AM Best has affirmed the Long-Term Issuer Credit Rating of "a" (Excellent) of National General Holdings Corp. (NGHC) (headquartered in New York, NY). Additionally, AM Best has affirmed the Long-Term Issue Credit Ratings of "a" (Excellent) on the $100 million 6.75 senior unsecured notes and "a" (Excellent) on the $250 million 6.75% senior unsecured notes both due 2024 of NGHC, guaranteed by The Allstate Corporation (Allcorp). The outlook of these Credit Ratings (ratings) is stable.