HOUSTON, Dec. 14, 2021 (GLOBE NEWSWIRE) -- Tokio Marine HCC today announced that A.M. Best has affirmed the 'A++' (Superior) Financial Strength Ratings and 'aa+' Long-Term Issuer Credit Ratings of the property/casualty insurance companies in the Houston Casualty Group and HCC Life Insurance Company. The outlook for all of A.M. Best's ratings is Stable.