ability  to  remit  foreign  currency  abroad  and  to  obtain  Brazilian  tax  advantages”  and 
“Item 10.E. Taxation—Brazilian Tax Considerations.” 

Since March 30, 2015, CMN Resolution No. 4,373/2014, of September 29, 2014, has been in full effect, providing for the issuance of depositary receipts 
in foreign markets in respect to shares of Brazilian issuers.  The CMN Resolution No. 4,373/2014, among other acts, revoked CMN Resolution No. 1,927/1992, 
of May 18, 1992, CMN Resolution No. 1,289/1987, of March 20, 1987, and CMN Resolution No. 2,689/2000, of January 26, 2000.  Under Brazilian law 
relating to foreign investment in the Brazilian capital markets, foreign investors registered with the CVM and acting through authorized custodial accounts 
managed  by  local  agents  may  buy  and  sell  shares  on  Brazilian  stock  exchanges  without  obtaining  separate  certificates  of  registration  for  each 
transaction.  Foreign investors may register their investment under Law No. 4,131/1962, of September 3, 1962, as amended, or under CMN Resolution No. 
4,373, of September 20, 2014.  

The Law No. 4,131/1962 is the main legislation concerning investment of direct foreign capital and foreign direct equity in companies based in Brazil.  It 
is applicable to any amount of capital that enters Brazil in the form of foreign currency, goods or services.  Foreign investment portfolios are regulated by CMN 
Resolution No. 4,373/2014, CVM Instruction No. 559/2015, of March 27, 2015, which regulates the approval of ADR programs by the CVM, and CVM 
Instruction No. 560/2015, of March 27, 2015, which regulates the filing of transactions and disclosure of information by foreign investors, all reflecting the 
provisions of CMN Resolution No. 4,373/2014.  

As of January 1, 2016, foreign investors that intend to be registered with the CVM shall fulfill the requirements under CVM Instruction No. 560/2015.  In 
accordance with CMN Resolution No. 4,373/2014 the definition of a foreign investor includes individuals, legal entities, mutual funds and other collective 
investment entities, domiciled or headquartered abroad.  In order to become a 4,373 Holder, a foreign investor must: 

•   appoint at least one representative in Brazil, with powers to perform actions relating to its investment; 

•   appoint an authorized custodian in Brazil for its investments, which must be a financial institution or entity duly authorized by the Central Bank or 

CVM; 

•   appoint a tax representative in Brazil; 

•   through its representative in Brazil, register itself as a foreign investor with the CVM;  

•   through its representative in Brazil, register its foreign investment with the Central Bank; and   

•   be registered with the Federal Tax Authority (Secretaria da Receita Federal), or the “RFB,” pursuant to RFB Normative Instruction No. 1,548/2015, 

of February 13, 2015, and RFB Normative Instruction No. 1,863/2018, of December 27, 2018. 

E.      Taxation  

This summary contains a description of certain Brazilian and U.S. federal income tax consequences of the purchase, ownership and disposition of common 

shares or ADSs by a holder. 

The summary is based upon the tax laws of Brazil and the federal income tax laws of the United States as in effect on the date of this annual report, which 
laws are subject to change, possibly with retroactive effect, regarding the U.S. federal income tax, and to differing interpretations.  Holders of common shares 
or ADSs should consult their own tax advisors as to the Brazilian, U.S. or other tax consequences of the purchase, ownership and disposition of common shares 
or ADSs, including, in particular, the effect of any non-Brazilian, non-U.S., state or local tax laws. 

Although there presently is no income tax treaty between Brazil and the United States, the tax authorities of the two countries have had discussions in the 
past regarding such a treaty.  No assurance can be given, however, as to if or when a treaty will enter into force or how it will affect the U.S. holders of common 
shares or ADSs. 

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Brazilian Tax Considerations 

The following discussion summarizes the principal Brazilian tax consequences of the acquisition, ownership and disposition of common shares or ADSs 
by  a  holder that  is  not  domiciled  in  Brazil  for  purposes  of  Brazilian taxation  (a “non-Brazilian  holder”).   It is  based  on  Brazilian  laws  and  regulations  as 
currently in effect, and, therefore, any change in such law may change the consequences described below.  Each non-Brazilian holder should consult his or her 
own tax adviser concerning the Brazilian tax consequences of an investment in common shares or ADSs. 

A non-Brazilian holder of ADSs may withdraw them in exchange for common shares in Brazil.  Pursuant to Brazilian law, the non-Brazilian holder may 

invest in the common shares under CMN Resolution 4,373/2014 or as a foreign direct investment under Law No. 4,131/1962. 

Taxation of Dividends 

As a result of the tax legislation adopted on December 26, 1995, dividends based on profits generated after January 1, 1996, including dividends paid in 
kind, payable by us in respect of common shares or ADSs, are exempt from withholding income tax.  Dividends relating to profits generated prior to January 1, 
1996 may be subject to Brazilian withholding income tax at varying rates, depending on the year the profits were generated. 

Beginning in 2008, the Brazilian accounting rules were significantly modified in order to align them with IFRS. After the issuance of such new rules, a 
transitory tax regime (regime tributário de transição), or RTT, was created mainly to ensure neutrality of the new accounting rules in connection with the 
calculation and payment of corporate taxes on income.  Thus, according to the RTT, Brazilian companies had, only for purposes of calculation of their taxable 
profit, to use the accounting rules and criteria that existed until December 2007.    

As  a  result  of  the  application  of  the  RTT,  the  accounting  profit  of  a  Brazilian  company  might  be  significantly  higher  (or  lower)  than  its  taxable 
profit.  Although this specific matter has not been expressly regulated by law, the Brazilian tax authorities issued a normative instruction stating that the amount 
of dividends paid in excess of the profit of a company determined as per the accounting rules and criteria that existed until December 2007 should be subject 
to taxation.  

On April 14, 2014, Law No. 12,973 was issued to, among other, terminate the Transitory Regime (RTT) and regulate how corporate taxable income should 
be assessed taking as a starting point the accounting profit calculated according to the new accounting rules introduced as from 2008.  Such Law states that 
dividends related to all accounting profits generated between January 2008 and 31 December 2013 in excess of the established methods and criteria in force in 
December 31, 2007, are not subject to withholding tax, and does not integrate the calculation of income tax and social contribution.  With reference to 2014, 
the law is not clear, but tax authorities state that dividends paid in excess of the profit of a company determined as per the accounting rules and criteria that 
existed until December 2007 should be subject to withholding income tax at the rate of 15%, or 25% if the non-Brazilian holder is domiciled in a country or 
location that does not impose income tax or where the maximum income tax rate is lower than 20% (“Nil or Low Taxation Jurisdiction”).  As of 2015, in view 
of the termination of the RTT, there would be no differences between the accounting and the taxable profit, so that dividends generated since 2015 should be 
fully paid with no Brazilian withholding tax implications.   

Taxation of Gains 

Gains  realized  on  disposition  of  common  shares  are  subject  to  income  tax  in  Brazil,  regardless  of  whether  the  sale  or  the  disposition  is  made  by  a 
non-Brazilian holder to a resident or person domiciled in Brazil.  This is due to the fact that the common shares can be considered assets located in Brazil for 
purposes of Law No. 10,833/2003. 

Thus, gains, for purposes of taxation of gains earned in a sale or disposition of common shares carried out on a Brazilian stock exchange (which includes 

transactions carried out on the organized over-the-counter market): 

•   are exempt from income tax when assessed on a non-Brazilian holder that (1) has registered its investment in Brazil with the Central Bank under the 

rules of CMN Resolution No. 4,373/2014, and (2) is not a resident of or domiciled in a Nil or Low Taxation Jurisdiction; or  

•   in all other cases, including gains realized by a non-Brazilian holder that is not a 4,373 holder and/or is a resident of or domiciled in a Nil or Low 
Taxation Jurisdiction, subject to income tax at a 15.0% rate.  In these cases, a withholding income tax at a rate of 0.005% will be applied and can later 
be offset with the eventual income tax due on the capital gain. 

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Any other gains assessed on the disposition of the common shares that are not carried out on the Brazilian stock exchange are subject to income tax at (i) 
a flat rate of 15% for a 4,373/2014 holder that is not a resident of or domiciled in a Nil or Low Taxation Jurisdiction; (ii) a flat rate of 25.0% for a non-Brazilian 
holder that is a resident of or domiciled in a Nil or Low Taxation Jurisdiction; (iii) progressive rates that may vary from 15.0% to 22.5% (15.0% for the part of 
the gain that does not exceed R$5.0 million, 17.5% for the part of the gain that exceeds R$5.0 million but does not exceed R$10.0 million, 20.0% for the part 
of the gain that exceeds R$10.0 million but does not exceed R$30.0 million and 22.5% for the part of the gain that exceeds R$30.0 million), for all other 
non-Brazilian  holders.  If  these  gains  are  related  to  transactions  conducted  on  the  Brazilian  non-organized-over-the-counter  market  with  intermediation, 
withholding income tax of 0.005% shall also be applicable and can be offset with the eventual income tax due on the capital gain. 

In the case of redemption of securities or capital reduction by a Brazilian corporation, such as ourselves, the positive difference between the amount 
effectively received by the non-Brazilian holder and the corresponding acquisition cost is treated, for tax purposes, as capital gain derived from disposition of 
common shares not carried out on a Brazilian stock exchange. 

Any exercise of preemptive rights relating to the common shares will not be subject to Brazilian income tax.  Any gain on the sale or assignment of 
preemptive rights relating to the common shares by a non-Brazilian holder of common shares will be subject to Brazilian taxation at the same rate applicable 
to the sale or disposition of common shares. 

There is no assurance that the current preferential treatment for non-Brazilian holders of common shares under CMN Resolution No. 4,373/2014 will 
continue in the future or that it will not be changed in the future.  Reductions in the rate of tax provided for by Brazil’s tax treaties do not apply to the tax on 
gains realized on sales or exchange of common shares. 

Sale of ADSs by non-Brazilian holder to another non-Brazilian holder 

Gains realized outside Brazil by a non-Brazilian holder on the disposition of ADSs should not be subject to Brazilian tax.  As mentioned above, according 
to  Law  No. 10,833/2003  of  December 2003,  or  Law  No. 10,833,  the  disposition  of  assets  located  in  Brazil  by  a  non-Brazilian  holder,  whether  to  other 
non-Brazilian holder or Brazilian holders, may become subject to taxation in Brazil.  Although we believe that the ADSs do not fall within the definition of 
assets located in Brazil for the purposes of Law no. 10,833, considering the general and unclear scope of it and the lack of definitive judicial court ruling to act 
as the leading case in respect thereto, we are unable to predict whether such understanding will ultimately prevail in the courts of Brazil.   

In case the ADSs are considered assets located in Brazil, gains on disposition of ADSs by a non-Brazilian holder to a resident in Brazil or even to a non-
Brazilian resident may be subject to income tax in Brazil according to the rules described below for ADSs or the tax rules applicable to common shares, as 
applicable. 

Exchange of ADSs for common shares 

Although there is no clear regulatory guidance, the withdrawal of ADSs in exchange for common shares is not subject to Brazilian income tax to the extent 

that, as described above, ADSs do not fall within the definition of assets located in Brazil for the purposes of Law No. 10,833/2003.  

Upon receipt of the underlying common shares in exchange for ADSs, non-Brazilian holders may also elect to register with the Central Bank the U.S. 
dollar amount of such preferred shares or common shares as a foreign portfolio investment under Resolution No. 4,373/2014 or as a foreign direct investment 
under Law No. 4,131/1962. 

Exchange of common shares for ADSs 

With reference to the deposit of common shares in exchange for ADSs, the difference between the acquisition cost of the common shares and the market 
price of the common shares may be subject to Brazilian income tax at progressive rates that may vary from 15.0% to 22.5% (15.0% for the part of the gain that 
does not exceed R$5.0 million, 17.5% for the part of the gain that exceeds R$5.0 million but does not exceed R$10.0 million, 20.0% for the part of the gain 
that exceeds R$10.0 million but does not exceed R$30.0 million and 22.5% for the part of the gain that exceeds R$30.0 million), except for non-Brazilian 
holders located in a Nil or Low Taxation Jurisdiction, which, in this case, would be subject to income tax at a flat rate of 25.0%.  In some circumstances, there 
may be arguments to claim that this taxation is not applicable in the case of a non-Brazilian holder that is a 4,373 Holder and is not a resident of or domiciled 
in a Nil or Low Taxation Jurisdiction.  

Discussion on Low or Nil Taxation Jurisdictions 

On June 24, 2008, Law No. 11,727/2008 was enacted defining the concept of a “privileged tax regime” in connection with transactions subject to transfer 
pricing  and  thin  capitalization  rules.   In  this  conception,  privileged  tax  regimes  are  more  comprehensive  than  tax  havens.   A  “privileged  tax  regime”  is 
considered to be a jurisdiction which:  (i) does not tax income or taxes income at a maximum rate lower than 20.0%; (ii) grants tax advantages to a non-resident 
entity or individual (a) without requiring substantial economic activity in the jurisdiction of such non-resident entity or individual or (b) to the extent such non-
resident entity or individual does not conduct substantial economic activity in the jurisdiction of such non-resident entity or individual; (iii) does not tax income 
generated abroad, or imposes tax on income generated abroad at a maximum rate lower than 20.0%; or (iv) restricts the ownership disclosure of assets and 
ownership rights or restricts disclosure about economic transactions.  On 2014 the Brazilian Revenue Service Ordinance 488 was published, reducing from 
20% to 17% the minimum threshold for certain specific cases. The reduced 17% threshold applies only to countries and regimes aligned with international 
standards of fiscal transparency in accordance with rules to be established by the Brazilian tax authorities. 

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Notwithstanding the fact that the “privileged tax regime” concept was enacted in connection with Brazilian transfer pricing and thin capitalization rules, 
there  is  no  assurance  that  Brazilian  tax  authorities  will  not  attempt  to  apply  the  concept  of  privileged  tax  regimes  to  other  types  of  transactions,  such  as 
investments in the Brazilian financial and capital markets.  We recommend that prospective investors consult their own tax advisors from time to time to verify 
any possible tax consequences of Law No. 11,727/2008 and Ordinance 488/2014. 

Interest Attributed to Shareholders’ Equity 

According to Brazilian laws and our bylaws, we may opt to distribute income as interest attributed to shareholders’ equity as an alternative to the payment 

of dividends. 

Distribution of an interest on equity charge attributed to shareholders’ equity with respect to common shares or ADSs as an alternative form of payment 
to shareholders, including non-Brazilian holders of common shares or ADSs, is subject to Brazilian withholding income tax at the rate of 15% or 25%, in case 
of a Nil or Low Taxation Jurisdiction holder.   

Such payments, subject to certain limitations and requirements, are deductible for Brazilian income tax purposes. This interest is limited to the daily pro 

rata variation of the Federal Government’s long-term interest rate, as determined by the Central Bank from time to time, and cannot exceed the greater of: 

(a)     

50% of net income (after the social contribution on net profits and before the provision for corporate income tax, and the amounts attributable to 
shareholders as interest on net equity) for the period with respect to which the payment is made; or   

50% of the sum of retained earnings and earnings reserves as of the date of the beginning of the period with respect to which the payment is made.   

(b)     

Other Brazilian Taxes 

There  are  no  Brazilian  inheritance,  gift  or  succession  taxes  applicable  to  the  ownership,  transfer  or  disposition  of  common  shares  or  ADSs  by  a 
non-Brazilian holder, except for gift and inheritance taxes, which are levied by some states of Brazil on gifts made or inheritances bestowed by a non-Brazilian 
holder to individuals or entities resident or domiciled within such states in Brazil.  There is no Brazilian stamp, issue, registration, or similar taxes or duties 
payable by a non-Brazilian holder of common shares or ADSs. 

Tax on foreign exchange transactions (“IOF/Exchange”) 

Pursuant to Decree No. 6,306/2007, dated December 14, 2007, as amended, or Decree No. 6,306/2007, the conversion of Brazilian currency into foreign 
currency (e.g., for purposes of paying dividends and interest) and the conversion of foreign currency into Brazilian currency may be subject to the Tax on 
Foreign  Exchange  Transactions  or  IOF/Exchange.   Currently,  for  most  exchange  transactions,  the  rate  of  IOF/Exchange  is  0.38%.   However,  exchange 
transactions carried out for the inflow of funds in Brazil for investments in the Brazilian financial and capital market made by a foreign investor (including a 
Non-Resident Holder, as applicable) are subject to IOF/Exchange at a 0%.  The IOF/Exchange rate will also be 0% for the outflow of funds from Brazil related 
to these types of investments, including payments of dividends and interest on shareholders’ equity and the repatriation of funds invested in the Brazilian 
market. 

The Brazilian government may increase the rate of the IOF/Exchange to a maximum of 25.0% of the amount of the foreign exchange transaction at any 

time, but such an increase would not apply retroactively. 

Tax on transactions involving bonds and securities (“IOF/Bonds Tax”) 

The IOF may also be imposed on any transactions involving bonds and securities, including those carried out on Brazilian futures and commodities stock 
exchanges.   As  a  general  rule,  the  rate  of  this  tax  for  transactions  involving  common  shares  or  ADSs  is  currently  zero.   The  executive  branch,  also  by  a 
Presidential Decree, may increase the IOF rate by up to 1.5% per day, but only with respect to future transactions. 

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U.S. Federal Income Tax Considerations 

The following discussion is a summary of certain U.S. federal income tax consequences of the acquisition, ownership and disposition of common shares 
or ADSs as of the date hereof.  This discussion applies only to a beneficial owner of common shares or ADSs that is a “U.S. holder.”  As used herein, the term 
“U.S. holder” means a beneficial owner of a common share or ADS that, for U.S. federal income tax purposes, is: 

•   an individual who is a citizen or resident of the United States; 

•   a corporation (or other entity treated as a corporation for U.S. federal income tax purposes) created or organized in or under the laws of the United 

States, any state thereof or the District of Columbia; 

•   an estate the income of which is subject to U.S. federal income taxation regardless of its source; or 

•   a trust if it (1) is subject to the primary supervision of a court within the United States and one or more U.S. persons have the authority to control all 
substantial decisions of the trust or (2) has a valid election in effect under applicable U.S. Treasury Department regulations to be treated as a U.S. 
person.  

If a partnership (or other entity treated as a partnership for U.S. federal income tax purposes) holds common shares or ADSs, the tax treatment of a partner 
will generally depend upon the status of the partner and the activities of the partnership.  A U.S. holder that is a partner of a partnership holding common shares 
or ADSs should consult its tax advisors. 

Except where noted, this discussion deals only with common shares or ADSs held as capital assets within the meaning of Section 1221 of the Internal 
Revenue Code of 1986, as amended, or the Code, and does not deal with U.S. holders that may be subject to special U.S. federal income tax rules, such as 
dealers in securities or currencies, traders in securities that elect to use a mark-to-market method of accounting for their securities holdings, banks or other 
financial institutions, tax-exempt organizations, insurance companies, real estate investment trusts, regulated investment companies, persons holding common 
shares  or  ADSs  as  part  of  a  hedging,  integrated,  conversion  or  constructive  sale  transaction  or  a  straddle,  persons  liable  for  alternative  minimum  tax, 
pass-through entities and investors in a pass-through entity, persons owning 10% or more of our stock, or persons whose “functional currency” is not the 
U.S. dollar. 

This discussion is based upon the provisions of the Code, and existing and proposed U.S. Treasury Department regulations, administrative pronouncements 
of the Internal Revenue Service, or the IRS, and judicial decisions as of the date hereof.  Such authorities may be repealed, revoked or modified so as to result 
in U.S. federal income tax consequences different from those discussed below, possibly with retroactive effect.  In addition, this discussion is based, in part, 
upon representations made by the Depositary to us and assumes that the deposit agreement, and all other related agreements, will be performed in accordance 
with their terms.   

Except as specifically described below, this discussion assumes that we are not a passive foreign investment company, or PFIC, for U.S. federal income 
tax purposes. Please see the discussion under “—Passive Foreign Investment Company Rules” below.  Further, this discussion does not address the U.S. federal 
estate and gift, alternative minimum tax, Medicare tax on net investment income, state, local or non-U.S. tax consequences of acquiring, holding or disposing 
of common shares or ADSs. 

ADSs 

In general, for U.S. federal income tax purposes, U.S. holders of ADSs will be treated as the owners of the underlying common shares that are represented 
by such ADSs.  Deposits or withdrawals of common shares by U.S. holders for ADSs will not be subject to U.S. federal income tax.  However, the U.S. Treasury 
Department has expressed concerns that parties involved in transactions wherein depositary shares are pre-released may be taking actions that are inconsistent 
with the claiming of foreign tax credits by the holders of ADSs.  Accordingly, the analysis of the creditability of Brazilian income taxes described herein could 
be affected by future actions that may be taken by the U.S. Treasury Department. 

Taxation of Dividends 

The gross amount of distributions paid to a U.S. holder (including Brazilian taxes that are withheld, if any, and any payments of interest on shareholders’ 
equity, as described above under “—Brazilian Tax Considerations”) will be treated as dividend income to the extent paid out of our current or accumulated 
earnings and profits, as determined under U.S. federal income tax principles.  Such income generally will be includable in a U.S. holder’s gross income as 
ordinary income when actually or constructively received by the U.S. holder, in the case of common shares, or when actually or constructively received by the 
Depositary, in the case of ADSs.  Such dividends will not be eligible for the dividends received deduction allowed to corporations under the Code.  To the 
extent that the amount of any distribution exceeds our current and accumulated earnings and profits for a taxable year, the distribution will first be treated as a 
tax-free return of capital to the extent of the U.S. holder’s adjusted tax basis in the common shares or ADSs, causing a reduction in such adjusted tax basis (and 
thereby increasing the amount of gain, or decreasing the amount of loss, to be recognized on a subsequent disposition of our common shares or ADSs), and 
thereafter as capital gain recognized on a sale or exchange.  Because we do not expect to maintain calculations of earnings and profits in accordance with 
U.S. federal  income  tax  principles,  U.S. holders  should  expect  that  a  distribution  will  generally  be  treated  as  a  dividend  for  U.S. federal  income  tax 
purposes.  Distributions of additional common shares or ADSs to U.S. holders that are part of a pro rata distribution to all of our shareholders generally will 
not be subject to U.S. federal income tax. 

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The amount of any dividend paid in reais will equal the U.S. dollar value of the reais received calculated by reference to the exchange rate in effect on 
the date the dividend is received by the U.S. holder, in the case of common shares, or by the Depositary, in the case of ADSs, regardless of whether the reais 
are converted into U.S. dollars.  If the reais received as a dividend are not converted into U.S. dollars on the date of receipt, the U.S. holder will have a tax 
basis in the reais equal to their U.S. dollar value on the date of receipt.  Any gain or loss realized on a subsequent conversion or other disposition of the reais 
will be foreign currency gain or loss that is treated as U.S. source ordinary income or loss.  If dividends paid in reais are converted into U.S. dollars on the day 
they are received by the U.S. holder or the Depositary, as the case may be, U.S. holders generally should not be required to recognize foreign currency gain or 
loss in respect of the dividend income.  U.S. holders should consult their own tax advisors regarding the treatment of any foreign currency gain or loss if any 
reais received by the U.S. holder or the Depositary or its agent are not converted into U.S. dollars on the date of receipt.   

Certain  dividends  received  by  certain  non-corporate  U.S. holders  may  be  eligible  for  preferential  tax  rates  so  long  as  (1) specified  holding  period 
requirements are met, (2) the U.S. holder is not under an obligation (whether pursuant to a short sale or otherwise) to make related payments with respect to 
positions in substantially similar or related property, (3) the company paying the dividend is a “qualified foreign corporation” and (4) the company is not a 
PFIC for U.S. federal income tax purposes in the year of distribution or the prior year.  We do not believe that we were classified as a PFIC for our prior taxable 
year nor do we expect to be classified as a PFIC for the current taxable year.  We generally will be treated as a qualified foreign corporation with respect to our 
ADSs so long as the ADSs remain listed on the NYSE.  Based on existing guidance, however, it is not entirely clear whether dividends received with respect 
to the common shares (to the extent not represented by ADSs) will be eligible for this treatment, because the common shares are not themselves listed on a 
U.S. exchange.  U.S. holders should consult their own tax advisors about the application of this preferential tax rate to dividends paid directly on common 
shares. 

Subject to certain complex limitations and conditions (including a minimum holding period requirement), Brazilian income taxes withheld on dividends, 
if any, may be treated as foreign income taxes eligible for credit against a U.S. holder’s U.S. federal income tax liability.  Alternatively, if a U.S. holder does 
not elect to claim a foreign income tax credit for any foreign taxes paid during the taxable year, all foreign income taxes paid may instead be deducted in 
computing such U.S. holder’s taxable income.  For purposes of calculating the foreign tax credit, dividends paid on our common shares or ADSs will be treated 
as income from sources outside the United States.  For the purposes of the U.S. foreign tax credit limitations, the dividends paid by us should generally constitute 
“passive  category  income”  for  most  U.S. holders. The  rules  governing  the  foreign  tax  credit  are  complex.   U.S. holders  should  consult  their  tax  advisors 
regarding the availability of the foreign tax credit under their particular circumstances.   

Taxation of Capital Gains 

For U.S. federal income tax purposes, a U.S. holder generally will recognize taxable gain or loss on any sale, exchange or other taxable disposition of a 
common  share  or  ADS  in an amount equal to  the  difference  between the  U.S. dollar  value  of the amount  realized  for  the  common  share  or  ADS  and  the 
U.S. holder’s adjusted tax basis in the common share or ADS, determined in U.S. dollars.  Such gain or loss will generally be capital gain or loss.  The capital 
gain or loss will be long-term capital gain or loss if at the time of sale, exchange or other taxable disposition the U.S. holder has held our common shares or 
ADSs for more than one year.  Capital gains of individuals derived with respect to capital assets held for more than one year are eligible for reduced rates of 
taxation.  The deductibility of capital losses is subject to limitations.  Any gain or loss recognized by a U.S. holder will generally be treated as U.S. source gain 
or loss.  Consequently, a U.S. holder may not be able to use the foreign tax credit arising from Brazilian income tax imposed, if any, on the disposition of a 
common share or ADS unless such credit can be applied (subject to applicable limitations) against U.S. federal income tax due on other income treated as 
derived from foreign sources.  

Passive Foreign Investment Company Rules 

Based upon our current and projected income, assets, activities and business plans, we do not expect the common shares or ADSs to be considered shares 
of a PFIC for our current fiscal year (although the determination cannot be made until the end of such fiscal year), and we intend to continue our operations in 
such a manner that we do not expect to be classified as a PFIC in the foreseeable future.  However, because the determination of whether the common shares 
or ADSs constitute shares of a PFIC will be based upon the composition of our income, assets and the nature of our business, as well as the income, assets and 
business of entities in which we hold at least a 25% interest, from time to time, and because there are uncertainties in the application of the relevant rules, there 
can be no assurance that the common shares or ADSs will not be considered shares of a PFIC for any fiscal year.  If the common shares or ADSs were shares 
of  a  PFIC  for  any  fiscal  year,  U.S. holders  (including  certain  indirect  U.S. holders)  may  be  subject  to  adverse  tax  consequences,  including  the  possible 
imposition of an interest charge on gains or “excess distributions” allocable to prior years in the U.S. holder’s holding period during which we were determined 
to be a PFIC.  If we are deemed to be a PFIC for a taxable year, dividends on our common shares or ADSs would not be qualified dividend income eligible for 
preferential rates of U.S. federal income taxation.  In addition, a U.S. holder that owns common shares or ADSs during any taxable year that we are treated as 
a PFIC would generally be required to file IRS form 8621.  U.S. holders should consult their own tax advisors regarding the application of the PFIC rules 
(including any information reporting requirements in connection therewith) to the common shares or ADSs.   

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Information Reporting and Backup Withholding  

In general, information reporting requirements will apply to dividends in respect of our common shares or ADSs or the proceeds received on the sale, 
exchange, or redemption of our common shares or ADSs, in each case to the extent treated as being paid within the United States (and in certain cases, outside 
of the United States) to a U.S. holder unless a U.S. holder establishes its status as an exempt recipient, and backup withholding may apply to such amounts if 
the U.S. holder does not establish its status as an exempt recipient or fails to provide a correct taxpayer identification number and certify that such U.S. holder 
is not subject to backup withholding.  The amount of any backup withholding from a payment to a U.S. holder will be allowed as a refund or credit against 
such U.S. holder’s U.S. federal income tax liability provided the U.S. holder timely furnishes the required information to the IRS. 

In  addition,  U.S. holders  should  be  aware  that  additional  reporting  requirements  apply  with  respect  to  the  holding  of  certain  foreign  financial  assets, 
including stock of foreign issuers which is not held in an account maintained by a financial institution, if the aggregate value of all of such assets exceeds 
US$50,000.  U.S. holders should consult their own tax advisors regarding the application of the information reporting rules to our common shares and ADSs 
and the application of these additional reporting requirements for foreign financial assets to their particular situation. 

F.       Dividends and Payments Agents 

Not applicable. 

G.      Statements by Experts 

Not applicable. 

H.      Documents on Display 

We are subject to the periodic reporting and other informational requirements of the U.S. Securities Exchange Act of 1934, as amended and supplemented, 
or the Exchange Act.  Accordingly, we are required to file reports and other information with the SEC.  You may inspect and copy reports and other information 
filed by us at the public reference facilities maintained by the SEC at 100 F Street, N.W., Washington D.C. 20549.  Our filings will also be available at the 
SEC’s website at http://www.sec.gov. Reports and other information may also be inspected and copied at the offices of the NYSE at 20 Broad Street, New 
York, New York 10005.   

Our website is located at http://www.sabesp.com.br and our investor relations website is located at http://www.sabesp.com.br/investors.  (These URLs are 
intended to be an inactive textual reference only.  They are not intended to be an active hyperlink to our website.  The information on our website, which might 
be accessible through a hyperlink resulting from this URL is not, and shall not be deemed to be, incorporated into this annual report.) 

We also furnish to the depositary annual reports in English including audited annual financial statements and reviewed quarterly financial statements in 
English for each of the first three quarters of the fiscal year.  We also furnish to the depositary English translations or summaries of all notices of shareholders’ 
meetings and other reports and communications that are made generally available to holders of common shares. 

I.        Subsidiary Information 

Not applicable. 

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ITEM 11.         QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK 

Market Risk 

We are exposed to various market risks, in particular, foreign currency risk and interest rate risk.  We are exposed to foreign currency risk because a 
substantial portion of our financial indebtedness is denominated in foreign currencies, primarily the U.S. dollar, while we generate all of our net operating 
revenues  in  reais.   Similarly,  we  are  subject to  interest  rate  risk based  upon  changes  in  interest rates,  which  affect  our  net  financial  expenses. For  further 
information on our market risks, see Note 5 to our financial statements included in this annual report.   

Exchange Rate Risk 

As  of  December 31,  2019  and  2018,  R$6,358.8  million  and  R$6,669.4  million,  or  48.0%  and  50.7%,  respectively,  of  our  debt  obligations  were 
denominated in foreign currencies.  As a result, we are exposed to exchange rate risks that may adversely affect our financial condition and results of operations, 
as well as our ability to meet debt service obligations. 

Exchange Rate Sensitivity 

We estimate that the potential loss to us in connection with U.S. dollar and Yen-denominated debt that would have resulted as of December 31, 2019, 
2018 and 2017 from each hypothetical instantaneous and unfavorable 1% change in the U.S. dollar and Yen against the real would have been approximately 
R$63.6 million, R$66.7 million and R$56.7 million, respectively.  Consistent with these estimates, a hypothetical instantaneous and unfavorable 10% change 
in this exchange rate would have resulted in losses of approximately R$635.9 million, R$666.9 million and R$567.3 million as of December 31, 2019, 2018 
and 2017, respectively. 

The fluctuation of the real in relation to the U.S. dollar and Yen for the years ended December 31, 2019, 2018 and 2017 were as follows:  

Depreciation (appreciation) of the real in relation to the U.S. dollar 
Depreciation (appreciation) of the real in relation to the Yen  

2019 

4.0 
5.3 

2018 

17.1 
20.0 

Year ended December 31, 

2017 

(in percentages) 

1.5 
5.4 

We have not contracted derivative financial instruments in the years ended December 31, 2019, 2018 and 2017. 

For further information regarding foreign currency risk, see Note 5.1(a) to our 2019 financial statements included in this annual report.  

As of December 31, 2019, 2018 and 2017, we had no short-term indebtedness outstanding, other than the current portion of long-term debt.  

Interest Rate Risk 

As of December 31, 2019 and 2018, R$1,680.3 million, or 12.7%, and R$1,642.4 million, or 12.5%, respectively, of our total debt outstanding balance 
denominated in reais was based on variable rates of interest based on the UPR, which is equivalent to the TR.  In addition, as of December 31, 2019 and 2018, 
R$1,881.9 million, or 14.2%, and R$1,261.7 million, or 9.6%, and respectively, of our total debt denominated in reais was subject to interest rates based on 
the CDI.  As of December 31, 2019 and 2018, R$2,837.9 million and R$2,982.0 million, respectively, of our foreign-currency denominated debt was based on 
the IADB and the IBRD variable rates of interest, which are determined based on the cost of funding of these multilateral organizations in each period. 

As of December 31, 2019 and 2018, we did not have any derivative contracts outstanding which limited exposure to changes in the UPR or the CDI or in 
the  IADB  or  IBRD  variable  rates.  However,  we  are  obliged  by  law  to  invest  our  excess  cash  with  financial  institutions  controlled  by  the  Brazilian 
government. We invest these excess funds, which totaled R$2,253.2 million and R$3,029.2 million as of December 31, 2019 and 2018, respectively, mainly in 
short-term instruments.  As a result, our exposure to Brazilian interest rate risk is partially limited by our real-denominated floating interest time deposits 
investments, which generally earn interest based on the CDI.  In addition to our exposure with respect to existing indebtedness, we may become exposed to 
interest rate volatility with respect to indebtedness incurred in the future. 

We estimate that we would have suffered a loss over periods of one year, respectively, of up to R$132.4 million, R$131.5 million and R$121.0 million if 
a hypothetical instantaneous and unfavorable change of 100 basis points in the interest rates applicable to financial liabilities as of December 31, 2019, 2018 
and 2017, respectively, had occurred.  Consistent with these estimates, a hypothetical instantaneous and unfavorable 1000 basis points change in these interest 
rates would have resulted in losses of approximately R$1,324.5 million, R$1,315.3 million and R$1,210.1 million as of December 31, 2019, 2018 and 2017, 
respectively.   This  sensitivity  analysis  is  based  on  the  assumption  of  an  unfavorable  100  basis  point  movement  of  the  interest  rates  applicable  to  each 
homogeneous category of financial liabilities and sustained over a period of one year, as applicable, and that such movement may or may not affect interest 
rates applicable to any other homogenous category of financial liabilities. 

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A homogeneous category is defined according to the currency in which financial liabilities are denominated and assumes the same interest rate movement 
within each homogeneous category (i.e., U.S. dollars).  As a result, our interest rate risk sensitivity model may overstate the effect of interest rate fluctuation 
on these financial instruments, as consistently unfavorable movements of all interest rates are unlikely.  

The  tables  below  provide  information about  our  interest  rate-sensitive  instruments.   For  variable  interest  rate  debt,  the rate  presented  is the  weighted 
average rate calculated as of December 31, 2019.  For the foreign currency denominated obligations, these amounts have been converted at the selling rates as 
of December 31, 2019 and do not represent amounts which may actually be payable with respect to such obligations on the dates indicated. 

Assets 
Cash equivalents denominated in reais  

Liabilities 
Long-term debt (current and noncurrent 

portion) 

Floating rate, denominated in reais indexed by 

TR or UPR  

Floating rate, denominated in reais indexed by 

TJLP  

Floating rate, denominated in reais indexed by 

IPCA  

Floating rate, denominated in reais indexed by 

CDI  

Fixed rate, denominated in reais  
Floating rate, denominated in U.S. dollars  
Fixed rate, denominated in Yen  
Fixed rate, denominated in U.S. dollars  
Total long-term debt  

2020 

2021 

2022 

2023 and after 

As of December 31, 2019 
Expected maturity date 

Average annual 
interest rate 
(in millions, except percentages) 

Total 

2,253.2 

-    

-    

-    

2,253.2    

134.8 

208.1 

387.8 

168.5 

78.7    
294.1    
173.8    
1,414.0    
2,859.8    

133.4 

180.7 

119.3 

274.9 

52.2    
225.6    
154.8    
-    
1,140.9    

138.2 

159.8 

119.3 

374.7 

32.2    
225.6    
154.8    
-    
1,204.6    

1,273.9 

833.8 

779.1 

1,063.8 

372.7    
2,092.7    
1,623.4    
-    
8,039.4    

1,680.3 

1,382.4 

1,405.5 

1,881.9 

535.8      
2,838.0    
2,106.8    
1,414.0    
13,244.7    

7.8% 

9.4% 

8.4% 

5.1% 

3.4% 
1.5% 
3.3% 
5.5% 

UPR stands for Standard Reference Unit (Unidade Padrão Referência) and is equal to TR, which  was 0.00% per month as of December 31, 2019; CDI 
stands for Interbank Deposit Rate (Certificado de Depósitos Interbancários), which was 4.40% per annum as of December 31, 2019; IGP-M was 7.30% 
per annum as of December 31, 2019; TJLP stands for Long-term Interest Rate (Taxa de Juros a Longo Prazo), published quarterly by the Central Bank, 
which was 5.57% per annum as of December 31, 2019. 

The percentage of our indebtedness subject to fixed and floating interest rate is as follows: 

Floating rate debt: 
Denominated in U.S. dollars  
Denominated in reais  
Fixed rate debt: 
Denominated in reais  
Denominated in Yen  
Denominated in U.S. dollars  
Total   

ITEM 12.         DESCRIPTION OF SECURITIES OTHER THAN EQUITY SECURITIES  

A.      Debt Securities 

2019 

19.0% 
48.0% 

4.0% 
16.0% 
13.0% 
100.0% 

As of December 31, 
2017 

2019 

22.2% 
45.0% 

4.3% 
15.5% 
13.0% 
100.0% 

23.3% 
48.5% 

4.6% 
14.1% 
9.5% 
100.0% 

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Not applicable. 

B.      Warrants and Rights 

Not applicable. 

C.      Other Securities 

Not applicable.  

D.      American Depositary Shares 

In the United States, our common shares trade in the form of ADS.  Following a ratio change effected on January 24, 2013, each ADS represents one 
common share of our company.  Following a stock split which took place on April 25, 2013, we issued two new ADSs for each ADS currently trading and 
distributed them to our holders on April 29, 2013. The ADSs are issued by The Bank of New York Mellon, as Depositary pursuant to a Deposit Agreement.  The 
ADSs commenced trading on the NYSE on May 10, 2002.  

Fees and Expenses  

The following table summarizes the fees and expenses payable by holders of ADRs: 

Persons depositing common shares or ADR holders must pay: 
US$5.00 (or less) per 100 ADSs (or portion of 100 ADSs) 

For: 
Issuance of ADSs, including issuances resulting from a distribution of common 
shares or rights or other property 

Cancellation of ADSs for the purpose of withdrawal, including if the deposit 
agreement terminates 
US$0.05 (or less) per ADS or portion thereof (to the extent not prohibited by the rules 
of any stock exchange on which the ADSs are listed for trading) 
A fee equivalent to the fee that would be payable if securities distributed to you had 
been common shares and the common shares had been deposited for issuance of ADSs 
US$0.05 (or less) per ADS or portion thereof per calendar year (in addition to the cash 
distribution fee of $0.02 per ADS that the depositary has collected during the year) 
Registration or transfer fees 

Cable, telex and facsimile transmissions expenses (when expressly provided in the 
deposit agreement) 
Expenses of the depositary in converting foreign currency to U.S. dollars 
Expenses of the depositary 
Taxes and other governmental charges the depositary or the custodian have to pay on 
any ADR or common share underlying an ADR, for example, stock transfer taxes, 
stamp duty or withholding taxes 
Any charges incurred by the depositary or its agents for servicing the deposited 
securities 

Payment of Taxes 

Any cash distribution to you 

Distribution of securities distributed to holders of deposited securities which are 
distributed by the depositary to ADR holders 
Depositary services 

Transfer and registration of common shares on our common share register to or 
from the name of the depositary or its agent when you deposit or withdraw 
common shares 

As necessary 

No charges of this type are currently made in the Brazilian market 

The depositary may deduct the amount of any taxes owed from any payments to you. It may also sell deposited securities, by public or private sale, to pay 
any taxes owed.  You will remain liable if the proceeds of the sale are not sufficient to pay the taxes.  If the depositary sells deposited securities, it will, if 
appropriate, reduce the number of ADSs to reflect the sale and pay to you any proceeds, or send to you any property, remaining after it has paid the taxes. 

Reimbursement of Fees 

The Bank of New York Mellon, as depositary, has agreed to reimburse us for expenses we incur that are related to establishment and maintenance expenses 
of the ADS program.  The depositary has agreed to reimburse us for our continuing annual stock exchange listing fees.  The depositary has also agreed to pay 
the standard out-of-pocket maintenance costs for the ADRs, which consist of the expenses of postage and envelopes for mailing annual and interim financial 
reports, printing and distributing dividend checks, electronic filing of United States federal tax information, mailing required tax forms, stationery, postage, 
facsimile, and telephone calls.  It has also agreed to reimburse us annually for certain investor relationship programs or special investor relations promotional 
activities.  In certain instances, the depositary has agreed to provide additional payments to us based on any applicable performance indicators relating to the 
ADR facility.  There are limits on the amount of expenses for which the depositary will reimburse us. The  amount of reimbursement available to us is tied to 
the amount of fees the depositary collects from investors.   

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The depositary collects its fees for delivery and surrender of ADSs directly from investors depositing shares or surrendering ADSs for the purpose of 
withdrawal or from intermediaries acting for them.  The depositary collects fees for making distributions to investors by deducting those fees from the amounts 
distributed or by selling a portion of distributable property to pay the fees.  The depositary may collect its annual fee for depositary services by deduction from 
cash distributions or by directly billing investors or by charging the book-entry system accounts of participants acting for them. The depositary may generally 
refuse to provide fee-attracting services until its fees for those services are paid. 

Reimbursement of Fees Incurred in 2019 

From January 1, 2019 to December 31, 2019, we received reimbursements in the amount of US$655,400 for standard out-of-pocket maintenance costs for 

the ADRs, any applicable performance indicators relating to the ADR facility, marketing fees and legal fees.   

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PART II 

ITEM 13.         DEFAULTS, DIVIDEND ARREARAGES AND DELINQUENCIES 

Not applicable.   

ITEM 14.         MATERIAL MODIFICATIONS TO THE RIGHTS OF SECURITY HOLDERS AND USE OF PROCEEDS 

Not applicable.   

ITEM 15.         CONTROLS AND PROCEDURES 

A. Disclosure Controls and Procedures 

We carried out an evaluation under the supervision of and with the participation of our management, including our Chief Executive Officer and Chief 
Financial Officer and Investor Relations Officer, of the effectiveness of the design and operation of our disclosure controls and procedures, including those 
defined in the United States Exchange Act Rule 13(a)-15(e), as of the year ended December 31, 2019. 

As a result of this analysis, our principal executive officer and principal financial officer concluded that (i) our disclosure controls and procedures were 
both designed and effective at the reasonable assurance level as of December 31, 2019; (ii) that the information required to be disclosed in our filings and 
submissions under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified by the SEC’s rules and forms; and 
(iii) that this information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer and Investor 
Relations Officer, as appropriate to allow timely decisions regarding required disclosure. 

B. Management’s Report on Internal Control over Financial Reporting 

Our management is responsible for establishing and maintaining adequate internal controls over financial reporting. 

Our internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the 

preparation of financial statements for external purposes in accordance with IFRS, as issued by the IASB.   

Our internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, 
accurately and fairly reflect the transactions and dispositions of our assets, (2) provide reasonable assurance that transactions are recorded as necessary to 
permit preparation of financial statements in accordance with IFRS, as issued by the IASB, and that our receipts and expenditures are being made only in 
accordance with authorizations of our management and directors, and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized 
acquisition, use, or disposition of our assets that could have a material effect on the financial statements. 

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation 
of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance 
with the policies or procedures may deteriorate. 

Under  the  supervision  and  with  the  participation  of  our  Chief  Executive  Officer  and  Chief  Financial  Officer  and  Investor  Relations  Officer,  our 
management conducted an assessment of our internal control over financial reporting as of December 31, 2019 based on the criteria established in “Internal 
Control - Integrated Framework” issued by COSO in 2013. 

As a result of the assessment described above, our management concluded that as of December 31, 2019, we maintained effective internal control over 

financial reporting based on the criteria established in “Internal Control — Integrated Framework” issued by COSO in 2013. 

Our independent registered public accounting firm has issued an attestation report on the effectiveness of our internal control over financial reporting. That 

report is included below. 

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C. Attestation Report of the Registered Public Accounting Firm 

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

To the Stockholders, Board of Directors and Management of Companhia de Saneamento Básico do Estado de São Paulo – SABESP, São Paulo – SP 

Opinion on Internal Control Over Financial Reporting  

We  have  audited  Companhia  de  Saneamento  Básico  do  Estado  de  São  Paulo  –  SABESP  (the  Company)  internal  control  over  financial  reporting  as  of 
December 31, 2019, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of 
the  Treadway  Commission.  In  our  opinion,  the  Company  maintained,  in  all  material  respects,  effective  internal  control  over  financial  reporting  as  of 
December 31, 2019, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of 
the Treadway Commission.   

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the financial position 
of the Company as of December 31, 2019 and 2018, the related the related statements of income, comprehensive income, changes in equity and cash flows for 
each of the years in the three-year period ended December 31, 2019, and the related notes(collectively, the financial statements), and our report dated April 30, 
2020 expressed an unqualified opinion on those  financial statements. 

Basis for Opinion  

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of 
internal control over financial reporting, included in the accompanying Financial Statments. Our responsibility is to express an opinion on the Company’s 
internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent 
with  respect  to  the  Company  in  accordance  with  the  U.S.  federal  securities  laws  and  the  applicable  rules  and  regulations  of  the  Securities  and  Exchange 
Commission and the PCAOB. 

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable 
assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit of internal control over financial 
reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and 
evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as 
we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion. 

Definition and Limitations of Internal Control Over Financial Reporting  

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting 
and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control 
over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly 
reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit 
preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being 
made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or 
timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements. 

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of 
effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance 
with the policies or procedures may deteriorate. 

/S/ KPMG Auditores Independentes 

São Paulo – Brazil 

April 30, 2020 

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D. Changes in internal control over financial reporting 

There have been improvements in our internal control over financial reporting as of December 31, 2019. Our management, under the supervision and with 
the participation of our Chief Executive Officer and Chief Financial Officer and Investor Relations Officer, has been actively engaged in the implementation 
of remediation efforts to address our material weakness as of December  31, 2018 and previously disclosed in our 2018 Annual Report on Form 20-F.  

Our management established major actions that have been implemented to remediate the material weakness related the service account (ERP system 

support) with privileged access. These actions included:  

•   Implementing  more  stringent  formalized  procedures  and  controls  to  ensure  that  privileged  access  occurs  only  on  an  exceptional  basis  and  for  the 

necessary time, subject to due justification and based on the authorization of two managers; 
•   Introducing review of the access logs of the relevant account by an independent professional; 

•   Promoting the periodic review of users with privileged access; and 

•   Establishing automated monitoring by the internal audit department to timely identify the accesses granted in exceptional situations. 

As a result of this work, we have concluded that the previous material weakness as disclosed in our 2018 Annual Report on Form 20-F has been remediated 

as of December 31, 2019. 

In addition, as from January 1, 2019, we adopted IFRS 16 (Leases) that required the implementation of new controls and the modification of certain 
accounting processes related to the recognition, measurement, presentation and disclosure of leases. The impact of these changes was not material in respect 
of our internal control over financial reporting. Our management identified no other changes in our internal control over financial reporting that occurred during 
our the fiscal year ended December 31, 2019 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. 

ITEM 16.   [Reserved] 

ITEM 16A.      AUDIT COMMITTEE FINANCIAL EXPERT  

At our board meeting held on June 26, 2006, we established an audit committee, as defined under section 3(a)(58) of the Exchange Act. Our board of 
directors has determined that Ernesto Rubens Gelbcke qualifies as an “audit committee financial expert” as defined for the purposes of this Item 16A in Item 16 
of Form 20-F.  Ernesto Rubens Gelbcke is an “independent director” within the meaning of the SEC rules. 

ITEM 16B.      CODE OF ETHICS 

We have adopted a code of ethics and conduct called the Code of Conduct and Integrity, which applies to all of our employees, including our directors, 
chief executive officer, chief financial officer and investor relations and head of accounting, as well as our suppliers and third-party contractors.  To ensure 
compliance  with  the  Code  of  Conduct  and  Integrity,  we  have  an  Ethics  Commission  and  an  internal  Whistle-Blower  Channel,  as  well  as  a  Corporate 
Accountability  Procedure  and  an  Ombudsman  Office  as  well  as  a  Customer  Service  that  receive  external  complaints.   The  internal  channel  can  receive 
anonymous whistle blowing.  The results of the investigations are forwarded to the Audit Committee.  Recurring cases are reported to the Ethics Commission, 
which urges the related departments to develop preventive actions.  In 2019, 174 events were reported to the Whistle-Blower Channel.  During 2019, 45 of our 
employees  or  outsourced  employees  received  penalties  (20  warnings,  two  suspension  and  23  dismissals).   Our  Ethics  Commission  is  also  responsible  for 
addressing relevant inquiries and interpreting the norms of the Code of Business Conduct and Ethics for all of our employees.  Our Code of Conduct and 
Integrity is available on our web site at http://www.sabesp.com.br at the following location: Investor Relations – Corporate Governance.  If we amend the 
provisions of our Code of Conduct and Integrity, or if we grant any waiver of such provisions, we will disclose the amendment or waiver on our web site at the 
same address.  You can obtain copies of our Code of Business Conduct and Ethics, without charge, upon request to sabesp.ri@sabesp.com.br. 

Federal Law No. 13,303/16, State Decree 62,349/16 and the new Novo Mercado rules require the adoption of a Code of Conduct that should include, 
among other provisions, guidelines to avoid conflicts of interests, forbiddance of fraudulent acts and corruption, whistleblowing channels, protective measures 
to avoid retaliation regarding whistleblowers, periodic training on the content of such code and sanctions in case of code violations. See “Item 16G—Corporate 
Governance—Required Changes to Corporate Governance Practices of Brazilian Government-Controlled Companies.”  We will disclose the amendment on 
our web site at the address listed above. 

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ITEM 16C.      PRINCIPAL ACCOUNTANT FEES AND SERVICES 

KPMG Auditores Independentes served as our independent registered public accounting firm for the year ended December 31, 2019.  

The following table presents the aggregate fees for professional services and other services rendered to us by KPMG Auditores Independentes in 2019 

and 2018:  

Audit Fees(1)  
Audit-Related Fees  
Tax Fees  
All Other Fees 
Total  

2019 

2.9 
- 
- 
- 
2.9 

Year ended December 31, 
2018 
(in millions of reais) 
2.8 
- 
- 
- 
2.8 

(1)     Audit Fees are the fees billed by our independent auditors for the audit of our annual financial statements, reviews of interim financial statements 

and attestation services that are provided in connection with statutory and regulatory filings or engagements. 

Pre-approval policies and procedures 

Pursuant  to  Brazilian  law,  our  board  of  directors  is  responsible,  among  other  matters,  for  the  selection,  dismissal  and  oversight  of  our  independent 
registered public accounting firm.  Our management is required to obtain the board of directors’ approval before engaging an independent registered public 
accounting firm to provide any audit or permitted non-audit services to us.  The Brazilian Federal and State Public Bidding Laws also apply to us with respect 
to obtaining services from third parties for our business, including the services provided by our independent registered public accounting firm.  As part of the 
bidding process, the independent registered public accounting firm is required to submit proposals, and is then selected by us based on certain criteria including 
technical expertise and cost. 

Except as disclosed above, KPMG Auditores Independentes did not provide any non-audit services to us. 

ITEM 16D.      EXEMPTIONS FROM THE LISTING STANDARDS FOR AUDIT COMMITTEES 

None. 

ITEM 16E.      PURCHASES OF EQUITY SECURITIES BY ISSUER AND AFFILIATED PURCHASERS 

Not applicable. 

ITEM 16F.       CHANGE IN REGISTRANT’S CERTIFYING ACCOUNTANT 

Not applicable. 

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ITEM 16G.      CORPORATE GOVERNANCE 

Required Changes to Corporate Governance Practices of Brazilian Government-Controlled Companies 

On June 30, 2016, Federal Law No. 13,303/16 came into force in Brazil.  This law sets new corporate governance standards for Brazilian government-
owned and mixed capital companies like our company, as well as their subsidiaries. Federal Law No. 13,303/16 also sets new rules that these companies must 
follow in public bidding procedures and when contracting third parties. 

In terms of corporate governance, Federal Law No. 13,303/16 requires significant changes to internal controls and strengthens the rights not only of our 
shareholders, but also of any interested party, to inspect the finances and running of the company.  It requires us to publish periodically a series of documents 
and reports to demonstrate our level of commitment to our business objectives, the financial impact of those commitments, and our policies and practices in 
terms of corporate governance and sustainability, among other things.  Those documents and reports must be accompanied by further explanations, in plain 
language, that can be understood by the general public. 

Among other requirements, this law sets out the following rules: 

•   At least 25% of the members of the Board of Directors must be independent, in accordance with the definition of director independence set by Brazilian 

law (or, for companies whose minority shareholders exercise multiple votes, at least one of the directors must be independent). 

•   All directors and officers must have the same term of office, which may not be longer than two years.  They may be re-elected up to a maximum of 

three times consecutively. 

•   The performance of the executive officers, directors and members of board committees must be subjected to yearly evaluation with respect to, at a 

minimum, the following matters: 

       a.       the lawfulness and effectiveness of their management performance; 

b.      their contribution to the company’s income for the year; and 

c.       their contribution to furthering the objectives in the company’s business plan and compliance with its long-term strategy.  

The federal law requires that all officers and directors of the company must satisfy certain technical standards, in addition to the general requirement that 
they be of good reputation and have knowledge of the business sector concerned.  These technical standards include satisfying both Point 1 and Point 2 below: 

1.       The individual must satisfy at least one of the requirements under (a), (b) or (c) of this Point 1: 

a.         a minimum of 10 years’ experience in an appointed position, in either the public or private sector, in a business area that is similar or related 

to the company’s business purpose; or 

b.        a minimum of four years’ exercise of any one of (i), (ii) or (iii) below: 

 i.   a senior management position in a company with a similar business purpose or similar size; or 

ii. 

a position in the public sector that involves a high degree of trust (i.e., at level DAS-4 or higher); or 

iii.  a position as professor or researcher in the company’s business sectors; or 

c.         a minimum of four years’ practice as an independent professional in one or more areas that are directly or indirectly related to the company’s 

business sectors; 

and: 

2.       The individual must satisfy the requirements of both (a) and (b) of this Point 2: 

a.        the individual must have received sufficient training for the position for which she or he has been nominated; and 

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b.       the individual must not have been declared ineligible for such position in accordance with applicable law. 

In order to comply with this law, we have implemented certain changes in our corporate governance structure and governing documents, such as our 

bylaws, Board of Director’s Internal Charter, Executive Board’s Internal Charter and Fiscal Council’s Internal Charter.  

Additionally,  we  have  certain  corporate  policies,  such  as  the  Nominating  Policy for  the  appointment and assessment  of  directors,  officers  and  Fiscal 

Council members, as well as the Policy for Compensation of directors, officers, as well as members of the Fiscal Council and statutory committees. 

These policies also aim to comply with the Novo Mercado Regulation and the State Decree No. 62,349/2016. 

For a description of new corporate governance obligations imposed by Brazilian law on companies listed on the Novo Mercado segment, see “Item 9.C. 

Markets—Trading on the Brazilian Stock Exchange—The Novo Mercado Segment.” 

Significant Differences between our Current Corporate Governance Practices and NYSE Corporate Governance Standards 

We are subject to the NYSE corporate governance listing standards.  As a foreign private issuer, the standards applicable to us are considerably different 
than the standards applied to U.S. listed companies.  Under the NYSE rules, we are required only to: (a) have an audit committee or audit board, pursuant to 
an applicable exemption available to foreign private issuers, that meets certain requirements, as discussed below, (b) provide prompt certification by our chief 
executive officer of any material non-compliance with any corporate governance rules, and (c) provide a brief description of the significant differences between 
our corporate governance practices and the NYSE corporate governance practice required to be followed by U.S. listed companies. 

In view of Brazilian Law 13.303/16 and new requirements of Novo Mercado Listing Regulations, the following discussion summarizes the significant 

differences between our current corporate governance practices and those required of U.S. listed companies: 

Majority of Independent Directors 

The NYSE rules require that a majority of the board must consist of independent directors. Independence is defined by various criteria, including the 
absence  of  a  material  relationship  between  the  director  and  the  listed  company. While  the  Brazilian  Corporate  Law  did  not  previously  have  a  similar 
requirement, Federal Law No. 13,303/16 established that at least 25% of the members of the board of directors must be independent.  Under the Novo Mercado 
Regulations, our board of directors must evaluate the independence of directors before their election to the board. Such evaluation shall be based on a declaration 
prepared by the nominee.  Additionally, Brazilian Corporate Law, Federal Law No. 13,303/16 and the CVM have established rules that require directors to 
meet certain qualification requirements applicable to a company’s directors.  However, they do not require that we have a majority of independent directors, 
as required under the NYSE rules.  Under our current bylaws, approved on April 27, 2018, our board of directors must have a minimum of seven members, 
and 25% of the board must be independent, as established by Federal Law No. 13,303/16 and as defined under Novo Mercado Regulations.  Currently, six of 
our nine directors are independent, pursuant to the Novo Mercado Listing Regulations and Federal Law No. 13,303/16.  We believe these rules provide adequate 
assurances that our directors are independent.   

Executive Sessions 

NYSE rules require that the non-management directors must meet at regularly scheduled executive sessions without management present.  The Brazilian 
Corporate  Law  does  not  have  a  similar  provision.   According  to  this  Law,  up  to  one-third  of  the  members  of  the  board  of  directors  can  be  elected  from 
management.  Our bylaws provide that the CEO shall integrate the Board of Directors, while holding such position. All other members of our board of directors 
meet the NYSE’s definition of “non-management” directors.  There is no requirement in the Brazilian Corporate Law that non-management directors meet 
regularly without management. However, the Internal Charter of the Board of Directors establishes that, by resolution of the Chairman of the Board, meetings 
may be held exclusively for external directors, without the presence of executives. Our board of directors consists of seven non-management directors. 

Fiscal Council 

Under the Brazilian Corporate Law, the Conselho Fiscal, or fiscal council, is a corporate body independent of management and a company’s external 
auditors.  The fiscal council may be either permanent or non-permanent, in which case it is appointed by the shareholders to act during a specific fiscal year.  A 
fiscal council is not equivalent to, or comparable with, a U.S. audit committee.  The primary responsibility of the fiscal council is to review management’s 
activities and a company’s financial statements, and to report its findings to the company’s shareholders.  The Brazilian Corporate Law requires fiscal council 
members to receive as compensation at least 10% of the average annual amount paid to a company’s executive officers.  The Brazilian Corporate Law requires 
a fiscal council to be composed of a minimum of three and a maximum of five sitting members and respective alternates. 

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Under the Brazilian Corporate Law, the fiscal council may not contain members that (i) are on our board of directors, (ii) are on the board of executive 

officers, (iii) are employed by us or a controlled company, or (iv) are spouses or relatives of any member of our management, up to the third degree.  

Currently, our fiscal council consists of four sitting members and his/her alternates. The fiscal council members generally meet once a month. 

Audit Committee 

NYSE rules require that listed companies have an audit committee that (i) is composed of a minimum of three independent directors who are all financially 
literate, (ii) meets the SEC rules regarding audit committees for listed companies, (iii) has at least one member who has accounting or financial management 
expertise and (iv) is governed by a written charter addressing the committee’s required purpose and detailing its required responsibilities.  However, as a foreign 
private issuer, we need only to comply with the requirement that the audit committee meet the SEC rules regarding audit committees for listed companies to 
the extent compatible with Brazilian Corporate Law and Federal Law No. 13,303/16 (the Brazilian State-owned Companies Law).  Our audit committee, which 
is not equivalent to, or comparable with, a U.S. audit committee, provides assistance to our board of directors on matters involving accounting, internal controls, 
financial reporting and compliance.  The audit committee is mainly responsible for assisting and advising the board of directors in its responsibilities to ensure 
the quality, transparency and integrity of our published financial information and financial statements.  The audit committee is also responsible for supervising 
all matters relating to the Code of Business Conduct and Ethics, accounting, internal controls, the internal and independent audit functions, compliance, risk 
management and internal policies, such as the related parties transaction policy. The audit committee comprises three members appointed by the board of 
directors, and, pursuant to our bylaws, the members of our audit committee may be appointed simultaneously to their election to the board of directors or by a 
subsequent resolution. The members of the audit committee shall perform their duties for the duration of their respective terms as board members or until 
otherwise decided by the shareholders’ meeting or by the board of directors. In the event that an audit committee member resigns or is removed from office 
after exercising any portion of his or her term, such member may only rejoin the audit committee at least three years from the end of his or her term. The current 
members of our audit committee are Ernesto Rubens Gelbcke, Lucas Navarro Prado and Luís Eduardo Alves de Assis. All members meet the independent 
membership requirements of the SEC and NYSE as well as other NYSE requirements. Ernesto Rubens Gelbcke is the committee’s “financial expert” within 
the scope of the SEC rules covering the disclosure of financial experts on audit committees in periodic filings pursuant to the U.S. Securities Exchange Act of 
1934.   

Nomination/Corporate Governance and Compensation Committees 

NYSE  rules  require  that  listed  companies  have  a  nomination/corporate  governance  committee  and  a  compensation  committee  composed  entirely  of 
independent directors and governed by a written charter addressing the committee’s required purpose and detailing its required responsibilities.  Required 
responsibilities for the nomination/corporate governance committee include, among other things, identifying and selecting qualified board member nominees 
and developing a set of corporate governance principles applicable to the company.  Required responsibilities for the compensation committee include, among 
other things, reviewing corporate goals relevant to the chief executive officer’s compensation, evaluating the chief executive officer’s performance, approving 
the  chief  executive  officer’s  compensation  levels  and  recommending  to  the  board  non-chief  executive  officer  compensation,  incentive-compensation  and 
equity-based plans. 

Under the Brazilian Corporate Law, we are not required to have a nomination/corporate governance committee or compensation committee.  However, 
Federal Law No. 13,303/16 and State Decree No. 62,349/16 established the requirement of a committee with the responsibilities of verifying the nomination 
process of the members of the management and of the fiscal council. In our annual shareholders’ meeting, held on April 27, 2018, our bylaws were amended 
in order to, among other things, create the Eligibility and Advisory Committee in compliance with Federal Law No. 13,303/16 and State Decree No. 62,349/16. 

This committee must be composed of up to three members, elected by a general shareholders’ meeting, without a fixed term of office. Members must 
have at least three years’ professional experience in public administration, or three years’ experience in the private sector in an area in which, or related to 
which, we operate. 

Candidates are assessed based on the CODEC Resolution No. 03/2018 and on our nomination policy, approved by the Board of Directors, which follows 

the guidelines defined by Federal Law No. 13,303/16, State Decree No. 62,349/16 and Novo Mercado Listing Regulations. 

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Members of the Eligibility and Advisory Committee may attend board of directors’ meetings where matters related to this committee are discussed and 

will have the right to speak, but not to vote, in accordance with our bylaws. 

This committee is also responsible for verifying the compliance of the evaluation process of the members of the management and of the fiscal council, as 
well as providing methodological and procedural support to the board of directors to evaluate the performance of officers and other members of statutory 
committees. 

The performance evaluation, individual and collective, held annually, of the members of the management and the members of committees, observing the 

following minimum requirements, according to the terms of Federal Law No. 13,303/16: 

(a)  presentation of the acts of management, regarding the lawfulness and effectiveness of the management; 
(b)  contribution to the earnings for the year; and 
(c)  achievement of the purposes established in the business plan and fulfillment of the long-term strategy. 

We expect that a written charter addressing the committee’s purpose and detailing its required responsibilities will be approved by the board of directors. 

Under the Brazilian Corporate Law, the total amount available for compensation of our directors and executive officers and for profit-sharing payments 
to our executive officers is established by our shareholders at the annual general meeting.  The individual compensation and profit-sharing of each executive 
officer, as well as the compensation of our board and committee members is set out according to our remuneration policy, approved by the Board of Directors, 
which follows the guidelines from the São Paulo State Government and the CODEC (State Capital Protection Board). 

Shareholder Approval of Equity Compensation Plans 

NYSE  rules  require  that  shareholders  be  given  the  opportunity  to  vote  on  all  equity  compensation  plans  and  material  revisions  thereto,  with  limited 
exceptions.  We do not currently have any equity compensation plan.  If such a plan were to be implemented, there is no requirement under Brazilian Corporate 
Law for the plan to be approved by our shareholders.  However, if the issuance of new shares in connection with any equity compensation plan exceeded the 
authorized capital under our bylaws, the increase in capital would require shareholder approval. 

Corporate Governance Guidelines 

NYSE rules require that listed companies adopt and disclose corporate governance guidelines.  We are in compliance with the adoption of corporate 
governance provisions and guidelines required under the Novo Mercado Regulations, Federal Law No. 13,303/16 and State Decree 62,349/16. See “Item 9.C 
Markets—Trading on the Brazilian Stock Exchange—The Novo Mercado Segment” and “Item 16.G—Corporate Governance—Required Changes to Corporate 
Governance Practices of Brazilian Government-Controlled Companies,” our Report on Brazilian Code of Corporate Governance and our policies available on 
“Corporate Governance” section of our Investor Relations website.  We believe that such corporate governance guidelines applicable to us do not conflict with 
the guidelines established by the NYSE.  Our corporate governance guidelines and practices are available on our website at www.sabesp.com.br at the following 
location: Investor Relations – Corporate Governance.   

Code of Business Conduct and Ethics 

NYSE rules require that listed companies adopt and disclose a code of business conduct and ethics for directors, officers and employees, and promptly 
disclose any waivers of the code for directors or executive officers.  The adoption and disclosure of a formal code is not required under the Brazilian Corporate 
Law.  

However, Federal Law No. 13,303/16, State Decree 62,349/16 and the Novo Mercado Regulations require the adoption of a Code of Conduct and Integrity 
that should include, among other provisions, guidelines to avoid conflicts of interests, forbiddance of fraudulent acts and corruption, whistleblowing channels, 
protective measures to avoid retaliation regarding whistleblowers, periodic training on the content of such code and sanctions in case of code violations. We 
adopt  and  disclose  a  Code  of  Business  Conduct and Ethics  which  complies  with  the  requirements  made  by the Brazilian  laws  and  regulations, as  well as 
addresses the matters required to be addressed by the applicable NYSE and SEC rules. 

We have had a Code of Business Conduct and Ethics since 2006, and the latest version was approved by the Board of Directors in June 2018. It is available 
on  www.sabesp.com.br/investidores,  section  “Governança  Corporativa”  Corporate  Governance),  and  on  the  Brazilian  Securities  Commission 
(www.cvm.com.br). 

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The  Code  of  Conduct  and  Integrity  is  introduced  to  Company’s  Officers,  Board  of  Directors,  Board  of  Auditors,  Audit  Committee,  Eligibility  and 

Counselling Committee and to all the other employees during the integration program which is tailored to their positions. 

Moreover, we require our suppliers and other related third-party to comply with our Code of Business Conduct and Ethics as well and the non-compliance 

acts are subjected to sanctions under the contract and other measures according to applicable laws and regulations. 

Any breach of the Code of Conduct and Integrity is subject to internal investigations and disciplinaries measures applicable on a case-by-case basis. 

The Code of Conduct and Integrity is frequently updated in order to comply with new laws and regulations. 

Internal Audit Function 

NYSE rules require that listed companies maintain an internal audit function to provide management and the audit committee with ongoing assessments 
of the company’s risk management processes and system of internal control. Our internal audit department is connected to the Board of Directors through the 
audit  committee  and  reports  to  our  Chief  Executive  Officer.  Our  internal  audit  is  responsible  for  evaluating  (i)  the  adequacy  of  internal  controls,  (ii)  the 
effectiveness of the risk management and of the governance processes, (iii) the reliability of the process of collecting, measuring, classifying, accumulating, 
recording and disclosing events and transactions, to prepare financial statements, and (iv) the proper application of the principle of segregation of duties, to 
avoid the occurrence of conflicts of interest and fraud. 

Anticorruption Compliance 

Law No. 12,846, of August 1, 2013 (the “Anticorruption Law” or the “Clean Company Act”), as further regulated by Decree No. 8,420/2015, introduced 
to the Brazilian legal system the concept of strict liability for legal entities involved in harmful acts against the national and foreign public administration, as 
defined in the Anticorruption Law, subjecting the violation company to penalties both in administrative and civil law.  Similar to the Foreign Corrupt Practices 
Act of the United States, to which we are also subject, the Anticorruption Law considers that an effective implementation of Compliance Programs may be 
used to mitigate the administrative penalties to be applied as a consequence of a harmful act against the public administration, which can be up to 20% of the 
company’s annual gross revenue. 

We have a Compliance Program which was approved by the Board of Directors and is updated periodically. The last update was in December 2018. The 
program was established in accordance with the Brazilian Anticorruption Law, Foreign Corrupt Practices Act, Federal Law No. 13,303/16, the Novo Mercado 
Regulations, and Brazilian Office of the Comptroller General’s (CGU) guidelines. 

As a semi-public company, our Compliance Program encompasses two distinct situations – active corruption and passive corruption, as established in 
Brazilian anti-corruption legislation – and follows the recommendations of the Organization for Economic Cooperation and Development, the United Nations 
Office  on  Drugs  and  Crimes,  and  the  World  Bank  to  establish  an  ethical  culture.  Our  program  incorporates  and  focuses  on  high  management,  structural 
functioning,  the  provision  of  complaint  hotlines,  monitoring  of  third-party  relations,  governance  and  internal  controls,  risk  management,  training  and 
communication. 

 The program currently consists of a set of internal mechanisms and procedures related to integrity, monitoring and incentives to report irregularities. The 
program also focuses on the effective implementation of the Code of Business Conduct and Ethics as well as other policies and guidelines aimed at preventing 
fraud, corruption and other harmful acts against public administration. 

As part of the program, we created the Conduct and Integrity Learning Track (Trilha de Aprendizagem de Conduta e Integridade) which consists of a 
continuous training program directed to the entire company staff, reinforcing the importance of acting in accordance with laws, regulations and internal policies. 
The main topics covered are: integrity, ethics, sexual and moral harassment, diversity, corruption, fraud and conflicts of interest. 

In 2019 we also conducted on-site training on Prevention and Fight Against Fraud and Corruption based on national and international laws to disseminate 
best practices and adopt a culture of integrity for our employees and officers and those responsible for the compliance areas of our special purpose companies. 
We also train our directors, officers and members of the Fiscal Council on issues related to corporate governance and integrity and carry out specific training 
for employees who work in the process of investigating complaints. 

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Additionally, this year we carried out the “Ethics Visits” Project throughout our business units, which held more than one hundred workshops with our 

employees, throughout 30 municipalities where we provide water and sewage services. 

In 2019, we also started a new cycle of mapping and analyzing risks, mainly on fraud and corruption, as well as the necessary measures to mitigate them. 
We are evaluating 14 critical macroprocesses, through interviews with managers and executives, to identify their perception of the risks of fraud and corruption 
related to strategic guidelines. 

Further, we provide the Trust Channel, which is a tool made available to employees make inquiries on any questions related to the ethical behavior within 

our business. We ensure confidentiality and anonymity to whoever uses this tool. 

We also provide complaint hotlines to report cases of fraud, corruption, unlawful acts, breaches of the Code of Business Conduct and Integrity and other 
activities that could harm our interests and principles. This information is available and is easily accessible and identifiable on our website. Anonymity is 
guaranteed in all cases, except when there is a court decision to the contrary. 

For related-party transactions, establishment of special purpose vehicles or when required, background checks are adopted in order to detect information 
relating  to  history  and  reputation,  relationships  with  public  agencies  or  agents,  company  corporate  structure  and  restrictive  lists,  including  corruption 
proceedings and investigations, to ensure that the terms and conditions of the transaction do not result in a material risk of violation of applicable anti-corruption 
laws. 

Among  the  compliance  practices,  we  encourage  the  adoption  of  integrity  measures  among  our  suppliers  by  providing  contractual  clauses  to  ensure 

compliance with ethical standards and the prohibition of fraud and corruption practices, in addition to monitoring related party transactions. 

Our department responsible for the application and improvement of the Compliance Program acts with autonomy, independence and impartiality and 
reports to the CEO. Depending on the individuals involved in the allegations, the department may file a report to Board of Directors, Fiscal Committee and 
Audit Committee, to which it also makes periodical reports on its activities. 

As a result of our efforts, we did not register any corruption cases in 2019. 

Citizens’ Access to Information at Sabesp 

Federal Law No. 12,527/2011 (LAI), regulated by State Decree No. 58.052/2012 and State Decree No. 61.559/2015 determines that government entities 
must create Citizen Information Services – SIC units which receive and manage information requests from the public, and make available to citizens information 
requested or otherwise provided the reasons for denial of such information requests.  

In order to comply with LAI, we implemented the Citizen Information Service – SIC, structuring the internal flow of information to serve citizens within 
the terms provided by this law. We also made a Transparency Portal (Portal da Transparência) available on our website, which includes basic information 
required by law, software for citizens to request information and a list of frequently requested information, according to the standards of the São Paulo State 
Government.  

These duties are linked to the Risk Management area whose main assumption is the transparency, quality of information and compliance with strategic 

rules of a listed company. 

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ITEM 16H.      MINE SAFETY DISCLOSURE 

Not applicable.   

Part III   

ITEM 17.         FINANCIAL STATEMENTS 

Not applicable. 

ITEM 18.         FINANCIAL STATEMENTS 

The  following  financial  statements,  together  with  the  reports  of  the  independent  registered  public  accounting  firms,  are  filed  as  part  of  this  annual 

report.  See “Index to Financial Statements.”   

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ITEM 19.         EXHIBITS 

Item 

1.1* 
2.1 

4.1* 

4.2* 

4.3* 

4.4* 

4.5* 

4.6* 

4.7* 

4.8* 

4.9* 

4.10* 

4.11* 

4.12* 

4.14* 

4.15* 

4.16* 

4.17* 

4.18* 

4.19* 

11.1* 

12.1  

12.2  

13.1  

13.2  

101.INS 

Description 

Bylaws of the Registrant (English translation) (incorporated by reference to the Form 6-K filed on December 9, 2019).  
Description of Securities registered under Section 12 of the Exchange Act. 

Agreement between the Registrant and the State Department of Water and Energy (Departamento de Águas e Energia Elétrica—DAEE), dated April 24, 1997 (English 
translation) (incorporated by reference to Exhibit 10.1 to the Registrant’s Registration Statement on Form F-1 filed on April 8, 2002 (the “April 8, 2002 Form F-1”). 

Protocol of Understanding between the Registrant and the State of São Paulo, dated September 30, 1997 (English translation) (incorporated by reference to Exhibit 10.2 
to the April 8, 2002 Form F-1). 

Agreement  between  the  Registrant  and  the  State  of  São  Paulo,  through  the  Secretariat  of  Finance,  dated  September 10,  2001  (English  translation)  (incorporated  by 
reference to Exhibit 10.3 to the April 8, 2002 Form F-1). 

Agreement between the Registrant and the State of São Paulo, through the Secretariat of the Treasury, dated December 11, 2001 (English translation) (incorporated by 
reference to Exhibit 10.4 to the April 8, 2002 Form F-1). 

Amendment to the Agreement, dated April 24, 1997, between the Registrant and the DAEE, dated March 16, 2000 (English translation) (incorporated by reference to 
Exhibit 10.5 to the April 8, 2002 Form F-1). 

Amendment to the Agreement, dated April 24, 1997, between the Registrant and the DAEE, dated November 21, 2001 (English translation) (incorporated by reference to 
Exhibit 10.6 to the April 8, 2002 Form F-1). 

First  Amendment  to  the  Agreement,  dated  December 11,  2001,  between  the  Registrant  and  the  State  of  São  Paulo,  dated  March 22,  2004.  (English  translation) 
(incorporated by reference to Exhibit 4.7 to the Form 20-F filed on June 28, 2004). 

Second Amendment to the Agreement, dated December 11, 2001, between the Registrant and the State of São Paulo, dated December 28, 2007. (English translation) 
(incorporated by reference to the Form 6-K filed on February 25, 2008). 

Third  Amendment  to  the  Agreement,  dated  December 11,  2001,  between  the Registrant and  the  State  of  São  Paulo,  dated  November 17,  2008.  (English  translation) 
(incorporated by reference to the Form 6-K filed on December 23, 2008). 

Commitment Agreement, between the Registrant and the State of São Paulo, dated March 26, 2008. (English translation) (incorporated by reference to the Form 6-K filed 
on April 28, 2008). 

Agreement  Executed  between  the  Registrant and  the  São Paulo  City  Government,  dated  November 14,  2007  (English  Translation)  (incorporated  by  reference  to  the 
Form 6-K filed on March 12, 2008). 

Amendment to the Agreement  Executed  between the  Registrant  and the  São Paulo  City government, dated  February 10,  2008  (English  translation)  (incorporated by 
reference to the Form 6-K filed on May 12, 2008). 

The Audit Committee Charter dated September 20, 2018 (English translation) (incorporated by reference to the Form 6-K filed on November 30, 2018). 

Convention between the State and the city of São Paulo, dated June 23, 2010, with the intermediation and consent of the Registrant and of ARSESP (English translation) 
(incorporated by reference to the Form 6-K filed on July 13, 2010). 

Contract  to  provide  public  water  supply  and  sewage  services,  among  the  Registrant,  the  State  and  the  city  of  São  Paulo,  dated  June 23,  2010  (English  translation) 
(incorporated by reference to the Form 6-K filed on July 13, 2010). 

Term of Agreement between the Registrant, the State of São Paulo and the DAEE, dated March 18, 2015 (English translation) (incorporated by reference to the Form 6-K 
filed on April 15, 2015). 

Notice of Transactions with Related Parties, dated November 9, 2016, (English translation) (incorporated by reference to the Form 6-K filed on November 16, 2016). 

First  Amendment  to  the  Private  Instrument  of  Settlement  and  Other  Covenants  between  the  Registrant  and  EMAE,  dated  October  19,  2017  (English  translation) 
(incorporated by reference to the Form 6-K filed on November 9, 2017). 

Code of Conduct and Integrity dated July 27, 2018 (English translation) (incorporated by reference to the Form 6-K filed on August 10, 2018). 

Certification of Benedito Pinto Ferreira Braga Junior, Chief Executive Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.  

Certification of Rui de Britto Álvares Affonso, Chief Financial Officer and Investor Relations Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.  

Certification of Benedito Pinto Ferreira Braga Junior, Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-
Oxley Act of 2002.  
Certification of Rui de Britto Álvares Affonso, Chief Financial Officer and Investor Relations Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to 
Section 906 of the Sarbanes-Oxley Act of 2002.  
XBRL Instance Document 

101.SCH 

XBRL Taxonomy Extension Schema Document 

101.CAL 

XBRL Taxonomy Extension Calculation Linkbase Document 

101.DEF 

XBRL Taxonomy Extension Definition Linkbase Document 

101.LAB 

XBRL Taxonomy Extension Label Linkbase Document 

101.PRE 

XBRL Taxonomy Extension Presentation Linkbase Document 

(*) Previously filed. 

145 

 
  
   
 
 
 
  
SIGNATURES 

The registrant hereby certifies that it meets all of the requirements for filing on Form 20-F and that it has duly caused and authorized the 

undersigned to sign this annual report on its behalf. 

COMPANHIA DE SANEAMENTO BÁSICO DO ESTADO DE SÃO PAULO - SABESP 

By:         /s/ Benedito Pinto Ferreira Braga Junior            
Name:      Benedito Pinto Ferreira Braga Junior 
Title:        Chief Executive Officer 

By:         /s/ Rui de Britto Álvares Affonso                        
Name:      Rui de Britto Álvares Affonso 
Title:        Chief Financial Officer and Investor Relations Officer 

Date: April 30, 2020 

146 

 
   
   
  
Companhia de Saneamento Básico do Estado de São Paulo 
- SABESP 

Financial Statements as at December 31, 2019 and 2018 
And for the years ended 
December 31, 2019, 2018 and 2017 

F-1 

 
  
   
  
  
  
  
  
 
 
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM  

To the Shareholders, Board of Directors and Management of  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 
São Paulo - SP 

Opinion on the Financial Statements 

We have audited the accompanying statements of financial position of Companhia de Saneamento Básico do Estado de 
São  Paulo  –  SABESP  (the  Company)  as  of  December 31,  2019  and  2018,  the  related  statements  of  income, 
comprehensive  income,  changes  in  equity  and  cash  flows  for  each  of  the  years  in  the  three-year  period  ended 
December 31, 2019, and the related notes (collectively, the financial statements). In our opinion, the financial statements 
present fairly, in all material respects, the financial position of the Company as of December 31, 2019 and 2018, and 
the results of its operations and its cash flows for each of the years in the three-year period ended December 31, 2019, 
in  conformity  with  International  Financial  Reporting  Standards  (IFRS)  as  issued  by  the  International  Accouting 
Standards Board (IASB). 

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United 
States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2019, based on criteria 
established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations 
of the Treadway Commission, and our report dated April 30, 2020 expressed an unqualified opinion on the effectiveness 
of the Company’s internal control over financial reporting. 

Basis for Opinion 

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an 
opinion on these financial statements based on our audits. We are a public accounting firm registered with the PCAOB 
and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and 
the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB. 

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and 
perform  the  audit  to  obtain  reasonable  assurance  about  whether  the  financial  statements  are  free  of  material 
misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material 
misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those 
risks.  Such  procedures  included  examining,  on  a  test  basis,  evidence  regarding  the  amounts  and  disclosures  in  the 
financial statements. Our audits also included evaluating the accounting principles used and significant estimates made 
by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits 
provide a reasonable basis for our opinion. 

Critical Audit Matters 

The  critical  audit  matters  communicated  below  are  matters  arising  from  the  current  period  audit  of  the  financial 
statements  that  were  communicated  or  required  to  be  communicated  to  the  audit  committee  and  that:  (1)  relate  to 
accounts  or  disclosures  that  are  material  to  the  financial  statements  and  (2)  involved  our  especially  challenging, 
subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion 
on  the  financial  statements,  taken  as  a  whole,  and  we  are  not,  by  communicating  the  critical  audit  matters  below, 
providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate. 

F-2 

 
  
  
  
  
  
  
Assessment of the fair value of the concession agreement with the municipality of Santo André 

As discussed in notes 5.4, 9 (a) and 14 to the financial statements, on July 31, 2019, the Company, São Paulo State and 
the city of Santo André entered into a concession agreement which granted the Company the right to provide sanitation 
services in the Municipality of Santo André for a period of 40 years. In exchange, the Company gave up its rights to 
certain  receivables  from  Santo  André  Municipal  Water  and  Sanitation  Service  (SEMASA).  As  a  result  of  this 
transaction,  SABESP  recognized  R$  1,337  million  of  revenue  in  the  year  ended  December  31,  2019  based  on  the 
Company’s estimate of the fair value of the concession agreement. The fair value was estimated by the Company using 
a discounted cash flow methodology which required a number of unobservable inputs. 

We identified the assessment of the fair value of the concession agreement with the municipality of Santo André as a 
critical audit matter. This was due to the high degree of auditor judgment, subjectivity, and effort required to perform 
the procedures to evaluate management’s fair value calculation and its significant unobservable inputs. These included 
the future revenues, as well as the underlying assumptions related to tariffs and volumes of water and sewage based on 
SEMASA’s  average  consumption  history,  and   estimates  of  future  operational  costs  based  on  historical  trends  and 
experience and the determination of the discount rate to be used. 

The primary procedures we performed to address this critical audit matter included the following. We tested certain 
internal controls related to the process for developing the fair value estimates of the concession agreement, including 
controls related to the determination and approval of the future revenues, estimates of future operational costs and the 
discount rate. We involved valuation professionals with specialized skills and knowledge who assisted in: 

(i) testing  the  Company’s  process  to  develop  the  fair  value  estimate,  including  evaluating  whether  the  data, inputs, 
discount rate and assumptions are relevant and reliable and whether the models and methodologies used are appropriate; 

(ii) evaluating management’s discount rate used by comparing it to an independently developed discount rate; 

(iii) evaluating the Company’s assumptions related to the: (a) future revenue growth rates, including the underlying 
assumptions related to tariffs and volumes of water and sewage based on SEMASA’s average consumption history; and 
(b) estimates of future operational costs based on historical trends and experience, by comparing them to information 
from internal and external sources, as available; and 

(iv)  developing  an  estimate  of  the  fair  value  using  the  Company´s  future  revenues  and  operational  costs  and  the 
independently developed discount rate, and comparing this to the Company’s fair value estimate. 

Evaluation of provisions and disclosures for environmental lawsuits 

As discussed in notes 3.15, 6 (e) and 19 to the financial statements, the Company is involved in environmental lawsuits 
related to fines imposed by public bodies and other such authorities for alleged environmental damages caused by the 
Company. The Company, with the support and evaluation of its internal and external legal advisors, determines the 
likelihood of loss and, where possible, estimates the amount of any eventual outflow of resources, for each lawsuit. The 
Company records a provision when it is probable that an outflow of resources will be required and when the outflow 
can  be  reasonably  estimated.  The  Company  discloses  a  contingency  whenever  the  likelihood  of  loss  is  considered 
possible, or when the likelihood of loss is considered probable but it is not possible to reasonably estimate the amount 
of the outflow. 

We identified the evaluation of provisions and disclosures for environmental lawsuits as a critical audit matter because 
it required challenging auditor judgment and effort due to the subjective nature of the judgments about the likelihood 
of loss of the environmental lawsuits and the estimates of the amounts that would be paid in the event of loss. 

F-3 

 
The primary procedures we performed to address this critical audit matter included the following. We tested certain 
internal  controls  over  the  Company’s  environmental  lawsuit  process,  including  controls  related  to  the  review  and 
approval of the determination of the likelihood of loss and the estimate of the loss amount, as well as controls over the 
financial statement disclosures. We obtained and evaluated letters from the Company’s legal advisors in relation to the 
lawsuits including their assessment of the likelihood of loss and estimates of eventual payments in the event of loss. 
We  compared  these  assessments  and  estimates  to  those  used  by  the  Company  and  evaluated  the  sufficiency  of  the 
Company’s  provisions  and  disclosures  as  they  related  to  environmental  lawsuits.  We  involved  professionals  with 
specialized  skills  and  knowledge  to  assist  in  evaluating  the  assumptions  used  by  the  Company  in  determining  the 
likelihood of loss for a sample of environmental lawsuits, by considering the merits of the lawsuits, judgments in similar 
cases, the current status of the lawsuits and other available public information. 

We have served as the Company’s auditor since 2016. 

/S/ KPMG Auditores Independentes 

São 
April 30, 2020 

Paulo 

– 

Brazil 

F-4 

 
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Statement of Financial Position as of December 31, 2019 and 2018 
Amounts in thousands of reais 

Assets 
Current assets 
   Cash and cash equivalents 
   Trade receivables 
   Accounts receivable from related parties 
   Inventories 
   Restricted cash 
   Recoverable taxes 
   Other receivables 
Total current assets 

Noncurrent assets  
   Trade receivables 
   Accounts receivable from related parties 
   Escrow deposits 
   Water National Agency – ANA 
   Other receivables 

   Investments 
   Investment properties 
   Contract assets 
   Intangible assets 
   Property, plant and equipment 

Total noncurrent assets 
Total assets 
The accompanying notes are an integral part of these financial statements. 

December 31, 2019 

December 31, 2018  

2,253,210 
2,137,752 
192,906 
70,454 
26,018 
141,266 
74,532 
4,896,138 

215,275 
657,990 
177,982 
32,466 
119,646 

53,187 
47,562 
7,617,714 
32,325,447 
314,393 

41,561,662 
46,457,800 

3,029,191 
1,843,333 
174,148 
65,596 
31,900 
380,703 
77,371 
5,602,242 

209,083 
669,102 
152,018 
49,136 
103,310 

44,587 
47,620 
7,407,948 
29,012,460 
267,612 

37,962,876 
43,565,118 

Note 

7 
9 (a) 
10 (a) 

8 
17 (a) 

9 (a) 
10 (a) 

11 
12 
13 
14 
15 

F-5 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
  
  
  
                                                                                                                                                                                                                                              
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Statement of Financial Position as of December 31, 2019 and 2018 
Amounts in thousands of reais 

Liabilities and equity 
Current liabilities 
   Trade payables and contractors  
   Borrowings and financing 
   Accrued payroll and related taxes 
   Taxes and contributions  
   Interest on capital  
   Provisions 
   Services payable 
   Public-Private Partnership - PPP 
   Program Contract Commitments 
   Other liabilities 
Total current liabilities 

Noncurrent liabilities 
   Borrowings and financing 

Deferred income tax and social contribution 

   Deferred Cofins and PASEP 
   Provisions  
   Pension obligations 
   Public-Private Partnership - PPP 
   Program Contract Commitments 
   Other liabilities 
Total noncurrent liabilities 

Total liabilities 

Equity 
   Capital stock 
   Earnings reserves 
   Other comprehensive loss 
Total equity 
Total equity and liabilities 
The accompanying notes are an integral part of these financial statements. 

Note 

December 31, 2019 

December 31, 2018 

369,631 
2,859,843 
594,279 
250,318 
800,352 
550,247 
474,078 
110,291 
273,932 
170,453 
6,453,424 

10,384,866 
433,996 
143,693 
485,561 
3,360,932 
3,183,689 
103,321 
272,535 
18,368,593 

24,822,017 

15,000,000 
7,547,954 
(912,171) 
21,635,783 
46,457,800 

465,993 
2,103,612 
564,830 
200,563 
673,765 
458,387 
454,022 
137,827 
230,695 
108,938 
5,398,632 

11,049,184 
261,242 
140,830 
434,475 
2,970,009 
3,275,297 
142,314 
341,447 
18,614,798 

24,013,430 

15,000,000 
5,100,783 
(549,095) 
19,551,688 
43,565,118 

16 

17 (b) 
23 (c) 
19 (a) 
21 
14 (g) 
14 (c) (iv) 

16 
18 

19 (a) 
20 (b) 
14 (g) 
14 (c) (iv) 

23 

F-6 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
                                          
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Income Statements for the  
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Net operating income 
      Cost of services 

Gross profit 

      Selling expenses 

Allowance for doubtful accounts 

      Administrative expenses 

Other operating income (expenses), net 
Equity results of investments in affiliaties 

Profit from operations before finance income (expenses) 
and income tax and social contribution 

      Financial expenses 
      Financial revenues 
      Exchange result, net 

Financial result, net 

Note 

2019 

2018 

2017 

27 (b) 
28 

17,983,654 
(10,137,637) 

16,085,094 
(9,086,456) 

14,608,233 
(8,778,963) 

28 
28 
28 
30 
11 

29 
29 
29 

7,846,017 

6,998,638 

5,829,270 

(803,404) 
(128,099) 
(1,187,844) 
(18,748) 
3,701 

(693,480) 
(166,727) 
(996,877) 
28,591 
6,510 

(686,012) 
(82,681) 
(1,098,990) 
(5,679) 
5,760 

5,711,623 

5,176,655 

3,961,668 

(1,173,425) 
372,842 
(233,098) 

(807,967) 
446,302 
(902,671) 

(688,280) 
326,244 
(96,018) 

(1,033,681) 

(1,264,336) 

(458,054) 

Profit before income tax and social contribution 

4,677,942 

3,912,319 

3,503,614 

Income tax and social contribution 
      Current 
Deferred 

18 (d) 
18 (d) 

(1,155,463) 
(154,962) 
(1,310,425) 

(852,655) 
(224,596) 
(1,077,251) 

(882,787) 
(101,517) 
(984,304) 

Profit for the year 
Earnings per share – basic and diluted (in reais) 

3,367,517 
4.93 

2,835,068 
4.15 

2,519,310 
3.69 

24 

The accompanying notes are an integral part of these financial statements. 

F-7 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Statements of Comprehensive Income for the 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais 

Profit for the year 

Note 

2019 

2018 

2017 

3,367,517 

2,835,068 

2,519,310 

 Other comprehensive income (loss) 

(363,076) 

(10,994) 

287,547 

      Items which will not be subsequently reclassified 
      to the income statement: 

Actuarial gains and (losses) on defined benefit  
Plans, net of income tax 

      Other 

20 (b) 

(363,059) 
(17) 

(10,994) 
- 

287,547 
- 

Total comprehensive income for the year 

3,004,441 

2,824,074 

2,806,857 

The accompanying notes are an integral part of these financial statements. 

F-8 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Statements of Changes in Equity for the 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Balances as of December 31, 2016 
   Net income for the year 
   Actuarial gains (losses) 
   Total comprehensive income for the year 
   Legal reserve 
   Interest on capital (R$0.87539 per share) 
   2016 additional proposed dividends, approved 
(R$0.09176 per share) 
   Additional proposed dividends 
    Withholding  income  tax  on  interest  on  capital 
attributable as minimum mandatory dividends  
   Transfer to investments reserve 
Balances as of December 31, 2017 

Earnings reserves 

Note 

20 (b) 

23 (d) 
23 (c) 

23 (c) 

Capital 
stock 
10,000,000 
- 
- 
- 
- 
- 
- 
- 

Legal 
Reserve  
932,310 
- 
- 
- 
125,965 
- 
- 
- 

Investment 
reserve 
5,249,830 
- 
- 
- 
- 
- 
- 
- 

Additional 
dividend 
proposed 
62,719 
- 
- 
- 
- 
- 
(62,719) 
105,543 

Retained 
earnings  
- 
2,519,310 
- 
2,519,310 
(125,965) 
(598,336) 
- 
(105,543) 

Other 
comprehensive 
loss 
(825,648) 
- 
287,547 
287,547 
- 
- 
- 
- 

Total 
15,419,211 
2,519,310 
287,547 
2,806,857 
- 
(598,336) 
(62,719) 
- 

- 
- 
- 
- 
10,000,000  1,058,275 

- 
1,689,466 
6,939,296 

(52,004) 
- 
53,539 

- 
(1,689,466) 
- 

- 
- 
(538,101) 

(52,004) 
- 
17,513,009 

   Net income for the year 
   Actuarial gains (losses) 
   Total comprehensive income for the year 
   Legal reserve 
   Investments reserve capitalized 
   Interest on capital (R$0.9851 per share) 
   2017 additional proposed dividends, approved 
(R$0.07833 per share) 
   Additional proposed dividends 
   Withholding income tax on interest on capital 
attributable as minimum mandatory dividends  
   Transfer to investments reserve 
Balances as of December 31, 2018 

20(b) 

23 (d) 
23 (a) 
23 (c) 

23 (c) 
23 (c) 

- 
- 
- 
- 
- 
- 
141,755 
- 
- 
5,000,000 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
15,000,000  1,200,030 

- 
- 
- 
- 
(5,000,000) 
- 
- 
- 
- 
1,901,126 
3,840,422 

20 (b) 

   Net income for the year 
   Actuarial gains (losses) 
   Total comprehensive income for the year 
   Legal Reserve 
   Interest on shareholder's equity (R$1.17012 per 
share) 
   2018 additional proposed dividends, approved 
(R$0.08827 per share) 
   Additional proposed dividends 
    Withholding  income  tax  on  interest  on  capital 
- 
attributable as minimum mandatory dividends 
2,258,153 
   Transfer to investments reserve 
6,098,575 
Balances as of December 31, 2019 
The accompanying notes are an integral part of these financial statements. 

- 
- 
- 
- 
15,000,000  1,368,406 

- 
- 
- 
168,376 
- 
- 
- 

23 (d) 
23 (c) 

- 
- 
- 
- 
- 
- 
- 

- 
- 
- 
- 
- 
- 
- 

23 (c) 
23 (f) 

23 (c) 

- 
- 
- 
- 
- 
- 
(53,539) 
118,859 
(58,528) 
- 
60,331 

- 
- 
- 
- 
- 
(60,331) 
141,203 

2,835,068 
- 
2,835,068 
(141,755) 
- 
(673,328) 
- 
(118,859) 
- 
(1,901,126) 
- 

3,367,517 
- 
3,367,517 
(168,376) 
(799,785) 
- 
(141,203) 

- 
(10,994) 
(10,994) 
- 
- 
- 
- 
- 
- 
- 
(549,095) 

- 
(363,076) 
(363,076) 
- 
- 
- 
- 

2,835,068 
(10,994) 
2,824,074 
- 
- 
(673,328) 
(53,539) 
- 
(58,528) 
- 
19,551,688 

3,367,517 
(363,076) 
3,004,441 
- 
(799,785) 
(60,331) 
- 

(60,230) 
- 
80,973 

- 
(2,258,153) 
- 

- 
- 
(912,171) 

(60,230) 
- 
21,635,783 

F-9 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Statements of Cash Flows for the 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of 
reais                                                                                                                                                                                                             

Cash flow from operating activities 
    Profit before income tax and social contribution 
 Adjustments for: 
    Depreciation and amortization 
    Residual value of property, plant and equipment, intangible assets and investment properties written-off 
    Bad debt expense 
    Agreement signed with the municipality of Guarulhos 
    Agreement signed with the municipality of Santo André 
    Provisions and inflation adjustment 
    Interest calculated on borrowings and financing payable 
    Inflation adjustment and exchange gains (losses) on borrowings and financing 
    Interest and inflation adjustment on liabilities 
    Interest and inflation adjustment on assets 
    Finance charges from customers 
    Margin of fair value on intangible assets arising from concession  
    Provision for Consent Decree (TAC) 
    Share of profit of investees 
    Interest and monetary restatement (PPP) 
    Provision from São Paulo agreement 
    Pension obligations 
    Other adjustments 

Changes in assets  
   Trade receivables 
   Accounts receivable from related parties 
   Inventories 
   Recoverable taxes 
   Escrow deposits 
   Other receivables 
Changes in liabilities  
   Trade payables and contractors  
   Services payable 
   Accrued payroll and related taxes  
   Taxes and contributions payable 
   Deferred Cofins/PASEP 
   Provisions 
   Pension obligations 
   Other liabilities 
Cash generated from operations 

   Interest paid 
   Income tax and social contribution paid 

December 31,  
2019 

December 31,  
2018 

December 31,  
2017 

4,677,942 

3,912,319 

3,503,614 

1,780,094 
45,434 
128,099 
- 
(1,336,908) 
384,620 
568,679 
280,526 
46,038 
(39,547) 
(364,291) 
(65,172) 
(130,345) 
(3,701) 
397,576 
135,013 
267,423 
            5,863 

6,777,343 

(72,538) 
26,358 
(4,858) 
239,437 
(12,302) 
(1,966) 

(349,037) 
(114,957) 
159,794  
63,276  
2,863 
(241,674) 
(221,784) 
(92,637) 
6,157,318 

(737,326) 
(1,222,747) 

1,392,541 
24,974 
165,433 
(928,014) 
- 
111,940 
563,902 
982,072 
30,103 
(64,046) 
(289,321) 
(63,013) 
80,245 
(6,510) 
- 
135,735 
243,569 
            33,349 

6,325,278 

(71,679) 
39,919 
20,075 
(104,118) 
(1,639) 
11,760 

(176,826) 
(89,988) 
(103,488)  
(4,829)  
10,648 
(297,282) 
(217,000) 
122,214 
5,463,045 

(732,048) 
(888,077) 

1,301,897 
24,935 
82,681 
- 
- 
185,080 
426,781 
159,087 
25,751 
(31,619) 
(193,683) 
(70,335) 
72,933 
(5,760) 
- 
- 
304,500 
          92,461 

5,878,323 

(42,194) 
51,594 
(27,633) 
(233,952) 
(32,200) 
8,312 

(180,353) 
(51,779) 
56,841  
15,983  
(7,889) 
(279,951) 
(228,282) 
(16,741) 
4,910,079 

(676,087) 
(932,110) 

Net cash generated from operating activities 

4,197,245 

3,842,920 

3,301,882 

Cash flows from investing activities 
   Acquisition of contract assets and intangible assets 
   Restricted cash 
   Investment increase/(decrease) 
   Purchase of property, plant and equipment 
   Dividends received  
Net cash used in investing activities  

The accompanying notes are an integral part of these financial statements. 

(3,195,247) 
5,882 
240 
(78,159) 
- 
(3,267,284) 

(2,132,559) 
(13,078) 
(1,136) 
(50,645) 
8,131 
(2,189,287) 

(1,957,780) 
5.256 
- 
(18,920) 
- 
(1,971,444) 

F-10 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Statements of Cash Flows for the 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of 
reais                                                                                                                                                                                                            (continued) 

December 31,  
2019 

December 31,  
2018 

December 31,  
2017 

1,793,388 
(2,148,198) 
(739,996) 
(548,079) 
(63,057) 
(1,705,942) 

1,634,553 
(1,678,748) 
(653,393) 
(178,333) 
(31,568) 
(907,489) 

1,007,572 
(1,098,558) 
(765,933) 
(31,758) 
(44,935) 
(933,612) 

(775,981) 

746,144 

396,826 

3,029,191 
2,253,210 
(775,981) 

2,283,047 
3,029,191 
746,144 

1,886,221 
2,283,047 
396,826 

Cash flows from financing activities 
   Borrowings and financing  
       Proceeds from loans 
       Payment of loans 
  Payment of interest on capital 
  Public-Private Partnership - PPP 
  Program Contract Commitments 
Net cash used in financing activities 

Increase / (decrease) in cash and cash equivalents 

Represented by : 
Cash and cash equivalents at the beginning of the year 
Cash and cash equivalents at the end of the year 
Increase / (decrease) in cash and cash equivalents 

The accompanying notes are an integral part of these financial statements. 

F-11 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

1    Operations 

Companhia  de  Saneamento  Básico  do  Estado  de  São  Paulo  ("SABESP"  or  the  "Company")  is  a  mixed-capital  company 
headquartered in São Paulo, at Rua Costa Carvalho, 300, CEP 05429-900, controlled by the São Paulo State Government. The 
Company is engaged in the provision of basic and environmental sanitation services in the State of São Paulo, as well as it supplies 
treated water and sewage services on a wholesale basis. 

In addition to providing basic sanitation services in the State of São Paulo, SABESP may performs these activities in other states 
and countries, and can operate in drainage, urban cleaning, solid waste handling and energy markets. SABESP aims to be a world 
reference in the provision of sanitation services, in a sustainable, competitive and innovative manner, with a focus on customers.  

As of December 31, 2019, the Company operated water and sewage services in 372 municipalities of the State of São Paulo. Most 
of these municipalities’ operations are based on 30-year concession, program and services contracts; of the 372 municipalities 
served, 324 have already signed contracts, accordingly by Law 11,445/07, until December 31, 2019. 

Management believes that concession agreements expired and not yet renewed will result in new contracts, disregarding the risk 
of  discontinuity  in  the  provision  of  municipal  water  supply  and  sewage  services.  The  table  below  shows  a  summary  of  the 
contractual situation: 

December 31, 

2019 

December 31, 

2018 

Total municipalities that have already signed contracts (*) 

Balance – intangible and contract assets 
   Percentage of intangible and contract assets 
   Gross revenue (except Construction Revenue) 
   Percentage of gross revenue (except Construction Revenue) 

Municipalities with contracts under negotiation (expired): 

Balance – intangible and contract assets 
   Percentage of intangible and contract assets 
   Gross revenue (except Construction Revenue) 
   Percentage of gross revenue (except Construction Revenue) 

Municipalities with concession agreements due by 2030: 

Balance – intangible and contract assets 
Percentage of intangible and contract assets 
   Gross revenue (except Construction Revenue) 
   Percentage of gross revenue (except Construction Revenue) 

Municipality of São Paulo: 
   Percentage of intangible and contract assets 
   Percentage of gross operating revenue 

F-12 

325 
35,990,087 
90.10% 
13,700,777 
84.92% 

21 
1,637,878 
4.10% 
451,603 
2.80% 

27 
1,181,172 
2.96% 
588,628 
3.65% 

43.37% 
44.48% 

307 
29,187,524 
80.14% 
11,297,242 
79.26% 

35 
4,485,203 
12.32% 
858,277 
6.02% 

31 
1,917,142 
5.26% 
980,679 
6.88% 

46.97% 
47.05% 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(*) Includes the municipality of Tapiratiba, which signed a contract in October 2019, to begin operating in April 2020. 

The  Company  operates  under  an  authorization  by  public  deed  in  the  municipalities  of  Ilhabela,  Juquitiba  e  Ubatuba.  As  of 
December 31, 2019, the gross revenue calculated in these municipalities totaled R$89,165 (R$81,385 as of December 31, 2018 and 
R$81,911 as of December 31, 2017) and the intangible asset was R$351,441 in the year ended December 31, 2019 (R$289,922 as of 
December 31, 2018). 

The Company's shares have been listed in the Novo Mercado (New Market) segment of B3 under the ticker symbol SBSP3 since 
April 2002 and on the New York Stock Exchange (NYSE) as American Depositary Receipts (“ADRs”) Level III, under the SBS code, 
since May 2002. 

Since 2008, the Company has been setting up partnerships with other companies, which resulted in the following companies: 
Sesamm,  Águas  de  Andradina,  Saneaqua  Mairinque,  Aquapolo  Ambiental,  Águas  de  Castilho,  Attend  Ambiental  and  Paulista 
Geradora  de  Energia.  Although  SABESP  has  no  majority  interest  in  the  capital  stock  of  these  companies,  the  shareholders’ 
agreements provide for the power of veto and casting vote in certain issues jointly with associates, indicating the shared control in 
the management of investees. 

Management expects that with the decrease in default resulting from the signature with the municipalities of Guarulhos and Santo 
André, improved water security, due to the works carried out, and the generation of operating cash and the credit lines available 
for investment, the Company will have sufficient funds to meet its commitments and not compromise the scheduled investments. 

The financial statements were approved by Management on April 30, 2020. 

F-13 

 
 
   
  
   
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

2             Basis of preparation and presentation of the financial statements 

The financial statements of the Company have been prepared in accordance with the International Financial Reporting Standards 
–  IFRS  as  issued  by  the  International  Accounting  Standards  Board  –  IASB.  All  material  information  related  to  the  financial 
statements, and this information alone, is being disclosed and corresponds to the information used by the Company’s Management 
in its administration. 

The financial statements have been prepared under the historical cost except for certain financial instruments measured at fair 
value when required by the standards. 

The preparation of financial statements in conformity with IFRS requires the use of certain critical accounting estimates. It also 
requires Management to exercise its judgment in the process of applying the Company's accounting policies. The areas involving 
a higher degree to judgment or complexity, or areas where assumptions and estimates are significant to the financial statements 
are described in Note 6.  

3   Summary of Significant Accounting Policies 

The main accounting policies applied in the preparation of these financial statements are defined below. These policies have been 
applied consistently in all years presented, except for the note 3.20. 

3.1  Cash and cash equivalents 

Cash and cash equivalents include cash in hand, bank deposits, overdraft accounts and other short-term highly liquid investments 
with maturities and intention of use by the Company’s Management in a period lower than three months. 

       3.2  Financial assets and liabilities 

Financial Asset - Classification 

As of December 31, 2019 and 2018, the Company classified its financial assets according to the following categories: measured at 
amortized cost, measured at fair value through other comprehensive income and measured at fair value through profit or loss. The 
classification depends on the purpose for which the financial assets were acquired. Management determines the classification of 
the financial assets at inception. As of December 31, 2019 and 2018, the Company did not have financial assets classified as fair 
value through other comprehensive income and fair value through profit or loss. 

F-14 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

•         Amortized cost 

This comprises financial assets that meet the following conditions: (i) it is held within the business model whose objective is to 
hold financial assets to collect contractual cash flows; and (ii) the contractual terms of the financial asset give rise, on specified 
dates, to cash flows that are solely payments of principal and interest on the principal amount outstanding. 

Presented as current assets, except for those with maturity of more than 12 months after the reporting date (these are classified as 
noncurrent assets). The Company's financial assets measured at amortized cost include cash and cash equivalents, restricted cash, 
balances  of  trade  receivables,  accounts  receivable  from  related  parties,  other  receivables,  receivables  from  the  Water  National 
Agency – ANA. Financial assets measured at amortized cost are recorded at fair value and subsequently at amortized cost, under 
the effective interest rate method. 

Financial Liabilities - Classification 

As  of  December  31,  2019  and  2018,  with  the  adoption  of  IFRS  9,  the  Company  classifies  its  financial  liabilities  measured  at 
amortized cost. Classification depends on the purpose to which the financial liabilities were assumed. This category comprises 
balances payable to contractors and suppliers, borrowings and financing, services payable, balances payable from public-private 
partnership (PPP), and program contract commitments. 

The effective interest rate method is adopted to calculate the amortized cost of a financial liability and allocate its interest expense 
under the respective period. The effective interest rate exactly deducts the estimated future cash flows (including fees, transaction 
costs and other issue costs) throughout the financial liability’s estimated life or, when appropriate, during a shorter period, for 
initial recognition of the net carrying amount. 

Impairment 

IFRS 9 – Financial Instruments introduces a new impairment model, replacing the incurred loss model for the expected credit loss 
model, which requires the recording of provision upon initial recognition of asset exposed to credit risk.  

F-15 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Trade receivables 

Due to the caractheristics of the Company’s accounts receivable such as (i) insignificant financial component, (ii) non-complex 
receivables  portfolio,  and  (iii)  low  credit  risk,  the  Company  adopted  the  simplified  approach  of  expected  credit  loss,  which 
consists in recognizing expected credit loss based on the total asset’s useful life. 

As of December 31, 2019 and 2018, the methodology to calculate allowance for doubtful accounts consisted of using an estimate 
calculated based on the average default observed in the last 12 months, per maturity range, in addition to estimating the recovery 
of  credits  overdue  for  more  than  360  days,  based  on  the  track  record  of  the  last  two  years.  For  estimate  purposes,  it  also 
considered the category of private and public customers, and segregated accounts receivable among the regular consumption 
accounts and agreements.. The Company also concluded that the macroeconomic indicators did not have significant impact on 
its  estimates.  In  order  to  support  this  understanding,  the  Company  carried  out  several  analyses  of  the  correlation  between 
indicators that could potentially have some influence the sanitation sector and its history of losses on doubtful accounts, such as 
Gross Domestic Product (GDP), Unemployment Rate and the Extended Consumer Price Index (IPCA). 

Deposit transactions and financial investments measured at amortized cost 

The Company analyzes changes in the rates of investments in bank deposits certificates and information obtained from regulatory 
agencies about the financial institutions. The likelihood of delinquency over 12 months and during the terms of these investments 
was based on historical data provided by credit rating agencies for each credit level and analyzed in terms of sensitivity based on 
current returns. 

These deposits and financial investments are subject to an insignificant risk of change in value. 

3.3  Operating income 

(a)     Revenue from sanitation services 

Revenue from water supply and sanitation services are recognized as the water is consumed and services are provided. Revenues, 
including  revenues  unbilled,  are  recognized  at  the  fair  value  of  the  consideration  received  or  receivable  for  the  sale  of  those 
services.  Revenue  is  shown  net  of  value-added  tax,  rebates  and  discounts.  Unbilled  revenues  represent  incurred  revenues  in 
which the services were provided, but not yet billed until the end of the each period and are recorded as trade receivables based 
on monthly estimates of the completed services.  

F-16 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

As of December 31, 2017, the Company recognized revenue when: i) products were delivered or services were rendered; ii) the 
amount of revenue could be reliably measured, iii) it was probable that future economic benefits would flow to the Company, and 
iv) it was probable that the amounts will be collected. The amount of revenue was not considered to be reliably measurable until 
all conditions relating to the sale had been satisfied. Amounts in dispute were recognized as revenue when collected. 

As of December 31, 2019 and 2018, with the adoption of IFRS 15, since 1 January, 2018, which establishes a five-step model 
applicable  over  revenue  from  a  contract  with  a  customer,  as  a  result,  the  Company  started  to  recognize  revenue  when:  i)  it 
identifies the contracts with customers; ii) it identifies the different obligations in the contract; iii) it determines the transaction 
price; iv) it allocates the transaction price to the performance obligations in the contracts; and (v) it satisfies all performance 
obligations. Amounts in dispute are recognized as revenue when collected. 

The Company analyzed sales transactions to private sector, government entities and wholesale customers and concluded IFRS 
15 did not have significant impacts. 

The Company adopted IFRS 15 using the cumulative effect method, with application and recognition as from first-time adoption, 
i.e.  January  1,  2018.  Consequently,  the  Company  did  not  apply  the  requirements  of  IFRS  15  for  comparison  purposes. 
Accordingly, data relating to 2017 is presented based on information previously reported and prepared in accordance with IAS 
18 Revenue and related interpretations. 

(b)     Construction revenue 

As  of  December  31,  2017,  revenue  from  concession  construction  contracts  was  recognized  in  accordance  with  IFRIC  12 
(Concession Arrangements) and IAS 11 (Construction Contracts), using the percentage-of-completion method, provided that the 
applicable conditions for application were fulfilled, with non-cash effect. The percentage of completion was calculated from the 
ratio of the actual costs incurred on the balance sheet date to the planned total costs (cost-to-cost method). Revenue from cost 
plus  contracts  was  recognized  by  reference  to  the  construction  costs  incurred  during  the  period  plus  a  fee  earned. The  fee 
represents the additional margin related to the work performed by the Company in relation to such construction contracts and 
it is added construction costs, resulting in the construction revenue. 

As of December 31, 2019 and 2018, revenue from concession construction contracts is recognized in accordance with IFRS 15 
(Revenue from Contracts with Customers) and IFRIC 12 (Concession Contracts), as all performance obligations are satisfied over 
time. During the construction of the contract, an asset is classified as contract assets, as the Company estimates that the fair value 
of its consideration is equivalent to expected construction costs plus margin. The fee represents the additional margin related to 
the work performed by the Company in relation to such construction contracts and it is added to construction costs, resulting in 
the construction revenue. 

F-17 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

3.4  Trade receivables and allowance for doubtful accounts 

Trade receivables are amounts due from customers for services performed in the ordinary course of business. These are classified 
as current assets, except when maturity exceeds 12 months after the end of the reporting period. In these cases, they are presented 
as noncurrent assets.  

The Company establishes an allowance for doubtful accounts for receivable balances at an amount that Management considers to 
be sufficient to cover eventual losses, as described in note 3.2. 

3.5  Inventories 

Inventories comprise supplies for consumption and maintenance of the water and sewage systems are stated at the lower of average 
cost of acquisition or net realizable value, and are classified in current assets.  

3.6  Investment properties 

The investment properties are recorded at the acquisition or construction cost, less accumulated depreciation, except for the land 
group, calculated by the straight-line method at rates that consider the estimated useful life of assets. Expenditures  related to 
repairs and maintenance are recorded in the income statement when incurred. 

The Company also maintains few assets for undetermined use in the future, i.e., it is not defined if the Company will use these 
assets in the operation or sell them in the short term during the ordinary course of business. 

3.7  Property, plant and equipment 

Property,  plant  and  equipment  comprise  mainly  administrative  facilities  not  composing  the  assets,  subject-matter  of  the 
concession agreements. Those assets are stated at historical acquisition or construction cost less depreciation, net of impairment 
charge,  when  necessary. Interest,  other  finance  charges  and  inflationary  effects  deriving  from  financing  effectively  applied  to 
construction in progress are recorded as cost of respective property, plant and equipment, in this case, for the qualifying assets, as 
applicable. Qualifying assets are assets that, necessarily, take a substantial period to get ready for its intended use or sale. The 
Company considers that substantial period means a period greater than 12 months. This period was established by considering the 
completion period of the majority of its constructions, which is greater than 12 months, which corresponds to one fiscal year of 
SABESP.  

F-18 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Subsequent costs included in the existing asset's carrying amount or recognized as a separate asset, as appropriate, only when it is 
probable  that  the  future  economic  benefit  associated  with  the  item  will  flow  to  the  Company  and  the  cost  of  the  item  can  be 
measured reliably. Repairs and maintenance are charged to the income statement during the financial period in which they were 
incurred. 

Depreciation is calculated using the straight-line method to allocate their cost and is described in Note 15 (a). 

Residual values and the useful life of assets are revised and adjusted, where applicable, at the end of each year.  

Gain and losses on disposals are determined by the difference between the proceeds with the carrying amount and are recognized 
within other operating income (expenses) in the income statement. 

3.8 Intangible assets 

Intangibles are stated at acquisition cost and/or construction of the underlying assets, including construction margin, interest and 
other finance charges capitalized during the construction period, in this case, for the qualifying assets. Qualifying assets are assets 
that, necessarily, take a substantial period to get ready for its intended use or sale. The Company considers that substantial period 
means a period greater than 12 months. This period was established by considering the completion period of the majority of its 
constructions, which is greater than 12 months, which corresponds to one fiscal year of SABESP. 

The intangible has its amortization initiated when the intangible assets are available for use in location and the necessary condition 
when this asset becomes operational. 

The amortization of intangible assets reflects the period over the expected future economic benefits generated by the intangible 
asset are consumed by the Company and can be the period of the contract or the useful life of the asset. 

The amortization of the intangible assets is discontinued when the asset is totally consumed or it is disposed of, whatever occurs 
first. 

Donations in assets, received from third parties and governmental entities, to allow the Company to render water and sewage 
services are not recorded in the Company’s financial statements, since these assets are controlled by the concession grantor. 

F-19 

 
  
  
  
  
  
  
  
  
  
  
 
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Financial resources received as donations for the construction of infrastructure are recorded under “Other operating income”. 

(a)         Concession agreements/program contracts/service contracts 

The  Company  operates  concession  agreements  including  the  rendering  of  basic  sanitation,  environmental,  water  supply  and 
sewage  services  signed  with  the  concession  grantor. The  infrastructure  used  by  SABESP  subject  to  service  concession 
arrangements is considered to be controlled by the concession grantor when: 

(i)        The grantor controls or regulates what services the operator must provide with the infrastructure, to whom it must provide 

them, and at what price; and 

(ii)       The grantor controls the infrastructure, i.e., retains the right to take back the infrastructure at the end of the concession. 

SABESP's rights over infrastructure operated under concession agreements is accounted for as an intangible asset as SABESP has 
the right to charge for use of the infrastructure assets, and users (consumers) have the primary responsibility to pay SABESP for 
the services. 

The  fair  value  of  construction  and  other  work  on  the  infrastructure  is  recognized  as  revenue,  as  its  fair  value,  when  the 
infrastructure is built, provided that this work is expected to generate future economic benefits. The accounting policy to recognize 
construction revenue is described in Note 3.3 (b). 

Intangible assets related to the concessions, when there is no right to receive the residual value of the assets at the end of the 
contract, are amortized on a straight-line basis over the period of the contract, or the useful life of the underlying asset, whichever 
occurs first.  

Investments made and not recovered through rendering of services, in cases where there is the right to receive the residual value 
of the assets at the end of the contract , must be indemnified by the concession grantor, with cash or cash equivalents or also, in 
general with the contract extension. These investments are amortized by the useful life of asset. 

The details referring to amortization of intangible assets are described in Note 14 (c). 

F-20 

 
  
  
  
  
  
  
  
  
  
  
 
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Law  11,445/2007  indicates,  whenever  possible,  that  basic  sanitation  public  utilities  will  have  the  economic  and  financial 
sustainability ensured through the remuneration due to service collection, preferably as tariffs and other public prices, which may 
be established for each service or both jointly.  Therefore, investments made and not recovered through services rendered, within 
original  term  of  the  contract,  are  recorded  as  intangible  assets  and  amortized  by  the  useful  life  of  the  asset,  taking  into 
consideration a solid track record of concession renewal and, therefore, the continuity of services. 

(b)         Software license of use 

Software  licensing  is  capitalized  based  on  the  acquisition  costs  and  other  implementation  costs. Amortizations  are  recorded 
according to the useful lives and the expenses associated with maintaining these are recognized as expenses when incurred. 

3.9 Impairment of non-financial assets 

Property, plant and equipment, intangibles assets and other noncurrent assets with definite useful lives, are yearly reviewed for 
impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. The Company 
does not record assets with indefinite useful life and assessed that there are no indications of impairment losses, mainly supported 
by Law 11,445/2007, which ensures that basic sanitation public utilities will have assured its economic and financial sustainability 
through tariffs or via indemnity. 

3.10 Trade accounts payable and contractors 

Accounts payable to contractors and suppliers are obligations to pay for goods or services purchased from suppliers in the ordinary 
course of business and are initially measured at fair value, which generally correspond to the bill and subsequently at amortized 
cost, being classified as current liabilities, except when the maturity exceeds 12 months after the reporting date and are, otherwise, 
presented as noncurrent liabilities. 

3.11 Borrowings and financing 

Borrowings  and  financing  are  initially  recognized  at  fair  value,  upon  receipt  of  funds,  net  of  transaction  costs. Subsequently, 
borrowings and financing are stated at amortized cost, as presented in Note 16. Borrowings and financing are classified as current 
liabilities unless the Company has an unconditional right to defer settlement of the liability for at least 12 months after the end of 
the reporting period.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Nonconvertible bonds issued by the Company are recognized in a similar manner to borrowings. 

3.12 Borrowing costs 

Borrowing costs attributable to acquisition, construction or production of an asset, which, necessarily, requires a substantial time 
period to be ready for use or sale are capitalized as part of the cost of these assets. Other borrowing costs are recognized as expenses 
in  the  period  they  are  incurred. Borrowing  costs  are  interest  rates  and  other  charges  incurred  by  the  Company  related  to 
borrowings, including exchange variation, as described below. 

The capitalization occurs during the period in which the asset has been built, considering the weighted average rate of borrowings 
effective on the capitalization date. 

For  foreign  currency-denominated  borrowings  or  financing,  the  Company  analyzes  them  as  if  they  were  contracted  in  local 
currency, restricting the capitalization of interest and/or exchange variation by the amount that would be capitalized if these were 
contracted in the domestic market in similar lines of credit and loans. 

3.13  Salaries, payroll charges and contributions 

Salaries,  vacations,  13th  salary,  profit  sharing  and  additional  payments  negotiated  in  collective  labor  agreements  plus  related 
charges and contributions are recorded on the accrual basis. 

The profit sharing plan for its employees is based on operational and financial targets of the Company, which creates provision 
when it is contractually required or when there is a practice in the past that created a constructive obligation, and is recorded on 
the accrual basis period as operating cost, selling, administrative expenses or capitalized in assets.  

3.14  Provisions, legal liabilities, escrow deposits and contingent assets 

Provisions related to claims are recognized when: i) the Company has a present (legal or constructive) obligation as a result of past 
event; ii) it is probable that an outflow of resources that comprise economic benefits will be required to settle the obligation; and 
iii) the amount can be reliably estimated. Where there are a number of similar obligations, the likelihood that an outflow will be 
required in settlement is determined by considering the class of obligations as a whole.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Provisions are measured at the present value of the disbursements expected to be required to settle the obligation using a pre-tax 
rate that reflects current market assessments of the time value of money and the risks specific to the obligation. The increase in 
the provision due to passage of time is recognized as interest expense. 

For financial statement presentation purposes, the provision is stated net of the related escrow deposits based on the legal right to 
offset. The bases and the nature of the provisions for civil, tax, labor and environmental risks are described in Note 20. 

Escrow deposits not linked to related liabilities are recorded in noncurrent assets. Escrow deposits are adjusted for inflation. 

Contingent assets are not recognized in the statements of financial position. 

3.15  Environmental costs 

Costs related to ongoing environmental programs are expensed in the income statement, when there is any indication of an event. 
Ongoing programs are designed to minimize the environmental impact of the operations and to manage the environmental risks 
inherent to the Company's activities.  

3.16  Income taxes – current and deferred 

Income taxes expenses comprise current and deferred income tax and social contributions. 

Current tax 

The provision for income tax and social contribution is based on the taxable income for the year. The income tax was accrued at 
rate 15%, plus 10% surtax on taxable income exceeding R$ 240. The social contribution was accrued at rate 9% over adjusted net 
income.   Taxable  income  differs  from  net  income  (profit  presented  in  the  income  statement),  because  it  excludes  income  and 
expenses taxable or deductible in other years, and excludes items not permanently taxable or not deductible. Income tax and social 
contribution are accrued based on legislation in place in the end of the year. Management periodically evaluates and measures the 
positions  taken  in  the  income  tax  return  with  respect  to  situations  in  which  applicable  tax  regulations  are  subject  to 
interpretation.  It establishes provisions where appropriate on the basis of amounts expected to be paid to the tax authorities. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Deferred tax 

Deferred income tax is recognized, using the liability method, on temporary differences arising between the tax basis of assets and 
liabilities and their carrying amounts in the financial statements. However, the deferred income tax is not accounted for if it arises 
from initial recognition of an asset or liability in a transaction that at the time of the transaction affects neither accounting nor 
taxable profit nor loss, except for business combinations. Deferred income tax is determined using tax rates (and laws) effective at 
the end of the reporting period and expected to apply when the related deferred income tax asset is realized or the deferred income 
tax liability is settled. 

Deferred income tax and social contribution assets are recognized only to the extent that it is probable that future taxable profit 
will be available for which temporary differences can be utilized and tax losses can be carryforward. 

Deferred taxes assets and liabilities are offset when there is a legally enforceable right of offsetting current tax assets against current 
tax liabilities and when deferred income tax assets and liabilities are related to income taxes levied by same tax authority over the 
tax entity.  

3.17  Taxes on revenues 

Revenues from sanitation services are recognized on accrual basis for PASEP (Programa de Formação do Patrimônio do Servidor 
Público)  and  Cofins  (Contribuição  para  o  Financiamento  da  Seguridade  Social),  calculated  at  the  rates  of  1.65%  and  7.60%, 
respectively. 

In  addition,  revenues  from  sanitation  services  are  also  subject  to  the  Regulatory,  Control  and  Oversight  Fee  (TRCF  -  Taxa  de 
Regulação, Controle e Fiscalização), whose taxable event is the performance of regulatory, control and monitoring activities by 
ARSESP, calculated at 0.50% of the annual revenue directly generated by the service provided less taxes levied on the service. 

The taxes related to PASEP and Cofins incident on amounts invoiced to public entities are due when invoices are received. 

These taxes are calculated by the non-cumulativeness regime and presented net, as deductions from gross revenues. Tax debts 
calculated over “other operating income” are presented as deductions from the respective operating income. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

3.18  Pension obligations 

(a)      Defined benefit 

The  Company  makes  contributions  to  defined  benefit  plans  on  a  contractual  basis  and  sponsored  thereby. The  regular 
contributions comprise the net administrative expenses and are recognized in the income statement for the period. 

Liabilities from defined benefit pension plan obligations correspond to the present value of the defined benefit obligation at the 
end of the reporting period, less the fair value of the plan’s assets. The defined benefit obligation (G1) and (G0) are calculated on 
an annual basis by independent actuaries, using the projected unit credit method. The estimated future cash outflows is discounted 
to its present value, using the interest rates of Government bonds with maturities that approximate the maturity of the related 
liability. 

Referring to actuarial gains and losses deriving from adjustments based on the experience and changes in actuarial assumptions 
are directly recorded under equity, as other comprehensive income (OCI), so that the plan's net assets or liabilities are recognized 
in the statement of financial position in order to reflect the full amount of plan’s deficit or surplus.  

In an event where a curtailment relates to only some of the employees covered by a plan, or where only part of an obligation is 
settled, the gain or loss includes a proportionate share of the past service cost and actuarial gains and losses. The proportionate 
share is determined on the basis of the present value of the obligations before and after the curtailment or settlement. 

(b)      Defined contribution 

The Company makes contributions to defined contribution plans on a contractual basis and sponsored thereby, a supplementary 
private pension entity that provides post-employment benefits to its employees, in which the Company makes fixed and equal 
contributions to employees, within the limits set by regulation. In this model, the benefits paid are directly related to the amount 
contributed, with no deficits to be covered by the Company. 

3.19  Financial revenues and expenses 

Financial  revenue  is  primarily  comprised  of  interest  and  inflation  adjustments  resulting  from  financial  investments,  escrow 
deposits and negotiations with customer to pay by installments, calculated using the effective interest rate method. 

Financial  expenses  are  primarily  comprised  of  interest,  inflation  adjustments  and  exchange  rate  changes  on  borrowings  and 
financing, provisions, public-private partnership and program contract commitments. These financial income and expenses are 
calculated using the effective interest rate method.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Inflation  adjustments  and  exchange  gains  and  losses  derive  from  the  collection  or  payment  to  third  parties,  as  contractually 
required by law or court decision, and recognized on an accrual basis pro rata temporis. Inflation adjustments included in the 
agreements  are  not  considered  embedded  derivatives,  since  they  are  deemed  as  inflation  adjustment  rates  for  the  Company’s 
economic scenario. 

3.20  Leases 

As  of  December  31,  2018  lease  agreements  were  classified  as  finance  lease  when  property,  risks  and  rewards  inherent  to  the 
ownership of asset to the lessee are transferred. Other leases were classified as operational lease, recognized as expenses in the 
income statement on a straight-line basis during the lease term.  

Finance lease agreements were measured based on the lower amount between the present value of minimum mandatory payments 
of the agreement or the fair value of asset on the start date the lease agreement. The amounts payable deriving from considerations 
of  finance  lease  agreements  are  impacted  by  financial  expenses  and  amortization  of  finance  lease  payables  so  that  to  obtain  a 
constant interest rate. The corresponding lessor’s liability is recorded as current and noncurrent debt. 

On January 1, 2019, the Company applied IFRS16, which introduced one sole lease model, replacing the concept of classifying 
between operating and finance lease, which was applied by the Company up to December 31, 2018. The impact of this new 
standard is detailed in Note 4.1. 

3.21  Other current and noncurrent assets and liabilities 

Other  assets  are  stated  at  cost  of  acquisition,  net  of  any  impairment  loss,  where  applicable.  The  amounts  recognized  as  other 
liabilities are stated at known or estimated amounts, including, where applicable, related charges and inflation adjustments. 

3.22  Dividends and interest on capital 

The Company uses the tax benefits of distributing dividends as interest on capital, as permitted by Brazilian Law and based on the 
Bylaws. This distribution of dividend is accounted for in accordance with Brazilian Law 9,249/95 for tax deductibility purposes, 
limited  to  the  daily  pro  rata  fluctuation  of  the  Long-term  Interest  Rate  (TJLP). The  benefit  attributed  to  the  shareholders  is 
recognized  in  the  current  liability  against  Equity,  based  on  its  by-laws.     Dividends  and  interest  on  capital  over  the  minimum 
established  in  the  by-laws  are  recognized  when  approved  by  the  shareholders  in  the  shareholders’  meeting,  except  for  taxes 
incurring in the distribution of interest on capital. The tax benefit of the interest on capital is accrued in the income statement of 
the year, under the same recognition basis of expenses with interest on capital. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

3.23  Present value adjustment 

Current and noncurrent financial assets and liabilities are adjusted to present value based on discount rate at current market rate 
as of the transaction date, when the effects are relevant. 

3.24  Segment information  

Operating segments are determined in a manner consistent with the internal reporting to the Company’s chief operating decision 
maker (“CODM”), which, in the case of SABESP, is the Board of Executive Officers, to make strategic decisions, allocate resources 
and evaluate performance. 

Consequently, the Company determined that it has one operating segment (sanitation services). 

The accounting policies used to determine segment information are the same as those used to prepare the Company’s financial 
statements. 

The measure of the segment’s profit or loss is operating income before other operating expenses, net and equity accounting, which 
excludes construction revenue and related costs. 

The  CODM  analyzes  asset  and  liabilitity  information  on  a  consolidated  basis.  Consequently,  the  Company  does  not  disclose 
segment information on assets and liabilities. 

Substantially  all  of  the  Company’s  noncurrent  assets  and  revenue  generated  from  customers  are  located  in  São  Paulo  State. 
Consequently, financial information is not disclosed by geographic area. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

3.25  Translation into foreign currency 

(a)      Functional and reporting currency 

Items included in the financial statements are measured using the currency of the primary economic environment in which the 
company operates ("the functional currency"). The financial statements are presented in Brazilian reais (R$), which is also the 
Company's functional currency. All financial information has been stated in reais and rounded to the next thousand, except where 
otherwise indicated. 

(b)      Foreign currency translation 

Foreign  currency-denominated  transactions  are  translated  into  Brazilian  reais  using  the  exchange  rates  prevailing  at  the 
transaction dates. Statement of financial position accounts are translated by the exchange rate prevailing at reporting date. 

Exchange gains and losses resulting from the settlement of these transactions and the translation of foreign currency-denominated 
cash assets and liabilities are recognized in the income statement, except for borrowings and financing referring to property, plant 
and equipment or intangible assets in progress, where exchange losses are recognized as corresponding entry to the asset while 
construction is in progress, as described in Note 3.12. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

4             Changes in accounting practices and disclosures 

4.1  New standards, amendments and interpretations effective for periods beginning on or after January 1, 
2019 

New standards and revisions 

Standard 

Description 

Impact 

IFRS 16 – Leases 

Establishes a single model for the accounting of leases in the balance sheet for 
lessees. A lessee recognizes a right of use asset that represents his right to use the 
leased asset and a lease liability that represents his obligation to make lease 
payments. The lessor's accounting remains similar to the current standard, that is, 
the lessors continue to classify the leases as financial or operating.  

IFRS 16 superseded the leases guidance including IAS 17 Leases and IFRIC 4, SIC 
15 and SIC 27 Determining Whether an Arrangement Contains a Lease.  

(*) See impact analysis below. 

IFRIC 23 – Uncertainty over Income Tax 
Treatments1 

Clarify accounting when there are uncertainties about the treatment of taxes on 
profit. 

Amendments to IFRS 9 – Prepayment 
Features with Negative Compensation 

Amendments to IAS 28 – Long-term 
interests in Associates and Joint Ventures  

Annual Improvements to IFRSs: 2015-
2017 Cycle (Amendments to IFRS 3, IFRS 
11, IAS 12 and IAS 23) 

Amendments to IAS 19 – Plan 
Amendment, Curtailment or Settlement  

Clarify that, to determine whether a prepayment feature meets the condition of 
“solely payments of principal and interest”, the party exercising the option may 
pay or receive compensation for the prepayment regardless of the reason for the 
prepayment, that is, the prepayment features with negative compensation do not 
automatically break the condition of “solely payments of principal and interest”. 

Clarify that IFRS 9, including its requirements for impairment, is applicable to 
other financial instruments in an associate or joint venture to which the equity 
method is not applicable. Include long-term investments that, in substance, are 
part of the entity's net investment in an associate or joint venture. 

•  IFRS 3 – Business Combinations - clarify that when the control of a business that 
is a joint operation is obtained, the requirements for business combination are 
applied in stages, including the remeasurement of the interest previously held in 
the joint operation at fair value. 

•  IFRS 11 – Joint Arrangements - clarify that when a party that participates in a 

joint operation that corresponds to a business, but does not have joint control of 
that operation, obtains joint control of that joint operation, its interest previously 
held in the joint operation is not remeasured. 

•  IAS 32 – Income Taxes - clarify that the Company must recognize the 
consequences of income tax on dividends in profit or loss, in other 
comprehensive income or in equity, depending on where the transactions that 
generated the profit to be distributed were originally recognized. 

•  IAS 23 – Borrowing Costs – clarify that if there is any specific borrowing 

outstanding after the corresponding asset is ready for its intended use or sale, 
that borrowing becomes part of the funds that the Company usually borrows to 
calculate the capitalization rate on borrowings in general.  

The amendments clarify that the cost of past services (or settlement gain or loss) is 
calculated by measuring the defined benefit liability (asset) based on updated 
assumptions and comparing the benefits offered and the plan’s assets before and 
after the change of the plan (or its curtailment or settlement) but ignoring the effect 
of the asset ceiling (which may arise when the defined benefit plan is in surplus). 
IAS 19 clarifies that the change in the effect of the asset ceiling resulting from the 
change in the plan (or its curtailment or settlement) is determined in a second step 
and is normally recognized in other comprehensive income.  

The application of this interpretation did not impact 
the disclosures or amounts recognized in the annual 
financial statements. 

The application of this amendment did not impact 
the disclosures or amounts recognized in the annual 
financial statements. 

The application of this amendment did not impact 
the disclosures or amounts recognized in the annual 
financial statements. 

The application of this amendment did not impact 
the disclosures or amounts recognized in the annual 
financial statements. 

The application of this amendment did not impact 
the disclosures or amounts recognized in the annual 
financial statements. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(*) Transition to IFRS 16 - Leases 

The new standard replaces IAS 17 – “Leases” and corresponding interpretations, introducing significant changes to lessees, as it 
requires lessees to recognize the liability of future payments and the right of use of leased assets to virtually all lease agreements, 
including operating leases; specific short-term contracts or contracts with small amounts may be excluded from the scope of this 
new standard. 

The Company’s financial statements were impacted as follows: 

a)   recognition of right-of-use assets and lease liabilities in the statement of financial position, initially measured at present value 

of future lease payments; 

b)   recognition of amortization expenses of right-of-use assets and interest expenses on lease liabilities in the income statement; 

and 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

c)    separation of the total cash paid in these transactions between principal (recorded in financing activities) and interest (recorded 

in operating activities) in the statement of cash flows. 

SABESP applied the requirements of IFRS 16 as of the fiscal year beginning on January 1, 2019. To this end, the transition method 
selected by the Company was the modified retrospective approach, whereby the amount referring to the Right-of-Use Asset equals 
the  Lease  Liability,  without  the  cumulative  effect  of  the  initial  application  of  this  new  standard  recorded  as  adjustment  to  the 
opening balance of equity and without the restatement of comparative periods. 

The new lease definitions were applied to all contracts in effect on the transition date. The change in the definition of a lease refers 
mainly to the concept of control. IFRS 16 establishes whether a contract contains a lease based on the fact that customer has the 
right to control an identified asset for a defined period of time in exchange of consideration. 

The  Company’s  Management  analyzed  contracts  (out  of  a  total  of  approximately  20,000  contracts),  evaluating  whether  they 
contained leases in accordance with IFRS 16. This analysis identified mainly impacts related to vehicles and properties leased from 
third parties, corresponding to nearly 95% of the total amount, and less representative amounts arising from other transactions in 
which we identified assets leased individually or in combination in service contracts. 

The recognition of lease expenses of short-term leases (12 months or less) and leases of low-value assets (below RS$ 19) will remain 
on a linear basis, as permitted by IFRS 16. 

On January 1, 2019, the measurement of lease liabilities corresponds to the total future fixed lease payments, adjusted to present 
value,  considering  an  incremental  rate  on  borrowings,  which  corresponds  to  the  incremental  borrowing  rate  applicable  to 
borrowings  or  debt  issues  in  the  local  capital  market,  which  represent  the  financing  of  these  assets  classified  as  right  of  use, 
allocating the assets based on useful life at the incremental borrowing rate per maturity term of each borrowing contract. 

The Company decided to use the practical expedient of using an incremental borrowing rate of 8.97% p.y., based on the respective 
terms for contracts with similar characteristics.  

Regarding  renewals,  the  Company  considered  the  assumptions,  policies  and  internal  regulations,  whose  term  cannot  be 
automatically renewed, and for which extensions will only occur based on an agreement between the parties in cases proven to be 
advantageous and necessary to attain the Company’s interests, i.e. when it is reasonable certain that the option will be exercised. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The Company applied the practical expedient relating to the definition of leases during the transition period. This means that it 
applied IFRS 16 to all agreements signed before January 1, 2019, identified as leases in accordance with IAS 17 and IFRIC 4. 

After carrying out analysis, the Company concluded that on January 1, 2019, 70 contracts fell under the scope of IFRS 16. The 
adoption of this standard increased assets, due to the recognition of the right of use of leased assets, and liabilities, as shown below: 

Impact from first-time adoption of the standard 

Future payments of fixed 
leases 

Impact of the discount 
rate 

Right of use of leased 
assets 

Lease liabilities 

Group 

Vehicles 

Properties 

Equipment 

Other 

Leases (IAS 17)*  

63,795 

7,525 

741 

4,243 

- 

(9,313) 

(1,333) 

(100) 

(603) 

- 

54,482 

6,192 

641 

3,640 

581,388 

646,343  

54,482 

6,192 

641 

3,640 

568,666 

633,621  

Total 
* Leases recognized in accordance with IAS 17 through December 31, 2018. 

76,304 

(11,349) 

See additional information in Notes 14 (k), 16 and 32. 

4.2 New standards, amendments and interpretations to existing standards that are not yet effective 

The Company did not early adopt these standards and is assessing the impacts of the new and revised IFRS below on the disclosures 
or amounts recognized in the financial statements:  

Standard 

Description 

Impact 

IFRS 17 – Insurance Contracts2 

Establishes the principles for the recognition, measurement, presentation and 
disclosure of insurance contracts. 
IFRS 17 will supersede IFRS 4 Insurance Contracts. 

The Company does not expect effects from 
adopting this standard.  

Amendments to IFRS 10 and IAS 28 
– Sale or Contribution of Assets 
between an Investor and its 
Associate or Joint Venture3 

Amendments to IFRS 3 – Definition 
of a Business1 

Clarify situations involving the sale or contribution of assets between an investor 
and its associates or joint venture. 

Clarify that even though businesses normally present outputs (“products”), 
products are not necessary for an integrated set of activities and assets to qualify as 
businesses. To be considered as a business, an acquired set of activities and assets 
must include at least one input and a substantive process that together contribute 
significantly to the ability to create products. 

The Company is assessing the impacts and 
effects of the amendments, however, it does not 
expect material effects from adopting this 
standard. 

The Company does not expect effects from 
adopting this amendment. 

Amendments to IAS 1 and IAS 8 – 
Definition of Material1 

The purpose of the amendments is to facilitate the understanding of the definition 
of material in IAS 1 and not to change the underlying concept of materiality in the 
IFRS Standards. The concept of “hidden” material information by immaterial 
information was included as part of the new definition. 

The Company is assessing the impacts and 
effects of the amendments, however it does not 
expect material effects from adopting this 
standard. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

1 Effective for annual periods beginning on or after January 1, 2020. 
2 Effective for annual periods beginning on or after January 1, 2021. 
3 The effective date for these amendments was deferred indefinitely. 

There are no other standards and interpretations not yet adopted that may, in the opinion of Management, have  a  significant 
impact on the result for the year of equity disclosed by the Company in its financial statements. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

5             Risk Management 

5.1  Financial Risk Management 

Financial risk factors 

The Company's activities are affected by Brazilian economic scenario, making it exposed to market risk (exchange rate and interest 
rate),  credit  risk  and  liquidity  risk.  The  Company’s  financial  risk  management  is  focused  on  the  unpredictability  of  financial 
markets and seeks to minimize potential adverse effects on the Company’s financial performance. 

The Company has not utilized derivative instruments in any of the reported periods. 

(a)       Market risk 

Foreign currency risk 

SABESP’s foreign exchange exposure implies market risks associated with currency fluctuations, since the Company has foreign 
currency-denominated liabilities, mainly US dollar and yen-denominated short and long-term borrowings.  

The management of SABESP’s foreign currency exposure considers several current and projected economic factors, besides market 
conditions. 

This risk arises from the possibility that the Company may incur in losses due to exchange rate fluctuations that would impact 
liability balances of foreign currency-denominated borrowings and financing raised in the market and related financial expenses. 
The Company does not maintain hedge or swap contracts or any derivative financial instrument to hedge against this risk.  

A significant amount of the Company’s financial debt is indexed to the US dollar and Yen, in the total amount of R$6,382,009 as 
of December 31, 2019 (R$6,694,912 as of December 31, 2018). Below, the Company’s exposure to exchange risk: 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

December 31, 2019 

December 31, 2018 

Foreign currency 

R$  Foreign currency 

R$ 

Borrowings and financing – US$ 
Borrowings and financing – Yen 
Interest and charges from borrowings and financing – US$ 
Interest and charges from borrowings and financing – Yen 
Total exposure 
Borrowing cost – US$ 
Borrowing cost – Yen 
Total foreign-currency denominated borrowings (Note 16) 

1,051,881 
56,452,885 

4,239,817 
2,097,225 
32,242 
12,725 
6,382,009 
(20,173) 
(3,038) 
6,358,798 

1,191,152 
57,463,173 

4,615,476 
2,026,726 
40,193 
12,517 
6,694,912 
(22,390) 
(3,113) 
6,669,409 

The  4.7%  decrease  in  foreign  currency-denominated  debt  from  December  31,  2018  to  December  31,  2019  was  mainly  due  to 
decrease of debt in US dollar and Yen, resulting from the amortizations occurred in 2019, mitigated by the increase in exchange 
rates, as shown in the table below: 

December 31, 2019 

December 31, 2018 

Variation 

US$ 

Iene 

R$ 4.0307 

R$ 0.03715 

R$ 3.8748 

R$ 0.03527 

4.0% 

5.3% 

As of December 31, 2019, if the Brazilian real had depreciated or appreciated by 10 percentage points, in addition to the impacts 
mentioned above, against the US dollar and Yen with all other variables held constant, effects on results before taxes on the year 
would have been R$638,201 (R$669,491 as of December 31, 2018), lower or higher, mainly as a result of exchange losses or gains 
on the translation of foreign currency-denominated loans. 

Interest rate risk 

This  risk  arises  from  the  possibility  that  the  Company  could  incur  losses  due  to  fluctuations  in  interest  rates,  increasing  the 
financial expenses related to borrowings and financing. 

The Company has not entered into any derivative contract to hedge against this risk; however continually monitors market interest 
rates, in order to evaluate the possible need to replace its debt.  

F-35 

 
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The table below provides the Company's borrowings and financing subject to variable interest rate: 

CDI(i) 

TR(ii) 

IPCA(iii) 

TJLP(iv) 

LIBOR(v) 

Interest and charges 

Total  

December 31, 2019 

December 31, 2018 

1,866,755 

1,675,203 

1,366,134 

1,381,342 

2,829,073 

105,667 

9,224,174 

1,250,000 

1,637,290 

1,614,595 

1,322,854 

3,259,295 

134,725 

9,218,759 

(i) CDI – (Certificado de Depósito Interbancário), an interbank deposit certificate  
(ii) TR – Interest Benchmark Rate  
(iii) IPCA – (Índice Nacional de Preços ao Consumidor Amplo), a consumer price index  
(iv) TJLP – (Taxa de Juros a Longo Prazo), a long-term interest rate index  
(v) LIBOR – London Interbank Offered Rate 

Another risk to which  the Company is exposed, is the mismatch of monetary restatement indices of its debts  with those  of  its 
service revenues. Tariff adjustments of services provided by the Company do not necessarily follow the increases in the inflation 
indexes to adjust loans, financing and interest rates affecting indebtedness 

As of December 31, 2019, if interest rates on borrowings and financing had been 1 percentage point higher or lower with all other 
92,242  
variables 
(R$  92,188  as  of  December  31,  2018)  lower  or  higher,  mainly  as  a  result  of  lower  or  higher  interest  expense  on  floating  rate 
borrowings and financing. 

constant, 

effects 

before 

would 

profit 

taxes 

been 

have 

held 

the 

R$ 

on 

(b)      Credit risk 

Credit  risk  arises  from  cash  and  cash  equivalents,  deposits  in  banks  and  financial  institutions,  as  well  as  credit  exposures  to 
wholesale  basis  and  retail  customers,  including  outstanding  accounts  receivable,  restricted  cash  and  accounts  receivable  from 
related parties. Credit risk exposure to customers is mitigated by sales to a dispersed base. 

The maximum exposures to credit risk as of December 31, 2019 are the carrying amounts of instruments classified as cash and 
cash  equivalents,  deposits  in  banks  and  financial  institutions,  restricted  cash,  trade  receivables  and  accounts  receivable  from 
related parties in the balance sheet date. See additional information in Notes 7, 8, 9 and 10.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Regarding the financial assets held with financial institutions, the credit quality that is not past due or subject to impairment can 
be assessed by reference to external credit ratings (if available) or to historical information about the bank’s default rates. For the 
credit quality of the banks, such as deposits and financial investments, the Company considers the lower rating published by 
three main international rating agencies (Fitch, Moody's and S&P), according to internal policy of market risk management: 

Cash and cash equivalents 
AA+(bra) 
AAA(bra) 
Other (*) 

December 31, 2019 

December 31, 2018 

2,193,725  
41,992  
17,493  

2,253,210  

2,966,080 
45,430 
17,681 

3,029,191 

(*) This category includes current accounts and investment funds in banks whose balances were not significant, and after assessing 
the impact of IFRS 9, concluded that expected losses are not material. 

The available credit rating information of the banks, as at December 31, 2019, in which the Company made deposit transactions 
and financial investments in local currency (R$ - domestic rating) during the year is as follows: 

Banks 
Banco do Brasil S/A 
Banco Santander Brasil S/A 
Brazilian Federal Savings Bank 
Banco Bradesco S/A 
Itaú Unibanco Holding S/A 

Fitch 
AA(bra) 
- 
AA(bra) 
AAA(bra) 
AAA(bra) 

Moody's 
Aa1.br 
Aaa.br 
Aa1.br 
Aa1.br 
Aa1.br 

Standard Poor's 
- 
brAAA 
brAAA 
brAAA 
brAAA 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(c)  Liquidity risk  

The Company's liquidity is primarily reliant upon cash provided by operating activities and borrowings and financing obtained in 
the  domestic  and  international  capital  markets. The  liquidity  risk  management  considers  the  assessment  of  its  liquidity 
requirements to ensure it has sufficient cash to meet its operating and capital expenditures needs, as well as the payment of debts. 

The  funds  held  by  the  Company  are  invested  in  interest-bearing  current  accounts,  time  deposits  and  securities,  selecting 
instruments with appropriate maturity or liquidity sufficient to provide margin as determined by projections mentioned above. 

The table below shows the financial liabilities of the Company, by relevant maturities, including the installments of principal and 
future  interest  to  be  paid  according  to  the  agreement.  Future  interest  was  calculated  based  on  the  contractual  clauses  for  all 
agreements. For agreements with floating interest rate, the interest rates used correspond to the base dates above. 

2020 

2021 

2022 

2023 

2024 

2025 
onwards 

Total 

As of December 31, 2019 

Liabilities 
Borrowings and financing 
Accounts payables to suppliers and contractors 
Services payable 
Public-Private Partnership – PPP 
Program contract commitments 

Cross default 

3,303,736 
369,631 
474,078 
383,421 
276,580 

1,574,711 
- 
- 
383,421 
46,733 

1,595,436 
- 
- 
383,421 
31,983 

1,317,996 
- 
- 
383,421 
31,983 

1,574,770 
- 
- 
338,765 
1,014 

6,715,873 
- 
- 
4,615,324 
13,771 

16,082,522 
369,631 
474,078 
6,487,773 
402,064 

The Company has borrowings and financing agreements including cross default clauses, e.g., the early maturity of any debt, may 
imply the early maturity of these agreements. The indicators are continuously monitored in order to avoid the execution of these 
clauses and the more restrictive are showed in Note 16 (d). 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

5.2 Capital management  

The Company’s objectives when managing capital are ensure its ability to continue as a going concern in order to provide returns 
for shareholders and benefits for other stakeholders, and to maintain an optimal capital structure to reduce the cost of capital. 

The Company monitors capital based on the leverage ratio. This ratio corresponds to net debt divided by total capital (shareholders 
and providers of capital). Net debt corresponds to total borrowings and financing less cash and cash equivalents. Total capital is 
calculated as total equity as shown in the statement of the financial position plus net debt. 

December 31, 2019 

December 31, 2018  

Total borrowings and financing (Note 16) 
(-) Cash and cash equivalents (Note 7) 

Net debt 
Total equity 

Total capital (shareholders + providers of capital) 

Leverage ratio 

13,244,709 
(2,253,210) 

10,991,499 
21,635,783 

32,627,282 

34% 

13,152,796 
(3,029,191) 

10,123,605 
19,551,688 

29,675,293 

34% 

As of December 31, 2019, the leverage ratio remained at 34% compared to December 31, 2018, mainly due to the increase in equity, 
generated by the 2019 earnings retention, which was mitigated by the decrease of cash and cash equivalents. 

5.3 Fair value estimates 

The Company considers that balances from trade receivables (current) and accounts payable to suppliers by carrying amount, less 
impairment approximate their fair values, considering the short maturity. Long-term trade receivables also approximate their fair 
values, as they will be adjusted by inflation and/or will bear contractual interest rates over time. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

5.4 Financial instruments 

The Company did not have financial assets classified as fair value through other comprehensive income and fair value through 
profit or loss. The Company’s financial instruments included in the amortized cost category comprise cash and cash equivalents, 
restricted cash, trade receivables, balances with related parties, other receivables, and balances receivable from the Water National 
Agency  –  ANA,  accounts  payable  to  contractors  and  suppliers,  borrowings  and  financing,  services  payable,  balances  payable 
deriving from the Public Private Partnership-PPP and program contract commitments, which are non-derivative financial assets 
and liabilities with fixed or determinable payments, not quoted in an active market. 

The estimated fair values of financial instruments are as follows: 

Financial assets 

   Cash and cash equivalents 
   Restricted cash 
   Trade receivables 
   Water National Agency – ANA  
   Other receivables  

December 31, 2019 

December 31, 2018 

Carrying amount 

Fair value 

Carrying amount 

Fair value 

2,253,210 
26,018 
2,353,027 
32,466 
194,178 

2,253,210 
26,018 
2,353,027 
32,466 
194,178 

3,029,191 
31,900 
2,052,416 
49,136 
180,681 

3,029,191 
31,900 
2,052,416 
49,136 
180,681 

Additionally, SABESP has financial instrument assets receivables from related parties, in the amount of R$850,896 as of December 
31,  2019  (R$843,250  as  of  December  31,  2018),  which  were  calculated  in  accordance  with  the  conditions  negotiated  between 
related parties. The conditions and additional information referring to these financial instruments are disclosed in Note 10 to the 
financial  statements.  Part  of  this  balance,  in  the  amount  of  R$747,579  (R$737,503  as  of  December  31,  2018),  refers  to 
reimbursement of additional retirement and pension plan - G0 and is indexed by IPCA plus simple interest of 0.5% p.m. This 
interest rate approximates that one practiced by federal government bonds (NTN-b) with terms similar to those of related-party 
transactions. 

The agreement with the municipality of Santo André was recorded considering the Level 3 fair value hierarchy, due to the fact that 
this transaction is unobservable under market conditions, i.e., the inputs were not based on market data. All recurring and non-
recurring transactions carried out by the Company, when classified at Level 3, are assessed by SABESP’s Controllership, in order 
to assess unobservable data and any valuation adjustments. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Financial liabilities 

December 31, 2019 

December 31, 2018 

Carrying amount 

Fair value 

Carrying amount 

Fair value 

   Borrowings and financing 
   Accounts payables to suppliers and contractors 
   Services payable 
   Program contract commitments 
   Public-Private Partnership - PPP 

13,244,709 
369,631 
474,078 
377,253 
3,293,980 

13,937,611 
369,631 
474,078 
377,253 
3,293,980 

13,152,796 
465,993 
454,022 
373,009 
3,413,124 

13,116,684 
465,993 
454,022 
373,009 
3,413,124 

To obtain fair value of borrowings and financing, the following criteria have been adopted: 

(i)       Agreements with Banco do Brasil and CEF (Brazilian Federal Savings Bank) were projected until their final maturities, at 

contractual rates (projected TR + spread) and discounted at present value by TR x DI, both rates were obtained from B3.  

(ii)      Debentures  were  projected  up  to  the  final  maturity  date  according  to  contractual  rates  (IPCA,  DI,  TJLP  or  TR),  and 
discounted to present value considering the future interest rate published by ANBIMA in the secondary market, or by market 
equivalent rates, or the Company’s share traded in the Brazilian market.  

(iii)   BNDES loans are financial instruments valued at carrying amount plus contractual interest rate until the maturity date, and 

are indexed by long term interest rate – TJLP.  

These financing have specific characteristics and the conditions defined in the financing agreements with BNDES between 
independent parties, and reflect the conditions for those types of loan. In Brazil, a consolidated market of long-term debts 
does not exist with the same characteristics of BNDES financing, the offering of credit to the entities in general, with this 
long-term characteristic, usually is restricted to BNDES. 

(iv)   Other  financing  in  local  currency  are  considered  by  carrying  amount  plus  contractual  interest  rate  until  maturity  date, 

discounted to present value considering a future interest rate published by B3.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(v)     Agreements with BID and IBRD, were projected until final maturity in origin currency, applying interest rates contracted, 
discounted at present value at Libor futures rate, obtained from Bloomberg. Eurobonds was priced at market value through 
quotes  published  by  Bloomberg.  All  the  amounts  obtained  were  translated  into  Brazilian  reais  at  the  exchange  rate  of 
December 31, 2019.  

(vi)   Agreements with JICA, were projected until final maturity in origin currency, using interest rates contracted and discounted 
at present value, at Tibor futures rate obtained from Bloomberg. The amounts obtained were translated into Brazilian reais 
at the exchange rate of December 31, 2019.  

(vii)  Leases and leases based on IFRS 16 are financial instruments considered by face value restated until maturity date, whose 
characteristic is the indexation by fixed contractual rate. Thus, the Company discloses as market value, the amount recorded 
as of December 31, 2019. 

Financial instruments referring to investments and borrowings and financing are classified as Level 2 in the fair value hierarchy. 

Considering  the  nature  of  other  financial  instruments,  assets  and  liabilities  of  the  Company,  the  balances  recognized  in  the 
statement of financial position approximate the fair values, taking into account the maturities close to the end of the reporting 
date, comparison of contractual interest rates with market rates in similar operations at the end of the reporting periods, their 
nature and maturity terms. 

6             Key accounting estimates and judgments 

The preparation of the financial statements requires management to make certain judgments and use assumptions and estimates 
based on experience and other factors considered relevant, which affect the values of assets and liabilities and which may present 
results that differ from actual results. 

The significant judgment made by the Company is related to the recognition of revenue. 

The areas that require a higher level of judgment and have greater complexity, as well as the areas in which assumptions  and 
estimates are significant for the financial statements, are disclosed below: 

(a)         Allowance for doubtful accounts 

The Company establishes an allowance for doubtful accounts in an amount that Management considers sufficient to cover expected 
losses (see Note 9 (c)), based on an analysis of trade receivables, in accordance with the accounting policy stated in Note 3.4. 

F-42 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The  methodology  for  determining  the  allowance  for  doubtful  accounts  receivable  requires  significant  estimates,  considering  a 
number of factors including historical receipt experience, current economic trends, estimates of forecast write-offs, the aging of 
the  accounts  receivable  portfolio  and  expectation  of  future  losses.  While  the  Company  believes  that  the  assumptions  used  are 
reasonable, actual results could be different. 

(b)         Intangible assets arising from concession and program contracts 

The Company recognizes as intangible assets those arising from concession agreements. The Company estimates the fair value of 
construction and other work on the infrastructure to recognize the cost of the intangible asset, upon completion of the construction 
and provided that it will generate future economic benefits. The great majority of the Company's contracts for service concession 
agreements entered with each grantor is under service concession agreements in which the Company has the right to receive, at 
the end of the contract, a payment equivalent to the unamortized asset balance of the concession intangible asset, which in this 
case, are amortized over the useful life of the underlying physical assets, thus at the end of the contract, the remaining value of the 
intangible would be equal to the residual value of the related fixed asset. 

Concession intangible assets under Concession agreements, Service contracts and Program contracts, in which, at the end of the 
contract, the Company has no right to receive a payment equivalent to the unamortized asset balance of the concession intangible, 
are amortized on a straight-line basis over the useful life of asset or contract period, which occurs first. Additional information on 
the accounting for intangible assets arising from concession agreements are described in Notes 3.8 and 14. 

The recognition of fair value for the intangible assets arising on concession agreements is subject to assumptions and estimates, 
and the use of different assumptions could affect the balances recorded. Different assumptions and estimates and changes in the 
useful lives of the intangible assets may have relevant impacts on the results of operations.  

(c)          Pension benefits 

The Company sponsors the defined benefit plan and the defined contribution plan, as described in Note 20. 

The liability recognized in the balance sheet in relation to defined benefit pension plans is the present value of defined benefit 
obligation on the balance sheet date, less the fair value of plan’s assets. The benefit obligation is calculated yearly by independent 
actuaries, applying the projected credit unit method. The present value of defined benefit obligation is determined by discounting 
the estimated future cash outflows, using interest rates compatible with the market, which are denominated in currency in which 
benefits will be paid and with maturity terms close to those of corresponding pension plan obligation.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(d)         Deferred income tax and social contribution 

The  Company  recognizes  and  settles  taxes  on  income  based  on  the  results  of  operations  verified  according  to  the  Brazilian 
Corporation  Law,  taking  into  consideration  the  provisions  of  the  tax  laws.  The  Company  recognizes  deferred  tax  assets  and 
liabilities based on the differences between the accounting balances and the tax bases of assets and liabilities.  

The Company regularly reviews the recoverability of deferred tax assets and recognizes a provision for impairment if it is probable 
that these assets will  not be realized, based on the historic taxable income, in the projection of future taxable income  and the 
estimated period of reversing temporary differences. These calculations require the use of estimates and assumptions. The use of 
different estimates and assumptions could result in provision for impairment of all or a significant amount of deferred tax assets. 
Additional information related to deferred taxes is described in Note 18. 

(e)          Provisions  

The provisions for civil, labor, environmental and tax risks are recorded based on Note 3.14. Judgments regarding future events 
may differ significantly from actual estimates and could exceed the amounts provisioned. Provisions are revised and adjusted to 
take into consideration changes in circumstances involved. Additional information of these legal proceedings are disclosed in Note 
19. 

7             Cash and cash equivalents 

Cash and banks 
Cash equivalents 
Total 

December 31, 2019 

December 31, 2018  

176,497 
2,076,713 
2,253,210 

151,558 
2,877,633 
3,029,191 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Cash and cash equivalents include cash, bank deposits and high-liquidity short-term financial investments, mainly represented by 
repurchase agreements (accruing CDI interest rates), whose original maturities are lower than three months, which are convertible 
into  a  cash  amount  and  subject  to  an  insignificant  risk  of  change  in  value,  deposited  in  a  fund,  in  which  SABESP  is  exclusive 
quotaholder, at Banco do Brasil. 

The fund is intended, exclusively, to receive funds from SABESP, and as of December 31, 2019, it was essentially composed of 
investments in governments bonds, repurchase agreements and fixed income financial assets. 

Due to SABESP is the exclusive quotaholder and has control over the fund, it should be consolidated in the Company's financial 
statements, however, due to the fact that 99% of the balance has already been presented in SABESP's financial statements under 
the  items  of  cash  and  cash  equivalents  and  the  magnitude  of  the  remaining  balance,  referring  to  the  administration  and 
maintenance expenses of the fund, is irrelevant (R$ 205), the Company chose not to present the balances between Parent Company 
and  Consolidated  due  to  the  fact  that  there  is  no  significant  difference  between  such  balances  and  for  not  generating  relevant 
disclosure to users of the financial statements. 

The average yield of cash equivalents corresponds to 98.02% of CDI in December 2019 (98.28% in December 2018). 

8             Restricted cash 

Agreement with the São Paulo municipal government (i) 
Brazilian Federal Savings Bank – escrow deposits (ii) 
Other 

December 31, 2019 

December 31, 2018 

17,068 
2,245 
6,705 
26,018 

19,977 
5,880 
6,043 
31,900 

(i)    Refers to the amount deducted from the 7.5% of municipal revenue transferred to the Municipal Fund, corresponding to 
eventual  amounts  unpaid  by  direct  management  bodies,  foundations  and  government  agencies,  as  established  in  the 
agreement entered into with the municipal government of São Paulo; and 

(ii)   Refers to savings account for receiving escrow deposits regarding lawsuits with final and unappealable decisions in favor 

of the Company, which are blocked as per contractual clause. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

9             Trade receivables  

(a)      Financial position balances 

Private sector: 
General (i) and special (ii) customers 
Agreements (iii) 

Government entities: 
Municipal 
Federal 
Agreements (iii) 

Wholesale customers – Municipal governments: (iv) 
Mogi das Cruzes 
São Caetano do Sul  

Total wholesale customers – Municipal governments 

Unbilled supply 

Subtotal 
Allowance for doubtful accounts 

Total  

Current 
Noncurrent  

December 31, 2019 

December 31, 2018 

1,505,150 
378,341 

1,883,491 

472,666 
2,805 
277,047 

752,518 

3,278 
9,871 

13,149 

745,884 

3,395,042 
(1,042,015) 

2,353,027 

2,137,752 
215,275 

2,353,027 

1,372,667 
347,679 

1,720,346 

575,733 
3,876 
274,906 

854,515 

3,056 
2,869 

5,925 

571,072 

3,151,858 
(1,099,442) 

2,052,416 

1,843,333 
209,083 

2,052,416 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(i)    General customers - residential and small and mid-sized companies 

(ii)   Special  customers  -  large  consumers,  commercial,  industries,  condominiums  and  special  billing  consumers  (fixed 

demand agreements, industrial waste, wells, etc.). 

(iii) Agreements - installment payments of past-due receivables, plus monetary adjustment and interest, according to the 

agreements. 

(iv)  Wholesale  basis  customers  -  municipal  governments  -  This  balance  refers  to  invoices  issued  as  a  result  of  services 
provided to municipalities, which are responsible for distributing to, billing and charging final customers. The balance 
presented does not include the municipality of Mauá, as it is questioning in court the tariffs charged. Therefore, SABESP 
did not record revenues and receivables of this municipality, due to low expectation of realization, in accordance with 
IFRS 15 and IFRS 9, as the Company does not believe that it is likely that it will receive the consideration it is entitled to 
in exchange for the services transferred to the municipalities.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

        The historical value of unrecognized receivables from these municipalities is as follows: 

December 31,  
2019 

Wholesale customers – Municipal governments: 
Mauá 
Santo André (*) 
Total 

677,298 
- 
677,298 

December 31,  
2018 

601,910 
1,164,399 
1,766,309 

(*)  Agreement with the municipality of Santo André 

On July 31, 2019, the Company entered into a debt payment and receipt Consent Decree with the Municipality of Santo 
André  (“Santo  André”)  and  the  Santo  André  Municipal  Water  and  Sanitation  Service  (SEMASA),  aiming  to  settle 
SEMASA’s existing debt upon the transfer of sanitation services to SABESP for 40 years. 

On the same date, the São Paulo State, the Municipality of Santo André and SABESP signed the Public Service Provision 
Agreement of Water Supply and Sewage Services in the Municipality of Santo André, through which the São Paulo State 
and the Municipality of Santo André granted SABESP the right to provide services for a period of 40 years. 

Due to the signature of the service agreement the Company recognized as revenue, under the fair value method, the 
amount of R$ 1,336,908, and the respective trade receivable was given as payment for the transfer of sanitation 
services for a 40-year period and incorporated into the intangible assets. 

Due to the service transfer, the Company paid R$ 70,000 to settle administrative costs and terminate the services provided 
by SEMASA. Additionally, R$ 90,000 was transferred in two annual installments, the first of which due 30 days after the 
signature of the agreement, and the second by February 28, 2020; these amounts shall be allocated to sanitation initiatives. 
The total amount of R$ 160,000 was recorded in intangible assets against current liabilities. 

From the first quarter of 2021, 4% of gross revenue earned in the municipality by SABESP, net of Cofins/Pasep, ARSESP’s 
Regulation,  Control  and  Oversight  Fee  (TRCF)  and  any  business  charges  levied  on  revenue,  will  be  allocated  to 
environmental sanitation, housing, drainage and other urban infrastructure services in the Municipality. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Receivables mentioned above, that were discussed in court, in the form of registered warrants, will be held as collateral of 
compliance with the Adjustment Instrument. The payment of the registered warrants will be suspended during the term 
of the Decree. 

The amount collateralized will be progressively reduced according to the following rules: 

•         Until the seventh (7th) anniversary of the signature date of the Agreement, Credits 1 and 2 will be reduced 
by an amount equivalent to one eighty-fourth (1/84) per full month, releasing the collateralized amount 
related to Credit 1 followed by the amount related to Credit 2; 

•         After the seventh (7th) anniversary and up to the twelfth (12th) anniversary of the Agreement’s signature 
date,  Credits  3  and  4  will  be  reduced  by  an  amount  equivalent  to  one-sixtieth  (1/60)  per  full  month, 
releasing the collateralized amount related to Credit 3 followed by the amount related to Credit 4; 

•         After the twelfth (12th) anniversary and up to the twenty-seventh (27th) anniversary of the Agreement’s 
signature date, Credit 5 will be reduced by an amount equivalent to one-one hundred and eightieth (1/180) 
per full month; 

•         After the twenty-seventh (27th) anniversary and up to the thirty-fifth (35th) anniversary of the Agreement’s 
signature date, Credits 6 and 7 will be reduced by an amount equivalent to one ninety-sixth (1/96) per full 
month, releasing the collateralized amount related to Credit 6 followed by the amount related to Credit 7; 

•          After  the  thirty-fifth  (35th)  anniversary  and  up  to  the  fortieth  (40th)  anniversary  of  the  Agreement’s 
signature date, Credits 8 and 9 will be reduced by an amount equivalent to one-sixtieth (1/60) per full 
month, releasing the collateralized amount related to Credit 8 followed by the amount related to Credit 9. 

The measurement of the non-recurring fair value for the transaction with Santo André was categorized within level 3 of 
the fair value hierarchy, in its initial recognition, in the amount of R$ 1,336,908. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The Company considered the discounted cash flow technique to carry out the evaluation, based on the judgment that the 
market participants could and / or should apply. The discounted cash flow considered the present value of the net cash 
flows expected to be generate with the Company’s assumption water supply and sewage services for a period of 40 years, 
taking into consideration the following unobservable inputs: 

•  Average  tariff  and  average  volume  of  water  and  sewage  by  economy  based  on  SEMASA’s  average  consumption 

histogram, referring to the period between January and December 2018; 

• Indirect revenues based on historical data of the municipalities operated by SABESP in the Metropolitan Region of 

São Paulo; 

• Average unit cost of the Metropolitan Region of São Paulo with synergy, due to economies of scale and the use of 
existing structures at SABESP (administrative and operational); 
• Personnel costs - in the first two years, considering the payment of employees assigned by SEMASA; 

• Costs and investments in the integrated metropolitan supply system prorated based on the volume of water supplied 

to the municipality; 

• Exclusive investments by the municipality following the Municipal Sanitation Plan; 

• Complementary investments to be made by the municipality and paid by SABESP, corresponding to na installment 

of R$ 90 million in the first year, plus 4% of net revenue as of the second year; 

• Projected cash flow discount rate - 8.11% per year (WACC). 

(b)      The aging of trade receivables is as follows 

December 31, 2019 

December 31, 2018 

Current 
Past-due: 
Up to 30 days 
From 31 to 60 days 
From 61 to 90 days 
From 91 to 120 days 
From 121 to 180 days 
From 181 to 360 days 
Over 360 days 

Total past-due 

Total  

1,449,927 

330,310 
145,153 
83,679 
54,486 
89,740 
44,856 
953,707 

1,701,931 

3,151,858 

1,762,606 

330,488 
164,913 
86,765 
58,971 
81,003 
33,206 
877,090 

1,632,436 

3,395,042 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The increase in the current balance was mainly due to the assumption of the provision of sanitation services to the municipalities 
of Guarulhos and Santo André, as well as by the 4.39% tariff increase. 

(c)      Allowance for doubtful accounts      

December 31, 2019 

December 31, 2018 

December 31, 2017 

Balance at beginning of the year  

Private sector /government entities 

Recoveries 

1,099,442 

54,064 
(111,491) 

1,067,973 

61,315 
(29,846) 

1,068,747 

75,973 
(76,747) 

Net additions for the year 

(57,427) 

31,469 

(774) 

Balance at the end of the year 

1,042,015 

1,099,442 

1,067,973 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Reconciliation of estimated/historical losses of income 

December 31, 2019 

December 31, 2018 

December 31, 2017 

Write-offs 

(Losses)/reversal with state entities - related parties 

(Losses) with private sector / government entities 

(Losses)/reversal with wholesale customers 

Recoveries 

(179,929) 

(5,597) 

(54,064) 

- 

111,491 

(184,555) 

1,294 

(61,315) 

(29,458) 

107,307 

(171,729) 

21,510 

(75,973) 

9,781 

133,730 

Amount recorded expense 

(128,099) 

(166,727) 

(82,681) 

The Company does not have customers representing 10% or more of its total revenues. 

10           Related-Party Balances and Transactions 

(a)      Accounts receivable, interest on capital payable, revenue and expenses with GESP 

Accounts receivable 
Current: 
   Sanitation services (i) 
   Allowance for losses (i) 
   Reimbursement for retirement and pension benefits paid (G0): 
      - monthly flow (payments) (ii) and (vi) 
      - GESP Agreement – 2015 (iv) 

Total current 

Noncurrent: 
    Agreement for the installment payment of sanitation services 
   Reimbursement for retirement and pension benefits paid (G0): 
      - GESP Agreement – 2015 (iv) 

Total noncurrent 

Total receivables from shareholders 

Assets: 
Sanitation services 
Reimbursement of additional retirement and pension benefits (G0) 

Total 

Liabilities: 
Interest on capital payable to related parties 

December 31, 2019 

December 31, 2018 

131,851 
(39,417) 

122,522 
(33,820) 

31,584 
                                      68,888 

22,926 
                                         62,520 

192,906 

10,883 

647,107 

657,990 

850,896 

103,317 
747,579 

850,896 

401,963 

174,148 

17,045 

652,057 

669,102 

843,250 

105,747 
737,503 

843,250 

338,407 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Revenue from sanitation services 
Payments received from related parties 

2019 

2018 

2017 

556,574 
(546,365) 

501,146 
(509,672) 

462,989 
(471,081) 

Receipt of GESP reimbursement referring to Law 4,819/58 

(152,112) 

(173,516) 

(192,889) 

(i)      Sanitation services 

The Company provides water supply and sewage services to the São Paulo State Government and other companies related to it in 
accordance with usual market terms and conditions, as considered by management, except for the settlement of credits which can 
be made according to items (iii) of this Note.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The Company recognized R$39,417 as of December 31, 2019 (R$33,820 as of December 31, 2018 and R$35,114 as of December 31, 
2017) as allowance for losses in accordance of IFRS 9. 

(ii)    Reimbursement of additional retirement and pension benefits paid  

Refers to amounts of supplementary retirement and pension benefits provided for in State Law 4,819/58 ("Benefits") paid by the 
Company to former employees and pensioners, referred to as Go. 

Under the Agreement referred on item (iii) GESP recognizes its liability from charges arising from the Benefits, provided that the 
payment criteria set forth by the State Department of Personnel (DDPE), based on legal guidance of the Legal Consultancy of the 
Department of Finance and of the State Attorney General's Office (PGE). 

As discussed on item (vi), during the assessment of the debt due from GESP to the Company there were certain divergences in the 
calculation and eligibility criteria of the benefits paid by the Company on behalf of GESP. 

See additional information about the Go plan in Note 20 (b) (iii). 

In January 2004, the payments of supplement retirement and pension benefits were transferred to the Department of Finance and 
would be made in accordance with the calculation criteria determined by the PGE. As a result of a court decision, the responsibility 
for making the payments returned to SABESP, as originally established. 

(iii)     GESP Agreement 

On December 11, 2001, the Company, the São Paulo State Government (through the State Department of Finance Affairs, currently 
Department of Finance) and the Water and Electricity Department (DAEE), with the intermediation of the State Department of 
Sanitation and Energy (former Department of Water Resources, Sanitation and Construction Works), entered into the Obligations, 
Payment  Commitment  and  Other  Covenants  Acknowledgement  and  Consolidation  Agreement  ("GESP  Agreement")  for  the 
settlement of outstanding debts between GESP and the Company related to sanitation services and to the retirement benefits. 

In view of the strategic importance of the Taiaçupeba, Jundiaí, Biritiba Mirim, Paraitinga and Ponte Nova reservoirs for ensuring 
and maintaining the Alto Tietê water volume, the Company agreed to receive them as partial repayment of the reimbursement 
related to the Benefits. The DAEE would transfer the reservoirs to the Company, replacing the amount owed by GESP. However, 
the São Paulo State Public Prosecution Office challenges the legal validity of this agreement, and its main argument is the lack of 
bidding and the absence of a specific legislative authorization for disposal of DAEE's assets. There is an unfavorable decision to 
SABESP not yet unappealable. See additional information in item (iv) below. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

On March 22, 2004, the Company signed the first amendment to the GESP Agreement, settling the amounts due by the São Paulo 
State  Government  for  water  supply  and  sewage  services  provided,  monetarily  adjusted  through  February  2004;  and  formally 
authorizing the offset of amounts due by the São Paulo State Government with interest on capital declared by the Company and 
any other debt owed to the São Paulo State Government as of December 31, 2003, monetarily adjusted through February 2004; 
and defining the payment conditions of the remaining liabilities of the São Paulo State Government for the receipt of the water 
supply and sewage services. 

On December 28, 2007, the Company and the São Paulo State Government, represented by the Department of Finance, signed the 
second amendment to the terms of the original GESP Agreement, agreeing upon the payment in installments of the remaining 
balance of the First Amendment. In December 2012 the last installment was paid.  

On November 17, 2008, GESP, SABESP and DAEE signed the third amendment to the GESP Agreement, through which GESP 
recognized a debt balance payable to SABESP of R$915,251, monetarily adjusted until September 2008 in accordance with the 
fluctuation of the IPCA-IBGE, corresponding to the Undisputed Reimbursement, determined by FIPECAFI. SABESP accepted on 
a provisional basis the reservoirs as part of the payment of the Undisputed Reimbursement and offered to GESP a provisional 
settlement, recognizing a credit totaling R$696,283, corresponding to the value of the reservoirs in the Alto Tietê system.  

The Company did not recognize the reimbursement receivable of R$696,283 related to the reservoirs, as it is not virtually certain 
that will be transferred by the State. In March 2015, Sabesp and GESP entered into an agreement to pay the amounts receivable, 
totaling R$696,283 (more information in item (iv) of this note).  

In addition, the third amendment provides for the regularization of the monthly flow of benefits.  While SABESP is liable for the 
monthly payment of benefits, the State shall reimburse SABESP based on the criteria identical to those applied when determining 
the Undisputed Reimbursement.  Should there be no preventive court decision, the State will assume the flow of monthly payment 
of benefits portion deemed as undisputed. 

(iv)      Agreement with the São Paulo State Government entered into in 2015 

On March 18, 2015, the Company, the State of São Paulo and the Department of Water and Electricity (DAEE), and the Sanitation 
and Water Resources Department as the intervening party, entered into a Term of Agreement in the amount of R$1,012,310, of 
which R$696,283 refer to the principal of the Undisputed Amount mentioned in item (iii) and R$316,027 corresponding to the 
inflation adjustment of the principal until February 2015. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The Principal Amount will be paid in 180 installments, as follows: 

•    The  first  24  installments  were  settled  by  immediately  transferring  2,221,000  preferred  shares  issued  by  Companhia  de 
Transmissão de Energia Elétrica Paulista - CTEEP, totaling R$87,174, based on the share closing on March 17, 2015, which 
were sold on April 20, 2016; and 

•         The amount of R$609,109, payable in 156 monthly installments, was adjusted by IPCA (Extended Consumer Price Index) 
until the initial payment date, on April 5, 2017. As of this date, installments are being adjusted by IPCA plus simple interest 
of 0.5% per month. 

Considering the lawsuit which objects the possibility of transferring the reservoirs is pending final and unappealable court decision, 
the agreement also provides for the following situations: 

•         If transfer is possible and the Reservoirs are effectively transferred to SABESP and registered at the notary’s office, SABESP 
will reimburse to the State the amounts paid in replacement of Reservoirs (Principal Amount) in 60 monthly installments 
adjusted by IPCA until the date of payment of each installment; and 

•    If the transfer of Reservoirs is not possible, the State will pay to SABESP, in addition to the Principal Amount, the inflation 
adjustment credit  of R$316,027 in 60 installments, starting these payments at the end of Principal Amount installment 
payment. The amount will be adjusted by IPCA to the start date of payments and, as of this date, IPCA will be incurred plus 
0.5% simple interest rates/month over the amount of each installment. 

As of December 31, 2019, the balance receivable totaled R$ 68,888 in current assets (R$ 62,520 as of December 31, 2018) and 
R$ 647,107 in noncurrent assets (R$ 652,057 December 31, 2018). 

(v) Disputed Amounts 

As mentioned before, on November 17, 2008 the Company and the State signed the third amendment to the GESP Agreement, 
when the reimbursements called disputed and undisputed were quantified. The amendment established the efforts to calculate the 
so-called  Disputed  Reimbursement  of  the  Benefits.  Under  the  fourth  clause  of  the  amendment,  the  Disputed  Reimbursement 
represents the difference between the Undisputable Reimbursement and the amount actually paid by the Company as pension 
benefits and pensioners set out in Law 4,819/58, for which, the Company understands, the State of São Paulo is originally liable, 
but paid by SABESP under a court order. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

By entering into the third amendment, the State's Legal Representative (PGE) agreed to reassess the differences that gave rise to 
the Disputed Amount of benefits set out in Law 4,819/58. At the time, the expectation was based on the willingness of the PGE to 
reanalyze the issue and the implied right of the Company to the reimbursement, including based on opinions from outside legal 
advisors. 

However,  the  latest  opinions  issued  by  the  PGE  and  received  on  September  4  and  22,  2009  and  January  4,  2010,  refute  the 
reimbursement of previously defined as Disputed Amount.  

Even though the negotiations with the State are still in progress, it is not possible to assure that the Company will recover the 
disputed receivables without dispute. 

As part of the actions intended to recover the receivables that management considers due by the State, related to discrepancies in 
the  reimbursement  of  the  pension  benefits  paid  by  the  Company,  SABESP: (i)  on  March  24,  2010,  reported  to  the  controlling 
shareholder the official letter approved by the executive committee, proposing that the matter be discussed at the São Paulo Stock 
Exchange (B3) Arbitration Chamber; (ii) in June 2010, presented to Department of Finance a proposal to solve the outstanding 
items, such proposal was not accepted; (iii) on November 9, 2010, filed a judicial action against the State of São Paulo pleading the 
entire reimbursement related to employee benefits set out in Law 4,819/58 to finalize the discussion between the Company and 
GESP. Despite the legal action, the expectation of which is a possible gain, the Company will persist to obtain an agreement with 
GESP since the management believes that it is the best course of action to the Company and to its shareholders than waiting until 
the end of the lawsuit. 

As of December 31, 2019 and 2018, the disputed amounts between SABESP and GESP, corresponding to additional retirement 
and  pension  benefits  paid  (Law  4,819/1958),  totaled  R$  1,195,217  and  R$  1,107,104,  respectively.  The  Company  recorded 
allowances for doubtful accounts for such amounts. 

(vi)      Actuarial liability 

The Company also recognized an actuarial liability corresponding to additional retirement and pension benefits paid to employees, 
retired employees and pensioners of Plan G0. As of December 31, 2019 and 2018, the amounts corresponding to the actuarial 
liability totaled R$ 3,046,255 and R$ 2,606,107, respectively. For more information on additional retirement and pension benefits, 
see Note 20 (b). 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(b)      Use of reservoirs – EMAE    

Empresa Metropolitana de Águas e Energia S.A. - EMAE planned to receive for the credit and obtain financial compensation for 
alleged past and future losses in electricity generation, due to water collection, and compensation for costs already incurred and 
to be incurred with the operation, maintenance and inspection of the Guarapiranga and Billings reservoirs used by SABESP in its 
operations. 

On October 28, 2016, the Company entered into an agreement based on a Private Transaction Agreement and Other Adjustments 
aimed to fully and completely settle the disputes involving the two companies and the SABESP will continue using the reservoirs. 

As  of  December  31,  2019,  the  Company  recorded  R$16,653  and  R$87,231  in  Other  Liabilities,  under  current and  noncurrent 
liabilities, respectively (in December 31, 2018, R$16,055 and R$90,518). In 2019, the Company paid the amount of R$17,246. 

(c)      Agreements with reduced tariffs with State and Municipal Government Entities that joined the Rational 
Water Use Program (PURA)  

The  Company  has  signed  agreements  with  government  entities  related  to  the  State  Government  and  municipalities  where  it 
operates that benefit from a reduction of 25% in the tariff of water supply and sewage services when they are not in default. These 
agreements provide for the implementation of the rational water use program, which takes into consideration the reduction in 
water consumption. 

(d)      Guarantees 

The State Government provides guarantees for some borrowings and financing of the Company and does not charge any fee with 
respect to such guarantees. 

(e)     Personnel assignment agreement among entities related to GESP 

The Company has personnel assignment agreements with entities related to the State Government, whose expenses are fully passed 
on and monetarily reimbursed. In 2019, the expenses related to personnel assigned by SABESP to other state government entities 
amounted to R$4,881 (R$8,903 in 2018 and R$9,853 in 2017). 

In 2019, the expenses related to personnel assigned by other entities to SABESP were R$ 139 (In 2018, the expenses related to 
personnel assigned by other entities to SABESP were R$ 116 and in 2017 there were no expenses related to personnel assigned by 
other entities to SABESP). 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(f) Non-operating assets 

As of December 31, 2019, the Company had an amount of R$3,613 related to a land and lent structures (as of December 31, 2018 
– R$ 969). 

(g)            SABESPREV     

The Company sponsors a private defined benefit pension plan (G1 Plan), which is operated and administered by SABESPREV. The 
net actuarial liability recognized as of December 31, 2019 amounted to R$314,677 (R$363,902 as of December 31, 2018), according 
to Note 20 (b). 

(h)            Compensation of Management Key Personnel 

- Compensation: 

SABESP's  compensation  policy  for  the  Management  and  officers  is  set  out  according  to  guidelines  of  the  São  Paulo  State 
Government, issued by the CODEC (State Capital protection Board), and are based on performance, market competitiveness, or 
other indicators related to the Company's business, and is subject to approval by shareholders at an Annual Shareholders' Meeting. 

The  Executive  Officers’  fees  are  also  defined  by  government  authorities.  Management  and  Fiscal  Council’s  compensation  is 
equivalent to 30% and 20%, respectively, of the Executive Officers’ fee, contingent on attendance of at least one monthly meeting. 

The objective of the compensation policy is to set a private sector management paradigm to retain its staff and recruit competent, 
experienced and motivated professionals, considering the level of management efficiency currently required by the Company. 

In addition to the monthly fee, the members of the Board of Directors, Fiscal Council and the Board of Executive Officers receive 
annual reward equivalent to a monthly fee, calculated on a prorated basis in December of each year. The purpose of this reward is 
to correspond to the thirteenth salary paid to the Company’s employees, as officers and directors' relationship with the Company 
is governed by its bylaws and not the labor code. 

Benefits paid only to Statutory Officers - meal ticket, basket of food staples, medical care, annual paid rest typified as a paid leave 
of 30 calendar days, and payment of a premium equivalent to one third of the monthly fee and bonuses.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

SABESP pays bonuses for the purposes of compensating Executive Officers, in accordance with the guidelines of the São Paulo 
State Government, as an incentive policy, as long as the Company records quarterly, semiannual, and yearly profits, and distributes 
mandatory  dividends  to  shareholders,  even  if  in  the  form  of  interest  on  capital. Annual  bonuses  cannot  exceed  six  times  the 
monthly compensation of the officers/directors  or 10% of the interest on capital paid by the Company, prevailing the  shortest 
amount.  

Expenses related to the compensation to the members of its Board of Directors, Fiscal Council and Board of Executive Officers 
amounted to R$5,344, R$4,077 and R$3,813 for 2019, 2018 and 2017, respectively. An additional amount of R$1,348, related to 
the bonus program, was recorded in 2019 (R$538 in 2018 and R$556 in 2017). 

(i) Loan agreement through credit facility 

The Company holds interest in certain Special Purpose Entities (SPEs), not holding the majority interest but with cast vote and 
power of veto in some issues, with no ability to use such power of veto in a way to affect returns over 
investments. Therefore, these SPEs are considered for accounting purposes as joint arrangements. 

The Company entered into a loan agreement through credit facility with the SPE Aquapolo Ambiental S/A to finance the operation 
of this company, until the borrowings and financing requested with financial institutions is granted. 

As of December 31, 2019, the balance of principal and interest related to this agreement was R$ 34,992, recorded in Noncurrent 
Assets under "Other Accounts Receivables" (December 31, 2018 - R$ 32,857) with interest at the CDI rate + 1.2% per year. 

The loan agreement originally matured on April 30, 2015 but was extended to October 30, 2015 and on November 25, 2015 a new 
amendment changed the payment schedule for three annual installments, the first of which maturing on December 30, 2021 and 
the last on December 30, 2023. 

(j)       “Se Liga na Rede” (Connect to the Network Program) 

The  State  Government  enacted  the  State  Law  no.  14,687/1912,  creating  the  pro-connection  program,  destined  to  financially 
subsidize the execution of household branches necessary to connect to the sewage collecting networks, in low income households 
which agreed to adhere to the program. The program expenditures, except for indirect costs, construction margin and borrowing 
costs are financed with 80% of funds deriving from the State Government and the remaining 20% invested by SABESP, which is 
also  liable  for  the  execution  of  works. As  of  December  31,  2019,  the  program  total  amount  was  R$117,272  (R$100,928  as  of 
December  31,  2018),  there  was  no  balance  receivable  as  of  December  31,  2019  and  2018  from  related  parties.  The  amount  of 
R$65,099 (R$49,919 as of December 31, 2018) was recorded in the group of intangible assets and R$52,174 was reimbursed by 
GESP (R$51,009 as of December 31, 2018) from the beginning of the program until December 31, 2019. 

F-60 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

11            Investments 

The Company holds interest in certain Special Purpose Entities (SPE). Although SABESP has no majority shares of its investees, 
the shareholders’ agreement provides for the power of veto in certain management issues, however, with no ability to use such 
power of veto in a way to affect returns over investments, indicating participating shared control (joint venture – IFRS 11). 

The Company holds interest recognized by the equity accounting in the following investees: 

Sesamm 

As  of  August  15,  2008,  the  Company,  together  with  GS  Inima  Brasil  Ltda  (“GS  Inima”),  successor  of  Técnicas  y  Gestion 
Medioambiental  S.A.U.  (“TGM”)  and  GS  Inima  Environment  S/A  (currently  OHL  Medio  Ambiente);  and  Estudos  Técnicos  e 
Projetos ETEP Ltda. (“ETEP”), succeeded by ECS Operações e Participações Ltda (“ECS”), incorporated Sesamm – Serviços de 
Saneamento de Mogi Mirim S/A for a period of 30 years from the date the concession agreement with the municipality for the 
purpose of providing complementary services to the sewage diversion system and implementing and operating sewage treatment 
system in the municipality of Mogi Mirim, including the disposal of solid waste. 

On October 30, 2019, ECS shares were transferred to GS Inima Brasil, after the transfer SABESP continues to hold a 36% interest 
and GS Inima has increased to 64%. 

Sesamm's  capital  as  of  December  31,  2019,  totaled  R$  19,532,  and  was  represented  by  19,532,409  registered  common  shares 
without a par value.  

The operations initiated in June 2012. 

F-61 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Águas de Andradina 

As of September 15, 2010, the Company, together with Companhia de Águas do Brasil – Cab Ambiental, currently Iguá Saneamento 
S/A (“Iguá”), incorporated Águas de Andradina S.A., with indefinite term, for the purpose of providing water supply and sewage 
services to the municipality of Andradina. 

As of December 31, 2019, the capital of Águas de Andradina totaled R$ 17,936, divided into 17,936,174 registered common shares 
without a par value. SABESP holds 30% of its equity interest and Iguá 70%. The amount of R$ 12 is recorded under investee’s 
equity, as advance for future capital increase. 

The Company pledges as guarantee 100% of its shares in Águas de Andradina as a counter guarantee for the issuance of Letters of 
Guarantee with BNDES. 

The operations initiated in October 2010. 

Águas de Castilho 

As of October 29, 2010, the Company, together with Águas do Brasil – Cab Ambiental, currently Iguá Saneamento S/A (“Iguá”), 
incorporated Águas de Castilho, for the purpose of providing water supply and sewage services to the municipality of Castilho.  

As of December 31, 2019, the company’s capital was R$ 2,785, and was represented by 2,785,225 registered shares without a par 
value. SABESP holds a 30% interest and Iguá 70%. 

The Company pledges as guarantee 100% of its shares in Águas de Castilho as a counter guarantee for the issuance of Letters of 
Guarantee with BNDES. 

The operations initiated in January 2011. 

Saneaqua Mairinque 

As of June 14, 2010, the Company, together with BRK Ambiental Participações S/A (“BRK”) currently Odebrecht Utilities S/A, 
former Foz do Brasil S.A., incorporated Saneaqua Mairinque S/A, with indefinite term, for the purpose of exploring water supply 
and sewage services of the municipality of Mairinque. 

As  of  December  31,  2019,  the  capital  of  Saneaqua  Mairinque  totaled  R$  4,183,  and  was  represented  by  3,141,239  registered 
common shares without a par value. SABESP holds a 30% interest and BRK 70%.  

F-62 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

As guarantee for the financing for Saneaqua Mairinque, the Company pledges 100% of its shares in said company.. 

The operations initiated in October 2010. 

Attend Ambiental 

As of August 23, 2010, SABESP, jointly with Companhia Estre Ambiental S.A. (“Estre”), incorporated Attend Ambiental S.A., for 
constructing and operating a pretreatment of non-domestic effluent station, sludge transportation and related services in the city 
of São Paulo as well as implement similar structures in other areas in Brazil and abroad.  

In 2019, the investee received a capital contribution in the amount of R$ 24,277, through the issuance of 24,277,245 new registered 
common  shares  with  no  par  value,  through  the  conversion  of  the  total  credits  held  by  the  shareholders  against  the  Company, 
resulting from Loan Agreements. 

As of December 31, 2019, the capital totaled R$ 37,677, and was represented by 37,677,245 registered common shares without a 
par value. SABESP holds a 45% interest and Estre 55%.  

The operations initiated in December 2014. 

Aquapolo Ambiental S/A. 

As of October 8, 2009, the Company, together with Odebrecht Utilities S/A, formerly Foz do Brasil S.A., incorporated Aquapolo 
Ambiental S.A., for the purpose of producing, providing and trading reused water for Quattor Química S.A., Quattor Petroquímica 
S.A., Quattor Participações S.A. and other companies comprising the Petrochemical Complex of Capuava and the metropolitan 
region of São Paulo. 

F-63 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

As of December 31, 2019, the capital of Aquapolo totaled R$ 36,412, and was represented by 42,419,045 registered common shares 
without a par value. SABESP holds 49% of its equity interest.  

The  Company  pledges  as  guarantee  to  the  loan  acquired  through  the  issuance  of  debentures,  100%  of  its  shares  in  Aquapolo 
Ambiental S/A. 

The operations initiated in October 2012. 

Paulista Geradora de Energia 

As of April 13, 2015, the Company acquired shares from Empresa Paulista Geradora de Energia S/A - PGE, jointly        with Servtec 
Investimentos  e  Participações  Ltda  ("Servtec)  and  Tecniplan  Engenharia  e  Comércio  Ltda  ("Tecniplan"),  which  operational 
purpose is the implementation and commercial exploration of water potential in small hydroelectric power plants (PCHs), located 
at the Guaraú and Vertedouro Cascata Water Treatment Stations. 

As of December 31, 2019, the capital of Paulista Geradora de Energia was R$ 8,679, represented by 8,679,040 registered common 
shares without a par value, in which SABESP holds a 25% interest, Servtec holds 37.5% and Tecniplan 37.5%. 

As of December 31, 2019, operations had not initiated yet. 

Below is a summary of the investees’ financial information and SABESP’s equity interest: 

Company 

Equity 

Capital 
increase 

Dividends 
distributed 

Other 
Comprehensive 
Income 

Profit (loss) for the year 

2019 

2018 

2017 

2019 

2019 

2019 

2019 

(*) 

2018 

2017 

Sesamm 
Águas de Andradina (i) 
Águas de Castilho 
Saneaqua Mairinque 
Attend Ambiental 
Aquapolo Ambiental 
Paulista Geradora de Energia 

45,923 
30,065 
7,242 
4,783 
7,486 
37,772 
7,144 

43,547 
24,832 
6,084 
5,720 
1,426 
30,170 
7,625 

39,262 
19,392 
4,880 
4,327 
5,169 
18,757 
8,447 

- 
- 
- 
- 
24,277 
- 
- 

(2,042) 
(2,038) 
(609) 
(11) 
- 
(8,681) 
- 

- 
- 
- 
(55) 
- 
- 
- 

6,485 
7,070 
1,648 
(867) 
(17,781) 
16,283 
(481) 

(2,067) 
201 
119 
(4) 
(436) 
- 
- 

5,621 
2,407 
1,001 
(790) 
(3,743) 
11,413 
(822) 

2,707 
4,471 
933 
390 
1,324 
6,470 
(22) 

F-64 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Company 

Investments 
2018 

2019 

Capital 
increase 
2019 

Dividends 
distributed 
2019 

Other 
Comprehensive 
Income 
2019 

Equity in the earnings of subsidiaries 
2017 

2018 

2019 

(*) 

Interest percentage 
2018 

2019 

2017 

Sesamm 
Águas de Andradina  
Águas de Castilho 
Saneaqua Mairinque 
Attend Ambiental 
Aquapolo Ambiental 
Paulista Geradora de Energia 
Total 
Other investments 
Overall total  

16,533 
9,020 
2,172 
1,434 
3,369 
18,508 
1,786 
52,822 
365 
53,187 

15,677 
7,450 
1,826 
1,716 
642 
14,783 
1,905 
43,999 
588 
44,587 

- 
- 
- 
- 
10,925 
- 
- 
10,925 

(735) 
(611) 
(183) 
(3) 
- 
(4,254) 
- 
(5,786) 

- 
- 
- 
(17) 
- 
- 
- 
(17) 

2,335 
2,121 
493 
(260) 
(8,002) 
7,979 
(119) 
4,547 

(744) 
60 
36 
(2) 
(196) 
- 
- 
(846) 

2,023 
722 
300 
(237) 
(1,684) 
5,592 
(206) 
6,510 

975 
729 
287 
71 
560 
3,144 
(6) 
5,760 

36% 
30% 
30% 
30% 
45% 
49% 
25% 

36% 
30% 
30% 
30% 
45% 
49% 
25% 

36% 
30% 
30% 
30% 
45% 
49% 
25% 

(*) Refer to changes in the equity of investees, as their financial statements for the year ended December 31, 2018 were issued, 
including some adjustments, after the Company’s financial statements.  

12           Investment properties 

December 31, 
2018 

Transfers 

Depreciation 

December 31, 
2019 

Investment properties 

47,620 

(9) 

(49) 

47,562 

December 31, 
2017 

Write-offs and 
disposals 

Transfers 

Depreciation 

December 31, 
2018 

Investment properties 

57,652 

(9,995) 

13 

(50) 

47,620 

December 31, 
2016 

Write-offs and 
disposals 

Depreciation 

December 31, 
2017 

Investment properties 

57,968 

(244) 

(72) 

57,652 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

As of December 31, 2019 and 2018, the market value of these properties is approximately R$386,000. 

13           Contract assets 

Contract assets (works in progress) is the right to consideration in exchange for goods or services transferred to customers. As 
established by IFRS 15 - Revenue from contract with customers, assets related to the concession under construction, recorded 
under the scope of IFRIC 12 – Service Concession Arrengements, should be classified as Contract Assets during the construction 
period and transferred to Intangible Assets only after the completion of the works. 

A contract assets is initially recognized at fair value and includes borrowing costs capitalized during the period when the asset is 
under construction, based on the weighted average rate of borrowings in effect on the capitalization date, as described in Note 14. 

As of December 31, 2019, the amount recorded as contract assets was R$ 7,618 million, and the largest works are located in the 
municipalities of São Paulo, Praia Grande and São Bernardo do Campo, in the amounts of R$ 3,593 million, R$ 338 million and 
R$ 330 million, respectively. Additionally, R$ 3,328 million was transferred to intangible assets (under book value); the most 
significant work is the expansion of the Barueri Sewage Treatment Station, while the largest additions of the period are located in 
the municipalities of São Paulo, Praia Grande and São Bernardo do Campo, in the amounts of R$ 1,790 million, R$ 212 million 
and R$ 151 million, respectively. 

December 31, 2018  Additions 

Write-offs 

Transfers  Transfers of works to intangible assets  December 31,  2019 

Tota contract assets (*) 

7,407,948  3,532,283 

(4,910) 

10,710 

(3,328,317) 

7,617,714 

(*) As of December 31, 2019, contract assets includes leases recognized before December 31, 2018 in accordance with IAS 17 
amounting to R$ 276,893 (R$ 265,671 as of December 31, 2018). 

January 1, 2018  Additions  Transfers of works to intangible assets  December 31, 2018 

Total contract assets 

10,387,715  3,188,943 

(6,168,710) 

7,407,948 

F-66 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

14           Intangible assets 

(a)      Statement of financial position details 

Intangible right arising from: 
Concession agreements – equity value 
Concession agreements – economic value  
Program contracts  
Program contracts – commitments  
Services contracts – São Paulo 
Software license of use 
Right of use 
Total 

(b)      Changes 

December 31, 2019 

December 31, 2018 

Cost  Accumulated amortization 

Net 

Cost  Accumulated amortization 

Net 

2,066,459 
1,334,531 
19,413,768 
1,651,434 
19,217,091 
829,739 
113,233 
44,626,255 

(571,606) 
(621,679) 
(5,594,068) 
(286,559) 
(4,826,328) 
(358,033) 
(42,535) 
(12,300,808) 

1,494,853 
712,852 
13,819,700 
1,364,875 
14,390,763 
471,706 
70,698 
32,325,447 

5,465,206 
1,948,255 
12,710,937 
1,320,106 
17,474,797 
748,962 
- 
39,668,263 

(1,391,862) 
(716,246) 
(3,933,008) 
(240,555) 
(4,083,345) 
(290,787) 
- 
(10,655,803) 

4,073,344 
1,232,009 
8,777,929 
1,079,551 
13,391,452 
458,175 
- 
29,012,460 

Intangible right arising from: 
Concession agreements – equity value (*) 
Concession agreements – economic value 
Program contracts (*) 

Program contracts – commitments 
Services contracts – São Paulo 
Software license of use 

Right of use - Other assets  

Intangible right arising from: 

December 
31, 2018 

First-time 
adoption 
of IFRS 16 

Addition 

Contract 
renewal 

Transfer to 
indemnities 
receivable 

4,073,344 
1,232,009 
8,777,929 

1,079,551 
13,391,452 
458,175 
- 

29,012,460 

- 
- 
- 

- 
- 
- 
64,955 

64,955 

2 
2,034 
1,338,443 

331,328 
3,867 
- 
48,278 

1,723,952 

(2,690,660) 
(532,173) 
3,223,773 

- 
(940) 
- 
- 

- 

(4,345) 
- 
- 

- 
- 
- 
- 

(4,345) 

Transfer of contract assets 

Transfers  

Write-offs and disposals 

Amortization 

131,809 
89,041 
970,534 

- 
2,054,940 
81,993 
- 

3,328,317 

76,804 
1,956 
137,283 

- 
(228,583) 
(991) 
- 

(13,531) 

(8,311) 
(569) 
(10,312) 

- 
(20,739) 
- 
- 

(39,931) 

December 
31, 2019* 

1,494,853 
712,852 
13,819,700 

1,364,875 
14,390,763 
471,706 
70,698 

(83,790) 
(79,446) 
(617,950) 

(46,004) 
(809,234) 
(67,471) 
(42,535) 

(1,746,430) 

32,325,447 

(*)As of December 31, 2019, intangible assets includes leases recognized before December 31, 2018 in accordance with IAS 17 amounting to R$ 292,824 - (R$ 315,717 as of 
December 31, 2018 – R$ R$ 98,077 recognized as concession agreements – equity value and R$ 217,640 recognized as program contracts). 

F-67 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
   
 
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

   December 31, 

2017 

Transfers to 
contract assets 
(*) 

Additions 

Contract renewal 

Transfers of 
works (**) 

Transfers  Write-offs and disposals 

Amortization 

December 31, 
2018 

Intangible right arising from: 
Concession agreements – equity value 
Concession agreements – economic value 
Program contracts 
Program contracts – commitments 
Services contracts – São Paulo 

Software license of use 
Total 

7,141,614 
1,433,937 
7,595,066 
910,375 
15,917,015 
468,125 
33,466,132 

(1,427,046) 
(233,361) 
(2,019,461) 
- 
(6,707,847) 
- 
(10,387,715) 

93 
373 
928,818 
206,946 
3,724 
4,774 
1,144,728 

(1,935,780) 
- 
1,935,780 
- 
- 
- 
- 

499,002 
114,442 
681,742 
- 
4,818,734 
54,790 
6,168,710 

(5,268) 
88 
3,011 
- 
12 
686 
(1,471) 

(1,406) 
(1,031) 
(7,616) 
- 
(14,813) 
- 
(24,866) 

(197,865) 
(82,439) 
(339,411) 
(37,770) 
(625,373) 
(70,200) 
(1,353,058) 

4,073,344 
1,232,009 
8,777,929 
1,079,551 
13,391,452 
458,175 
29,012,460 

(*) Work in progress transferred to contract assets due to adoption of IFRS 15, as of January 1, 2018, as described in Note 4.1. 
(**) Work in progress transferred from contract assets to intangible assets. 

F-68 

 
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Intangible right arising from: 
Concession agreements – equity value 
Concession agreements – economic value 
Program contracts 
Program contracts – commitments 
Services contracts – São Paulo 

Software license of use 
Total 

December 31, 
2016 

Additions  Contract renewal 

Reversal of 
estimated losses  

Transfers  Write-offs and disposals 

Amortization 

December 31, 
2017 

7,482,955 
1,381,652 
6,576,021 
823,216 
14,552,707 

430,237 
31,246,788 

374,775 
142,429 
772,278 
121,313 
1,976,079 

103,424 
3,490,298 

(531,818) 
- 
531,818 
- 
- 

- 
- 

2,078 
8 
4,834 
- 
6,460 

- 
13,380 

1,663 
2,604 
(1,784) 
- 
(18,346) 

6,489 
(9,374) 

(2,795) 
(1,163) 
(6,606) 
- 
(13,848) 

- 
(24,412) 

(185,244) 
(91,593) 
(281,495) 
(34,154) 
(586,037) 

(72,025) 
(1,250,548) 

7,141,614 
1,433,937 
7,595,066 
910,375  
15,917,015 

468,125  
33,466,132  

In 2019, the Company renewed the program contract with the municipalities of Águas de São Pedro, Alambari, Bertioga, Caraguatatuba, Espírito Santo do Turvo, Guarujá, 
Itanhaém, Lavrinhas, Mongaguá, Nazaré Paulista, Oriente, Paraguaçu Paulista, Pedra Bela, Peruíbe, São Bernardo do Campo, São Sebastião e Vargem. The Company also 
started operations in the municipality of Santo André. 

All of these contracts are valid for 30 years, except for the contracts signed with São Bernardo do Campo and Santo André, which are valid for 40 years. 

In October 2019, the Company signed a contract with the municipality of Tapiratiba, to begin operating in April 2020. 

(c)      Intangible arising from concession agreements 

The Company operates public utility service concession agreements for water supply and sewage services mostly based on agreements that set out rights and obligations 
relative to the exploration of assets related to the public utility service (See Note 3.8 (a)). A general obligation also exists to return the concession infrastructure to the 
concession grantor in good working condition at the end of the concession. 

As of December 31, 2019, the Company operated in 372 municipalities in the State of São Paulo (369 as of December 31, 2018).  Most of these contracts have a 30-year 
concession period.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The services provided by the Company are billed at a price regulated and controlled by São Paulo State Sanitation and Energy 
Regulatory Agency (ARSESP). 

Intangible rights arising from concession agreements include: 

(i)     Concession agreements – equity value 

These  refer  to  municipalities  assumed  until  2006,  except  for  the  municipalities  assumed  by  economic  value  through  assets 
valuation report prepared by independent experts. The amortization of assets is calculated according to the straight-line method, 
which considers the assets useful life. 

(ii)     Concession agreements – economic value 

From 1999 through 2006, the negotiations for new concessions were conducted on the basis of the economic and financial result 
of the transaction, determined in a valuation report issued by independent appraisers. 

The amount determined in the related contract, after the transaction is closed with the municipal authorities, realized through the 
subscription of the Company's shares or in cash, is recorded as "concession agreements" and amortized over the period of the 
related concession (usually 30 years). As of December 31, 2019 and 2018 there were no amounts pending related to these payments 
to the municipalities. 

Intangible assets are amortized on a straight-line basis over the period of the concession agreements or for the useful lives of the 
underlying assets, whichever is shorter.  

(iii)     Program contracts  

These refer to the renewal of contracts previously referred to as concession agreements whose purpose is to provide sanitation 
services. The amortization of the assets acquired until the dates of signatures of the program contracts is calculated according to 
the straight-line method, which considers the assets’ useful lives. Assets acquired or built after the signature dates of program 
contracts are amortized during the contracted period (mostly, 30 years) or during the useful lives of underlying assets, whichever 
is shorter. 

(iv)     Program contracts - Commitments 

After  the  enactment  of  the  regulatory  framework  in  2007,  renewals  of  concessions  started  to  be  made  through  of  program 
contracts.  In some of these program contracts, the Company undertook the commitment to financially participate in social and 
environmental actions. The assets built within the program contracts are recorded as intangible assets and are amortized by the 
straight-line method in accordance with the duration of the program contract (mostly, 30 years). 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

As  of  December 31, 2019 and 2018, the amounts not yet disbursed were recorded under “program contract commitments”, in 
current  liabilities,  totaling  R$ 273,932  and  R$ 230,695,  respectively,  and  in  noncurrent  liabilities,  totaling  R$ 103,321  and 
R$ 142,314, respectively. In 2019, the annual rate of 8.11% (WACC) was applied to calculate the present value adjustment of these 
contracts. 

(v)     Services agreement with the Municipality of São Paulo  

On  June  23,  2010,  the  Company  entered  into  an  agreement  with  the  State  of  São  Paulo  and  the  Municipality  of  São  Paulo  to 
regulate the provision of water and sewage services in the municipality of São Paulo for a 30-year period, which is extendable for 
an another 30-year period.  

Also on June 23, 2010, an agreement was signed between the state and municipal government, and SABESP and the Sanitation 
and  Energy  Regulatory  Agency  of  the  State  of  São  Paulo  (“ARSESP”)  are  the  consenting  and  intervening  parties,  whose  main 
aspects are the following: 

1. The State and the Municipality of São Paulo grant to SABESP the right to explore the sanitation services in the capital of the 
State of São Paulo, which consists of the obligation to provide such service and charge the respective tariff for this service; 

2. The State and the Municipality sets forth ARSESP as the agency responsible for regulating the tariff, controlling and monitoring 
the services. 

3. The evaluation model of the contract was the discounted cash flow, which considered the financial and economic sustainability 
of SABESP’s operations in the metropolitan region of São Paulo; 

4. All operating costs, taxes, investments and the opportunity cost of investors and the creditors of SABESP’s were considered in 
the cash flow analysis; 

5. The agreement provides for investments established in the agreement comply with the minimum of 13% of the gross revenue 
from  the  municipality  of  São  Paulo,  net  of  the  taxes  on  revenues.  Investment  plans  referring  to  SABESP’s  execution  shall  be 
compatible  with  the  activities  and  programs  foreseen  in  the  state,  municipal  sanitation  plans,  and  where  applicable,  the 
metropolitan plan. The investment plan is not definite and will be revised by Managing Committee every four years, especially as 
to investments to be made in the following period; 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

6.  The  payment  related  to  the  Municipal  Fund  of  Environmental  Sanitation  and  Infrastructure  to  be  applied  in  the  sanitation 
service within the municipality must be recovered through the tariffs charges. Such payment represents 7.5% of the total revenue 
from  the municipality  of São Paulo, net of the taxes on revenue and delinquency in the period, recognized in profit or  loss,  as 
operating cost; 

7.  The  opportunity  cost  of  the  investors  and  the  creditors  was  established  by  the  Weighted  Average  Cost  of  Capital  (WACC) 
methodology. The WACC was the interest rate used to discount the cash flow of the operation; and 

8.  The  agreement  considers  the  recovery  of  net  assets  in  operation,  preferably  evaluated  through  equity  valuation  or  carrying 
amount monetarily restated, as defined by ARSESP.  In addition, the agreement provides for the remuneration of investments to 
be made by SABESP, so that there is no residual value at the end of the agreement. 

Referring to the recovery through tariff, mentioned in item 6 above, of transfer to the Municipal Fund of Environmental Sanitation 
and Infrastructure, ARSESP issued in April 2013, the Resolution no. 413, postponing the application of Resolution no. 407 until 
the conclusion of the tariff revision process, the transfer to the bill of services of amounts referring to the municipal charges which 
were stipulated in Resolution no. 407. The postponement to apply Resolution no. 407 was due to a request by the São Paulo State 
Government to analyze, among other things, methods to reduce the impact on consumers. 

As of April 18, 2014, ARSESP Resolution no. 484 was published with the final results of SABESP’s Tariff Revision, however, both 
the São Paulo Municipal Government, through Official Letter no. 1,309/2014-SGM/GAB and the São Paulo State Government 
through a petition filed by the São Paulo State Office, through the Official Letter ATG/Official Letter no. 092/2014-CC, requested 
a postponement of the effects of ARSESP Resolution no. 413, published in the São Paulo State Official Gazette on March 20, 2013, 
until the conclusion of the revision of the Agreement entered into between the São Paulo Municipal Government, the São Paulo 
State Government and SABESP. 

By means of Resolution no. 488 of May 7, 2014, ARSESP maintained the suspension of the effectiveness of ARSESP Resolution 
no. 407, published on March 22, 2013, until the results obtained in the revision of the Agreement entered into by the São Paulo 
Municipal Government, the São Paulo State Government and SABESP postponing authorization for the transfer to the bill of the 
services related to the legally established municipal fees that, by force of the Program Agreements and Water Supply and Sewage 
Services Agreements, should be included in the Tariff Revision. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The agreement represents 44.48% of the total revenue of the Company as of December 31, 2019, and ensures the judicial and assets 
security. 

The municipality of São Paulo and the Company did not conclude an agreement to equalize financial pending issues existing until 
the  signature date  of  the Agreement related to the rendering of water supply and sewage services to the real  properties  of  the 
municipality, and for that reason, the Company filed a suit to collect these accounts, which are accrued for losses. 

(d)      Capitalization of interest and other finance charges 

In  2019,  the  Company  capitalized  interest  and  inflation  adjustment,  including  related  foreign  currency  exchange  effects  in 
concession intangible assets, totaling R$233,251, including the São Lourenço Production System and Leases (R$488,502 in 2018 
and R$649,048 in 2017) during the construction period. 

(e)            Construction margin 

The Company acts as a principal responsible to construct and install the infrastructure related to the concession, using own efforts 
or hiring outsourcing services, receiving the risks and benefits.  

Accordingly, the Company recognizes revenue from construction service corresponding to the cost of construction increased by 
gross margin. Generally, the constructions related to the concessions are performed by third parties, in such case, the margin of 
the Company is lower, normally, to cover eventual administration costs, and the responsibility of the primary risk.  In 2019 and 
2018 the margin was 2.3%. 

Construction margin for 2019, 2018 and 2017 were R$65,172, R$63,013 and R$70,335, respectively. 

(f) Expropriations  

As a result of the construction of priority projects related to water and sewage systems, the Company was required to expropriate 
third-parties' properties, and the owners of these properties will be compensated either amicably or through courts. 

The costs of these expropriations are recorded as concession intangible assets after the transaction is concluded. In 2019, the total 
amount related to expropriations was R$34,681 (R$106,429 in 2018 and R$19,576 in 2017). 

(g)      Public-Private Partnership - PPP 

SABESP  carries  out  operations  related  to  the  PPPs  mentioned  below.  These  operations  and  their  respective  obligations  and 
guarantees are supported by agreements executed according to Law 11,079/2004. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Alto Tietê Production System  

The  Company  and  the  special  purpose  entity  CAB-Sistema  Produtor  Alto  Tietê  S/A,  formed  by  Galvão  Engenharia  S.A.  and 
Companhia  Águas  do  Brasil  –  Cab  Ambiental,  signed  in  June  2008  the  contract  of  public-private-  partnership  of  Alto  Tietê 
production system. 

The contract last 15 years which purpose is to expand the capacity of treated water of Taiaçupeba from 10 thousand to 15 thousand 
of liters per second, whose operation began in October 2011. 

As of December 31, 2019 and 2018, the amounts recognized as intangible asset related to PPP were R$348,586 and R$359,759, 
respectively.   In  2019  and  2018,  a  discount  rate  of  8.20%  p.a.  was  used  to  calculate  the  adjustment  to  present  value  of  the 
agreement. 

On a monthly basis, SABESP assigns funds from tariffs to the SPE CAB Sistema Produtor Alto Tietê S/A, in the amount of R$10,361, 
corresponding to the monthly remuneration.  This amount is annually adjusted by the IPC – FIPE and is recorded in a restricted 
account, pursuant to the contractual operating proceeding.   

The guarantee is effective since the beginning of the operation and will be valid until the conclusion, termination, intervention, 
annulment or caducity of the Administrative Concession, or other extinction events provided for in the Concession Agreement or 
in the law applicable to administrative concessions, including in the event of bankruptcy or extinction of the SPE. 

São Lourenço Production System 

In August 2013, SABESP and the special purpose entity Sistema Produtor São Lourenço S/A, composed of Construções e Comércio 
Camargo  Corrêa  S/A  and  Construtora  Andrade  Gutierrez  S/A,  signed  the  public-private  partnership  agreements  of  the  São 
Lourenço Production System. 

In  May  2018,  the  control  of  SPE  Sistema  Produtor  São  Lourenço  S/A  was  transferred  to  CGGC  Construtora  do  Brasil  Ltda, 
previously composed of Construções e Comércio Camargo Corrêa S/A and Construtora Andrade Gutierrez S/A. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The objective of the contract is: a) the construction of a water producing system, mainly consisting of a water pipeline connecting 
Ibiúna to Barueri, a water collection station in Ibiúna, a water treatment station in Vargem Grande Paulista and water reservoirs; 
and b) the provision of services for a 25-year term, aiming at rendering services to operate the dehydration system, drying and 
final disposal of sludge, maintenance and works of the São Lourenço Production System.  Works started in April 2014. 

The São Lourenço Production System (SPSL) PPP started operating on July 10, 2018. 

The estimated amount by inflation adjustment through December 31, 2019 is approximately R$7.73 billion.   

After the beginning of the operations, every month SABESP will transfer to the SPE Sistema Produtor São Lourenço S/A funds 
from tariffs arising from the services provided, in the amount of R$33.0 million, equivalent to the estimated monthly remuneration 
plus interest and charges.  The amount above will be annually reevaluated by the IPC - FIPE and should be monthly recorded in a 
restricted account, in accordance with the operating procedures of the agreements.   

This obligation with the SPE will become effective as of the beginning of the system’s appropriate operation, duly accepted by 
SABESP, valid until the occurrence of any of the following events, whichever occurs first:  (i) the original payment date of the last 
installment  of  interest  /  amortization  of  the  principal  taken  out  by  the  SPE  to  execute  the  works;  (ii)  the  end,  termination, 
intervention, annulment, caducity of the Administrative Concession, or other  extinction events provided for in the Concession 
Agreement or in the law applicable to administrative concessions, including bankruptcy or extinction of the SPE. 

As  of  December  31,  2019  and  2018,  the  carrying  amounts  recorded  in  the  Company’s  intangible  assets,  related  to  this  PPP, 
amounted to R$3,235,008 and R$3,208,464, respectively.  Intangible assets are accrued for based on the physical evolution of the 
construction, with a counter-entry in the Private Public Partnership (PPP) liabilities account.  In 2019, a discount rate of 7.80% 
p.a. was used to calculate the adjustment to present value of the agreement. 

The São Lourenço Production System had its main works completed in the first quarter of 2019 with the end of the works phase 
(phase 1) occurred on November 1, 2019, after checking compliance with the contractual clauses and the absence of documentary 
pending issues. 

The obligations assumed by the Company as of December 31, 2019 and 2018 are shown in the table below: 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

December 31, 2019 
Noncurrent 
liabilities 

Current 
liabilities 

Total liabilities 

Current 
liabilities 

Noncurrent 
liabilities 

Total 
liabilities 

December 31, 2018 

Alto Tietê 
São Lourenço 
Total 

44,003 
66,288 
110,291 

208,217 
2,975,472 
3,183,689 

252,220 
3,041,760 
3,293,980 

39,283 
98,544 
137,827 

252,093 
3,023,204 
3,275,297 

291,376 
3,121,748 
3,413,124 

(h)            Works in progress 

With the adoption of IFRS 15 - Revenue from contract with customers, as of January 1, 2018, assets related to the concession under 
construction,  recorded  under  the  scope  of  IFRIC  12  –  Service  Concession  Arrengements,  previously  recognized  as  part  of  of 
intangible assets as works in progress were reclassified to contract assets, according to note 13, in the amount of R$ 10,387 million.  

(i)       Amortization of intangible assets 

The  amortization  average  rate  totaled  4.2%  as  of  December  31,  2019  (4.2%  and  3.9%  as  of  December  31,  2018  and  2017, 
respectively). 

(j) Software license of use 

The software license of use is capitalized based on the costs incurred to acquire software and make them ready for use. As of April 
10, 2017, the Company implemented the Integrated Business Management System (Enterprise Resource Planning – SAP ERP), 
which includes the administrative/financial module. The implementation of the commercial module is in progress. 

(k) Right of use 

The statement of financial  position account Right of  Use, created by the Company on January 1, 2019, reflects  the  amendment 
introduced by IFRS 16, which requires lessees to record the right-of-use asset and the lease liability. The Company has utilized the 
exemption in adoption of IFRS 16 related to leases with a lease term of 12 months or less and containing no purchase options and 
leases  where  the  underlying  asset  has  a  low  value  when  new.  For  those  leases  accounted  for  under  the  exemption  option,  the 
Company recognized R$40,577, R$9,132 and R$2,146 in its results, allocated to operating costs, selling expenses and administrative 
expenses, respectively in 2019.   

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Details of right of use asset are as follows: 

Nature 

Leases related to Contract Assets 

Leases related to Concession Agreements and Program Contracts 

- Cost 

      - Accumulated amortization 
Other assets 
- Vehicles 
- Properties  
- Equipment 
- Other 
- Accumulated amortization 

Right of use 

December 31, 2019 

276,893 

292,824 
405,426 
(112,602) 
70,698 
91,709 
13,309 
3,801 
4,414 
(42,535) 
640,415 

Lease  liability  corresponds  to  total  future  fixed  lease  payments,  adjusted  to  present  value,  considering  an  incremental  rate  on 
borrowings. For further information, see Note 16. 

The table below shows the impact in the income statements as of December 31, 2019: 

Impact in the income statement 

Right-of-use amortization 
Financial result – interest expenses 
Short-term and low-value lease expenses 
Decrease of the income of the year 

December 31, 2019 

(65,413) 
(54,791) 
(51,855) 
(172,059) 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

15           Property, plant and equipment  

(a)      Statement of financial position details 

December 31, 2019 

December 31, 2018 

Depreciation 
average rate 

Cost  Accumulated depreciation 

Cost  Accumulated depreciation  Net 
92,962 
82,143 
402,850 
8,946 
31,365 
7,559 
625,825 

-  92,962 
41,705 
(40,438) 
(250,577)  152,273 
1,984 
18,219 
7,250 
(311,432)  314,393 

(6,962) 
(13,146) 
(309) 

Land 
Buildings 
Equipment 
Transportation equipment 
Furniture and fixtures  
Other 
Total 

(b)      Changes 

2.1% 

-  92,979 
79,086 
16.3%  372,872 
9.9% 
11,333 
6.7%  27,250 
5.0% 
1,659 
12.5%  585,179 

-  92,979 
(38,961)  40,125 
(256,786)  116,086 
3,473 
13,578 
1,371 
(317,567)  267,612 

(7,860) 
(13,672) 
(288) 

Net  Depreciation average rate 
- 
3.0% 
16.5% 
10.0% 
6.8% 
6.2% 
12.3% 

December 31, 2018 

Additions 

Transfers  Write-offs and disposals 

Depreciation 

Land 
Buildings 
Equipment 
Transportation equipment 
Furniture and fixtures  
Other 
Total 

92,979 
40,125 
116,086 
3,473 
13,578 
1,371 
267,612 

- 
3,497 
63,216 
308 
5,266 
5,872 
78,159 

(17) 
15 
3,149 
(1,117) 
734 
66 
2,830 

- 
- 
(429) 
(2) 
(162) 
- 
(593) 

- 
(1,932) 
(29,749) 
(678) 
(1,197) 
(59) 
(33,615) 

December 31, 
 2019 

92,962 
41,705 
152,273 
1,984 
18,219 
7,250 
314,393 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Land 
Buildings 
Equipment 
Transportation equipment 
Furniture and fixtures  
Other 
Total 

Land 
Buildings 

Equipment 
Transportation equipment 
Furniture and fixtures  
Other 
Total 

December 31, 2017 
92,507 
42,360 
103,803 
3,680 
11,816 
884 
255,050 

December 31, 2016   
92,494   
43,262   
149,140    
4,531   
11,986   
970   
302,383   

Additions 
- 
73 
46,473 
589 
2,972 
538 
50,645 

Additions   
-   
86   
17,627    
-   
1,207   
-   
18,920   

Transfers Write-offs and disposals 
- 
- 
(81) 
- 
(27) 
- 
(108) 

472 
- 
986 
- 
- 
- 
1,458 

Depreciation 
- 
(2,308) 
(35,095) 
(796) 
(1,183) 
(51) 
(39,433) 

Transfers    Write-offs and disposals   
-   
-   
(178)    
(27)   
(54)   
(20)   
(279)   

13   
1,358   
(15,945)    
(33)   
(75)   
(15)   
(14,697)   

Depreciation   
-   
(2,346)   
(46,841)    
(791)   
(1,248)   
(51)   
(51,277)   

December 31, 
 2018 
92,979 
40,125 
116,086 
3,473 
13,578 
1,371 
267,612 

December 31, 
2017 
92,507 
42,360 

103,803 
3,680 
11,816 
884 
255,050 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

16           Borrowings and financing 

 Borrowings and financing outstanding balance 

Financial institution 

Local currency 

 10th issue debentures 

 12th issue debentures 

 14th issue debentures 

 15th issue debentures 

 17th issue debentures 

 18th issue debentures 

 20th issue debentures 

 21th issue debentures 

 22th issue debentures 

 23th issue debentures 

 24th issue debentures 

 Brazilian Federal Savings Bank 

 Brazilian Development Bank - BNDES BAIXADA SANTISTA 

 Brazilian Development Bank - BNDES PAC 

 Brazilian Development Bank - BNDES PAC II 9751 

 Brazilian Development Bank - BNDES PAC II 9752 

 Brazilian Development Bank - BNDES ONDA LIMPA 

 Brazilian Development Bank - BNDES TIETÊ III 

 Brazilian Development Bank - BNDES 2015 

 Brazilian Development Bank - BNDES 2014 

 Leases (Concession Agreements, Program Contracts and Contract Assets) 

 Leases (Others) 

 Other 

 Interest and charges 

Total in local currency 

 Borrowings and financing outstanding balance 

Financial institution 

Foreign currency 

December 31, 2019 

December 31, 2018 

Current 

Noncurrent 

Total 

Current 

Noncurrent 

Total 

41,021 

45,450 

41,940 

- 

289,211 

34,239 

- 

- 

203,829 

63,012 

- 

263,226 

133,679 

41,021 

249,279 

104,952 

42,493 

45,450 

41,270 

40,194 

249,249 

103,005 

82,687 

294,699 

144,275 

- 

359,394 

- 

359,394 

552,437 

279,100 

167,918 

33,469 

532,691 

165,267 

811,791 

198,736 

- 

- 

248,334 

- 

248,334 

150,000 

349,660 

499,660 

- 

- 

- 

765,689 

765,689 

864,603 

864,603 

395,855 

395,855 

83,519 

1,341,660 

1,425,179 

- 

27,854 

40,685 

24,457 

100,582 

383,191 

460,646 

25,411 

- 

39,038 

47,675 

28,370 

124,286 

436,065 

492,358 

30,070 

- 

- 

- 

- 

75,223 

16,899 

11,227 

4,364 

3,186 

23,632 

30,589 

31,615 

- 

499,604 

499,604 

756,040 

756,040 

- 

- 

- 

- 

1,266,592 

1,341,815 

- 

39,169 

18,811 

23,100 

123,875 

252,197 

490,729 

- 

16,899 

50,396 

23,175 

26,286 

147,507 

282,786 

522,344 

- 

432,357 

459,671 

19,077 

549,589 

568,666 

23,365 

8,207 

74,453 

9,872 

- 

1,380 

- 

77,460 

98,410 

- 

8,163 

- 

- 

9,543 

98,410 

977,943 

5,907,968 

6,885,911 

1,365,112 

5,118,275 

6,483,387 

December 31, 2019 

December 31, 2018 

Current 

Noncurrent 

Total 

Current 

Noncurrent 

Total 

- 

11,184 

6,990 

3,913 

23,704 

52,874 

31,712 

4,659 

27,314 

51,088 

1,665 

77,460 

 Inter-American Development Bank - BID 1212  – US$61,668 thousand (US$71,947 thousand in December 
2018) 

41,428 

207,140 

248,568 

39,826 

238,954 

278,780 

 Inter-American Development Bank - BID 2202 – US$510,573 thousand (US$544,457 thousand in 
December 2018) 

 International Bank of Reconstruction and Development -BIRD – US$88,871 thousand (US$91,286 
thousand in December 2018) 

 Deutsche Bank – (US$75,000 thousand in December 2018) 

 Eurobonds – US$350,000 thousand (US$350,000 thousand in December 2018) 

 JICA 15 – ¥11,524,300 thousand (¥12,676,730 thousand in December 2018) 

 JICA 18 – ¥10,361,600 thousand (¥11,397,760 thousand in December 2018) 

 JICA 17 – ¥2,830,420 thousand (¥1,826,957 thousand in December 2018) 

 JICA 19 – ¥31,736,565 thousand (¥31.561.726 thousand in December 2018) 

 BID 1983AB – US$40,769 thousand (US$58,462 thousand in December 2018) 

 Interest and charges 

Total in foreign currency 

Total borrowings and financing 

128,623 

1,914,298 

2,042,921 

124,098 

1,969,565 

2,093,663 

24,505 

330,898 

355,403 

11,779 

341,646 

353,425 

- 

1,409,921 

42,813 

38,493 

12,466 

67,372 

71,312 

44,967 

- 

- 

385,315 

346,237 

91,845 

- 

288,479 

- 

288,479 

1,409,921 

- 

1,354,532 

1,354,532 

428,128 

40,646 

384,730 

104,311 

36,545 

11,835 

406,462 

365,230 

51,786 

447,108 

401,775 

63,621 

1,109,644 

1,177,016 

64,028 

1,047,081 

1,111,109 

91,521 

162,833 

- 

44,967 

68,554 

52,710 

155,653 

224,207 

- 

52,710 

1,881,900 

4,476,898 

6,358,798 

738,500 

5,930,909 

6,669,409 

2,859,843 

10,384,866 

13,244,709 

2,103,612 

11,049,184 

13,152,796 

Exchange rate as of December 31, 2019: US$4.0307; ¥0.03715 (as of December 31, 2018: US$3.8748; ¥0.03527). 

As of December 31, 2019, the Company did not have balances of borrowings and financing, raised during the year, to mature within 12 months. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Local currency 

Guarantees  Maturity 

Annual interest rates 

Inflation adjustment 

10th issue debentures 

12th issue debentures 

14th issue debentures 

17th issue debentures 

18th issue debentures 

21th issue debentures 

22th issue debentures 

23th issue debentures 

Own funds 

Own funds 

Own funds 

Own funds 

Own funds 

Own funds 

Own funds 

Own funds 

2020 

2025 

2022 

2023 

2024 

2022 

2025 

2027 

TJLP +1.92% (Series 1 and 3) and 9.53% (Series 2)  

IPCA (Series 2) 

 TR + 9.5%  

TJLP +1.92% (Series 1 and 3) and 9.19% (Series 2) 

IPCA (Series 2) 

CDI +0.75 (Series 1) and 4.5% (Series 2) and4.75% 
(Series 3) 
TJLP 1.92 % (Series 1 and 3) and 8.25% (Series 2) 

IPCA (Series 2 and 3) 

IPCA (Series 2) 

CDI + 0.60% e CDI+ 0.90% 

CDI +0.58 (Series 1) and CDI + 0.90% (Series 2) and 
6.0% (Series 3) 

IPCA (Series 3) 

CDI +0.63 (Series 1) and CDI + 0.49% (Series 2) 

24th issue debentures 
Brazilian Federal Savings Bank 

Own funds 
2029 
Own funds  2020/2039 

3.20 (Series 1) and 3.37% (Series 2) 
5% to 9.5% 

IPCA (Series 1 and 2) 
TR 

Brazilian Development Bank - BNDES PAC 

Brazilian Development Bank - BNDES PAC II 9751 

Brazilian Development Bank - BNDES PAC II 9752 

Own funds 

Own funds 

Own funds 

Brazilian Development Bank - BNDES ONDA LIMPA 

Own funds 

Brazilian Development Bank - BNDES TIETÊ III 

Brazilian Development Bank - BNDES 2015 

Brazilian Development Bank - BNDES 2014 

Leases (Concession Agreements, Program Contracts and 
Contract Assets) 

Leases (Others) 

Other 

Own funds 

Own funds 

Own funds 

Own funds 

2023 

2027 

2027 

2025 

2028 

2035 

2026 

2035 

2023 

2025 

TJLP+2.15%  

TJLP+1.72%  

TJLP+1.72%  

TJLP+1.92%  

TJLP+1.66%  

TJLP+2.5%  

TJLP+1.76%  

7.73% to 10.12%  

IPC 

6.01% to 9.84%  

3% (FEHIDRO) and TJLP + 1.5% (FINEP) 

F-81 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Foreign currency 

Guarantees 

Maturity 

Annual interest rates 

Exchange 
rate 
changes 

Inter-American Development Bank - BID 1212  - US$61,668 thousand 
Inter-American Development Bank - BID 2202  - US$510,573 thousand 
International Bank for Reconstruction and Development - BIRD US$88,871 thousand 
Eurobonds – US$350,000 thousand 
JICA 15 – ¥11,524,300 thousand  
JICA 18 – ¥10,361,600 thousand 
JICA 17– ¥2,830,420 thousand 
JICA 19– ¥31,736,565 thousand 
BID 1983AB – US$40,769 thousand 

Government 
Government 
Government 
-  
Government 
Government 
Government 
Government 
-  

2025 
2035 
2034 
2020 
2029 
2029 
2035 
2037 
2023 

(*)Rates comprising LIBOR + contractually defined spread. 

3.31% (*) 
3.42% (*)   
2.85% (*) 
6.25% 
1.8% and 2.5% 
1.8% and 2.5% 
1.2% and 0.01%  
1.7% and 0.01%  
2.08% to 2.38% (*) 

US$ 
US$ 
US$ 
US$ 
Yen 
Yen 
Yen 
Yen 
US$ 

F-82 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(i) Payment schedule as of December 31, 2019 

LOCAL CURRENCY 

Debentures 

2020 

2021 

2022 

2023 

2024 

2025 

2026 to 
2040 

TOTAL 

601,861 

484,363 

563,291 

366,330 

700,583 

280,062 

644,924 

3,641,414 

Brazilian Federal Savings Bank 

83,519 

87,951 

92,727 

85,554 

84,289 

89,569 

901,570 

1,425,179 

BNDES 

135,036 

134,584 

134,584 

128,886 

123,400 

105,460 

435,912 

1,197,862 

Leases (Concession Agreements, Program Contracts and Contract Assets) 

27,314 

29,093 

31,063 

33,711 

36,697 

39,951 

261,842 

459,671 

Leases (Others) 

Other 

Interest and charges 

TOTAL IN LOCAL CURRENCY 

FOREIGN CURRENCY 

BID 

BIRD 

Eurobonds 

JICA 

BID 1983AB 

Interest and charges 

TOTAL IN FOREIGN CURRENCY 

Overall Total 

51,088 

22,630 

1,665 

77,460 

1,865 

- 

678 

1,865 

- 

57 

- 

- 

1,825 

1,384 

1,268 

- 

- 

- 

- 

- 

- 

74,453 

9,872 

77,460 

977,943 

760,486 

824,208 

616,363 

946,353 

516,310 

2,244,248 

6,885,911 

170,051 

170,051 

170,051 

170,051 

170,051 

170,051 

1,271,183 

2,291,489 

24,505 

24,505 

24,505 

24,505 

24,505 

24,505 

208,373 

355,403 

1,409,921 

- 

- 

- 

- 

- 

- 

1,409,921 

161,144 

154,857 

154,857 

154,857 

154,857 

154,857 

1,158,756 

2,094,185 

71,312 

31,005 

31,005 

29,511 

44,967 

- 

- 

- 

- 

- 

- 

- 

- 

- 

162,833 

44,967 

1,881,900 

380,418 

380,418 

378,924 

349,413 

349,413 

2,638,312 

6,358,798 

2,859,843 

1,140,904 

 1,204,626 

995,287 

1,295,766 

865,723 

4,882,560  13,244,709 

F-83 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

 (ii)  Changes 

December 31, 2018 

Addition 
as per 
IFRS 16 

Funding 

Borrowing 
costs 

Monetary 
variation 
and 
exchange 
rate 
changes 

Inflation 
adjustment 
/ exchange 
rate 
changes - 
Capitalized 

Interest 
paid 

Amortization 

Accrued 
interest 

Provision 
for interest 
and fees - 
Capitalized 

Amortization 
of borrowing 
costs  

December 31, 2019 

LOCAL CURRENCY 
Debentures 
Brazilian Federal Savings Bank 
BNDES 
Leases (Concession Agreements, Program Contracts and Contract Assets) 
Leases (Others) 

Other 

TOTAL IN LOCAL CURRENCY 

FOREIGN CURRENCY 
BID 
BIRD 
Deutsche Bank 
Eurobonds 
JICA 

BID 1983AB 

TOTAL IN FOREIGN CURRENCY 

Overall Total 

3,486,861 
1,345,684 
1,072,605 
568,666 
- 
9,571 

- 
- 
- 
- 
113,233 
- 

1,266,755 
162,767 
256,981 
- 
- 
1,683 

(11,814) 
- 
(628) 
- 
- 
- 

6,483,387 

113,233 

1,688,186 

(12,442) 

2,399,985 
356,420 
292,872 
1,358,412 
2,036,128 
225,592 

6,669,409 

- 
- 
- 
- 
- 
- 

- 

- 
2,540 
- 
- 
117,861 
- 

120,401 

- 
(2,540) 
- 
- 
(112) 
(105) 

(2,757) 

42,692 
- 
2,082 
1,765 
- 
28 

46,567 

40,594 
12,575 
13,255 
54,565 
104,027 
8,943 

233,959 

- 
- 
826 
3,761 
- 
- 

(234,307) 
(109,128) 
(83,419) 
(47,663) 
(1,141) 
(655) 

(1,055,623) 
(79,404) 
(131,026) 
(123,880) 
(42,646) 
(1,383) 

195,586 
74,421 
60,644 
49,160 
5,007 
652 

4,587 

(476,313) 

(1,433,962) 

385,470 

49,387 
1,657 
- 
- 
3,675 
- 

(83,602) 
(10,627) 
(18,562) 
(102,883) 
(35,001) 
(10,338) 

(171,892) 
(12,273) 
(303,866) 
- 
(155,064) 
(71,141) 

26,332 
8,548 
12,929 
94,095 
32,194 
9,111 

54,719 

(261,013) 

(714,236) 

183,209 

13,152,796 

113,233 

1,808,587 

(15,199) 

280,526 

59,306 

(737,326) 

(2,148,198) 

568,679 

17,233 
34,910 
23,112 
7,862 
- 
2 

83,119 

54,431 
1,561 
1,240 
8,943 
3,013 
870 

70,058 

153,177 

3,845 
- 
234 
- 
- 
- 

4,079 

955 
19 
2,132 
824 
187 
932 

5,049 

9,128 

3,711,228 
1,429,250 
1,201,411 
459,671 
74,453 
9,898 

6,885,911 

2,316,190 
357,880 
- 
1,413,956 
2,106,908 
163,864 

6,358,798 

13,244,709 

F-84 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

December 31, 2017  Funding 

Borrowings 
costs 

Monetary 
variation 
and 
exchange 
rate 
changes 

Inflation 
adjustment / 
update 
incorporated 
interest - 
Capitalized 

Interest 
and fees 
paid 

Amortization 

Accrued 
interest 

Interest and 
fees – 
Capitalized 
(*) 

Borrowings 
costs - 
expenses 

December 31, 2018 

LOCAL CURRENCY 
Debentures 
Brazilian Federal Savings Bank 
BNDES 
Leases 

Other 

TOTAL IN LOCAL CURRENCY 

FOREIGN CURRENCY 
BID 
BIRD 
Deutsche Bank 
Eurobonds 
JICA 

BID 1983AB 

TOTAL IN FOREIGN CURRENCY 

Overall Total  

3,576,842 
1,236,674 
1,042,036 
561,616 
10,977 

750,000 
194,244 
131,000 
- 
- 

6,428,145 

1,075,244 

1,743,257 
303,278 
496,726 
1,158,642 
1,700,448 
270,470 

5,672,821 

484,690 
- 
- 
- 
80,196 
- 

564,886 

12,100,966 

1,640,130 

(3,021) 
- 
- 
- 
- 

(3,021) 

(2,365) 
- 
- 
- 
(191) 
- 

(2,556) 

(5,577) 

62,676 
- 
3,438 
- 
69 

66,183 

237,433 
48,279 
62,918 
198,380 
329,638 
39,241 

915,889 

982,072 

- 
- 
4,001 
6,366 
- 

10,367 

53,208 
3,462 
- 
- 
6,787 
- 

63,457 

73,824 

(259,175) 
(102,772) 
(90,397) 
(38,196) 
(772) 

(491,312) 

(55,391) 
(7,607) 
(35,207) 
(97,952) 
(33,519) 
(11,060) 

(240,736) 

(732,048) 

(905,080) 
(85,515) 
(102,314) 
(17,427) 
(1,470) 

(1,111,806) 

(130,520) 
- 
(268,508) 
- 
(82,608) 
(85,306) 

(566,942) 

(1,678,748) 

226,810 
75,668 
28,909 
40,290 
763 

372,440 

26,910 
6,945 
28,862 
85,072 
33,992 
9,681 

191,462 

563,902 

34,409 
27,385 
55,725 
16,017 
4 

133,540 

41,878 
2,044 
4,454 
13,448 
1,209 
1,488 

64,521 

3,400 
- 
207 
- 
- 

3,607 

885 
19 
3,627 
822 
176 
1,078 

6,607 

198,061 

10,214 

3,486,861 
1,345,684 
1,072,605 
568,666 
9,571 

6,483,387 

2,399,985 
356,420 
292,872 
1,358,412 
2,036,128 
225,592 

6,669,409 

13,152,796 

(*) amount related to accrued interest which as part of the contract assets. 

F-85 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

December 31, 2016  Funding 

Borrowings 
costs 

Lease 

Monetary 
variation 
and 
exchange 
rate 
changes 

Inflation 
adjustment / 
update 
incorporated 
interest - 
Capitalized 

Interest 
and fees 
paid 

Amortization 

Accrued 
interest 

Interest 
and fees – 
Capitalized 
(*)  

Borrowings 
costs - 
expenses 

December 31, 2017 

LOCAL CURRENCY 
Debentures 
Brazilian Federal Savings Bank 
BNDES 
Leases 
Other 
TOTAL IN LOCAL CURRENCY 

3,641,912 
1,150,691 
946,984 
552,516 
11,677 
6,303,780 

500,000 
144,654 
171,153 
- 
- 
815,807 

- 
(1,157) 
- 
- 
- 
- 
-  24,693 
- 
- 
(1,157)  24,693 

FOREIGN CURRENCY 
1,811,664 
BID 
261,337 
BIRD 
485,090 
Deutsche Bank 
1,141,469 
Eurobonds 
1,617,215 
JICA 
343,588 
BID 1983AB 
5,660,363 
TOTAL IN FOREIGN CURRENCY 
11,964,143 
Overall Total 
(*) amount related to accrued interest which as part of the contract assets. 

- 
(2,497) 
- 
- 
- 
(720) 
- 
- 
- 
(287) 
- 
(82) 
(3,586) 
- 
(4,743)  24,693 

96,889 
35,710  
- 
- 
63,909 
- 
196,508 
1,012,315 

51,768 
5,495 
5,405 
- 
116 
62,784 

(15,193) 
2,874 
7,335 
17,115 
82,563 
1,609 
96,303 
159,087 

- 
1,415 
2,512 
- 
- 
3,927 

(301,493) 
(95,854) 
(78,466) 
- 
(876) 
(476,689) 

(597,794) 
(65,836) 
(87,993) 
(15,593) 
(750) 
(767,966) 

176,780 
78,283 
33,938 
- 
779 
289,780 

40,228 
2,837 
- 
- 
2,525 
- 
45,590 
49,517 

(38,654) 
(4,049) 
(31,774) 
(85,338) 
(28,652) 
(10,931) 
(199,398) 
(676,087) 

(189,280) 
- 
- 
- 
(65,702) 
(75,610) 
(330,592) 
(1,098,558) 

22,547 
3,662 
21,286 
55,046 
27,602 
6,858 
137,001 
426,781 

103,215 
17,826 
48,294 
- 
31 
169,366 

16,803 
888 
11,925 
29,529 
1,115 
3,715 
63,975 
233,341 

3,611 
- 
209 
- 
- 
3,820 

750 
19 
3,584 
821 
160 
1,323 
6,657 
10,477 

3,576,842 
1,236,674 
1,042,036 
561,616 
10,977 
6,428,145 

1,743,257 
303,278 
496,726 
1,158,642 
1,700,448 
270,470 
5,672,821 
12,100,966 

F-86 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(a)         Debentures 

(i)        Funding 

On May 27, 2019, the Company raised funds through the 23rd debenture issue, oin the amount of R$ 866,755, as follows: 

Series 1 
Series 2 

Value 

491,755 
375,000 

Maturity  
May/2024 
May/2027 

Remuneration 
CDI + 0.63 p.a. 
CDI + 0.49 p.a. 

On July 24, 2019, the Company raised funds through the 24th debenture issue, in the amount of R$ 400,000, as follows: 

Series 1 
Series 2 

Value 

100,000 
300,000 

Maturity  
July/2026 
July /2029 

Remuneration 
IPCA+ 3.20 p.a. 
IPCA + 3.37 p.a. 

(ii)      Covenants 

Applicable to the 23rd issue and 24th issue: 

Calculated every quarter upon the disclosure of interim or annual financial statements: 
- Net debt/ EBITDA:  lower than or equal to 3.50; 
- Adjusted EBITDA/ paid financial expenses: equal to or higher than 1.5; 

- Disposal of operating assets, extinguishment of license, loss of concession or loss of Issuer’s capacity to execute and operate 
the basic sanitation public utilities in areas of the State of São Paulo territory, which considered individually or jointly during 
the deed’s effectiveness, result in a reduction of net sales revenue and/or services revenue of the Issuer exceeding twenty-five 
percent (25%).  The limit established above will be calculated quarterly, taking into account the Issuer’s operating income for 
the twelve (12) months preceding the end of each quarter and applying the financial information disclosed by the Issuer. 

Non-compliance  with  the  covenant  clauses,  during,  at  least,  two  consecutive  quarters,  or  also  two  nonconsecutive  quarters 
within a twelve-month period shall result in the early maturity of the agreement.  

The agreement has a clause that, in case of early maturity of any Company debt, in an individual or aggregate amount equal to 
or higher than R$  145 million,  adjusted by the variation of the IPCA as from the issue date, is a default event that may cause 
the early maturity of the obligations arising from the Debentures. 

F-87 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(b) BNDES 

(i)        Funding 

The  initial  funding  of  agreement  14.2.0535.1  (BNDES  2014),  totaling  R$ 33,000,  was  carried  out  on  June  18,  2019.  The 
agreement,  totaling  R$ 61,143,  signed  on  June  30,  2014,  is  for  the  implementation  of  Setor  Gênesis  (sub-conductor)  and 
Fazendinha, in the Municipality of Santana de Parnaíba, in São Paulo. The contract will be amortized in 85 installments, began 
in July 2019 and is expected to end in July 2026. 

(ii)      Covenants 

Applicable to financing agreement no. 14.2.0535.1 (BNDES 2014) 

The financing agreements entered into with the BNDES specifies two ranges in which the Company needs  to  maintain its 
Adjusted EBITDA / Adjusted Financial Expenses, Adjusted Net Debt / Adjusted EBITDA, and Other Onerous Debt / Adjusted 
EBITDA ratios.   

This agreements also specifies a guarantee mechanism in which the Company needs to ensure that a portion of the monthly 
receivables amount is daily recorded in a fiduciary account linked to the BNDES. In this process, every day, after the BNDES 
notifies the depositary bank that the Company is not in default, this portion of the monthly receivables amount is transferred 
to a Company current account. 

The renegotiated/amended covenants are: 

A.   Maintenance of the following ratios, quarterly calculated and related to accrued amounts over the last 12 months, upon the 
disclosure  of  reviewed  interim  financial  statements  or  audited  annual  financial  statements  entails  the  need  to  record 
R$225.9 million per month in a fiduciary account linked to the BNDES: 

•       Adjusted EBITDA / Adjusted financial expenses equal to or higher than 3.50; 
•       Adjusted net debt / Adjusted EBITDA equal to or lower than 3.00; 
•       Other onerous debt (*) / Adjusted EBITDA equal to or lower than 1.00.  

(*)“Other Onerous Debts” correspond to the sum of social security liabilities, health care plan, installment payment of tax 
debts and installment payment of debts with the Electricity supplier. 

F-88 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

B.    In case of failure to comply with one or more ratios specified in item A, in two or more quarters, consecutive or not, within 
twelve months, the Company will be failing to comply with the first range of ratios and the portion of the monthly receivables 
to  be  recorded  in  a  fiduciary  account  linked  to  the  BNDES  will  be  automatically  increased  by  20%,  if  the  ratios  are 
maintained in the following range: 

•       Adjusted EBITDA / Adjusted financial expenses lower than 3.50 and equal to or higher than 2.80; 
•       Adjusted net debt / adjusted EBITDA equal to or lower than 3.80 and higher than 3.00; 
•       Other onerous debt / Adjusted EBITDA equal to or lower than 1.30 and higher than 1.00. 

C.    The  failure  to  achieve  one  or  more  than  one  ratio  stipulated  in  item  B,  and/or  the  Company  does  not  comply  with  the 
automatic reinforcement of guarantee under the terms of item B, the Company will be failing to comply with the covenant 
terms and the BNDES may, at its sole discretion: 

•       require the creation of additional guarantees, not below 30 days, within term to be defined by it through notice;  
•       suspend the release of funds; and/or  
•       declare the early maturity of the financing agreements. 

As of December 31, 2019, the amount of R$255.3 million was guaranteed for the BNDES agreements.  

(c)      Leases 

The  Company  has  work  service  agreements  which  includes  specific  assets  under  lease  terms.   During  the  construction  period, 
works are capitalized to intangible assets in progress and the lease amount is recorded at the same proportion.   

After startup, the lease payment period starts (240 monthly installments), whose amount is periodically restated by contracted 
price index. 

F-89 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(d)      Financial commitments - Covenants 

The table below shows the more restrictive covenants ratios as of December 31, 2019. 

Adjusted EBITDA / Adjusted financial expenses 
Adjusted net debt / Adjusted EBITDA 
Adjusted total debt / Adjusted EBITDA 
Other onerous debt(1) / Adjusted EBITDA 
Adjusted current ratio 
EBITDA / Paid financial expenses 
Net debt / Adjusted EBITDA 

Restrictive Ratios 

Equal to or higher than 2.80 
Equal to or lower than 3.80 
Lower than 3.65 
Equal to or lower than 1.30 
Higher than 1.00 
Equal to or higher than 2.35 
Equal to or lower than 3.50 

(1)   “Other Onerous Debts” correspond to the sum of social security liabilities, health care plan, installment payment of tax debts and installment payment of 
debts with electricity supplier. 

As of December 31, 2019 and 2018, the Company met the financial debt covenants as set forth by its borrowing and financing 
agreements. 

(e)      Borrowings and financing – Credit Limits 

Agent 

Brazilian Federal Savings Bank 
Brazilian Development Bank – BNDES 
Japan International Cooperation Agency – JICA 
Inter-American Development Bank – BID 
International Bank for Reconstruction and Development - IBRD 
Other 

TOTAL 

December 31, 2019 

(in millions of reais (*)) 

1,729 
1,203 
94 
1,209 
1,005 
41 

5,281 

(*) Brazilian Central Bank’s exchange sell rate as of December 30, 2019 (US$ 1.00 = R$ 4.0307; ¥ 1.00 = R$ 0.03715) .  

Financing resources contracted have specific purposes, which have been released for the execution of their respective investments, 
according to the progress of the works.  

F-90 

 
  
  
  
  
                           
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

17           Taxes recoverable/payable 

(a)         Current assets 

Recoverable taxes 
Income tax and social contribution 
Withholding income tax (IRRF) on financial investments 
Other federal taxes 
Total 

(b)         Current liabilities 

Taxes and contributions payable 
Cofins and Pasep 
INSS (Social Security contribution) 
IRRF (withholding income tax) 
Other 
Total 

18           Deferred taxes and contributions 

(a)         Statement of financial position details 

Deferred income tax assets  
Provisions 
Pension obligations - G1 
Donations of underlying asset on concession agreements 
Credit losses 
Other 
Total deferred tax assets 

Deferred income tax liabilities 
Temporary difference on concession of intangible asset 
Capitalization of borrowing costs 
Profit on supply to governmental entities 
Actuarial gain/loss – G1 Plan  
Construction margin 
Borrowing costs 
Total deferred tax liabilities 

Deferred tax assets (liabilities), net 

December 31, 2019 

December 31, 2018 

136,436 
1,359 
3,471 
141,266 

361,758 
6,423 
12,522 
380,703 

December 31, 2019 

December 31, 2018 

94,027 
39,404 
69,932 
46,955 
250,318 

82,381 
38,871 
66,825 
12,486 
200,563 

December 31, 2019 

December 31, 2018 

366,673 
157,998 
51,818 
145,622 
183,147 
905,258 

(408,732) 
(409,236) 
(372,289) 
(54,222) 
(83,399) 
(11,376) 
(1,339,254) 

(433,996) 

337,833 
157,044 
54,131 
197,920 
186,887 
933,815 

(433,842) 
(420,978) 
(206,978) 
(36,430) 
(86,164) 
(10,665) 
(1,195,057) 

(261,242) 

F-91 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
     
     
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(b)      Realization 

Deferred income tax assets  
to be realized within 12 months 
to be realized after one year 
Total deferred tax assets 
Deferred income tax liabilities 
to be realized within 12 months 
to be realized after one year 
Total deferred tax liabilities 
Deferred tax asset (liabilities) 

(c)      Changes 

Deferred income tax assets 
Provisions 
Pension obligations - G1 
Donations of underlying asset on concession 
agreements 
Credit losses 
Other 
Total 

Deferred income tax liabilities 
Temporary difference on concession of intangible 
asset 
Capitalization of borrowing costs 
Profit on supply to governmental entities 
Actuarial (gain)/loss – G1 
Construction margin 
Borrowing costs 
Total 

Deferred tax assets (liabilities), net 

December 31, 2019 

December 31, 2018 

189,740 
715,518 
905,258 

(35,954) 
(1,303,300) 
(1,339,254) 
(433,996) 

Net  
change  
28,840 
954 

(2,313) 
(52,298) 
(3,740) 
(28,557) 

25,110 
11,742 
(165,311) 
(17,792) 
2,765 
(711) 
(144,197) 

(172,754) 

158,294 
775,521 
933,815 

(32,546) 
(1,162,511) 
(1,195,057) 
(261,242) 

December 31, 
2019 
366,673 
157,998 

51,818 
145,622 
183,147 
905,258 

(408,732) 
(409,236) 
(372,289) 
(54,222) 
(83,399) 
(11,376) 
(1,339,254) 

(433,996) 

December 31,  
2018 
337,833 
157,044 

54,131 
197,920 
186,887 
933,815 

(433,842) 
(420,978) 
(206,978) 
(36,430) 
(86,164) 
(10,665) 
(1,195,057) 

(261,242) 

F-92 

 
   
  
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Deferred income tax assets 
Provisions 
Pension obligations - G1 
Donations of underlying asset on concession 
agreements 
Credit losses 
Other 
Total 

Deferred income tax liabilities 
Temporary difference on concession of intangible 
asset 
Capitalization of borrowing costs 
Profit on supply to governmental entities 
Actuarial (gain)/loss – G1 
Construction margin 
Borrowing costs 
Total 

Deferred tax assets (liabilities), net 

Deferred income tax assets 
Provisions 
Actuarial gain/loss – G1 
Pension obligations - G1 
Donations of underlying asset on concession 
agreements 
Credit losses 
Other 
Total 

Deferred income tax liabilities 
Temporary difference on concession of intangible 
asset 
Capitalization of borrowing costs 
Profit on supply to governmental entities 
Actuarial gain/loss – G1 
Construction margin 
Borrowing costs 
Total 

Deferred tax assets (liabilities), net 

Net  
change  
(145,030) 
(8,459) 

(981) 
(1,143) 
35,325 
(120,288) 

26,335 
(5,599) 
(130,273) 
108 
2,783 
2,446 
(104,200) 

(224,488) 

Net  
change  
(41,266) 
(85,044) 
(2,419) 

(2,205) 
(67,694) 
315 
(198,313) 

32,164 
(40,867) 
15,660 
(36,538) 
2,843 
1,952 
(24,786) 

(223,099) 

December 31, 
2018 
337,833 
157,044 

54,131 
197,920 
186,887 
933,815 

(433,842) 
(420,978) 
(206,978) 
(36,430) 
(86,164) 
(10,665) 
(1,195,057) 

(261,242) 

December 31, 
2017 
482,863 
- 
165,503 

55,112 
199,063 
151,562 
1,054,103 

(460,177) 
(415,379) 
(76,705) 
(36,538) 
(88,947) 
(13,111) 
(1,090,857) 

(36,754) 

December 31,  
2017 
482,863 
165,503 

55,112 
199,063 
151,562 
1,054,103 

(460,177) 
(415,379) 
(76,705) 
(36,538) 
(88,947) 
(13,111) 
(1,090,857) 

(36,754) 

December 31,  
2016 
524,129 
85,044 
167,922 

57,317 
266,757 
151,247 
1,252,416 

(492,341) 
(374,512) 
(92,365) 
- 
(91,790) 
(15,063) 
(1,066,071) 

186,345 

F-93 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Opening balance  
Net change in the year: 
 - corresponding entry to the income statement  
 - corresponding entry to valuation adjustments to equity (Note 
20 (b)) 

Total net change 
Closing balance  

December 31,  
2019 

December 31,  
2018 

December 31,  
2017 

(261,242) 

(36,754) 

186,345 

(154,962) 

(17,792) 

(172,754) 

(433,996) 

(224,596) 

108 

(224,488) 

(261,242) 

(101,517) 

(121,582) 

(223,099) 

(36,754) 

F-94 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(d)      Reconciliation of the effective tax rate 

The amounts recorded as income tax and social contribution expenses in the financial statements are reconciled to the statutory 
rates, as shown below: 

Profit before income taxes 
Statutory rate 

Estimated expense at statutory rate 
Tax benefit of interest on equity 
Permanent differences 
     Provision – Law 4,819/1958 – G0 (i) 
     Donations 
     Other differences 

December 31, 2019 

December 31, 2018 

December 31, 2017 

4,677,942 
34% 

(1,590,500) 
312,339 

(44,426) 
(19,888) 
32,050 

3,912,319 
34% 

(1,330,186) 
264,816 

(46,544) 
(13,068) 
47,731 

3,503,614 
34% 

(1,191,229) 
245,444 

(57,104) 
(12,413) 
30,998 

Income tax and social contribution 

(1,310,425) 

(1,077,251) 

(984,304) 

Current income tax and social contribution 
Deferred income tax and social contribution 
Effective rate 

(1,155,463) 
(154,962) 
28% 

(852,655) 
(224,596) 
28% 

(882,787) 
(101,517) 
28% 

(i)     Permanent difference related to the provision for actuarial liability (Note 20 (b) (iii)). 

F-95 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

19           Provisions 

(a)   Lawsuits and proceedings that resulted in provisions 

(I) Statement of financial position details 

The Company is party to a number of claims and legal proceedings arising from the normal course of business, including civil, tax, 
labor and environmental matters. Management recognizes provisions in the financial statements consistently with the recognition 
and measurement criteria established in Note 3.14. The ultimate timing and amounts of the payments depends on the outcome of 
the court cases.  

Customer claims (i) 
Supplier claims  (ii) 
Other civil claims (iii) 
Tax claims (iv) 
Labor claims (v) 
Environmental claims (vi) 
Total 

Current 
Noncurrent 

Provisions  Escrow deposits 

253,665 
153,654 
93,910 
59,143 
325,129 
192,950 
1,078,451 

550,247 
528,204 

(9,973) 
(298) 
(16,496) 
(3,518) 
(12,329) 
(29) 
(42,643) 

- 
(42,643) 

December 31, 

2019     Provisions  Escrow deposits 
(43,841) 
(24,380) 
(13,519) 
(8,091) 
(10,932) 
- 
(100,763) 

290,649 
67,985 
98,302 
63,335 
302,935 
170,419 
993,625 

243,692    
153,356    
77,414    
55,625    
312,800    
192,921    
1,035,808    

December  
31,  
2018 

246,808 
43,605 
84,783 
55,244 
292,003 
170,419 
892,862 

550,247    
485,561    

458,387 
535,238 

- 
(100,763) 

458,387 
434,475 

F-96 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
     
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(II) Changes 

Customer claims (i) 
Supplier claims  (ii) 
Other civil claims (iii) 
Tax claims (iv) 
Labor claims (v) 
Environmental claims (vi) 
Subtotal 
Escrow deposits 
Total 

Customer claims (i) 
Supplier claims  (ii) 
Other civil claims (iii) 
Tax claims (iv) 
Labor claims (v) 
Environmental claims (vi) 
Subtotal 
Escrow deposits 
Total 

Customer claims (i) 
Supplier claims  (ii) 
Other civil claims (iii) 
Tax claims (iv) 
Labor claims (v) 
Environmental claims (vi) 
Subtotal 
Escrow deposits 
Total 

December 31, 
2018 
290,649 
67,985 
98,302 
63,335 
302,935 
170,419 
993,625 
(100,763) 
892,862 

December 31, 
2017 
438,619 
332,037 
114,544 
77,100 
299,842 
160,446 
1,422,588 
(344,384) 
1,078,204 

December 31, 
2016 
572,210 
332,667 
131,286 
69,898 
285,413 
150,084 
1,541,558 
(368,483) 
1,173,075 

Additional 
provisions 
57,314 
54,223 
28,888 
11,821 
167,995 
42,198 
362,439 
(14,051) 
348,388 

Additional 
provisions 
29,732 
36,100 
22,578 
10,763 
83,499 
33,392 
216,064 
(53,205) 
162,859 

Additional 
provisions 
26,642 
23,017 
13,517 
6,877 
55,106 
32,377 
157,536 
(29,089) 
128,447 

Interest and 
inflation 
adjustment 
53,929 
102,686 
18,713 
2,918 
61,483 
24,358 
264,087 
(11,844) 
252,243 

Interest and 
inflation 
adjustment 
40,749 
21,161 
12,939 
4,157 
32,290 
18,294 
129,590 
(5,533) 
124,057 

Interest and 
inflation 
adjustment 
44,805 
36,888 
12,057 
7,392 
38,861 
16,156 
156,159 
(7,823) 
148,336 

Use of the 
accrual 
(99,379) 
(42,948) 
(9,766) 
(4,982) 
(112,084) 
(312) 
(269,471) 
19,191 
(250,280) 

Use of the 
accrual 
(141,421) 
(308,253) 
(16,146) 
(2,490) 
(44,900) 
(115) 
(513,325) 
269,248 
(244,077) 

Amounts not 
used 
(reversal) 
(48,848) 
(28,292) 
(42,227) 
(13,949) 
(95,200) 
(43,713) 
(272,229) 
64,824 
(207,405) 

Amounts not 
used 
(reversal) 
(77,030) 
(13,060) 
(35,613) 
(26,195) 
(67,796) 
(41,598) 
(261,292) 
33,111 
(228,181) 

December 31, 
2019 
253,665 
153,654 
93,910 
59,143 
325,129 
192,950 
1,078,451 
(42,643) 
1,035,808 

December 31, 
2018 
290,649 
67,985 
98,302 
63,335 
302,935 
170,419 
993,625 
(100,763) 
892,862 

Use of the 
accrual 
(138,466) 
(39,433) 
(19,975) 
(259) 
(43,498) 
(24,585) 
(266,216) 
15,354 
(250,862) 

Amounts not 
used 
(reversal) 
(66,572) 
(21,102) 
(22,341) 
(6,808) 
(36,040) 
(13,586) 
(166,449) 
45,657 
(120,792) 

December 31, 
2017 
438,619 
332,037 
114,544 
77,100 
299,842 
160,446 
1,422,588 
(344,384) 
1,078,204 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(b)      Lawsuits deemed as contingent liabilities 

The Company is party to lawsuits and administrative proceedings relating to environmental, tax, civil and labor claims, which are 
assessed as contingent liabilities in the financial statements, since it either does not expect outflows to be required or the amount 
of the obligation cannot be reliably measured. Contingent liabilities, net of escrow deposits, are represented as follows: 

Customer claims (i) 
Supplier claims  (ii) 
Other civil claims (iii) 
Tax claims (iv) 
Labor claims (v) 
Environmental claims (vi) 
Total 

December 31, 2019 
86,061 
1,986,736 
679,623 
1,184,811 
631,364 
4,864,894 
9,433,489 

December 31, 2018 
207,600 
1,459,100 
719,300 
1,439,100 
624,200 
4,343,800 
8,793,100 

(c)      Explanation on the nature of main classes of lawsuits 

(i)      Customer claims  

Approximately 680 lawsuits (890 as of December 31, 2018) were filed by commercial customers, who claim that their tariffs should 
correspond to other consumer categories, and 320 lawsuits (490 as of December 31, 2018) in which customers claim a reduction 
in the sewage tariff due to losses in the system, consequently requesting the refund of amounts charged by the Company and 30 
lawsuits  (40  as  of  December  31,  2018)  in  which  customers  plead  the  reduction  in  tariff  under  the  category  as  “Social  Welfare 
Entity”. The R$ 121,539 decrease in the lawsuits deemed as contingent liabilities was mainly due to the revisions of expectations 
arising from court decisions in the period.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(ii)         Supplier claims 

These lawsuits include lawsuits filed by some suppliers alleging underpayment of monetary restatements and the economic and 
financial imbalance of the agreements, and are in progress at different courts. The R$ 109,751 increase in accrued lawsuits was 
mainly due to revisions of expectations arising from court decisions in the period. The R$ 527,636 increase in lawsuits deemed as 
contingent liabilities is mainly due to updates and revisions of expectations arising on lawsuits in progress. 

(iii)      Other civil claims 

These mainly refer to indemnities for property damage, pain and suffering, and loss of profits allegedly caused to third parties, 
such as vehicle accidents, claims, challenges on the methodology to collect tariffs, among others, filed at different court levels.  

(iv)       Tax claims 

Tax  claims  refer  mainly  to  issues  related  to  tax  collections  and  fines  in  general  challenged  due  to  disagreements  regarding 
notification or differences in the interpretation of legislation by the Company's Management, that were accrued and others that 
were deemed as contingent liabilities.  The R$ 254,289 decrease in lawsuits deemed as contingent liabilities was mainly due to 
changes in expectations arising from agreements with the municipalities of Guarujá and São Bernardo do Campo in the period. 

The  municipality  of  São  Paulo,  through  law,  revoked  the  services  tax  exemption  which  until  then  the  company  withheld  and 
thereafter issued tax deficiency notices related to the sewage service and ancillary activities, in the updated amount of R$ 664,669 
(R$  605,008  as  of  December  31,  2018),  which  currently  are  subject-matter  of  three  Tax  Foreclosures.  SABESP  filed  a  writ  of 
mandamus against this revocation, which was rejected. Writs of prevention and actions for annulment were also filed, aiming the 
suspension of enforceability of credits and the annulment of tax deficiency notices, as it understands that notwithstanding the 
exemption revocation, the sewage activities and ancillary activities are not included in the list of activities subject to taxation by 
municipality. The appellate decision was favorable to the Company. The Municipality’s special and extraordinary appeal is still 
pending. The Company deemed the proceeding as contingent liability. 

F-99 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(v)          Labor claims 

The Company is a party to a number of labor lawsuits, involving issues such as overtime, shift schedule, health hazard premium 
and hazardous duty premium, prior notice, change of function, salary equalization, service outsourcing and other, which are at 
various court levels.  

(vi)       Environmental claims 

These refer to several administrative proceedings and lawsuits filed by government entities, including Companhia Ambiental do 
Estado de São Paulo – CESTESB and the Public Prosecution Office of the State of São Paulo, that aim affirmative and negative 
covenants  and  penalty  is  estimated  due  to  failure  to  comply  in  addition  to  the  imposition  of  indemnity  due  to  environmental 
damages allegedly caused by the Company. The R$ 22,502 and 521,004 increases in accrued lawsuits and deemed as contingent 
liabilities, respectively, are mainly due to updates and revision of estimates on lawsuits in progress in the period. 

Among the main lawsuits the Company is involved, there are public civil actions the subject-matters of which are: a) sentence 
SABESP to restrain itself from discharging or releasing sewage without due treatment; b) invest in the water and sewage treatment 
system of the municipality, under the penalty of paying a fine; c) payment of indemnity due to environmental damages, amongst 
others.  

(d)      Other concession-related legal proceedings        

The  Company  is  a  party  to  concessions-related  proceedings,  where  it  challenges  compensatory  issues  for  the  resumption  of 
sanitation services by some municipalities or by the right to continue operating said services. 

The amount recorded  as indemnities receivable in noncurrent assets, referring to municipalities of  Cajobi, Macatuba,  Álvares 
Florence, Embaúba, Araçoiaba da Serra, Itapira, Tuiuti e Mauá was R$ 114,335 as December 31, 2019 (R$ 109,990 as of December 
31, 2018), with allowance for doubtful accounts in the full amount recorded. All municipalities mentioned are not operated by the 
Company. When a municipality is awarded a final an unappealable favorable sentence, allowing it to repossess sanitation service 
assets and operations, the Brazilian legislation provides for the indemnity of the Company’s investments. 

(e)      Environmental lawsuits with settlements 

In 2019, the Company has not entered into any Environmental agreement. The accumulated balance as of December 31, 2019, 
corresponding to environmental indemnifications, totaled R$ 43,923 (R$ 44,828 as of December 31, 2018), recorded under “other 
liabilities”. 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(f) Guarantee insurance for escrow deposit 

On May 25, 2019, the Company contracted guarantee insurance for escrow deposit, effective for one year, in the amount of R$ 500 
million. Such insurance will be used to settle legal claims instead of having cash disbursement by the Company, such insurance is 
used until the conclusion of these proceedings limited to up to five years. 

In 2019, the Company used R$ 126,4 million of the guarantee insurance (R$ 160,4 in 2018), of which R$ 75,5 million from the 
current contract with an outstanding amount of R$ 424,5 million from the current contract. 

20          Employees benefits  

(a)      Health plan – Medical Assistance 

Since August 1, 2019, the new health plans managed by Fundação CESP - FUNCESP, which replaced the previous health plans 
managed by SABESPREV, have been in effect. The health plan operator was changed by means of the signature of an Adhesion 
Agreement between the parties. The entire process was in accordance with the current industry law, which is applicable to SABESP, 
and was approved by the controlling authorities of the State Government. 

Benefits  are  now  paid  after  the  event,  free  of  choice,  sponsored  by  contributions  of  SABESP  and  the  employees  is  as  follows: 
Company: 9.3% (December 31, 2018 – 7.2%) on average, of gross payroll, totaling R$ 237,898 in 2019 (R$ 196,281 in 2018). 

(b)      Pension plan benefits 

The Company has Post-Employment Benefit Plans in the following modalities: Defined Benefit (BD) – G1 (i) and G0 (ii); Defined 
Contribution (CD) – Sabesprev Mais (iii) and FUNCESP (iv). 

Statements of defined benefit plans 

Summary of pension obligations – Liabilities 

Present value of defined benefit obligations 
Fair value of the plan’s assets 

December 31, 2019 
G0 Plan 

G1 Plan 
Total 
(3,067,094)  (3,046,255)  (6,113,349)  (2,532,338)  (2,606,107) 
- 
2,752,417 

G1 Plan  G0 Plan 

2,168,436 

2,752,417 

- 

Total 
(5,138,445) 
2,168,436 

December 31, 2018 

Liability as per statement of financial position – pension obligations 

(314,677)  (3,046,255)  (3,360,932) 

(363,902)  (2,606,107) 

(2,970,009) 

F-101 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Pension obligations 

Plan’s liabilities 
Defined benefit obligation, beginning of the year 
Current service cost 
Interest cost 
Actuarial (gains)/losses recorded as other 
comprehensive income 
Benefits paid 
Defined benefit obligation, end of the year 

December 31, 2019 
G0 Plan 

G1 Plan 

Total 

G1 Plan 

December 31, 2018 
G0 Plan 

Total 

(2,532,338) 
(47,001) 
(224,429) 

(392,876) 
129,550 

(2,606,107) 
(227,367) 
- 

(397,597) 
184,816 

(5,138,445) 
(274,368) 
(224,429) 

(790,473) 
314,366 

(2,319,841) 
(13,905) 
(213,201) 

(2,543,877) 
(232,248) 
- 

(114,188) 
128,797 

(10,783) 
180,801 

(4,863,718) 
(246,153) 
(213,201) 

(124,971) 
309,598 

(3,067,094) 

(3,046,255) 

(6,113,349) 

(2,532,338) 

(2,606,107) 

(5,138,445) 

Plan’s assets 
Fair value of the plan’s assets, beginning of the year 
Expected return on the plan assets 
Expected Company’s contributions 
Expected participant’s contributions 
Benefits paid 
Actuarial gains/(losses) recorded as other 
comprehensive income 
Fair value of the plan’s assets, end of the year 

2,168,436 
192,965 
36,968 
38,391 
(129,549) 

445,206 
2,752,417 

- 
- 
- 
- 
- 

- 
- 

2,168,436 
192,965 
36,968 
38,391 
(129,549) 

445,206 
2,752,417 

1,931,380 
179,449 
36,199 
36,336 
(128,797) 

113,869 
2,168,436 

- 
- 
- 
- 
- 

- 
- 

1,931,380 
179,449 
36,199 
36,336 
(128,797) 

113,869 
2,168,436 

(Deficit)/Surplus 

(314,677) 

(3,046,255) 

(3,360,932) 

(363,902) 

(2,606,107) 

(2,970,009) 

F-102 

 
  
  
  
  
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Despite the decrease in interest rate in the year, the decrease of actuarial deficit in G1 Plan was mainly due to the higher profitability 
of the plan’s assets. 

Other comprehensive income 

Pursuant to IAS19, the Company recognizes gains/(losses), due to changes in assumptions under equity, as valuation adjustments 
to equity, as shown below: 

December 31, 2019 
G0 Plan 

G1 Plan 

Total 

G1 Plan 

December 31, 2018 
G0 Plan 

Total 

December 31, 2017 
G0 Plan 

G1 Plan 

Total 

Actuarial gains/(losses) on obligations 
Actuarial gains/(losses) recorded as other 
comprehensive income 
Total gains/(losses) 
Deferred income tax and social contribution  
Valuation adjustments to equity 

(392,876) 
445,206 
52,330 
(17,792) 
34,538 

(397,597) 
- 
(397,597) 
- 
(397,597) 

(790,473) 
445,206 
(345,267) 
(17,792) 
(363,059) 

(114,188) 
113,869 
(319) 
108 
(211) 

(10,783) 
- 
(10,783) 
- 
(10,783) 

(124,971) 
113,869 
(11,102) 
108 
(10,994) 

305,511 
52,083 
357,594 
(121,582) 
236,012 

51,535 
- 
51,535 
- 
51,535 

357,046 
52,083 
409,129 
(121,582) 
287,547 

The amounts recognized in the year are as follows: 

Cost of service, net 
Interest cost rates 
Expected return on the plan’s assets 
Amount received from GESP (undisputed) 
Total expenses 

Actuarial assumptions: 

Discount rate – actual rate (NTN-B)  
Inflation rate 
Expected nominal rate of return on assets 
Nominal rate of salary growth 
Mortality table 

December 31,  2019 
G0 Plan 
227,367 
- 
- 
(97,300) 
130,067 

G1 Plan 
8,609 
224,429 
(192,965) 
- 
40,073 

Total 

235,976 
224,429 
(192,965) 
(97,300) 
170,140 

December 31, 2018 
G0 Plan 
232,248 
- 
- 
(96,282) 
135,966 

G1 Plan 
(22,431) 
213,201 
(179,449) 
- 
11,321 

Total 
209,817 
213,201 
(179,449) 
(96,282) 
147,287 

G1 Plan 

December 31, 2017 
G0 Plan 
262,873 
- 
- 
(95,191) 
167,682 

(35,093) 
260,409 
(183,689) 
- 
41,627 

Total 
227,780 
260,409 
(183,689) 
(95,191) 
209,309 

December 31, 2019 

December 31, 2018 

December 31, 2017 

G1 Plan 
3.37% a.a. 
3.5% a.a. 
6.99%a.a. 
5.57% a.a. 
AT-2000 

G0 Plan 
3.36% a.a. 
3.5% a.a. 
- 
5.57% a.a 
AT-2000 

G1 Plan 
4.91% a.a. 
4.01% a.a. 
9.12%a.a. 
6.09% a.a. 
AT-2000 

G0 Plan 
4.84% 
4.01% 
- 
6.09% a.a 
AT-2000 

G1 Plan 
5.35% a.a. 
3.96% a.a. 
9.52%a.a. 
6.04% a.a. 
AT-2000 

G0 Plan 
5.30% 
3.96% 
- 
6.04% a.a 
AT-2000 

F-103 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Sensitivity analysis 

         Sensitivity analysis of the defined benefit pension plan as of December 31, 2019 regarding the changes in the main assumptions 

are: 

Change in 
assumption 
Increase of 1.0% 
Decrease of 1.0% 
Increase of 1 year 
Decrease of 1 year 
Increase of 1.0% 
Decrease of 1.0% 

Assumptions 

Discount rate 

Life expectation 

Wage increase rate 

(i)  G1 Plan 

Impact on presente value of the defined benefit obligations 

G1 
Decrease of R$ 326,714 
Increase of R$ 396,026 
Increase of R$ 80,048 
Decrease of R$ 72,676 
Increase of R$ 36,140 
Decrease of R$ 31,070 

G0 
Decrease of R$ 301,727 
Increase of R$ 314,156 
Increase of R$ 117,324 
Decrease of R$ 140,051 
Increase of R$ 388,886 
Decrease of R$ 372,127 

Managed by Sabesprev, the defined benefit plan (“G1 Plan”) receives similar contributions established in a plan of subsidy of 
actuarial study of Sabesprev, as follows: 

•    0.99% of the portion of the salary of participation up to 20 salaries; and 
•    8.39% of the surplus, if any, of the portion of the salary of participation over 20 salaries. 

In 2019, the expenses related to defined benefit obligation amounting to R$ 29,637, R$ 4,187 and R$ 2,685 were recorded in 
operating costs, and selling and administrative expenses, respectively (R$ 7,530, R$ 1,133 and R$ 704 in 2018 and R$ 35,156, 
R$ 1,864 and R$ 619 in 2017). The amount of R$ 3,564 (R$ 1,955 in 2018) was capitalized in assets.  

The active participants as of December 31, 2019 totaled 3,758 (4,056 as of December 31, 2018), while inactive participants were 
7,399 (7,149 as of December 31, 2018). 

F-104 

 
  
  
  
 
  
  
          
  
  
          
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

The expected benefit to be paid in 2020 referring to the G1 pension plan is R$ 167,202. 

The contributions of the Company and participants of the G1 Plan in 2019 were R$ 36,968 (R$ 36,199 in 2018) and R$ 38,391 
(R$ 36,336 in 2018), respectively. Of this amount, the Company and the participants’ payments corresponding to the actuarial 
deficit of the G1 pension plan totaled R$ 25,531 and R$ 13,497, respectively, in 2019. 

Estimated expenses 

Service cost  
Interest cost rates 
Net profitability on financial assets 
Expense to be recognized by the employeer 

Plan’s assets 

2020 

3,796 
208,485 
(187,317) 
24,964 

The plan’s investment policies and strategies are aim at getting consistent returns and reduce the risks associated to the utilization 
of financial assets available on the Capital Markets through diversification, considering factors, such as the liquidity needs and the 
long-term nature of the plan liability, types and availability of financial instruments in the local and international markets, general 
economic conditions and forecasts as well as requirements under the law.  The plan's asset allocation management strategies are 
determined with the support of reports and analysis prepared by Sabesprev and independent financial advisors: 

December 31, 2019 

December 31, 2018 

% 

Total fixed income 
Total equities 
Total structures investments 
Other 
Fair value of the plan’s assets 
Restrictions with respect to asset portfolio investments, in the case of federal government securities: 

1,795,554 
301,707 
630,933 
24,223 
2,752,417 

1,477,643 
249,740 
431,828 
9,225 
2,168,436 

68.1 
11.6 
19.9 
0.4 
100 

% 
65.2 
11.0 
22.9 
0.9 
100 

i) instruments securitized by the National Treasury will not be permitted; 
ii) derivative instruments must be used for hedge. 

F-105 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Restrictions with respect to asset portfolio investments, in the case of variable-income securities for internal management, are as 
follows: 

i) day-trade operations will not be permitted; 
ii) sale of uncovered share is prohibited; 
iii) swap operations without guarantee are  prohibited 
iv) leverage will not be permitted, i.e., operations with derivatives representing leverage of  asset or selling  short, such operations 
cannot result in losses higher than   invested amounts. 

As of December 31, 2019, Sabesprev did not have financial assets issued by the Company in its own portfolio; however, said assets 
could have been part of the investment fund portfolio invested by the Foundation. The real estate held in the portfolio is not used 
by the Company. 

(ii)  G0 Plan  

Pursuant to State Law 4,819/1958, employees who started providing services prior to May 1974 and retired as an employee of the 
Company acquired a legal right to receive supplemental pension payments, which rights are referred as "G0 Plan ". The Company 
pays  these  supplemental  benefits  on  behalf  of  the  State  Government  and  makes  claims  for  reimbursements  from  the  State 
Government, which are recorded as accounts receivable from related parties, limited to the amounts considered virtually certain 
that will be reimbursed by the State Government.  

The number of active participants of Plan - Go as of December 31, 2019 and 2018 was 10. The number of beneficiaries, retirees and 
survivors as of December 31, 2019 was 1,960 (2,038 as of December 31, 2018).  

The benefit payable from the Go pension plan expected for 2020 is R$180,382. 

In 2019 and 2018, the expenses related to the defined benefit obligation under Plan G0 were recorded in administrative expenses. 

Estimated expenses for 2020 

Interest cost rate 
Expense to be recognized 

2020 

206,262 
206,262 

F-106 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(iii)    Sabesprev Mais Plan 

As of December 31, 2019, this Defined Contribution Plan administered by Sabesprev had had 9,774 active and assisted participants 
(9,586 as of December 31, 2018). 

With respect to the Sabesprev Mais plan, the contributions from the sponsor represent 100% over the total basic contribution from 
the participants.  

In 2019, the expenses related to defined pension plan amounting to R$ 14,293, R$ 1,865 and R$ 3,845 were recorded in operating 
costs, and selling and administrative expenses, respectively (R$ 13,227, R$ 1,820 and R$ 3,599 in 2018 and R$ 12,034, R$ 1,744 
and R$ 3,245 in 2017). The amount of R$ 2,458 (R$ 2,115 in 2018) was capitalized in assets. 

(iv)     FUNCESP plan 

Sabesprev Mais Plan was closed to new adhesions on December 31, 2019, and as of January 1, 2020, hired employees will have the 
option to join the Fundação Cesp Defined Contribution Plan (FUNCESP), as well as those employees not opting for the Sabesprev 
Mais Plan. 

(c)      Profit sharing  

The Company has a profit-sharing program in accordance with an agreement with labor union and SABESP. The period covered 
represents the Company fiscal year, from January to December 2019. The limit of the profit sharing is up to one-month salary for 
each employee, depending on performance goals reached. As of December 31, 2019, the Program’s balance payable was recorded 
under “salaries, payroll charges and social contributions” in the amount of R$ 93,486 (R$ 110,464 as of December 31, 2018). 

21           Services payable 

The services account records the balances payable, mainly from services received from third parties, such as supply of electric 
power, reading of hydrometers and delivery of water and sewage bills, cleaning, surveillance and security services, collection, legal 
counsel services, audit, marketing and advertising and consulting services, among others.  This account also includes the amounts 
payable to the Municipal Fund of Environmental Sanitation and Infrastructure based on a percentage of the revenues from São 
Paulo  municipal  government  (Note  14  (c)  (v)  (6)).   The  balances  as  of  December  31,  2019  and  2018  were  R$  474,078  and  R$ 
454,022, respectively.  

F-107 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

22          Knowledge Retention Program 

a)  Knowledge Retention Program (PRC) 

In June 2018, SABESP implemented the Knowledge Retention Program (PRC), which is expected to end in December 2020, aiming 
to  provide  personnel  planning  conditions  and  mitigate  the  impact  of  the  exit  of  employees  who  possess  strategic  knowledge 
acquired throughout their career. 

For those enrolled in the Program, the compliance with the agreements of the Collective Bargaining Agreement effective on the 
date of  termination  is thereby guaranteed. They will also receive a severance incentive proportional to the length  of  service  at 
SABESP,  corresponding  to  a  percentage  of  the  balance  of  the  Guarantee  Fund  for  Length  of  Service  (FGTS),  for  termination 
purposes, on the date of termination. 

In  2019,  the  Company  paid  the  amount  of  R$  43,905,  corresponding  to  the  exit  of  employees  enrolled  in  the  Program.  As  of 
December 31, 2019, the total balance was R$ 153,377 in current liabilities (as of December 31, 2018 - R$ 74,324 in current liabilities 
and R$ 122,148 in non-current liabilities). 

b)  Consent Decree (“TAC”) 

On  February  20,  2009,  SABESP  signed  a  Consent  Decree,  proposed  by  the  State  Prosecution  Office,  in  which  the  Company 
undertook to: a) continue hiring employees by means of public competition, except for filling positions in commission or trust 
functions; b) gradually dismissing retired employees, replacing them with permanent staff, except in segments where increased 
efficiency requires the reduction in the effective number of employees. 

The Consent Decree clarifies “the need of training and carrying out phased dismissal of approximately two thousand an two 
hundred (2,200) retired employees within a reasonable period of time, as well as those who will retire in the future”, which 
allowed interpreting that the Consent Decree did not cover the approximately 2,200 retirees at that time, but all other employees 
who  retire  at   SABESP.   Accordingly,  the  Company  created  a  provision  for  indemnity  of  all  retired  employees  who  worked  at 
SABESP. 

On October 11, 2019, the Prosecutor filed the Consent Decree stating that for the time elapsed and the successive information 
provided  by  SABESP,  the  objective  of  the  Consent  Decree  was  fully  complied  with.   Accordingly,  the  amount  of   R$   173,284, 
corresponding to the provisioned amount related to number of employees who retired after February 20, 2009 was reversed, taking 
into consideration that the Consent Decree was filed following the dismissal of the 2,200 retired employees on the date the Decree 
was signed. 

F-108 

 
  
  
  
   
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

As of December 31, 2019, the amount provisioned under “Labor obligations”, related to the Consent Decree totaled R$ 10,472 (R$ 
140,818 as of December 31, 2018), of which R$ 8,242 (R$ 136,293 as of December 31, 2018) under current liabilities, and R$ 2,230 
(R$ 4,525 as of December 31, 2018) under noncurrent liabilities. 

23           Equity  

(a)         Authorized capital  

As of December 31, 2019 and 2018 the Company’s capital is R$ 15,000,000. 

(b)         Subscribed and paid-in capital 

As of December 31, 2019 and 2018, subscribed and paid-in capital was represented by 683,509,869 registered, book-entry common 
shares with no par value, as follows: 

December 31, 2019 

December 31, 2018 

Number of shares 

%   Number of shares 

%  

343,524,285 
235,643,765 
103,823,655 
518,164 

50.26 
34.47 
15.19 
0.08 

343,524,285 
212,612,143 
125,278,967 
2,094,474 

50.26 
31.10 
18.33 
0.31 

683,509,869 

100.00 

683,509,869 

100.00 

State Department of Finance 
Companhia Brasileira de Liquidação e Custódia (**) 
The Bank of New York ADR Department   (equivalent in shares) (*) (**) 

Other 

(*)       each ADR corresponds to 1 share.  
(**)     custodians 

(c)          Distribution of earnings 

Shareholders are entitled to a minimum mandatory dividend of 25% of the adjusted net income under Brazilian GAAP, calculated 
according to the Brazilian corporate law.  The dividends do not bear interest and the amounts not claimed within three years from 
the date of the Shareholders' Meeting that approved them mature in favor of the Company. 

F-109 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Profit for the year 
(-) Legal reserve - 5% 

Minimum mandatory dividend – 25%  
Dividend per share and per ADS 

2019 
3,367,517 
168,376 

2018 
2,835,068 
141,755 

2017 
2,519,310 
125,965 

3,199,141 

2,693,313 

2,393,345 

799,785 
1.17012 

673,328 
0.9851 

598,336 
0.87539 

On April 29, 2019, the Shareholders’ General Meeting approved the distribution of dividends as interest on capital amounting to 
R$ 118,859, for the 2018 fiscal year. Therefore, the amount of R$ 60,331 related to the surplus minimum mandatory dividends of 
25%,  set  forth  in  the  Bylaws,  recorded  in  the  2018  equity  under  “Additional  proposed  dividends”  was  transferred  to  current 
liabilities.  These amounts started being paid in June 2019.  

The  Company  proposed  dividends  as  interest  on  capital  ad  referendum  of  the  Annual  Shareholders’  Meeting  of  2020,  in  the 
amount of R$ 799,785 (R$ 673,328 in 2018) and additional proposed dividends in the amount of R$ 141,203 (R$ 118,859 in 2018), 
totaling R$ 940,988 (R$ 792,187 in 2018), corresponding to R$ 1.3767 per common share (R$ 1.1590 in 2018), to be resolved on 
the Shareholders’ Meeting to be held on April 28, 2020. The amount exceeding the minimum mandatory dividend due in the year 
of  R$  141,203  (R$  118,859  in  2018)  was  reclassified  into  equity  to  the  “Additional  proposed  dividends”  account,  this  amount 
includes the withholding income tax of R$60,230 (R$58,258 in 2018). 

Pursuant to CVM Resolution 207/1996, the Company imputed interest on capital to the minimum dividend by its net value of 
withholding income tax. The amount of R$ 60,230 (R$ 58,258 in 2018) referring to the withholding income tax was recognized in 
current liabilities, in order to comply with tax liabilities related to the credit of interest on capital. 

The interest on capital balance payable as of December 31, 2019, totaling R$ 800,352 (R$ 673,765 in 2018), refers to the amount 
of R$ 799,785 (R$ 673,328 in 2018) declared in 2019, net of withholding income tax and R$ 567 declared in previous years (R$ 437 
in 2018). 

(d)         Legal reserve 

Earnings reserve - legal reserve is a requirement for all Brazilian corporations and represents an allocation of retained earnings of 
5% of annual net income determined based on Brazilian law, up to 20% of capital.  However, we are not required to make any 
allocations  to  our  legal  reserve  in  a  year  in  which  the  legal  reserve,  when  added  to  our  other  established  capital  and  earnings 
reserves, exceeds 30% of our capital stock.  The amounts allocated to such reserve may only be used to increase our capital stock 
or to offset losses and are not available for the payment of dividends. 

F-110 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(e)          Investments reserve 

Earnings reserve - investments reserve is specifically formed by the portion corresponding to own funds assigned to the expansion 
of the water supply and sewage treatment systems, based on capital budget approved by the Management. 

As of December 31, 2019 and 2018, the balance of investment reserve totaled R$6,098,575 and R$3,840,422, respectively. 

Pursuant to paragraph four of article 28 of the by-laws, the Board of Directors may propose to the Shareholders’ Meeting that the 
remaining balance of profit for the year, after deducting the legal reserve and minimum mandatory dividends, be allocated to an 
investment reserve that will comply with the following criteria:  

I-   its balance, jointly with the balance of the other earnings reserves, except for reserves for contingencies and realizable 

profits, may not exceed the   capital stock; 

II- the reserve is intended to guarantee the investment plan and its balance may be used: 

a) to absorb losses, whenever necessary;  
b)  to distribute dividends, at any moment;  
c)   in share redemption, reimbursement or purchase transactions authorized by    law;  
d)  in incorporation to the capital stock. 

(f) Allocation of profit for the year 

Profit 
(+) 
(-) 
(-) 
(-) 

Profit for the year 
Legal reserve – 5% 
Minimum mandatory dividends 
Additional proposed dividends 

Investment reserve recorded 

2019 

2018 

2017 

3,367,517 
168,376 
799,785 
141,203 

2,258,153 

2,835,068 
141,755 
673,328 
118,859 

1,901,126 

2,519,310 
125,965 
598,336 
105,543 

1,689,466 

Management  will  send  for  approval  at  the  Shareholders’  Meeting,  a  proposal  to  reallocate  retained  earnings  the  amount  of 
R$2,258,153 to the Investment Reserve account, in order to meet the investment needs foreseen in the Capital Budget.  

F-111 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

(g)      Retained earnings 

Retained earnings (accumulated losses): the statutory balance of this account is zero as all retained earnings must be distributed 
or allocated to an earnings reserve. 

(h)      Other comprehensive loss 

Gains  and  losses  arising  from  changes  in  the  actuarial  assumptions  are  accounted  for  as  equity  valuation  adjustments,  net  of 
income tax and social contribution effects.  See Note 20 (b), the breakdown of amounts recorded in 2019 and 2018. 

Balance as of December 31, 2018 
Actuarial gains/(losses) for the year (Note 20 (b)) 
Balance as of December 31, 2019 

24           Earnings per share 

Basic and diluted 

G1 plan 

70,716 
34,538 
105,254 

G0 plan 

(619,811) 
(397,597) 
(1,017,408) 

Total 

(549,095) 
(363,059) 
(912,154) 

Basic earnings per share is calculated by dividing the equity attributable to the Company’s owners by the weighted average number 
of outstanding common shares during the year.  The Company does not have potentially dilutive common shares outstanding or 
debts convertible into common shares.  Accordingly, basic and diluted earnings per share are equal. 

Earnings attributable to Company’s owners 
Weighted average number of common shares issued 

2019 

2018 

2017 

3,367,517 
683,509,869 

2,835,068 
683,509,869 

2,519,310 
683,509,869 

Basic and diluted earnings per share (reais per share) 

4.93 

4.15 

3.69 

25          Operating segment information       

Management, comprised of the Board of Directors and Board of Executive Officers, has determined the operating segment used to 
make strategic decisions, as sanitation services. 

F-112 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Result 

Gross operating revenue 
Gross sales deductions 
Net operating revenue  
Costs, selling and administrative expenses 
Income from operations before other net operating expenses, 
net and equity accounting  
Other operating income / (expenses), net 
Equity accounting 
Financial result, net 
Income from operations before taxes 
Depreciation and amortization 

Sanitation (i) 
16,134,032 
(1,096,944) 
15,037,088 
(9,375,590) 

5,661,498 

2019 

Reconciliation to the 
financial statements (ii) 
2,946,566 
- 
2,946,566 
(2,881,394) 

65,172 

(1,780,094) 

Balance as per financial 
statements 
19,080,598 
(1,096,944) 
17,983,654 
(12,256,984) 

5,726,670 
(18,748) 
3,701 
(1,033,681) 
4,677,942 
(1,780,094) 

(i)  See  note  32  for  further  information  about  non-cash  items,  other  than  depreciation  and  amortization  that  impact  segment 
results, and for additionals to long-lived asset information; 

(ii) Construction revenue and related costs not reported to the CODM. Revenue from construction is recognized in accordance 
with IFRIC 12 (Concession Agreements) and IFRS 15 (Revenue from Contracts with Customers), as all performance obligations 
are satisfied over time. See Note 14 (e). 

F-113 

 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Gross operating revenue 
Gross sales deductions 
Net operating revenue  
Costs, selling and administrative expenses 
Income from operations before other net operating expenses, 
net and equity accounting  
Other operating income / (expenses), net 
Equity accounting 
Financial result, net 
Income from operations before taxes 
Depreciation and amortization 

Sanitation (i) 
14,253,609 
(971,185) 
13,282,424 
(8,203,883) 

5,078,541 

2018 

Reconciliation to the 
financial statements (ii) 
2,802,670 
- 
2,802,670 
(2,739,657) 

63,013 

(1,392,541) 

Balance as per financial 
statements 
17,056,279 
(971,185) 
16,085,094 
(10,943,540) 

5,141,554 
28,591 
6,510 
(1,264,336) 
3,912,319 
(1,392,541) 

(i)  See  note  32  for  further  information  about  non-cash  items,  other  than  depreciation  and  amortization  that  impact  segment 
results, and for additionals to long-lived asset information; 

(ii) Construction revenue and related costs not reported to the CODM. Revenue from construction is recognized in accordance 
with IFRIC 12 (Concession Agreements) and IFRS 15 (Revenue from Contracts with Customers), as all performance obligations 
are satisfied over time. See Note 14 (e). 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

Gross operating revenue 
Gross sales deductions 
Net operating revenue  
Costs, selling and administrative expenses 
Income from operations before other net operating expenses, 
net and equity accounting  
Other operating income / (expenses), net 
Equity accounting 
Financial result, net 
Income from operations before taxes 
Depreciation and amortization 

Sanitation (i) 
12,223,746 
(766,390) 
11,457,356 
(7,566,104) 

3,891,252 

2017 

Reconciliation to the 
financial statements (ii) 
3,150,877 
- 
3,150,877 
(3,080,542) 

70,335 

(1,301,897) 

- 

Balance as per financial 
statements 
15,374,623 
(766,390) 
14,608,233 
(10,646,646) 

3,961,587 
(5,679) 
5,760 
(458,054) 
3,503,614 
(1,301,897) 

(i)  See  note  32  for  further  information  about  non-cash  items,  other  than  depreciation  and  amortization  that  impact  segment 
results, and for additionals to long-lived asset information; 

(ii) Construction revenue and related costs not reported to the CODM. 

Explanation  on  the  reconciliation  items  for  the  financial  statements.  The  impacts  on  gross  operating  income  and  costs  are  as 
follows: 

Gross revenue from construction recognized under IFRIC 12  (a) 
Construction costs recognized under IFRIC 12 (a) 

2,946,566 
(2,881,394) 

2,802,670 
(2,739,657) 

3,150,877 
(3,080,542) 

Construction margin 

65,172 

63,013 

70,335 

(a)    Revenue from concession construction contracts is recognized in accordance with Note 3.3 (b). 

2019 

2018 

2017 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

26          Insurance 

The Company has insurance that covers fire and other damage to its assets and office buildings, and liabilities to third parties, among 
others.  It  also  has  civil  liability  insurance  for  the  members  of  the  Board  of  Directors  and  Board  of  Executive  Officers  (“D&O 
insurance”)  and  guarantee  insurance  for  escrow  deposit  (as  described  in  Note  19  (f))  and  traditional  guarantee  insurance.  The 
Company contracts insurance through bidding processes with the participation of the main Brazilian and international insurance 
companies that operate in Brazil.  

As of December 31, 2019, the Company’s insurance coverage is as follows: 

Specified risks – fire 
Engineering risk 
Guarantee insurance for escrow deposit 
Traditional guarantee insurance 
Civil liability– D&O (Directors and Officers) 
Civil liability – works 
Domestic and international transportation 
Civil liability – operations 
Other 
Total 

Coverage 

2,185,827  
1,960,248  
500,000  
100,000  
100,000  
105,695  
6,058  
5,000  
14  
4,962,842  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

27           Operating revenue 

(a)   Revenue from sanitation services: 

Metropolitan region of São Paulo 
Regional Systems  
Total  

2019 

2018 

2017 

11,849,776 
4,284,256 
16,134,032 

10,295,509 
3,958,100 
14,253,609 

8,636,926 
3,586,820 
12,223,746 

(b)    Reconciliation between gross operating income and net operating income: 

Revenue from sanitation services (i)  
Construction revenue 
Sales tax 
Regulatory, Control and Oversight Fee (TRCF) (ii) 
Net revenue 

2019 

2018 

2017 

16,134,032 
2,946,566 
(1,035,051) 
(61,893) 
17,983,654 

14,253,609 
2,802,670 
(916,808) 
(54,377) 
16,085,094 

12,223,746 
3,150,877 
(757,619) 
(8,771) 
14,608,233 

(i)   Includes the amount of R$70,122 corresponding to the TRCF charged from  customers from the municipalities  regulated  by 
ARSESP (R$ 63,901 in 2018). 
(ii)Amount  payable  to  ARSESP  referring  to  regulatory,  control  and  oversight  activities,  pursuant  to  State  Complementary  Law 
1,025/07. 

F-117 

 
  
  
  
 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
 
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

28          Operating costs and expenses  

Operating costs 
     Salaries, payroll charges and benefits 
     Pension obligations  
     Construction costs (Note 25) 
     General supplies 
     Treatment supplies 
     Outsourced services 
     Electricity 
     General expenses 
     Depreciation and amortization 

Selling expenses 
     Salaries, payroll charges and benefits 
     Pension obligations 
     General supplies 
     Outsourced services 
     Electricity 
     General expenses 

           Depreciation and amortization 

Bad debt expense, net of recoveries (Note 9 (c)) 

Administrative expenses 
     Salaries, payroll charges and benefits 
     Pension obligations 
     General supplies 
     Outsourced services 
     Electricity 
     General expenses 
     Depreciation and amortization 
     Tax expenses 

Operating costs and expenses 
     Salaries, payroll charges and benefits 
     Pension obligations 
     Construction costs (Note 25) 
     General supplies 
     Treatment supplies 
     Outsourced services 
     Electricity 
     General expenses 
     Depreciation and amortization 
     Tax expenses 

           Bad debt expense, net of recoveries (Note 9 (c))  

2019 

2018 

2017 

(1,938,265) 
(49,564) 
(2,881,394) 
(259,401) 
(310,380) 
(1,250,890) 
(1,140,160) 
(647,804) 
(1,659,779) 
(10,137,637) 

(270,549) 
(6,848) 
(10,332) 
(360,190) 
(1,333) 
(122,503) 
(31,649) 
(803,404) 

(128,099) 

(278,507) 
(138,207) 
(3,216) 
(197,357) 
(1,436) 
(407,250) 
(88,666) 
(73,205) 
(1,187,844) 

(2,487,321) 
(194,619) 
(2,881,394) 
(272,949) 
(310,380) 
(1,808,437) 
(1,142,929) 
(1,177,557) 
(1,780,094) 
(73,205) 
(128,099) 
(12,256,984) 

(1,959,539) 
(25,066) 
(2,739,657) 
(238,034) 
(265,146) 
(996,477) 
(956,840) 
(629,253) 
(1,276,444) 
(9,086,456) 

(289,378) 
(3,602) 
(6,391) 
(273,470) 
(1,154) 
(102,213) 
(17,272) 
(693,480) 

(166,727) 

(254,284) 
(141,758) 
(4,881) 
(204,728) 
(1,363) 
(232,288) 
(98,825) 
(58,750) 
(996,877) 

(2,503,201) 
(170,426) 
(2,739,657) 
(249,306) 
(265,146) 
(1,474,675) 
(959,357) 
(963,754) 
(1,392,541) 
(58,750) 
(166,727) 
(10,943,540) 

(1,841,571) 
(48,381) 
(3,080,542) 
(163,712) 
(287,592) 
(857,063) 
(794,352) 
(531,985) 
(1,173,765) 
(8,778,963) 

(305,440) 
(7,296) 
(4,451) 
(258,287) 
(762) 
(94,112) 
(15,664) 
(686,012) 

(82,681) 

(229,752) 
(171,830) 
(5,675) 
(183,746) 
(965) 
(302,113) 
(112,468) 
(92,441) 
(1,098,990) 

(2,376,763) 
(227,507) 
(3,080,542) 
(173,838) 
(287,592) 
(1,299,096) 
(796,079) 
(928,210) 
(1,301,897) 
(92,441) 
(82,681) 
(10,646,646) 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

29          Financial Income (Expenses) 

Financial expenses 

Interest and charges on borrowings and financing – local currency  

Interest and charges on borrowings and financing – foreign currency 

Other financial expenses (i) 

Income tax over international remittance 

Inflation adjustment on borrowings and financing (ii) 

Other inflation adjustments (i)  

Interest and inflation adjustments on provisions (iii) 

Total financial expenses 

Financial income 

Inflation adjustment gains (iv) 

Income on short-term investments (v) 

Interest income (vi) 

Cofins and Pasep  

Other  

Total financial income 

2019 

2018 

2017 

(331,367) 

(165,421) 

(344,508) 

(17,650) 

(44,802) 

(107,584) 

(162,093) 

(332,149) 

(171,686) 

(187,563) 

(19,779) 

(66,183) 

(45,193) 

14,586 

(289,780) 

(119,100) 

(97,533) 

(17,901) 

(62,787) 

(50,941) 

(50,238) 

(1,173,425) 

(807,967) 

(688,280) 

91,180 

151,622 

150,054 

(20,028) 

14 

372,842 

105,952 

187,094 

175,939 

(22,693) 

10 

446,302 

89,010 

195,992 

57,166 

(16,366) 

442 

326,244 

Financial income (expenses), net before exchange rate changes 

(800,583) 

(361,665) 

(362,036) 

Exchange gains (losses) 

Exchange rate changes on borrowings and financing (vii) 

(233,960) 

(915,897) 

(96,300) 

Exchange rate changes on assets 

Other exchange rate changes 

Exchange rate changes, net 

Financial income (expenses), net 

863 

(1) 

13,235 

(9) 

336 

(54) 

(233,098) 

(902,671) 

(96,018) 

(1,033,681) 

(1,264,336) 

(458,054) 

(i)        Increase in recognition of interest on Public-Private Partnership (PPP) contracts, due to the beginning of the the service provision of São Lourenço Production System (SPSL), 

on July 10, 2018. 

(ii)      Decrease of R$ 21.4 milion in monetary variation derives mainly on local borrowings and financing, mainly in debentures, due to the amortization of the 15th and 17th debentures 

issue and the decrease of the TJLP from 6.98% in 2018 to 5.57% in 2019.  

(iii)    Lawsuits accrued interest and monetary restatement due to inflation in Brazil. The increase in interest and monetary restatement on lawsuits is due to a change in the expectations 

regarding unfavorable outcome of the court cases against the Company. 

(iv)    The monetary variations gains decreased mainly due to the higher restatement on escrow deposits. 

(v)      The decrease is a result of the reduction in the CDI rate, of 6.42% p.a. in 2019 and 5.96% p.a. in 2018. The average balance applied in 2019 was R$ 2.199 billion, compared to R$ 

2.972 billion in 2018. 

(vi)    The increase in interest income is mainly due to the recognition of interest on installment agreements with customers, in 2018 

(vii)   Decrease of R$ 681.9 million in exchange rate changes on borrowings and financing mainly due to the lower appreciation of the U.S. dolar and the Yen against the Real in 2019 

(4.0% and 5.3%, respectively), compared to appreciation presented in 2018 (17.1% and 20.0, respectively). 

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

30          Other operating income (expenses), net 

Other operating income, net  
Other operating expenses  

Other operating income (expenses), net 

2019 

75,667 
(94,415) 

(18,748) 

2018 

93,089 
(64,498) 

28,591 

2017 

75,410 
(81,089) 

(5,679) 

Other operating income is comprised by sale of property, plant and equipment, sale of contracts awarded in public bids, right to 
sell electricity, indemnities and reimbursement of expenses, fines and collaterals, property leases, reuse water, PURA projects and 
services, net of Cofins and Pasep. 

Other operating expenses consist mainly of derecognition of concessions assets due to obsolescence, discontinued construction 
works, unproductive wells, projects considered economically unfeasible, losses on property, plant and equipment and exceeding 
cost of electricity sold. 

31           Commitments 

The  Company  has  agreements  to  manage  and  maintain  its  activities,  as  well  as  agreements  to  build  new  projects  aiming  at 
achieving the objectives proposed in its target plan. Below, the main unrecorded committed amounts as of December 31, 2019: 

Contractual obligations – Expenses  

Contractual obligations – Investments 

Total 

1 year 

1-3 years 

3-5 years 

944,045 
2,247,765 

3,191,810 

2,787,402 
2,015,873 

4,803,275 

1,188,276 
745,603 

1,933,879 

More than 
5 years 

3,006,756 
36,611 

3,043,367 

Total 

7,926,479 
5,045,852 

12,972,331 

The main commitment refers to the São Lourenço PPP. See Note 14 (g). 

32          Supplemental cash flow information 

Total additions of contract assets (Note 13) 
Total additions to intangible assets (Note 14 (b)) 

Items not affecting cash (see breakdown below) 

2019 

2018 

2017 

3,532,283 
1,788,907 

3,188,943 
1,144,728 

- 
3,490,298 

(2,125,943) 

(2,201,112) 

(1,532,518) 

Total additions to intangible assets as per statement of cash flows 

3,195,247 

2,132,559 

1,957,780 

Investment and financing operations affecting intangible assets but not cash: 
Interest capitalized in the year (Note 14 (d)) 
Contractors payable 
Program contract commitments  
Public Private Partnership - São Lourenço PPP (Note 14 (g))  
Leases  
Performance agreements 
Right of use 
Construction margin (Note 25) 
Agreement with the Municipality of Santo André (Note 9 (a)) 
Agreement with the municipality of Guarulhos (Note 9 (a)) 
Total 

F-120 

233,251 
252,675 
35,817 
10,591 
- 
78,296 
113,233 
65,172 
1,336,908 
- 
2,125,943 

488,502 
297,872 
149,974 
273,737 
- 
- 
- 
63,013 
- 
928,014 
2,201,112 

649,048 
213,340 
95,126 
501,591 
3,078 
- 
- 
70,335 
- 
- 
1,532,518 

 
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

33          Events after the reporting period 

•  25th Issuance of Debentures  

On February 20, 2020, the Board of Directors approved the 25th issuance simple, unsecured, non-convertible debentures, in up 
to three series, for public distribution, with restricted placement efforts, pursuant to CVM Instruction nº 476, in the total amount 
of  R  $  1,000,000,000.00.  The  amount  of  Debentures  to  be  allocated  in  each  series  of  the  Offer  will  occur  through  the 
communicating vessels system. 

In April 27, 2020, Sabesp carried out the twenty-fifth issuance of debentures of R$1.45 billion, with a maturity date of October 
2021 and bearing interest at a rate of CDI plus 3.30% per year. Considering the  uncertainties arising from the coronavirus crisis 
and its effect on the economy and financial markets, the Company decided to increase the amount issued in R$ 450 million. 

The proceeds from the issuance and offering of the Debentures will be used to the refinance of its financial commitments maturing 
in 2020 and to replenish the Company's cash position.   

•  COVID-19 (Coronavírus)  

The  services  provided  by  the  Company  become  even  more  essential  to  society  in  the  context  of  the  COVID  19  pandemic.  The 
interruption of water supply by a basic sanitation company may compromise the guidance given by the World Health Organization 
(WHO) so that everyone maintains good hygiene habits, such as washing your hands correctly and more often. 

The Company has implemented several preventive measures so that its employees are not exposed to risky situations, such as: (i) 
use of home-office practice particularly in the administrative sectors and for all employees over 60; (ii) restriction of national and 
international travel; (iii) use of remote communication; (iv) anticipation of the vaccination campaign; among others. The Company 
additionally  took  all  necessary  preventive  measures  so  that  employees  with  strategic  functions  can  comply  with  them  without 
increasing the risk of contamination, ensuring continuity in the provision of essential services. 

Some materials used in the treatment of water and sewage are imported and may suffer some type of restriction, however these 
can be replaced by alternative products in Brazil. Accordingly, there is no expectation of any negative effect on the Company's 
operations. 

On March 20, 2020, SABESP released a Material Fact stating that the Executive Board approved the proposal to exempt customer 
categories  consumption  of  "Residencial  Social"  and  "Residencial  Favela  (Shantytown)"  from  paying  water/sewage  bills.  This 
measure covers all municipalities operated for a period of 90 days and refer to accounts issued as of April 1, 2020, which must be 
ratified by the Board of Directors. To preserve the economic and financial sustainability of Company, the impact on revenue may 
be offset by reduced expenses and budgetary adjustments. 

On March 22, 2020, the São Paulo State Government decreed quarantine throughout the State, restricting activities in order to 
avoid the accelerated spread of COVID 19. In this sense, the Company's revenues in the commercial and public categories may 
have a negative impact in future reporting periods due to the reduction in the level of activity. On the other hand, this same measure 
may increase consumption in the residential category. The trend in the industrial category is not clear, since there are sectors that 
will increase production and, therefore, increase the demand for water, while others will have to reduce it.  

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Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

In order to cope with the constant investments in infrastructure, the Company annually uses third party capital, as a complement 
to its own resources. The impacts of COVID-19 in attracting borrowings and financing is still uncertain, however the Company has 
sufficient resources of funds to fulfill its short and medium term strategy for the next 12 months. 

At this time, it is not possible to assess all the impacts that COVID-19 may have in the future, for this reason this topic is being 
assessed daily by the Company's management. 

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 Companhia de Saneamento Básico do Estado de São Paulo - SABESP 

Notes to the Financial Statements 
Years ended December 31, 2019, 2018 and 2017 
Amounts in thousands of reais, unless otherwise indicated 

On March 30, 2020, the Board of Directors ratified the exemption approved by the Executive Board On March 19, 2020 that deals 
with  the  proposal  to  exempt  customer  categories  consumption  of  "Residencial  Social"  and  "Residencial  Favela  (Shantytown)", 
registered  on  March  19,  2020,  from  paying  water/sewage  bills  for  90  days  for  bills  issued  as  of  April  1,  2020,  covering   all 
municipalities operated by the Company. 

•  Tariff Adjustment Index  

On April 9, 2020, the São Paulo State Sanitation and Energy Regulatory Agency ("ARSESP") published Resolutions nº 980 and 
nº 979. 

Resolution nº 980 disclosing a tariff adjustment index of 2.4924% for the Company, broken down as follows: 

IPCA variation of 3.3032% in the period;  
• 
•  Efficiency Factor (X Factor) of 0.6920%; and  
•  Quality factor (Q Factor) of -0.1188%.  

However, considering Official Letter SIMA/GAB/370/2020, of the State Secretariat for Infrastructure and Environment, which 
requests  ARSESP  to  evaluate  the  possibility  of  postponing  the  tariff  adjustment  for  90  days,  further  to  Decree  64,879/2020, 
recognizing the state of public calamity resulting from the COVID-19 pandemic, ARSESP decided: 

•  To postpone the publication of the new tariff tables, resulting from the annual tariff adjustment to June 10, 2020;  
•  The adjusted tariff tables, including the tables of the municipalities of Iperó, Pereiras, Santa Branca and Santa Isabel, will 
be published by June 10, 2020 and will be applied as of thirty days from their publication, pursuant to Law 11,445/2007;  
•  The compensatory adjustments for the postponement of the application of the annual tariff adjustment will be calculated 

until June 10, 2020; and  

•  The amount to be compensated will be distributed in the tariffs in the period between July 10, 2020 and May 10, 2021, 

when the results of the Third Ordinary Tariff Revision will be applied.  

Resolution  No. 979 informs that ARSESP will evaluate  the economic-financial balance of the provision of services in order to 
restore it in due course, if necessary, as a result of the impact of the exemption from tariffs on water / sewage bills of consumers 
in the "Residential Social" and "Residential Favela (Shantytown)" categories consumption, registered on 03/19/2020 for 90 days 
for accounts issued as of 04/01/2020 and which will cover all municipalities operated by the Company. 

•  Conversion  from  Dollars  to  Reais  of  the  debt  contracted  with  the  Inter  American  Development  Bank 

(IDB)  

On April 28, 2020, the Company carried out the conversion from Dollars to Reais of the debt contracted with the Inter American 
Development Bank (IDB) in the amount of US$ 494,616,801.20, corresponding to the debt balance of the 2202 / OC-BR loan 
related to the Rio Tietê Stage III Depollution Program. The details are: 

o  Date: Executed, April 27, 2020 / effective, May 5, 2020  
o  Expiration: 3 September 2035  
o  Amortization: Semiannual installments   
o  Total amount:  

o  From: US$ 494,616,801.20  
o  To: R$ 2,810,907,281.22 
• 

Interest rate:  

o  From: Dollar - Libor 3 months + 0.39% per year (*)  
o  For: Reais – DI + 0.06% per year (*)  

(*) On this rate, the variable margin for loans from IDB Ordinary Capital is added. This rate is periodically determined by the bank and today is at 80 bps 

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DESCRIPTION OF SECURITIES  
REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT 

EXHIBIT 2.1 

As of December 31, 2019, Companhia de Saneamento Básico do Estado de São Paulo – SABESP (“we,” “us,” and “our”) had the following series of 

securities registered pursuant to Section 12(b) of the Exchange Act: 

Title of each class 

Trading Symbol(s) 

Name of each exchange on which registered 

Common Shares, without par value 

Not traded  

New York Stock Exchange * 

American Depositary Shares, evidenced by 
American Depositary Receipts, each 
representing one Common Share 

SBS 

New York Stock Exchange 

* Shares are not listed for trading, but only in connection with the registration of American Depositary Shares pursuant to the requirements of the New 

York Stock Exchange. 

Capitalized terms used but not defined herein have the meanings given to them in our annual report on Form 20-F for the fiscal year ended December 31, 

2019. 

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General 

COMMON SHARES, WITHOUT PAR VALUE 

Set out below is certain information concerning our authorized and issued share capital and a brief summary of certain significant provisions of our bylaws 
and Brazilian corporate law. This description does not purport to be complete and is qualified by reference to our bylaws (an English translation of which we 
have filed with the SEC) and to Brazilian corporate law.  

A copy of our bylaws is attached to our annual report on Form 20-F as “Exhibit 1.1— Bylaws of the Registrant (English translation) (incorporated by 
reference to the Form 6-K filed on December 09, 2019)”. We encourage you to read our bylaws and the applicable sections of our annual report for additional 
information. 

Share Capital 

Our capital stock is only composed of common shares, all without par value. As of December 31, 2019, our share capital was represented by 683,609,869 

common shares. Our common shares are publicly traded in Brazil on the B3, under the ticker symbol SBSP3.  

The State of São Paulo holds the majority of our common shares. See “Item 7.A. Major Shareholders and Related Party Transactions—Major Shareholder” 

of our annual report on Form 20-F. 

Rights, preferences and restrictions attaching to each class of shares 

Each common share entitles the holder thereof to one vote at our annual or special shareholders’ meetings. According to Brazilian Corporate Law and 
CVM regulations, our shareholders’ meetings must be called by publication of a notice in the Diário Oficial do Estado de São Paulo, the official government 
publication  of  the  State  of  São  Paulo,  and  in  a  newspaper  of  general  circulation  in  our  principal  place  of  business  (in  our  case,  the  publication  “Valor 
Econômico”), currently the city of São Paulo, at least fifteen days prior to the meeting. The quorum to hold shareholders’ meetings on first call requires the 
attendance of shareholders, either in person or by proxy, representing at least 25.0% of the shares entitled to vote and, on second call, the meetings can be held 
with the attendance of shareholders, also either in person or by proxy, representing any number of shares entitled to vote.   

Under Brazilian Corporate Law, our common shares are entitled to dividends or other distributions made in respect of our common shares in proportion 
to their share of the amount available for the dividend or distribution.  See “Item 8A. Financial Statements and Other Financial Information—Dividends and 
Dividend Policy” of our annual report on Form 20-F for a more complete description of payment of dividends and other distributions on our common shares.  In 
addition,  upon  any  liquidation  of  our  company,  our  common  shares  are  entitled  to  our  remaining  capital  after  paying  our  creditors  in  proportion  to  their 
ownership interest in us. 

In principle, a change in shareholder rights, such as the reduction of the compulsory minimum dividend, is subject to a favorable vote of the shareholders 
representing  at  least  one  half  of our  voting  shares.   Under certain  circumstances  that  may  result  in  a change in  shareholder  rights,  such  as  the creation  of 
preferred shares, Brazilian Corporate Law requires the approval of a majority of the shareholders who would be adversely affected by the change attending a 
special  meeting  called  for  such  reason.   It  should  be  emphasized,  however,  that  our  bylaws  expressly  prevent  us  from  issuing  preferred  shares. Brazilian 
Corporate Law specifies other circumstances where a dissenting shareholder may also have appraisal rights. 

According to Brazilian Corporate Law, neither a company’s bylaws nor actions taken at a general meeting of shareholders may deprive a shareholder of 

certain rights, such as: 

•        the right to participate in the distribution of profits; 

•        the right to participate equally and ratably in any remaining residual assets in the event of liquidation of the company; 

•        the right to supervise the management of the corporate business as specified in Brazilian Corporate Law; 

•        the right to preemptive rights in the event of a subscription of shares, debentures convertible into shares or subscription bonuses (except in some 

specific circumstances under Brazilian law); and 

•        the right to withdraw from the company in the cases specified in Brazilian Corporate Law. 

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Pursuant to Brazilian Corporate Law and our bylaws, each of our common shares carries the right to one vote at our shareholders’ meetings.  We may not 

restrain or deny that right without the consent of the holders of a majority of the shares affected. 

Neither Brazilian Corporate Law nor our bylaws expressly address: 

•        staggered terms for directors; 

•        cumulative voting, except as described below; or  

•        measures that could prevent a takeover attempt. 

However, under the laws of the State of São Paulo, the State is required to own at least a majority of our outstanding common shares. 

According to Brazilian Corporate Law and its regulations, shareholders representing at least 10 percent of our capital, may request that a multiple voting 
procedure be adopted to entitle each share to as many votes as there are board members and to give each shareholder the right to vote cumulatively for only 
one candidate or to distribute their votes among several candidates.  Pursuant to Brazilian Corporate Law, shareholder action must be taken at a shareholders 
meeting, duly called for and not by written consent. Pursuant to regulations promulgated by the CVM, the 10% threshold requirement for the exercise of 
multiple voting procedures may be reduced depending on the amount of capital stock of the company. Considering our current capital stock, shareholders 
representing 5% of our voting capital may demand the adoption of a multiple voting procedure.  

In addition, shareholders owning at least 15.0% of the capital may request the right to elect, separately a member of the Board of Directors. Nonetheless, 
as per decisions by CVM, in a company that has issued only common shares, such amount may be reduced to 10.0%. Furthermore, pursuant to Brazilian 
corporate  law,  non-controlling  holders  of  common  shares  issued  by  a  mixed  capital  company  (sociedade  de  economia  mista),  irrespective  of  its  interest 
percentage in the company’s voting capital, may also have exercise the right of elect separately a member of the Board of Directors and an alternate, if they 
are not entitled to elect more members by means of the multiple voting procedure.   

Dividends 

The Brazilian corporate law and our bylaws prescribe that we must distribute to our shareholders in the form of dividends or interest on shareholders’ 
equity an annual amount equal to not less than 25% of the of the fiscal year’s net income, after the deductions established or authorized by law, unless the 
Board of Directors advises our shareholders at our general shareholders’ meeting that payment of the mandatory dividend for the preceding year is inadvisable 
in light of our financial condition. The Fiscal Council must review any such determination and report it to the shareholders. The shareholders must also approve 
the recommendation of the Board of Directors with respect to any required distribution.  

By law, we are required to hold an annual shareholders’ meeting by April 30 of each year at which an annual dividend may be declared (exceptionally in 
2020, due to the COVID-19 pandemic, this deadline was postponed by seven months counted from the closing date of the prior fiscal year (2019), as provided 
in Provisional Measure No. 931 of March 30, 2020). Under Brazilian Corporate Law, dividends are generally required to be paid to the holder of record on a 
dividend declaration date within 60 days following the date the dividend was declared, unless a shareholders’ resolution sets forth another date of payment, 
which, in either case, the payment of the dividends must occur prior to the end of the fiscal year in which the dividend was declared. A shareholder has a three-
year period from the dividend payment date to claim dividends (or payments of interest on shareholders’ equity) in respect of its shares, after which we will 
have no liability for such payments. 

Pre-emptive rights 

Each of our shareholders has a general preemptive right to subscribe for shares or securities convertible into shares in any capital increase, in proportion 
to his or her ownership interest in us, except in the event of the grant and exercise of any option to acquire shares of our capital stock. The preemptive rights 
are valid for a 30-day period from the publication of the announcement of the capital increase.  Shareholders are also entitled to sell this preemptive right to 
third parties. Under Brazilian Corporate Law, we may amend our bylaws to eliminate preemptive rights or to reduce the exercise period in connection with a 
public offering of shares or an exchange offer made to acquire another company.   

In the event of a capital increase by means of the issuance of new shares, holders of ADSs, or of common shares, would, except under circumstances 
described above, have preemptive rights to subscribe for any class of our newly issued shares.  However, an ADS holder may not be able to exercise the 
preemptive rights relating to the common shares underlying his or her ADSs unless a registration statement under the Securities Act is effective with respect 
to those rights or an exemption from the registration requirements of the Securities Act is available.  See “Item 3.D. Risk Factors—Risks Relating to Our 
Common  

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Shares and ADSs—A holder of our common shares and ADSs might be unable to exercise preemptive rights and tag-along rights with respect to the common 
shares.” 

Memorandum and Articles of Association   

The following is a summary of the material terms of our common shares, including related provisions of our bylaws and Brazilian Corporate Law.  This 

description is qualified by reference to our bylaws and to Brazilian law. 

Corporate Purposes 

We are a mixed capital company (sociedade de economia mista) of unlimited duration, incorporated on September 6, 1973, with limited liability, duly 
organized and operating under Brazilian Corporate Law.  As set forth in Article 2 of our bylaws, our corporate purpose is to render basic sanitation services, 
aimed at the universalization of basic sanitation in the state of São Paulo without harming our long-term financial sustainability.  Our activities comprise water 
supply, sanitary sewage services, urban rainwater management and drainage services, urban cleaning services, solid waste management services and related 
activities, including the planning, operation, maintenance and commercialization of energy, and the commercialization of services, products, benefits and rights 
that directly or indirectly arise from our assets, operations and activities.  We are allowed to act, in a subsidiary form, in other Brazilian locations and abroad. 

Directors’ Powers 

In addition to the general provisions of Brazilian law, our Board of Director’s Internal Charter contains the specific provisions set out below regarding a 
director’s power to vote on a proposal, arrangement or contract in which that director has a material interest.  Under Brazilian Corporate Law, a director or an 
executive officer is prohibited from voting in any meeting or with respect to any transaction in which that director or executive officer has a conflict of interest 
with the company and must disclose the nature and extent of the conflicting interest to be recorded in the minutes of the meeting.  In any case, a director or an 
executive officer may not transact any business with the company, including any borrowing, except on reasonable or fair terms and conditions that are identical 
to the terms and conditions prevailing in the market or offered by third parties. 

According to our Board of Director’s Internal Charter, when a matter involves a conflict of interest with ours or a particular interest in the matter, each 
member of the Board of Directors shall (i) declare his impediment in a timely manner, as soon as he becomes aware of the fact, (ii) refrain from intervening in 
the matter in discussion or deliberation, (iii) include the fact in the minutes of the meeting, and (iv) abstain from discussions and deliberations. 

Under our bylaws, our shareholders are responsible for establishing the compensation we pay to the members of our board of directors, members of the 

fiscal committee and the executive officers. 

Pursuant to Brazilian Corporate Law, each member of our board of executive officers must be a resident of Brazil.  

See also “Item 6.A. Directors and Senior Management” of our annual report on Form 20-F. 

Liquidation Rights 

Under Brazilian corporate law, the approval of shareholders representing at least one-half of the issued and outstanding voting shares is required for 

dissolving or liquidating us.  

Redemption Rights 

Our  common  shares  are  not  redeemable,  except  that a  dissenting  shareholder is  entitled  under Brazilian  Corporate Law  to  obtain  redemption upon a 
decision made at a shareholders’ meeting approving any of the items described above in “Exhibit 2.1. Common Shares, Without Par Value—Rights, preferences 
and restrictions attaching to each class of shares” to our annual report on Form 20-F, as well as: 

•        any decision to transfer all of our shares to another company in order to make us a wholly owned subsidiary of such company, a stock merger; 

•        any decision to approve the acquisition of control of another company at a price which exceeds certain limits set forth in Brazilian corporate law; 

or 

•        in the event that the entity resulting from (i) a merger, (ii) a stock merger as described above or (iii) a spin-off that we conduct fails to become a 

listed company within 120 days of the general shareholders’ meeting at which such decision was taken. 

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The  right  of  redemption  triggered  by  shareholder  decisions  to  merge,  consolidate  or  to  participate  in  a  centralized  group  of  companies  may  only  be 
exercised if our shares do not satisfy certain tests of liquidity, among others, at the time of the shareholder resolution. The right of redemption lapses 30 days 
after publication of the minutes of the relevant general shareholders’ meeting. 

We would be entitled to reconsider any action giving rise to redemption rights within 10 days following the expiration of such rights if the redemption of 
shares of dissenting shareholders would jeopardize our financial stability. Any redemption pursuant to Brazilian corporate law would be made at no less than 
the book value per share, determined on the basis of the last balance sheet approved by the shareholders; provided that if the general shareholders’ meeting 
giving rise to redemption rights occurred more than 60 days after the date of the last approved balance sheet, a shareholder would be entitled to demand that 
his or her shares be valued on the basis of a new balance sheet dated within 60 days of such general shareholders’ meeting. 

Changes to Our Share Capital 

Under Brazilian Corporate Law, the approval of shareholders representing at least one-half of the issued and outstanding voting shares is required for 
creating a new class of preferred shares with privileges than the common shares. Pursuant to Brazilian Corporate Law, shareholder action must be taken at a 
shareholders meeting, duly called for and not by written consent. 

Restrictions on Non-Brazilian Holders 

Under Brazilian corporate law, there are no restrictions on ownership of our capital stock by individuals or legal entities domiciled outside Brazil, including 

the rights of such non-resident or foreign shareholders to hold or exercise voting rights. 

However, the right to convert dividend payments and proceeds from the sale of common shares into foreign currency and to remit such amounts outside 
Brazil is subject to restrictions under foreign investment legislation, which generally requires, among other things, that the relevant investment be registered 
with the Central Bank of Brazil. These restrictions on the remittance of foreign capital abroad could hinder or prevent the depositary bank and its agents for 
the common shares represented by ADSs from converting dividends, distributions or the proceeds from any sale of common shares or rights, as the case may 
be, into U.S. dollars and remitting such amounts abroad. Delays in, or refusal to grant, any required government approval for conversions of Brazilian currency 
payments and remittances abroad of amounts owed to holders of ADSs could adversely affect holders of ADRs. 

Under CMN Resolution No. 4,373 of 2014 (“Resolution 4,373”), foreign investors, defined to include individuals, legal entities, mutual funds and other 
collective investment entities, domiciled or headquartered outside Brazil, may invest in almost all financial assets and engage in almost all transactions available 
in the Brazilian financial and capital markets, provided that they: 

•        appoint at least one representative in Brazil, with powers to perform actions relating to its investment, 

•        complete the appropriate foreign investor registration form, 

•        register as a foreign investor with the CVM, and register its foreign investment with the Central Bank of Brazil, and 

•        appoint a custodian, duly licensed by the Central Bank of Brazil, if the Brazilian representative in the first bullet is not a financial institution. 

Resolution 4,373 specifies the manner of custody and the permitted means for trading securities held by foreign investors under the resolution. The offshore 
transfer or assignment of securities or other financial assets held by foreign investors pursuant to Resolution 4,373 is prohibited, except for transfers resulting 
from a corporate reorganization, or occurring upon the death of an investor by operation of law or will. 

Form and Transfer of Shares 

Our common shares are in book-entry form registered in the name of each shareholder. The transfer of such shares is made under Brazilian corporate law, 
which provides that a transfer of shares is effected by our transfer agent, Banco Bradesco S.A., upon presentation of valid share transfer instructions to us by a 
transferor or its representative. When common shares are acquired or sold on a Brazilian stock exchange, the transfer is effected on the records of our transfer 
agent by a representative of a brokerage firm or the stock exchange’s clearing system. Transfers of shares by a foreign investor are made in the same way and 
are executed by the investor’s local agent, who is also responsible for updating the information relating to the foreign investment furnished to the Central Bank 
of Brazil. 

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Shareholder Ownership Disclosure 

Pursuant to CVM regulations, a Brazilian public company’s (i) direct or indirect controlling shareholders, (ii) shareholders who have elected members of 
such company’s board of directors or fiscal council, as well as (iii) any person or group of persons representing the same interest, in each case that has directly 
or indirectly acquired or sold an interest that exceeds (either upward or downward) the threshold of 5%, or any multiple thereof, of the total number of shares 
of any type or class, must disclose such shareholder’s or person’s share ownership or divestment, immediately after the acquisition or sale, to the CVM and the 
B3. 

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AMERICAN DEPOSITARY SHARES (EVIDENCED  
BY AMERICAN DEPOSITARY RECEIPTS), EACH 
REPRESENTING ONE COMMON SHARE 

Depositary  

The Bank of New York Mellon acts as the depositary (“Depositary”), for our American Depository Shares (“ADSs”), which are evidenced by American 
depositary receipts (“ADRs”).  Each ADS represents one common share deposited with the Custodian (as defined below), as agent of the Depositary, under the 
amended and restated deposit agreement (“Deposit Agreement”) dated as of May 9, 2002, as amended and restated as of January 22, 2013, between us, the 
Depositary and any person in whose name ADRs are registered on the books of the Depositary maintained for such purpose, or an owner, and any person 
holding from time to time those ADSs (“holders”). 

The Bank of New York Mellon’s office where the ADRs are administered is located at 101 Barclay Street, New York, N.Y. 10286, United States, or the 

Corporate Trust Office, and its principal executive office is located at 225 Liberty Street, New York, N.Y. 10286, United States. 

Provisions   

In the United States, our common shares trade in the form of ADSs. Following a ratio change effected on January 24, 2013, each ADS represents one 
common share of our company. Following a stock split which took place on April 25, 2013, we issued two new ADSs for each ADS currently trading and 
distributed  them  to  our  holders  on  April  29,  2013.   The  ADSs  are  issued  by  The  Bank  of  New  York  Mellon,  as  Depositary,  pursuant  to  the  Deposit 
Agreement. The ADSs commenced trading on the NYSE on May 10, 2002.  

Banco Bradesco S.A. located in Brazil acts as custodian (“Custodian”), as the agent of the Depositary for the purposes of the Deposit Agreement. 

Holders of our ADSs are not treated as our shareholders and do not have the same rights that our shareholders have. The Depositary will hold the shares 
that underlie the common share ADSs through the Custodian in accordance with the provisions of the Deposit Agreement.  The rights of our ADSs holders are 
governed by the Deposit Agreement and the ADRs, which are governed by New York law. In contrast, the rights of our shareholders are governed by Brazilian 
law. 

If you become an owner of ADSs, you will become a party to the Deposit Agreement and therefore will be bound to its terms and to the terms of any ADR 
that evidences your ADSs. The Deposit Agreement and the ADRs specify our rights and obligations as well as your rights and obligations as owner of ADSs 
and those of the Depositary.  As an ADS holder you appoint the Depositary to act on your behalf in certain circumstances.  

We  are  providing  you  with  a  summary  of  the  material  terms  of  the  ADSs,  the  Depositary  Agreement  and  of  your  material  rights  as  an  owner  of  an 
ADS.  We urge you to review the Deposit Agreement in its entirety, which sets forth the full rights of owners and holders and the rights and duties of the 
Depositary in respect of the common shares deposited thereunder. Copies of the Deposit Agreement are on file at the Depositary’s Corporate Trust Office. 

Dividends and Distributions 

Whenever the Depositary receives any cash dividend or other cash distribution on any deposited securities, the Depositary will, after conversion to U.S. 
dollars, if applicable under the Depositary Agreement, distribute the amount received (net of the fees and expenses of the Depositary as provided in the Deposit 
Agreement, if applicable) to the owners of ADRs entitled thereto as of the recorded date.  Provided, however, that in the event that we or the Depositary are 
required to withhold and do withhold from such cash dividend or such other cash distribution in respect of any deposited securities an amount on account of 
applicable taxes, the amount distributed to the owners of the ADRs evidencing ADS representing such deposited securities will be reduced accordingly. 

Subject to the provisions of the Deposit Agreement, whenever the Depositary receives any distribution other than certain distributions further described 
in Sections 4.1, 4.3 or 4.4 of the Deposit Agreement, the Depositary will, as promptly as practicable after consultation with us, cause the securities or property 
received by it to be distributed to the Owners of ADRs entitled thereto, after deduction or upon payment of any fees and expenses of the Depositary or any 
applicable taxes or other governmental charges, in any manner that the Depositary may reasonably deem equitable and practicable for accomplishing such 
distribution. Provided, however, that if in the opinion of the Depositary such distribution cannot be made proportionately among the owners of ADRs entitled 
thereto, or if for any other reason the Depositary deems such distribution not to be feasible, the Depositary may adopt such method as it may reasonably deem 
equitable and practicable for the purpose of effecting such distribution, including, but not limited to, the public or private sale of the securities or property thus 
received, or any part thereof, and the net proceeds of any such sale will be distributed by the Depositary to the Owners entitled thereto as in the case of a 
distribution received in cash; provided that any unsold balance of such securities or property is distributed by the Depositary to the Holders entitled thereto, if 
such distribution is feasible without withholding for or on account of any taxes or other governmental charges and without registration under the Securities 
Act, in accordance with such equitable and practicable methods as the Depositary may have adopted; provided, further, that no distribution to Holders pursuant 
to Section 4.2 of the Deposit Agreement is unreasonably delayed by any action of the Depositary. 

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If any distribution upon any deposited securities consists of a dividend in, or free distribution of, common shares, the Depositary may, and will if we 
request, distribute to the owners of outstanding ADRs entitled thereto, additional ADRs evidencing an aggregate number of ADSs representing the amount of 
common shares received as such dividend or free distribution, subject to the terms and conditions of the Deposit Agreement with respect to the deposit of 
common shares and the issuance of ADSs evidenced by ADRs, including the withholding of any tax or other governmental charge as provided in Section 4.11 
of the Deposit Agreement and the payment of the fees of the Depositary as provided in Section 5.9 of the Deposit Agreement. In lieu of delivering ADRs for 
fractional ADSs in any such case, the Depositary will sell the amount of common shares represented by the aggregate of such fractions and distribute the net 
proceeds, all in the manner and subject to the conditions set forth in the Deposit Agreement. If additional ADRs are not so distributed, each ADS will thenceforth 
also represent the additional common shares distributed upon the deposited securities represented thereby. 

In the event that the Depositary determines that any distribution in property (including common shares and rights to subscribe therefor) is subject to any 
tax or other governmental charge which the Depositary is obligated to withhold, the Depositary may by public or private sale dispose of all or a portion of such 
property (including common shares and rights to subscribe therefor) in such amounts and in such manner as the Depositary deems necessary and practicable 
to pay any such taxes or charges and the Depositary will distribute the net proceeds of any such sale after deduction of such taxes or charges to the owners of 
ADRs entitled thereto. 

The owners shall indemnify the Depositary, us, the Custodian and any respective directors, employees, agents and affiliates against, and hold each of them 
harmless from, any claims by any governmental authority with respect to taxes, additions to tax, penalties or interest arising out of any refund of taxes, reduced 
rate of withholding at source or other tax benefit obtained. 

Withdrawal and Surrender of Deposited Securities 

Upon surrender at the deposited securities of the Depositary of an ADR for the purpose of withdrawal of the deposited securities represented by the ADS 
evidenced by such ADR, and upon payment of the fee of the Depositary for the surrender of ADR as provided in the Deposit Agreement and payment of all 
taxes and governmental charges payable in connection with such surrender and withdrawal of the deposited securities, and subject to the terms and conditions 
of the Deposit Agreement, the owner of such ADR will be entitled to delivery, to him or her or upon his or her order, of the amount of deposited securities at 
the time represented by the ADS evidenced by such ADRs. Delivery of such deposited securities may be made by the delivery of (a) deposited securities in the 
name of such owner or as ordered by him or her or by certificates properly endorsed or accompanied by proper instruments of transfer to such owner or as 
ordered by him or her and (b) any other securities, property and cash to which such owner is then entitled in respect of such ADRs to such owner or as ordered 
by him. Such delivery will be made, as hereinafter provided, without unreasonable delay. 

An ADR surrendered for such purposes may be required by the Depositary to be properly endorsed in blank or accompanied by proper instruments of 
transfer in blank, and if the Depositary so requires, the owner thereof will execute and deliver to the Depositary a written order directing the Depositary to 
cause the deposited securities being withdrawn to be delivered to or upon the written order of a person or persons designated in such order. Thereupon the 
Depositary will direct the Custodian to deliver at the principal office of such Custodian, subject to limitations contained in the ADR and to the other terms and 
conditions of the Deposit Agreement, to or upon the written order of the person or persons designated in the order delivered to the Depositary as above provided, 
the amount of deposited securities represented by the ADRs evidenced by such ADR, except that the Depositary may make delivery to such person or persons 
at the principal trust office of the Depositary of any dividends or distributions with respect to the deposited securities represented by the ADSs evidenced by 
such ADRs, or of any proceeds of sale of any dividends, distributions or rights, which may at the time be held by the Depositary. 

At the request, risk and expense of any Owner so surrendering an ADR, and for the account of such Owner, the Depositary will direct the Custodian to 
forward any cash or other property (other than rights) comprising, and forward a certificate or certificates, if applicable, and other proper documents of title 
for, the deposited securities represented by the ADS evidenced by such ADR to the Depositary for delivery at the Corporate Trust Office of the Depositary. 
Such direction is to be given by letter or, at the request, risk and expense of such owner, by cable, telex or facsimile transmission. 

All ADRs surrendered to the Depositary will be cancelled by the Depositary. The Depositary is authorized to destroy ADRs so cancelled. 

8 

 
Record Date 

Whenever any cash dividend or other cash distribution becomes payable or any distribution other than cash is to be made, or whenever rights are to be 
issued with respect to the deposited securities, or whenever for any reason the Depositary causes a change in the number of common shares that are represented 
by each ADS, the Depositary will fix a record date (which record date, if not the same as the record date determined by us, shall be as close to practicable to 
the date corresponding to the record date fixed by us in respect of the common shares or other deposited securities) (a) for the determination of the owners of 
Receipts who shall be entitled to receive such dividend, distribution or rights or the net proceeds of the sale thereof or (b) on or after which each ADS will 
represent the changed number of common shares, subject to the provisions of the Deposit Agreement. Whenever the Depositary receives notice of any meeting 
of or solicitation of consents or proxies from holders of common shares or other deposited securities, the Depositary has to fix, after consultation with us, a 
record date for the determination of owners who are entitled to give instructions for the exercise of voting rights at any such meeting. 

Voting Rights  

Upon receipt of notice of any meeting of holders of common shares or other deposited securities, if requested in writing by us, the Depositary will, as 
soon as practicable thereafter, mail to the owners of ADRs a notice, the form of which notice will be in the sole discretion of the Depositary, which will contain 
(a) such information as is contained in such notice of meeting, (b) a statement that the owners of ADRs as of the close of business on a specified record date 
will be entitled, subject to any applicable provision of Brazilian law and of our estatuto social (By-laws), to instruct the Depositary as to the exercise of the 
voting rights, if any, pertaining to the amount of common shares or other deposited securities represented by their respective ADS and (c) a statement as to the 
manner in which such instructions may be given, including an express indication that such instructions may be given or deemed given in accordance with the 
last sentence of this paragraph if no instruction is received, to the Depositary to give a discretionary proxy to a person designated by us.  

Upon the written request of an owner of an ADR on such record date, received on or before the date established by the Depositary for such purpose, or 
the Instruction Date, the Depositary will endeavour, in so far as practicable and permitted under Brazilian law and our estatuto social (By-laws) to vote or 
cause to be voted the amount of common shares and/or other deposited securities represented by the ADSs evidenced by such ADR in accordance with the 
instructions set forth in such request. The Depositary will not vote or attempt to exercise the right to vote that attaches to the common shares or other deposited 
securities, other than in accordance with such instructions or deemed instructions. If no instructions are received by the Depositary from any owner with respect 
to any of the deposited securities represented by the ADS evidenced by such Owner’s ADRs on or before the date established by the Depositary for such 
purpose, the Depositary will deem such Owner to have instructed the Depositary to give a discretionary proxy to a person designated by us with respect to such 
deposited securities and the Depositary will give a discretionary proxy to a person designated by us to vote such deposited securities, provided, that no such 
instruction will be deemed given and no such discretionary proxy will be given with respect to any matter as to which we inform the Depositary (and we agree 
to provide such information as promptly as practicable in writing) that (x) we do not wish such proxy given, (y) substantial opposition exists or (z) such matter 
materially and adversely affects the rights of holders of common shares. 

There can be no assurance that Owners generally or any Owner in particular will receive the notice described in the preceding paragraph sufficiently prior 
to the Instruction Date to ensure that the Depositary will vote the common shares or deposited securities in accordance with the provisions set forth in the 
preceding paragraph. 

In order to give Owners a reasonable opportunity to instruct the Depositary as to the exercise of voting rights relating to deposited securities, if we will 
request the Depositary to act under Section 4.7 of the Deposit Agreement, we will give the Depositary notice of any such meeting and details concerning the 
matters to be voted upon not less than 30 days prior to the meeting date. 

Owners of ADS will not be entitled to attend shareholders’ meetings, but will be entitled to instruct the Depositary in the manner set out above as to the 

manner of voting the common shares represented by ADS at any shareholders’ meeting. 

Reports: Inspection of Transfer Books 

We are subject to the periodic reporting requirements of the United States Securities Exchange Act of 1934 and, accordingly, file certain reports with the 
United States Securities and Exchange Commission (the “SEC”).  Such reports and communications will be available for inspection and copying through the 
SEC’s EDGAR system or at the public reference facilities maintained by the SEC in Washington, D.C. 

The Depositary will make available for inspection by owners of ADRs at its Corporate Trust Office any reports and communications, including any proxy 
soliciting material, received from us which are both (a) received by the Depositary as the holder of the deposited securities and (b) made generally available to 
the holders of such deposited securities by us. The Depositary will also, upon written request, as promptly as practicable, send to the owners of ADRs copies 
of  such  reports  furnished  by  us  pursuant  to  the  Deposit  Agreement.  Any  such  reports  and  communications,  including  any  such  proxy  soliciting  material, 
furnished to the Depositary by us will be furnished in English, to the extent such materials are required to be translated into English pursuant to any regulation 
of the SEC applicable to us. 

9 

 
  
   
 
 
The Depositary keeps books at its Corporate Trust Office for the registration of ADRs and transfers of ADRs which at all reasonable times will be open 
for inspection by us and the owners of ADRs, provided that such inspection will not be for the purpose of communicating with owners of ADRs in the interest 
of a business or object other than the business of us or a matter related to the Deposit Agreement or the ADRs. 

Liabilities of Owners for Taxes 

If  any  tax  or  other  governmental  charge  becomes  payable  by  the  Custodian  or  the  Depositary  with  respect  to  any  ADR  or  any  deposited  securities 
represented hereby, such tax or other governmental charge will be payable by the Owner hereof to the Depositary. The Depositary may refuse to effect any 
transfer of an ADR or any withdrawal of deposited securities represented by ADSs evidenced by such ADR until such payment is made, and may withhold any 
dividends or other distributions, or may sell for the account of the owner hereof any part or all of the deposited securities represented by the ADS evidenced 
by an ADR, and may apply such dividends or other distributions or the proceeds of any such sale in payment of such tax or other governmental charge and the 
owner hereof will remain liable for any deficiency. 

Changes Affecting Deposited Securities 

In circumstances where the provisions of Section 4.3 of the Deposit Agreement do not apply, upon any change in nominal value, change in par value, 
split-up, consolidation or any other reclassification of deposited securities, or upon any recapitalization, reorganization, merger or consolidation, or sale of 
assets affecting us or to which we are a party, any securities received by the Depositary or the Custodian in exchange for or in conversion of or in respect of 
deposited securities will be treated as new deposited securities under the Deposit Agreement, and ADS will from then on represent, in addition to the existing 
deposited securities, if any, the new deposited securities so received in exchange or conversion, unless additional ADRs are delivered pursuant to the following 
sentence. In any such case the Depositary may, and will if we request, execute and deliver additional ADRs as in the case of a dividend in common shares, or 
call for the surrender of outstanding ADRs to be exchanged for new ADRs specifically describing such new deposited securities. 

Amendment and Termination  

The form of the ADRs and any provisions of the Deposit Agreement may at any time and from time to time be amended by agreement between us and 
the Depositary without the consent of owners and holders in any respect which they may deem necessary or desirable. Any amendment which imposes or 
increases any fees or charges (other than taxes and other governmental charges, registration fees, cable, telex or facsimile transmission costs, delivery costs or 
other such expenses), or which otherwise prejudices any substantial existing right of owners of ADRs, will, however, not become effective as to outstanding 
ADRs until the expiration of thirty days after notice of such amendment has been given to the Owners of outstanding ADRs. Every Owner of an ADR at the 
time any amendment so becomes effective will be deemed, by continuing to hold such ADR, to consent and agree to such amendment and to be bound by the 
Deposit Agreement as amended thereby. In no event shall any amendment impair the right of the Owner of any ADR to surrender such ADR and receive 
therefor the deposited securities represented thereby, except in order to comply with mandatory provisions of applicable law. 

Notwithstanding the foregoing, if any governmental body should adopt new laws, rules or regulations which would require an amendment or supplement 
of the Deposit Agreement to ensure compliance therewith, we and the Depositary may amend or supplement the Deposit Agreement at any time in accordance 
with such changed laws, rules and regulations. Such amendment or supplement to the Deposit Agreement in such circumstances may become effective before 
a notice of such amendment or supplement is given to owners or within any other period of time as required for compliance with such laws, rules or regulations. 

The Depositary will at any time at our direction terminate the Deposit Agreement by mailing notice of such termination to the Owners of all ADRs then 
outstanding at least 90 days prior to the date fixed in such notice for such termination. The Depositary may likewise terminate the Deposit Agreement by 
mailing notice of such termination (30 days prior to the date such termination is to take effect) to us and the Owners of all ADRs then outstanding if at any 
time 90 days has expired after the Depositary has delivered to us a written notice of its election to resign and a successor depositary has not been appointed and 
accepted its appointment as provided in the Deposit Agreement. On and after the date of termination, the owner of an ADR will, upon (a) surrender of such 
ADR at the Corporate Trust Office of the Depositary, (b) payment of the fee of the Depositary for the surrender of ADR referred to in Section 2.5 of the Deposit 
Agreement and (c) payment of any applicable taxes or governmental charges, be entitled to delivery, to him or her or upon his or her order, of the amount of 
deposited securities represented by the ADSs evidenced by such surrendered ADRs.  

10 

 
 
 
If any ADRs remain outstanding after the date of termination, the Depositary thereafter will discontinue the registration of transfers of ADRs, suspend the 
distribution of dividends to the owners thereof, will not accept deposit of ADSs (and will instruct the Custodian to act accordingly) and will not give any further 
notices or perform any further acts under the Deposit Agreement, except that the Depositary will continue to collect dividends and other distributions pertaining 
to deposited securities, will sell rights and other property as provided in the Deposit Agreement, and will continue to deliver deposited securities, together with 
any  dividends  or  other  distributions  received  with  respect  thereto  and  the  net  proceeds  of  the  sale  of  any  rights  or  other  property,  in  exchange  for  ADRs 
surrendered to the Depositary (after deducting, in each case, the fee of the Depositary for the surrender of a ADR, any expenses for the account of the owner 
of such ADR in accordance with the terms and conditions of the Deposit Agreement and any applicable taxes or governmental charges).  

At any time after the expiration of 4 months from the date of termination, the Depositary may sell at public or private sale the deposited securities then 
held  under  the  Deposit  Agreement  and  may  thereafter  hold  unsegregated  the  net  proceeds  of  any  such  sale,  together  with  any  other  cash  then  held  by  it 
thereunder, uninvested and without liability for interest, for the pro rata benefit of the Owners of ADRs which have not theretofore been surrendered, such 
Owners thereupon becoming general creditors of the Depositary with respect to such net proceeds. After making such sale, the Depositary is discharged from 
all obligations under the Deposit Agreement, except to account for such net proceeds and other cash (after deducting, in each case, the fee of the Depositary 
for the surrender of an ADR, any expenses for the account of the Owner of such ADR in accordance with the terms and conditions of the Deposit Agreement, 
and any applicable taxes or governmental charges) and for its obligations under Section 5.8 of the Deposit Agreement. Upon the termination of the Deposit 
Agreement, we will be discharged from all obligations under the Deposit Agreement except for its obligations to the Depositary under Sections 5.8 and 5.9 of 
the Deposit Agreement. The obligations of the Depositary under Section 5.8 of the Deposit Agreement will survive the termination of the Deposit Agreement. 

Limitations on Obligations and Liabilities to ADR Holders 

We assume no obligation nor are we subject to any liability under the Deposit Agreement to any Owner or Holder of ADRs, except that we agree to 

perform our obligations specifically set forth in the Deposit Agreement without negligence or bad faith. 

The Depositary assumes no obligation nor will it be subject to any liability under the Deposit Agreement to any Owner or Holder of any ADR (including, 
without limitation, liability with respect to the validity or worth of the deposited securities), except that it agrees to perform its obligations specifically set forth 
in the Deposit Agreement without negligence or bad faith. 

Neither we nor the Depositary will be under any obligation to appear in, prosecute or defend any action, suit or other proceeding in respect of any deposited 
securities or in respect of the ADRs, which in our reasonable opinion may involve it in expense or liability, unless indemnity satisfactory to it against all 
expense and liability is furnished as often as may be required, and the Custodian will not be under any obligation whatsoever with respect to such proceedings, 
the responsibility of the Custodian being solely to the Depositary. 

Neither we nor the Depositary nor the will be liable for any action or nonaction by it in reliance upon the advice of or information from legal counsel, 
accountants, any person presenting common shares for deposit, any Owner or any other person believed by it in good faith to be competent to give such advice 
or information. 

The Depositary shall not be liable for any acts or omissions made by a successor depositary whether in connection with a previous act or omission of the 
Depositary or in connection with any matter arising wholly after the removal or resignation of the Depositary, provided that in connection with the issue out of 
which such potential liability arises the Depositary performed its obligations without negligence or bad faith while it acted as Depositary. 

Neither we nor the Depositary will be liable for the acts or omissions of any securities depository, clearing agency or settlement system in connection with 

or arising out of book-entry settlement of deposited securities or otherwise. 

The Depositary will not be responsible for any failure to carry out any instructions to vote any of the deposited securities, or for the manner in which any 

such vote is cast or the effect of any such vote, provided that any such action or nonaction is in good faith. 

No disclaimer of liability under the Securities Act is intended by any provision of the Deposit Agreement. 

11 

 
  
  
CERTIFICATION 

EXHIBIT 12.1 

I, Benedito Pinto Ferreira Braga Junior, certify that: 

1.  I have reviewed this annual report on Form 20-F of Companhia de Saneamento Básico do Estado de São Paulo - Sabesp; 

2.  Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to 
make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period 
covered by this report; 

3.  Based  on  my  knowledge,  the  financial  statements  and  other  financial  information  included  in  this  report  fairly  present  in  all  material 
respects the financial condition, results of operations and cash flows of the company as of, and for, the periods presented in this report; 

4.  The company’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined 
in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) 
and 15d-15(f)) for the company and have:  

a.  designed  such  disclosure  controls  and  procedures  or  caused  such  disclosure  controls  and  procedures  to  be  designed  under  our 
supervision, to ensure that material information relating to the company, including its consolidated subsidiaries, is made known to us 
by others within those entities, particularly during the period in which this report is being prepared; 

b.  designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under 
our  supervision,  to  provide  reasonable  assurance  regarding  the  reliability  of  financial  reporting  and  the  preparation  of  financial 
statements for external purposes in accordance with generally accepted accounting principles; 

c.  evaluated the effectiveness of the company’s disclosure controls and procedures and presented in this report our conclusions about the 
effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on evaluation; and 

d.  disclosed in this report any change in the company’s internal control over financial reporting that occurred during the period covered 
by  the  annual  report  that  has  materially  affected,  or  is  reasonably  likely  to  materially  affect,  the  company’s  internal  control  over 
financial reporting. 

5.  The company’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, 
to the company’s auditors and to the audit committee of the company’s board of directors (or persons performing the equivalent function): 

a.  all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are 
reasonably likely to adversely affect the company’s ability to record, process, summarize and report financial information; and 

b.  any fraud, whether or not material, that involves management or other employees who have a significant role in the company’s internal 

control over financial reporting. 

Date:  April 30, 2020 

By:          /s/  Benedito Pinto Ferreira Braga Junior         
Name:    Benedito Pinto Ferreira Braga Junior 
Title:      Chief Executive Officer 

 
 
 
  
  
  
  
  
  
   
 
 
EXHIBIT 12.2 

I, Rui de Britto Álvares Affonso, certify that: 

CERTIFICATION 

1.  I have reviewed this annual report on Form 20-F of Companhia de Saneamento Básico do Estado de São Paulo - Sabesp; 

2.  Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to 
make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period 
covered by this report; 

3.  Based  on  my  knowledge,  the  financial  statements  and  other  financial  information  included  in  this  report  fairly  present  in  all  material 
respects the financial condition, results of operations and cash flows of the company as of, and for, the periods presented in this report; 

4.  The company’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined 
in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) 
and 15d-15(f)) for the company and have:  

a)  designed  such  disclosure  controls  and  procedures  or  caused  such  disclosure  controls  and  procedures  to  be  designed  under  our 
supervision, to ensure that material information relating to the company, including its consolidated subsidiaries, is made known to us 
by others within those entities, particularly during the period in which this report is being prepared; 

b)  designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under 
our  supervision,  to  provide  reasonable  assurance  regarding  the  reliability  of  financial  reporting  and  the  preparation  of  financial 
statements for external purposes in accordance with generally accepted accounting principles; 

c)  evaluated the effectiveness of the company’s disclosure controls and procedures and presented in this report our conclusions about the 
effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on evaluation; and 

d)  disclosed in this report any change in the company’s internal control over financial reporting that occurred during the period covered 
by  the  annual  report  that  has  materially  affected,  or  is  reasonably  likely  to  materially  affect,  the  company’s  internal  control  over 
financial reporting. 

5.  The company’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, 
to the company’s auditors and to the audit committee of the company’s board of directors (or persons performing the equivalent function): 

a)  all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are 
reasonably likely to adversely affect the company’s ability to record, process, summarize and report financial information; and 

b)  any fraud, whether or not material, that involves management or other employees who have a significant role in the company’s internal 

control over financial reporting. 

Date:  April 30, 2020 

By:          /s/   Rui de Britto Álvares Affonso          
Name:    Rui de Britto Álvares Affonso 
Title:      Chief Financial Officer and Investor Relations Officer 

 
 
  
  
  
  
  
  
   
 
 
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, 
AS ADOPTED PURSUANT TO 
SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 

EXHIBIT 13.1 

In connection with the Annual Report of Companhia de Saneamento Básico do Estado de São Paulo – Sabesp (the “Company”) on Form 20-F 
for the fiscal year ended December 31, 2019, as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, 
Benedito Pinto Ferreira Braga Junior, Chief Executive Officer, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 
of the U.S. Sarbanes Oxley Act of 2002, that to the best of my knowledge:   

       (i)         the Report fully complies with the requirements of section 13(a) or 15(d) of the U.S. Securities Exchange Act of 1934; and 

     (ii)         the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the 

Company. 

Date:  April 30, 2020 

By:          /s/Benedito Pinto Ferreira Braga Junior         
Name:    Benedito Pinto Ferreira Braga Junior  
Title:      Chief Executive Officer 

 
 
 
 
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, 
AS ADOPTED PURSUANT TO 
SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 

EXHIBIT 13.2 

In connection with the Annual Report of Companhia de Saneamento Básico do Estado de São Paulo – Sabesp (the “Company”) on Form 20-F 
for the fiscal year ended December 31, 2019, as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, 
Rui de Britto Álvares Affonso, Chief Financial Officer and Investor Relations Officer, certify, pursuant to 18 U.S.C. section 1350, as adopted 
pursuant to section 906 of the U.S. Sarbanes Oxley Act of 2002, that to the best of my knowledge:  

(i)                the Report fully complies with the requirements of section 13(a) or 15(d) of the U.S. Securities Exchange Act of 1934; and 

(ii)              the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations 

of the Company. 

Date:  April 30, 2020 

By:          /s/ Rui de Britto Álvares Affonso       
Name:    Rui de Britto Álvares Affonso 
Title:      Chief Financial Officer and Investor Relations Officer