OLDWICK, N.J.--(BUSINESS WIRE)--A.M. Best has affirmed the issuer credit rating (ICR) of “bbb” and the unsecured debt and preferred equity ratings of Fairfax Financial Holdings Limited (Fairfax) [TSX:FFH and FFH.U] (Toronto, Canada). A.M. Best also has affirmed the financial strength rating (FSR) of A (Excellent) and the ICRs of “a” of the members of the Northbridge Companies (Toronto, Ontario), which comprise Fairfax’s Canadian operations, the members of the Crum & Forster Insurance Group