LONDON–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating (FSR) of A+ (Superior) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “aa-” of the main rated insurance subsidiaries of Zurich Insurance Group Ltd (Switzerland). These companies are collectively referred to as Zurich group. (See below for a detailed list.) At the same time, A.M. Best has affirmed the Long-Term ICR of “a” of the holding company, Zurich Insurance Group Ltd. The outlook of these Credit Rating