EX-2.1 2 a12-26271_1ex2d1.htm EX-2.1 ADMINISTRADORA DE FONDOS DE PENSIONES CUPRUM S.A. SALE AND PURCHASE PROMISE AGREEMENT EMPRESAS PENTA S.A. and INVERSIONES BANPENTA LIMITADA, as Promising Sellers and PRINCIPAL FINANCIAL SERVICES, INC., as Promising...