OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has placed under review with developing implications the Financial Strength Rating (FSR) of A- (Excellent) and the Long-Term Issuer Credit Ratings (Long-Term ICRs) of “a-” for the property/casualty subsidiaries and affiliated insurance companies of Kemper Corporation (Kemper Corp.) [NYSE: KMPR], collectively referred to as Kemper Property & Casualty Group. A.M. Best also has placed under review with developing implications the FSR of A- (Excellent)