TIM launches share buyback program worth up to R$ 1 billion through Feb. 2028

• TIM board on Aug. 19, 2026 opened a new share buyback program, replacing its prior plan approved Feb. 12, 2025.
• Program authorizes repurchase of up to 55,187,638 common shares, about 2.31% of outstanding common stock.
• Shares will be bought on B3 at market prices through Feb. 19, 2028, for treasury and later cancellation.
• Funding set at up to BRL 1 billion from profit reserves, with trades intermediated by major broker-dealers.

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