Banco Santander (Brasil) S.A. Announces Extraordinary General Meeting

Banco Santander (Brasil) S.A. has issued a call notice for an Extraordinary General Meeting (EGM) to be held on October 16, 2025, at 3 p.m. at the company's headquarters in São Paulo, Brazil. The agenda includes amending the company's bylaws to adapt to CMN Resolution No. 4,910/21, increasing the maximum number of Board of Directors members from twelve to fifteen, updating the name of the securities market management entity, consolidating the bylaws, fixing the number of Board members, electing one new Board member, and confirming the Board's composition. Shareholders can participate in person or through remote voting. The company encourages participation through various channels to ensure a closer environment for deliberations and decision-making.