LONDON–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A (Excellent) and the Long-Term Issuer Credit Rating of “a+” of MS Amlin AG (Switzerland). The outlook of these Credit Ratings (ratings) remains stable. The ratings reflect the company’s balance sheet strength, which A.M. Best categorises as very strong, as well as its adequate operating performance, neutral business profile and appropriate enterprise risk management. An additional factor is the rating enhancement