AM Best has affirmed the Financial Strength Rating of A++ (Superior) and the Long-Term Issuer Credit Ratings of “aaa” of The Northwestern Mutual Life Insurance Company (Northwestern Mutual) and its subsidiary, Northwestern Long Term Care Insurance Company. The companies are domiciled in Milwaukee, WI, and collectively are known as Northwestern Mutual Group (NMG). Concurrently, AM Best has affirmed the Long-Term Issue Credit Ratings (Long-Term IR) of Northwestern Mutual’s outstanding surplus notes. The outlook of these Credit Ratings (rating) is...