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 1,947,663 Net interest income 513,634 Loans and accounts receivables from customers and banks, net 39,785,997 Net fee and commission income 148,251 Loans and accounts receivables from customers at fair value, net 108,132 Result from financial operations 71,216 Financial instruments 8,884,654 Total operating income 733,101 Financial derivative contracts 11,550,458 Provision for loan losses (139,501) Other asset ítems 4,782,519 Support expenses (239,963) Total assets 67,059,423 Other results (19,103) Income before tax 334,534 Principal liabilities MCh$ Income tax expense (52,797) Deposits and other demand liabilities 13,301,733 Net income for the period 281,737 Time deposits and other time liabilities 17,305,983 Issued debt and regulatory capital instruments 10,230,369 Attributable to: Financial derivative contracts 11,799,315 Equity holders of the Bank 277,797 Other liabilities ítems 9,852,141 Non-controlling interest 3,940 Total equity 4,569,882 Total liabilities and Equity 67,059,423 Equity attributable to: Equity holders of the Bank 4,462,714 Non-controlling interest 107,168 BANCO SANTANDER-CHILE AND SUBSIDIARIES CONSOLIDATED FINANCIAL INFORMATION As of March 31, 2025 The principal balances and results accumulated for the period ending March 2025 (amounts in millions of Chilean pesos). JONATHAN COVARRUBIAS H. ROMAN BLANCO R. 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 1.947.663 Ingresos netos por intereses y reajustes 513.634 Créditos y cuentas por cobrar a clientes y bancos 39.785.997 Ingresos netos de comisiones 148.251 Créditos y cuentas por cobrar a clientes a valor razonable 108.132 Resultado de operaciones financieras 71.216 Instrumentos financieros 8.884.654 Total ingresos operacionales 733.101 Contratos de derivados financieros 11.550.458 Gasto de pérdidas crediticias (139.501) Otros rubros del activo 4.782.519 Gastos de apoyo (239.963) Total Activos 67.059.423 Otros resultados (19.103) Resultado antes de impuesto 334.534 Principales rubros del pasivo MM$ Impuesto a la renta (52.797) Depósitos y otras obligaciones a la vista 13.301.733 Utilidad consolidada del periodo 281.737 Depósitos y otras captaciones a plazo 17.305.983 Instrumentos de deuda y capital regulatorio emitidos 10.230.369 Resultado atribuible a: Contratos de derivados financieros 11.799.315 Tenedores patrimoniales del Banco 277.797 Otros rubros del pasivo 9.852.141 Interés no controlador 3.940 Total patrimonio 4.569.882 Total Pasivos y Patrimonio 67.059.423 Patrimonio atribuible a: Tenedores patrimoniales del Banco 4.462.714 Interés no controlador 107.168 BANCO SANTANDER-CHILE Y AFILIADAS INFORMACIÓN FINANCIERA CONSOLIDADA Al 31 de Marzo de 2025 A continuación, se presentan los principales saldos de balance y resultados acumulados por el periodo de cierre de mes de Marzo de 2025 (cifras en millones de pesos). JONATHAN COVARRUBIAS H. ROMAN BLANCO R. 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?