Banco Santander (Brasil) S.A. Board of Directors Meeting Minutes

The Board of Directors of Banco Santander (Brasil) S.A. convened on April 10, 2026, via conference call. The meeting addressed two key resolutions: the exoneration of Mr. Gustavo Alejo Viviani from his positions as Vice-President Executive Officer and Investors Relations Officer, and the appointment of Mr. Carlos Ignacio Muñiz Gonzalez Blanch to these same roles. The board unanimously approved both resolutions. Mr. Viviani was thanked for his contributions. The Nomination and Governance Committee had previously recommended these approvals. The minutes were prepared and electronically signed by the attendees.