LONDON–(BUSINESS WIRE)–A.M. Best has downgraded the Long-Term Issuer Credit Rating (Long-Term ICR) to “aa-” from “aa” and affirmed the Financial Strength Rating (FSR) of A+ (Superior) of Intercona Re AG (Intercona) (Switzerland). The outlook of these Credit Ratings (rating) is stable. The ratings reflect Intercona’s balance sheet strength, which A.M. Best categorises as strongest, as well as its strong operating performance, neutral business profile and appropriate enterprise risk management