OLDWICK, N.J--(BUSINESS WIRE)--A.M. Best has affirmed the financial strength rating of A- (Excellent) and the issuer credit rating (ICR) of “a-” of Watford Re Ltd. (Watford), as well as the ICR of “bbb-” of Watford Holdings Ltd. Both companies are domiciled in Hamilton, Bermuda. Concurrently, A.M. Best has affirmed the issue ratings of “bb” on the $225 million 8.5% cumulative preference shares of Watford Holdings Ltd. The outlook for all ratings is stable. The ratings are based on Watford’s str