LONDON–(BUSINESS WIRE)–A.M. Best has revised the outlook to stable from positive for the Long-Term Issuer Credit Rating (Long-Term ICR) and affirmed the Financial Strength Rating (FSR) of A (Excellent) and the Long-Term ICR of “a” of Aspen Insurance UK Limited (AIUK) (United Kingdom), Aspen Bermuda Limited (ABL) (Bermuda), Aspen American Insurance Company (AAIC) (Dallas, TX) and Aspen Specialty Insurance Company (ASIC) (Bismarck, ND). The outlook of the FSR remains stable. At the same time, A