OLDWICK, N.J.–(BUSINESS WIRE)– #insurance–AM Best has affirmed the Financial Strength Rating of A (Excellent) and the Long-Term Issuer Credit Rating of “a” (Excellent) of Ardellis Insurance Ltd. (Ardellis) (Bermuda). The outlook of these Credit Ratings (ratings) is stable. The ratings reflect Ardellis’ balance sheet strength, which AM Best assesses as very strong, as well as its strong operating performance, limited business profile and appropriate enterprise risk management (ERM). Ardellis is a wholly o