AMERICAN EXPRESS RECEIVABLES FINANCING CORP III LLC

Item 8.01. Other Events. On September 15, 2026, American Express Receivables Financing Corporation III LLC (the “Transferor”) and American Express National Bank (“AENB”) entered into an Underwriting Agreement (the “Underwriting Agreement”) with Barclays Capital Inc., Mizuho Securities USA LLC, RBC Capital Markets, LLC, and Scotia Capital (USA) Inc., as representatives of the several underwriters (collectively, the “Representatives”), with respect to the issuance and sale of Class A 4.99% Asset Backed Certificates, Series 2026-1 (the “Class A Certificates”), expected to be issued by the American Express Credit Account Master Trust (the “Trust”) on or about September 22, 2026 (the “Closing Date”). The Underwriting Agreement is attached hereto as Exhibit 1.1. The Trust is also expected to issue Class B 5.39% Asset Backed Certificates, Series 2026-1 (the “Class B Certificates” and, together with the Class A Certificates, the “Certificates”) on the Closing Date, which will be purchased directly by the Transferor or an affiliate of the Transferor. On the Closing Date, the Trust will supplement its Fourth Amended and Restated Pooling and Servicing Agreement, dated as of April 1, 2018, as amended from time to time (the “Pooling and Servicing Agreement”), with its Series 2026-1 Supplement, to be dated as of the Closing Date (the “Series 2026-1 Supplement”). An unexecuted copy of the Series 2026-1 Supplement is attached hereto as Exhibit 4.1. In connection with the offering of the Class A Certificates, the chief executive officer of the Transferor has made the certifications required by Paragraph I.B.1(a) of Form SF-3, attached hereto as Exhibit 36.1. The certifications are being filed as an exhibit to this Report to satisfy the requirements of Item 601(b)(36) of Regulation S-K. Copies of the opinions of Orrick, Herrington & Sutcliffe LLP with respect to legality of the Class A Certificates and certain federal tax matters, together with related consents of Orrick, Herrington & Sutcliffe LLP to the incorporation by reference of such opinions as exhibits to the Registration Statement, are attached hereto as Exhibits 5.1, 8.1, 23.1 and 23.2.