OLDWICK, N.J.–(BUSINESS WIRE)– #insurance–AM Best has affirmed the Financial Strength Rating (FSR) of A+ (Superior) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “aa-” (Superior) of the operating subsidiaries of Everest Group, Ltd. (Bermuda) (collectively referred to as Everest). Concurrently, AM Best has affirmed the Long-Term ICRs of “a-” (Excellent) of Everest Group, Ltd. and Everest Reinsurance Holdings, Inc. (Delaware). Lastly, AM Best has affirmed the Long-Term Issue Credit Rating (Lon