OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating of A (Excellent) and the Long-Term Issuer Credit Rating of “a+” of AMEX Assurance Company (AMEX Assurance) (Itasca, IL). AMEX Assurance is a wholly owned subsidiary of American Express Company (American Express) [NYSE:AXP]. The outlook of these Credit Ratings (ratings) is stable. The ratings reflect AMEX Assurance’s balance sheet strength, which A.M. Best categorizes as very strong, as well as its very strong o
