AM Best Upgrades Credit Ratings of OneBeacon U.S. Holdings, Inc. and Its Subsidiaries

News Release
March 8, 2019

AM Best has upgraded the Financial Strength Rating (FSR) to A+ (Superior) from A (Excellent) and the Long-Term Issuer Credit Ratings (Long-Term ICR) to “aa-” from “a+” of Atlantic Specialty Insurance Company (Atlantic Specialty) (New York, NY) and its subsidiaries (formerly known as OneBeacon Insurance Group).

Read the full news release.