TIM S.A. announced that at its board meeting held on March 31, 2023, the board elected to compose the Control and Risks Committee of the Company (CCR), Messrs. Adrian Calaza, Gesner José de Oliveira Filho, Herculano Aníbal Alves, Michele Valensise and Michela Mossini. All Board Members hereby elected will have mandate until the Annual Shareholders' Meeting of the Company to be held in the year of 2025; to compose the Environmental, Social & Governance Committee of the Company (CESG), Messrs.

Nicandro Durante, Alberto Mario Griselli, Gesner José de Oliveira Filho, Claudio Giovani Ezio Ongaro and Michela Mossini. All Board Members hereby elected will have mandate until the Annual Shareholders' Meeting of the Company to be held in the year of 2025; to compose the Compensation Committee of the Company (“CR”), Messrs. Nicandro Durante, Claudio Giovani Ezio Ongaro and Michele Valensise.

All Board Members hereby elected will have mandate until the Annual Shareholders' Meeting of the Company to be held in the year of 2025. The board also elected Diretora Financeira (Chief Financial Officer), Mrs. Andrea Palma Viegas Marques, Brazilian, married, administrator, bearer of the Identity Card No. 08524330-1, issued by DETRAN/RJ in May 18th, 2011, enrolled in the taxpayers' roll (CPF/ME) under No.

014.189.697-37, domiciled at Avenida João Cabral de Mello Neto, No. 850, South Tower, 13th floor, Barra da Tijuca, in the city and State of Rio de Janeiro; (iii) Business Support Officer, Mr. Bruno Mutzenbecher Gentil, Brazilian, married, Bachelor in Business Administration, bearer of the Identity Card No. 07.212.618-8, issued by IFP/RJ in September 10th, 1998, enrolled in the taxpayers' roll (CPF/ME) under No.

001.330.367-82, domiciled at Avenida João Cabral de Mello Neto, No. 850, South Tower, 13th floor, Barra da Tijuca, in the city and State of Rio de Janeiro; (iv) Regulatory and Institutional Affairs Officer, Mr. Mario Girasole, naturalized as Brazilian, divorced, Doctor in Economics, bearer of the Identity Card No. 32.859.384-3, issued by DETRAN/RJ in December 20th, 2016, enrolled in the taxpayers' roll (CPF/ME) under No.

059.292.237-50, domiciled at Avenida João Cabral de Mello Neto, No. 850, South Tower, 13th floor, Barra da Tijuca, in the city and State of Rio de Janeiro; (v) Diretora Jurídica (Legal Officer), Mrs. Fabiane Reschke, Brazilian, married, lawyer, bearer of the Identity Card No. 344518053 - CNH, issued by DETRAN/RS in January 11th, 2019, enrolled in the taxpayers' roll (CPF/ME) under No.

544.284.590-68, domiciled at Avenida João Cabral de Mello Neto, No. 850, South Tower, 13th floor, Barra da Tijuca, in the city and State of Rio de Janeiro; and (vi) Mrs. Maria Antonietta Russo, Italian, married, bachelor in Psychology, bearer of the Identity Card RNM No. V411242M, issued by CGPI/DIREX/PF-RJ in June 19th, 2021, enrolled in the taxpayers' roll (CPF/ME) under No.

059.696.447-14, domiciled at Avenida João Cabral de Mello Neto, No. 850, South Tower, 13th floor, Barra da Tijuca, in the city and State of Rio de Janeiro. All Board of Officers' members will remain in the office until the first Board of Directors' meeting to be held after the Company's Annual Shareholders' Meeting of the year 2025.