X0609 4 2026-09-22 0 0001471055 Banco Santander (Brasil) S.A. BSBR 0002120375 Saes Edmilson true AVENIDA BRIGADEIRO FARIA LIMA, 2170 PUTIM SAO JOSE DOS CAMPOS SAO PAULO D5 12227-901 BRAZIL 0 1 0 0 VP Exec Officer 0 UNIT - SANB11 2026-09-22 2026-09-22 4 S 0 50000 5.79 D 300203 D Equivalent to R$29.64 per share. Amounts presented were converted into U.S. dollars at the exchange rate of R$ 5.1155 per U.S.$1.00 as reported by Brazilian Central Bank on September 22, 2026. /s/ Ede Ilson Vianni 2026-09-28