LONDON–(BUSINESS WIRE)–AM Best has affirmed the Financial Strength Rating of A- (Excellent) and the Long-Term Issuer Credit Rating of “a-” of Société Hospitalière d’Assurances Mutuelles (Sham) (France). The outlook of these Credit Ratings (ratings) remains stable. The ratings reflect Sham’s balance sheet strength, which AM Best categorises as very strong, as well as its adequate operating performance, neutral business profile and appropriate enterprise risk management. Sham benefits from a so