American Express Receivables Financing Corp Iv FWP Free writing prospectus

Filed pursuant to Rule 433

Registration Nos.:333-205964,333-205964-01 and333-205964-02

Free Writing Prospectus, dated July 19, 2017   American Express Credit Account Master Trust Issuing Entity   SERIES 2017-5   $500,000,000* Class A Floating Rate Asset Backed Certificates   $18,679,000* Class B Floating Rate Asset Backed Certificates   American Express Receivables Financing Corporation III LLC American Express Receivables Financing Corporation IV LLC Depositors and Transferors   American Express Travel Related Services Company, Inc. Servicer   American Express Centurion Bank American Express Bank, FSB Sponsors

The depositors and transferors have prepared a preliminary prospectus dated July 19, 2017 which describes the certificates to be issued by the issuing entity. You should review the preliminary prospectus in its entirety before deciding to purchase any of the certificates.

* Subject to increase or decrease as further described in the preliminary prospectus.

Ratings

The depositors and transferors expect that the certificates issued by the issuing entity will receive the indicated ratings from the nationally recognized statistical rating organizations, or “rating agencies,” listed below.

	Fitch Ratings, Inc.	Moody’s Investors Service, Inc.
Class A certificates	AAAsf	Aaa (sf)
Class B certificates	A+sf	Aa2 (sf)

It is a condition to the issuance of the certificates that each class of certificates receive the ratings listed above, except that the minimum required rating of the Class B certificates by each of Fitch Ratings, Inc. and Moody’s Investors Service, Inc. is Asf and A2 (sf), respectively.

Underwriters of the Class A certificates

Citigroup Wells Fargo Securities

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Underwriters of the Class B certificates**

Citigroup Wells Fargo Securities

The depositors and transferors have filed a registration statement (including a prospectus) with the Securities and Exchange Commission (“SEC”) (SEC FileNo. 333-205964) for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the depositors have filed with the SEC for more complete information about the depositors, the issuing entity and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the depositors and transferors, any underwriter or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling1-800-326-5897 or by emailing WFSCustomerService@wellsfargo.com.

** All or a portion of the Class B certificates may be purchased directly by an affiliate of the transferors. There will be no underwriting arrangement for any Class B certificates purchased directly by that affiliate.