Core Viewpoint - AM Best has revised the outlooks for RenaissanceRe's Long-Term Issuer Credit Ratings from stable to positive while affirming its Financial Strength Rating of A+ (Superior) [1] Group 1: Ratings and Outlook - The Long-Term Issuer Credit Ratings (Long-Term ICRs) for RenaissanceRe and its subsidiaries have been affirmed at "aa-" (Superior) [1] - The Financial Strength Rating (FSR) of A+ (Superior) has also been affirmed for RenaissanceRe [1]