Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that the statement on Schedule 13D filed herewith (including any and all amendments thereto) relating to the common shares, without par value, of TIM S.A., a Brazilian corporation, is being filed jointly with the United States Securities and Exchange Commission, on behalf of each of the undersigned, and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filings.

The undersigned further agree that each party hereto is responsible for the timely filing of such statement on Schedule 13G and any amendments thereto, and for the accuracy and completeness of the information concerning such party contained therein; provided, however, that no party is responsible for the accuracy or completeness of the information concerning any other party, unless such party knows or has reason to believe that such information is inaccurate.

This Joint Filing Agreement may be signed in counterparts with the same effect as if the signature on each counterpart were upon the same instrument.

September 30, 2020

Dated

/s/ Riccardo Amerigo Pettazzi

Signature

Name: Riccardo Amerigo Pettazzi
Title: Director, Corporate Affairs
TELECOM ITALIA S.P.A.

September 30, 2020

Dated

/s/ Biagio Murciano

Signature

Name: Biagio Murciano
Title:  CEO
TELECOM ITALIA FINANCE S.A.

September 30, 2020

Dated

/s/ Mario Girasole

Signature

Name: Mario Girasole
Title: CEO
TIM BRASIL SERVIÇOS E PARTICIPAÇÕES S.A.