Companhia de Saneamento de Minas Gerais : Bylaws - 12/11/2020

BYLAWS

COMPANHIA DE SANEAMENTO DE MINAS GERAIS -

COPASA MG

BELO HORIZONTE, MINAS GE RAIS - BRAZIL

1

Approved at the Extraordinary Shareholders' Meeting held on December 11, 2020

COMPANHIA DE SANEAMENTO DE MINAS GERAIS - COPASA MG

Corporate Registry ID (NIRE) 31.300.036.375

Corporate Taxpayer's ID (CNPJ/MF) 17.281.106/0001-03

BYLAWS

CHAPTER I

Name, Headquarters, Duration and Purpose

Article 1. It shall be incumbent upon Companhia de Saneamento de Minas Gerais - COPASA MG, a government-controlledauthorized-capital corporation controlled by the State of Minas Gerais and incorporated pursuant to Law 2.842 dated July 5, 1963, to plan, execute, expand, remodel and explore public sanitation services, aiming to contribute with the social well-being and improvement in the life quality of the population.

Sole Paragraph. For purposes of these Bylaws, basic sanitation is the group of services, infrastructure and operating facilities for:

1. - the supply of potable water, consisting in all necessary activities to provide the population with potable water, from the collection of water to its respective delivery and installation of measurement instruments;

1. - the supply of sewage services, consisting of activities such as collection, transportation, treatment and the proper final disposal of sewage, from sewage connection networks to its final disposal in the environment;

1. - the supply of urban cleaning and handling of solid residues, consisting of activities such as collection, transportation, transshipment, treatment and the final disposal of domestic waste and waste originating from the cleaning of public streets.

Article 2. The Company's headquarters and jurisdiction are located in the City of Belo Horizonte, State of Minas Gerais, and the Company's duration is indeterminate.

Sole Paragraph. Following a resolution from the Board of Directors, the Company may open or close subsidiaries, branches, offices and sales offices, and any other establishments to perform its activities in any other State in the country or overseas.

Article 3. To comply with its purpose, COPASA MG shall invest in water supply, sewage and solid waste projects, as well as corporate development projects that together provide the Company with real return of investments equal to, or higher than, its cost of capital.

Approved at the Extraordinary Shareholders' Meeting held on December 11, 2020.

2

Article 4. In order to comply with its institutional purposes, COPASA MG may:

1. - apply for loans and financing from domestic or international financial institutions or a national development agency, respecting obligations in return, as the case may be, so long as they are in accordance with the conditions set forth in the Company's Debt
   Policy, as follows:
2. 1. the consolidated net debt of COPASA MG must be equal to, or less than, 3 times the EBITDA (Earnings Before Interest, Income Taxes, Depreciation and Amortization);
   2. the Total Liabilities of COPASA MG must be equal to, or less than, the
      Shareholders' Equity; and
   3. the EBITDA of COPASA MG must be greater than 1.2 times the Debt Service. II - propose expropriations;

   III - promote takeover services;

IV - receive donations and incentives;

V - operate in Brazil and overseas;

VI - execute agreements or participate in consortiums, or any other type of partnership agreement, with government or private entities;

VII - execute agreements, including public service planning, concession and permission agreements;

VIII - outsource part of its activities, pursuant to article 78 of Federal Law 13.303, dated June 30, 2016, and article 25, paragraph 1, of Federal Law 8.987, dated February 13, 1995;

IX - contract a service provider or construction developer whose corporate purpose is not the rendering of basic sanitation services;

1. - execute the assembly, recovery and study services inherent to the initial and post- maintenance verification of water and sewage meters, with their commercialization being strictly forbidden.

Paragraph One. COPASA MG's activities, as stated in its corporate purposes, shall be developed directly or through wholly-owned subsidiaries specially constituted for these purposes or through companies which COPASA MG or its subsidiaries are majority or minority shareholders, upon authorization from of the Board of Directors.

Paragraph Two. COPASA MG may provide operational, logistical, administrative and technical support to its subsidiaries.

Paragraph Three. The targets provided for in item "a" of this Article above may be exceeded due to conjunctural reasons, upon justification and specific approval by the

Approved at the Extraordinary Shareholders' Meeting held on December 11, 2020.

3

Board of Directors, up to the following limits:

1. - COPASA MG's consolidated net debt may reach a maximum of 4 times its
   EBITDA (Earnings Before Interest, Income Taxes, Depreciation and Amortization);

1. - COPASA MG's total liabilities may reach a maximum of 1.2 times its Shareholder's
   Equity;

1. - COPASA MG's EBITDA should be at least greater than 1.2 times its Debt
   Service.

Article 5. The Company shall be ruled by these Bylaws and the applicable legal provisions, in particular Federal Law 6.404/1976 (Brazilian Corporations Law), Federal Law 13.303/2016 and State Decree 47.154/2017.

Paragraph One. With the Company's listing on the Novo Mercado segment of B3 S.A.

• Brasil, Bolsa, Balcão ("B3"), the Company, its shareholders, managers and members of the Audit Committee are subject to the provisions of the Novo Mercado Regulation.

Paragraph Two. The Company, its management and shareholders shall comply with the Regulations for the Listing of Issuers and Admission for the Trading of Securities, including rules related to the withdrawal and exclusion of securities admitted for trading in the organized markets managed by B3.

CHAPTER II

Capital Stock and Shares

Article 6. The Company's capital stock is three billion, four hundred and two million, three hundred eighty-five thousand, six hundred and nine reais and forty-seven centavos (R$3,402,385,609.47), fully subscribed and paid-in, represented by three hundred and eighty million, two hundred and fifty-three thousand and sixty-nine (380,253,069) common shares, all registered with non-par value.

Paragraph One. The capital stock shall be exclusively represented by common shares.

Paragraph Two. Each common share shall be entitled to one vote in the resolutions of the Company's General Shareholders' Meetings.

Paragraph Three. The shares shall be indivisible in relation to the Company. When the share belongs to more than one person, the rights granted to it shall be exercised by the representative of the condominium.

Paragraph Four. The shares are book-entry shares and shall be maintained in a deposit account in a financial institution authorized by the Brazilian Securities and Exchange Commission - CVM, on behalf of their holders, without the issuance of certificates. Transfer and approval costs, as well as services related to the shares held

Approved at the Extraordinary Shareholders' Meeting held on December 11, 2020.

4

on custody, may be charged from the shareholder.

Paragraph Five. The issuance of beneficiary parties by the Company is prohibited.

Article 7. The Company is authorized to increase the capital stock up to the limit of five billion reais (R$5,000,000,000.00), regardless of statutory amendment, by resolution of the Board of Directors, to whom it shall also be incumbent upon to set forth the issuance conditions, including price, term and form of payment. In the event of subscription with payment in assets, the decision shall be taken at the General Shareholders' Meeting, after hearing the Fiscal Council.

Paragraph One. The Company may issue common shares, debentures convertible into common shares and subscription bonus within the authorized capital limit.

Paragraph Two. At the General Shareholders' Meeting's discretion, the preemptive right may be excluded, or the term for its exercise may be reduced, in the issuances of shares, debentures convertible into shares and subscription bonus, whose placement is made by means of sale on a stock exchange or public subscription, under the terms of law, and within the authorized capital limit.

Article 8. The Company may, by resolution of the Board of Directors, acquire its own shares to be held in treasury and subsequent disposal or cancellation, up to the amount of the balance of profit and reserves, except the legal reserve, without decrease in the capital stock, in compliance with the applicable legal and regulating provisions.

Article 9. The Company may, by resolution of the General Shareholders' Meeting, grant a call option in favor of the managers, employees and collaborators, and this option may be extended to the managers and employees of the Company's direct or indirect subsidiaries.

CHAPTER III

General Shareholders' Meeting

Article 10. The General Shareholders' Meeting shall take place, on an ordinary basis, within the first four (04) months following the end of each fiscal year and, on an extraordinary basis, whenever there are social concerns to be discussed and voted, and its call notice, installation and resolutions shall comply with applicable laws and the provisions set by these Bylaws.

Sole Paragraph. The General Shareholders' Meetings shall be called, at least, fifteen

1. consecutive days in advance, and chaired by the Chairman of the Board of Directors or, in his/her absence, by his/her alternate, with a member of the Executive Governance Office acting as secretary for the meeting.

Approved at the Extraordinary Shareholders' Meeting held on December 11, 2020.

5