OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Long-Term Issue Credit Rating of “bbb-” of the 4.350% 10-year, senior unsecured notes, due 2025, of Kemper Corporation (Kemper Corp.) [NYSE:KMPR] (headquartered in Chicago, IL). The outlook of the Credit Rating (rating) is stable. The existing ratings of Kemper Corp. and its subsidiaries are unchanged. The rating applies to the recently issued $200 million 4.350% senior unsecured notes, due 2025, by Kemper Corp., and its existing $250 m