OLDWICK, N.J.–(BUSINESS WIRE)–AM Best has affirmed the Financial Strength Rating of A+ (Superior) and the Long-Term Issuer Credit Ratings of “aa-” of Mutual of Omaha Insurance Company and its subsidiaries, United of Omaha Life Insurance Company, Companion Life Insurance Company (Hauppauge, NY) and United World Life Insurance Company. Concurrently, AM Best has affirmed the Long-Term Issue Credit Ratings (Long-Term IR) of “a” on the group’s existing surplus notes. The outlook of these Credit Ra