TIM S A : MINUTES OF THE BOARD OF DIRECTORS’ MEETING HELD ON AUGUST 31st, 2021 (Form 6-K)

MINUTES OF THE BOARD OF DIRECTORS' MEETING

HELD ON AUGUST 31^st, 2021

DATE, TIME AND PLACE: August 31^st, 2021, at 8.00 a.m., by videoconference.

PRESENCE: The Board of Directors' Meeting of the TIM S.A. ('Company') was held at the date, time and place mentioned above, with the presence of Messrs. Nicandro Durante, Carlo Nardello, Flavia Maria Bittencourt, Gesner José de Oliveira Filho, Herculano Aníbal Alves, Pietro Labriola and Sabrina Di Bartolomeo, as provided in the 2^nd paragraph of Section 25, of the Company's By-laws. Justified absence of Messrs. Agostino Nuzzolo, Elisabetta Paola Romano and Michele Valensise.

BOARD: Mr. Nicandro Durante - Chairman; and Mr. Jaques Horn - Secretary.

AGENDA: To elect the Chief Financial Officer and the Investor Relations Officer of the Company.

RESOLUTIONS: Upon the review of the material presented and filed at the Company's head office, and based on the information provided and discussions of the subject included on the Agenda, the Board Members, unanimously by those present and with the abstention of the legally restricted, decided to register the discussions as follows:

The Board Members elected, as Diretor Financeiro e Diretor de Relações com Investidores (Chief Financial Officer and Investor Relations Officer) of the Company, as of September 1^st, 2021, Mrs. Camille Loyo Faria, Brazilian, married, Chemical Engineer, bearer of the Identity Card No. 08.046.038-9, issued by DETRAN/RJ in August 22^nd, 2013, enrolled in the CPF/ME under No. 016.748.137-16, domiciled at Avenida João Cabral de Mello Neto, nº 850 - Torre Sul, Barra da Tijuca, City and State of Rio de Janeiro, which investiture term and other declarations and documents were presented. The Officer hereby elected will occupy the position until the first Board of Directors' meeting to be held after the Annual Shareholders' Meeting of the Company to be held in the year of 2022.

CONT. OF MINUTES OF THE BOARD OF DIRECTORS' MEETING OF TIM S.A. August 31st, 2021

In view of the above resolution, the Board of Officers of the Company shall, from now on, be composed by the following Officers herein identified: (i) Pietro Labriola, Diretor Presidente (Chief Executive Officer); (ii) Camille Loyo Faria, Diretora Financeira e Diretora de Relações com Investidores (Chief Financial Officer and Investor Relations Officer); (iii) Bruno Mutzenbecher Gentil, Business Support Officer; (iv) Mario Girasole, Regulatory and Institutional Affairs Officer; (v) Jaques Horn, Diretor Jurídico (Legal Officer); (vi) Leonardo de Carvalho Capdeville, Chief Technology Information Officer; (vii) Alberto Mario Griselli, Chief Revenue Officer; and (viii) Maria Antonietta Russo, Human Resources & Organization Officer. The Board Officers will remain in office until the first Board of Directors' meeting to be held after the Annual Shareholders' Meeting of the year 2022.

On this occasion, the Board Members ratified the limits of authority of the Company's Officers, as follows: (i) Diretor Presidente (Chief Executive Officer) shall have full power to, acting individually, carry out, sign and represent the Company in any and all act and/or legal transaction, or before any public authority, including without limitations, any contracts that may result in the purchase of goods or services, divestiture, donation, assignment or encumbrance of assets, waiver of rights, and in acts of liberality, up to the amount of R$50,000,000.00 (fifty million Reais) per operation or series of operations related; (ii) Diretor Financeiro (Chief Financial Officer) shall have full power to, acting individually, carry out, sign and represent the Company in relation to activities of the financial area, including without limitations, financial and treasury operations contracts, including, guarantee agreements in general, including borrowing and lending, assignment and discount of securities, up to the amount of R$50,000,000.00 (fifty million Reais) per operation or series of operations related, and to individually, carry out, sign and represent the Company in any and all act and/or legal transaction, or before any public authority, including without limitations, any contracts that may result in the purchase of goods or services, divestiture, donation, assignment or encumbrance of assets, waiver of rights, and in acts of liberality, within its area of activity up to the amount of R$10,000,000.00 (ten million Reais) per operation or series of operations related; and (iii) the other Officers of the Company: Diretor de Relações com Investidores (Investor Relations Officer); Business Support Officer; Regulatory and Institutional Affairs Officer; Diretor Jurídico (Legal Officer); Chief Technology Information Officer; Chief Revenue Officer; and Human Resources & Organization Officer, shall have full power and the authority to, acting individually, carry out, sign and represent the Company in any and all act and/or legal transaction, or before any public authority, including without limitations, any contracts that may result in the purchase of goods or services, divestiture, donation, assignment or encumbrance of assets, waiver of rights, and in acts of liberality, within their respective areas of activity, up to the amount of R$10,000,000.00 (ten million Reais) per operation or series of operations related. The limits of authority approved herein are subject to the financial limits established in the By-laws, and must be observed solely and exclusively for the implementation of the transaction and/or

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CONT. OF MINUTES OF THE BOARD OF DIRECTORS' MEETING OF TIM S.A. August 31st, 2021

for the execution of legal transactions that result in the assumption of obligations and/or in the waiver of rights by the Company. In this sense, such limits of authority will not be applied in the following situations, among others: (i) in the execution of agreements for the sale of goods and services that represent revenue; (ii) in the practice of acts of simple administrative routines before legal entities of internal public law, public companies or companies that make up the indirect administration, and others of the same nature; and (iii) in the execution of acts of the Company's financial operational routine, such as the authorization and/or payment of taxes or any obligations, transfers of funds between accounts of the same ownership, applications and redemptions of financial resources of the Company, opening or closing of current accounts, and request and cancellation of access to any systems made available by financial institutions in general. Lastly, all Statutory Officers may perform any acts and sign any and all documents, on behalf of the Company, that have been previously approved by the competent corporate bodies, regardless of the limits of authority established herein.

CLOSING: With no further issues to discuss, the meeting was adjourned, and these minutes drafted as summary, read, approved and signed by all attendees Board Members.

I herein certify that these minutes are the faithful copy of the original version duly recorded in the respective corporate book.

Rio de Janeiro (RJ), August 31^st, 2021.

JAQUES HORN

Secretary

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