OREANDA-NEWS. A.M. Best has affirmed the financial strength rating of A++ (Superior) and issuer credit ratings of “aa+” of Massachusetts Mutual Life Insurance Company (MassMutual) and its life/health subsidiaries, C.M. Life Insurance Company and MML Bay State Life Insurance Company. Concurrently, A.M. Best has affirmed the issue ratings of “aa-” on the existing surplus notes of MassMutual and the “aa+” on notes issued under funding agreement-backed securities programs of MassMutual Global Funding, LLC and MassMutual Global Funding II. The outlook for each rating is stable. The above companies are headquartered in Springfield, MA.