OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A- (Excellent) and the Long-Term Issuer Credit Rating of “a-” of PMG Assurance Ltd. (PMG) (Bermuda). The outlook of these Credit Ratings (ratings) is stable. The ratings reflect PMG’s balance sheet strength, which A.M. Best categorizes as strongest, as well as its strong operating performance, limited business profile and appropriate enterprise risk management. The ratings also reflect PMG’s strategic positi