MEXICO CITY–(BUSINESS WIRE)–AM Best has affirmed the Financial Strength Rating of A (Excellent) and the Long-Term Issuer Credit Rating of “a+” (Excellent) of Chubb Perú S.A. Compañía de Seguros y Reaseguros (Chubb Perú) (Lima, Peru). The outlook of these Credit Ratings (ratings) is stable. The ratings reflect Chubb Perú’s balance sheet strength, which AM Best assesses as strongest, as well as its adequate operating performance, neutral business profile and appropriate enterprise risk manageme