OVERVIEW American Express Credit Account Master Trust's series 2017-4 issuance is an ABS transaction backed by a pool of receivables generated by American Express credit card accounts and pay-over-time revolving credit features associated with charge card accounts that are owned by American Express Centurion Bank or American Express Bank FSB. We assigned our ratings to the class A and B certificates. The ratings reflect our view of the transaction's credit support, cash flow mechanics, and legal structure, among other factors. DALLAS (S&P Global Ratings) May 30, 2017--S&P Global Ratings today assigned its ratings to American Express Credit Account Master Trust's $1.669 billion class A and B fixed-rate asset-backed certificates series 2017-4 (see list). The note issuance is an asset-backed securities