TIM S A : MINUTES OF THE BOARD OF DIRECTORS’ MEETING HELD ON SEPTEMBER 18TH, 2023 - Form 6-K

MINUTES OF THE BOARD OF DIRECTORS' MEETING

HELD ON SEPTEMBER 18^TH, 2023

DATE, TIME AND PLACE: September 18^th, 2023, at 12.10 p.m., at the head office of TIM S.A. ("Company"), domiciled at Avenida João Cabral de Mello Neto, 850, Torre Sul, 13° floor, Barra da Tijuca, in the city and State of Rio de Janeiro.

PRESENCE: The Board of Directors' Meeting of the Company was held at the date, time and place mentioned above, with the presence of Messrs. Nicandro Durante, Adrian Calaza, Alberto Mario Griselli, Claudio Giovanni Ezio Ongaro, Flavia Maria Bittencourt, Gesner José de Oliveira Filho, Gigliola Bonino, Herculano Aníbal Alves and Michele Valensise, either in person or by means of audio or videoconference, as provided in the 2^nd paragraph of Section 25, of the Company's By-laws. Justified absence of Mrs. Elisabetta Paola Romano.

BOARD: Mr. Nicandro Durante - Chairman; and Mrs. Fabiane Reschke - Secretary.

AGENDA: (1) To acknowledge on the activities carried out by the Environmental, Social & Governance Committee; (2) To acknowledge on the activities carried out by the Control and Risks Committee; (3) To acknowledge on the activities carried out by the Statutory Audit Committee; (4) To acknowledge on the status of the Adjustment of Conduct Term between the Company and ANATEL - National Agency of Telecommunications; and (5) To resolve on the payment proposal of the Company's interest on shareholders' equity ("JSCP").

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 subjects 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:

(1) Acknowledged on the activities carried out by the Environmental, Social & Governance Committee ("CESG") at its meeting held on September 18^th, 2023, as per Mr. Nicandro Durante's report, Chairman of the CESG.

(2) Acknowledged on the activities carried out by the Control and Risks Committee ("CCR") at its meeting held on September 18^th, 2023, as per Mr. Herculano Aníbal Alves' report, Chairman of the CCR.