MEXICO CITY–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A- (Excellent), the Long-Term Issuer Credit Rating (Long-Term ICR) of “a-” and the Mexico National Scale Rating of “aaa.MX” of QBE de México Compañía de Seguros S.A. de C.V. (QBE de Mexico) (Mexico). The outlook of these Credit Ratings (ratings) is stable. The ratings reflect QBE de Mexico’s balance sheet strength, which A.M. Best categorizes as very strong, as well as its marginal operating performance, neutr