TIM achieved first place among the companies that make up the B3 Corporate Sustainability Index (“ISE”) portfolio

TIM has been ranked first among the companies that make up the portfolio of the Corporate Sustainability Index (“ISE”) of B3.

The Company reinforces its leading role in ESG in the telecommunications sector and among publicly
traded companies in Brazil, remaining for the 17th consecutive year in the select group of companies
that make up the ISE. This year, TIM improved its performance and climbed three positions in the index to reach first place.

TIM is the company in the telecommunications sector that has remained in the ISE portfolio for the most consecutive years, reaffirming its commitment to the continuous management of social, environmental and governance aspects, creating value for its shareholders and other stakeholders.

The new ISE portfolio, effective from May 5, 2025, comprises 82 companies across 40 sectors.

For more information about our sustainability program, visit:

TIM is the most sustainable company in Brasil

TIM achieved first place among the companies that make up the B3 Corporate Sustainability Index (“ISE”) portfolio