(NYSE:PL) OLDWICK, N.J.--(BUSINESS WIRE)-- #insurance--AM Best has affirmed the Financial Strength Rating (FSR) of A+ (Superior) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “aa-” (Superior) of the primary life insurance subsidiaries of Protective Life Corporation (headquartered in Birmingham, AL), collectively known as Protective Life. Additionally, AM Best has affirmed the Long-Term ICR of “a-” (Excellent) and the existing Long-Term Issue Credit Ratings (Long-Term IRs) of Protective Life Corporation.