American Express Company announced that in connection with the offering by the Company pursuant to a registration statement on Form S-3 (No. 333-276975) of (i) $1,300,000,000 aggregate principal amount of the Company?s 5.645% Fixed-to-Floating Rate Notes due April 23, 2027 (the ?2027 Fixed-to-Floating Rate Notes?), $1,400,000,000 aggregate principal amount of the Company?s 5.532% Fixed-to-Floating Rate Notes due April 25, 2030 (the ?2030 Fixed-to-Floating Rate Notes?) and $300,000,000 aggregate principal amount of the Company?s Floating Rate Notes due April 23, 2027 (the ?Floating Rate Notes? and, together with the 2027 Fixed-to-Floating Rate Notes and the 2030 Fixed-to-Floating Rate Notes, the ?Senior Notes?) and (ii) $500,000,000 aggregate principal amount of the Company?s 5.915% Fixed-to-Floating Rate Subordinated Notes due April 25, 2035 (the ?Subordinated Notes?

and, together with the Senior Notes, the ?Notes?). The Senior Notes are being issued pursuant to a senior indenture dated as of August 1, 2007 between the Company and The Bank of New York Mellon, as trustee (the ?Trustee?), as supplemented by the first supplemental indenture thereto dated as of February 12, 2021 and the second supplemental indenture thereto dated as of May 1, 2023, each between the Company and the Trustee (as so supplemented, the ?Senior Indenture?). The Subordinated Notes are being issued pursuant to a subordinated indenture dated as of August 1, 2007 between the Company and the Trustee, as supplemented by the second supplemental indenture thereto dated as of May 26, 2022 and the fourth supplemental indenture thereto dated as of February 9, 2024, each between the Company and the Trustee (as so supplemented, the ?Subordinated Indenture?).