Banco Santander (Brasil) S.A. Board of Directors Meeting Minutes May 20, 2026

This filing details the minutes of the Board of Directors meeting of Banco Santander (Brasil) S.A. held on May 20, 2026. The primary resolution of the meeting was the acknowledgment of the resignation of Mr. Christian George Egan from his position as Vice-President Executive Officer. The resignation was formally accepted by the Board members. The meeting was conducted via conference call with the attendance of all board members. The minutes were prepared and electronically signed by the attendees. The filing also includes the required signatures pursuant to the Securities Exchange Act of 1934, with Reginaldo Antonio Ribeiro and Carlos Ignacio Muñiz Gonzalez Blanch signing on behalf of the company.