A.M. Best Comments That Ratings Are Unchanged for Alterra Capital Holdings Ltd. and Its Operating Subsidiaries

OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best Co. has commented that the financial strength rating (FSR) of A (Excellent) and issuer credit ratings (ICR) of “a” of Alterra Bermuda Limited (Alterra Bermuda) and its affiliated operating companies are unchanged based on the proposed transaction between Alterra Capital Holdings Ltd. (Alterra) [NASDAQ: ALTE] and Markel Corporation (Virginia) [NYSE: MKL]. Concurrently, A.M. Best has commented that the ICR of “bbb” of Alterra is unchanged as well and the debt ratings of Alterra, Alterra USA Holdings Limited, Alterra Finance, LLC (both domiciled in Delaware) and Alterra Capital Trust I. The outlook for all ratings is stable. The above named companies are domiciled in Bermuda, unless otherwise specified. (See below for a detailed listing of the companies and ratings.)