OREANDA-NEWS. A.M. Best has affirmed the financial strength rating (FSR) of A+ (Superior) and the issuer credit ratings (ICR) of “aa-” of the key life/health subsidiaries of Torchmark Corporation (Torchmark) (headquartered in McKinney, TX) [NYSE: TMK]. Concurrently, A.M. Best has affirmed the ICR of “a-” and all existing issue ratings of Torchmark. The outlook for each rating is stable.