Banco Santander-Chile Director Appointment

Banco Santander-Chile reported a material event regarding a change in its Board of Directors. Following the resignation of alternate director Alfonso Gómez Morales on September 10, 2026, the Board of Directors appointed Mr. Javier Maldonado Trinchant as the new alternate director. This appointment was resolved during the board meeting held on September 22, 2026. The company is reporting this change in accordance with relevant regulations.