SUMMARIZED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION SUMMARIZED CONSOLIDATED STATEMENTS OF INCOME FOR THE PERIOD Principal assets MCh$ Operational results MCh$ Cash and deposits in banks 1,802,029 Net interest income 1,033,547 Loans and accounts receivables from customers and banks, net 39,645,831 Net fee and commission income 296,693 Loans and accounts receivables from customers at fair value, net 178,989 Result from financial operations 134,166 Financial instruments 8,943,035 Total operating income 1,464,406 Financial derivative contracts 10,715,801 Provision for loan losses (286,765) Other asset ítems 4,902,757 Support expenses (479,295) Total assets 66,188,442 Other results (37,176) Income before tax 661,170 Principal liabilities MCh$ Income tax expense (102,617) Deposits and other demand liabilities 13,120,949 Net income for the period 558,553 Time deposits and other time liabilities 16,493,664 Issued debt and regulatory capital instruments 10,677,237 Attributable to: Financial derivative contracts 10,906,536 Equity holders of the Bank 550,354 Other liabilities ítems 10,364,030 Non-controlling interest 8,199 Total equity 4,626,026 Total liabilities and Equity 66,188,442 Equity attributable to: Equity holders of the Bank 4,514,321 Non-controlling interest 111,705 BANCO SANTANDER-CHILE AND SUBSIDIARIES CONSOLIDATED FINANCIAL INFORMATION As of June 30, 2025 The principal balances and results accumulated for the period ending June 2025 (amounts in millions of Chilean pesos). JONATHAN COVARRUBIAS H. ANDRES TRAUTMANN B. Chief Accounting Officer Chief Executive Officer

B ESTADO DE SITUACIÓN FINANCIERA CONSOLIDADO RESUMIDO ESTADO DE RESULTADOS CONSOLIDADO DEL PERIODO RESUMIDO Principales rubros del activo MM$ Resultados operacionales MM$ Efectivo y depósitos en bancos 1.802.029 Ingresos netos por intereses y reajustes 1.033.547 Créditos y cuentas por cobrar a clientes y bancos 39.645.831 Ingresos netos de comisiones 296.693 Créditos y cuentas por cobrar a clientes a valor razonable 178.989 Resultado de operaciones financieras 134.166 Instrumentos financieros 8.943.035 Total ingresos operacionales 1.464.406 Contratos de derivados financieros 10.715.801 Gasto de pérdidas crediticias (286.765) Otros rubros del activo 4.902.757 Gastos de apoyo (479.295) Total Activos 66.188.442 Otros resultados (37.176) Resultado antes de impuesto 661.170 Principales rubros del pasivo MM$ Impuesto a la renta (102.617) Depósitos y otras obligaciones a la vista 13.120.949 Utilidad consolidada del periodo 558.553 Depósitos y otras captaciones a plazo 16.493.664 Instrumentos de deuda y capital regulatorio emitidos 10.677.237 Resultado atribuible a: Contratos de derivados financieros 10.906.536 Tenedores patrimoniales del Banco 550.354 Otros rubros del pasivo 10.364.030 Interés no controlador 8.199 Total patrimonio 4.626.026 Total Pasivos y Patrimonio 66.188.442 Patrimonio atribuible a: Tenedores patrimoniales del Banco 4.514.321 Interés no controlador 111.705 BANCO SANTANDER-CHILE Y AFILIADAS INFORMACIÓN FINANCIERA CONSOLIDADA Al 30 de Junio de 2025 A continuación, se presentan los principales saldos de balance y resultados acumulados por el periodo de cierre de mes de Junio de 2025 (cifras en millones de pesos). JONATHAN COVARRUBIAS H. ANDRES TRAUTMANN B. Gerente de Contabilidad Gerente General

IMPORTANT NOTICE The unaudited financial information has been prepared in accordance with the Compendium of Accounting Standards for Banks effective from January 1, 2022 issued by the Financial Market Commission (FMC), The accounting principles issued by the FMC are substantially similar to IFRS but there are some exceptions, The FMC is the banking industry regulator according to article 2 of the General Banking Law, which by General Regulation establishes the accounting principles to be used by the banking industry, For those principles not covered by the Compendium of Accounting Standards for Banks, banks can use generally accepted accounting principles issued by the Chilean Accountant’s Association AG which coincide with International Financial Reporting Standards (IFRS) issued by the International Accounting Standards Board (IASB), If discrepancies exist between the accounting principles issued by the FMC (Compendium of Accounting Standards for Banks) and IFRS the Compendium of Accounting Standards for Banks will take precedence, ¿Qué podemos hacer por ti hoy?