OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has upgraded the Long-Term Issuer Credit Rating (Long-Term ICR) to “bbb+” from “bbb” and affirmed the Financial Strength Rating (FSR) of B++ (Good) of Wolverine Mutual Insurance Company (Wolverine) (Dowagiac, MI). The outlook of the Long-Term ICR has been revised to stable from positive while the outlook of the FSR remains stable. The ratings reflect Wolverine’s balance sheet strength, which A.M. Best categorizes as very strong, as well as its adequate
