MEXICO CITY–(BUSINESS WIRE)–A.M. Best has removed from under review with negative implications and downgraded the Financial Strength Rating to a Non-Rating Designation of E (Under Regulatory Supervision) from B (Fair) and the Long-Term Issuer Credit Rating to “e” from “bb+” of Istmo Compañía de Reaseguros, Inc. (Istmo Re) (Panama City, Panama). The rating actions taken on Istmo Re reflect a regulatory intervention at the company on Dec. 12, 2016 by the Superintendent of Insurance and Reinsura
