Banco Santander (Brasil) S.A. Board of Directors Meeting on April 10, 2026

The Board of Directors of Banco Santander (Brasil) S.A. convened on April 10, 2026, to approve the declaration and payment of Interest on Company's Equity. A gross amount of R$ 2,000,000,000.00 was approved, translating to R$ 0.25461944581 per common share, R$ 0.28008139039 per preferred share, and R$ 0.53470083620 per Unit. After deducting withholding income tax, the net amount is R$ 1,650,000,000.00. Shareholders of record by April 20, 2026, will receive these payments, with shares trading ex-Interest on Company's Equity from April 22, 2026. The Interest on Company's Equity will be considered within the mandatory dividends for 2026 and paid on May 7, 2026. The amount is within the tax legislation limits. The Executive Board is authorized to issue a notice to shareholders regarding this resolution.