OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has commented that the Long-Term Issuer Credit Rating of “bbb-” of National General Holdings Corp. (National General) (New York, NY) [NASDAQ:NGHC] and all other Credit Ratings (ratings) assigned to National General subsidiaries and securities issued by National General are unchanged following the announcement that the release of the company’s annual report (10-K) for the fiscal year ended Dec. 31, 2016, will be further delayed while its auditor complete