OREANDA-NEWS. A.M. Best has revised the outlooks to negative from stable and affirmed the financial strength ratings (FSR) of A- (Excellent) and the issuer credit ratings (ICR) of “a-” of Highmark Inc. (Highmark), Highmark Choice Company, HM Health Insurance Company and Highmark West Virginia Inc. (Parkersburg, WV). Concurrently, A.M. Best has affirmed the issue ratings of “bbb+” on Highmark’s existing senior notes. Additionally, A.M. Best has affirmed the FSRs of A- (Excellent) and the ICRs of “a-” of Highmark’s life/health and property/casualty subsidiaries, which include HM Life Insurance Company (HM Life), HM Life Insurance Company of New York (HM Life New York) (New York, NY), Highmark Casualty Insurance Company (Highmark Casualty) and HM Casualty Insurance Company (HM Casualty), as well as Highmark’s dental subsidiaries, which operate under the United Concordia brand name.