OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Long-Term Issuer Credit Rating (Long-Term ICR) of “bbb+” of Safety Group’s (Safety) publicly traded holding company, Safety Insurance Group, Inc. (Delaware) [NASDAQ/GS:SAFT]. Concurrently, A.M. Best has affirmed the Financial Strength Rating of A (Excellent) and the Long-Term ICRs of “a+” of the subsidiaries of Safety Insurance Group, Inc.: Safety Insurance Company, Safety Indemnity Insurance Company and Safety Property and Casualty Ins