UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.     )

Filed by the Registrant  ☒                             Filed by a Party other than the Registrant  ☐

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☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material Pursuant to §240.14a-12

AMERICAN EXPRESS COMPANY

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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Your Vote Counts! AMERICAN EXPRESS COMPANY 2021 Annual Meeting of Shareholders Vote by May 3, 2021 11:59 PM ET. For shares held in a Plan, vote by April 29, 2021 11:59 PM ET. 200 VESEY STREET NEW YORK, NY 10285 D38501-P48361 You invested in AMERICAN EXPRESS COMPANY and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting of Shareholders. This is an important notice regarding the availability of proxy material for the Annual Meeting of Shareholders to be held on May 4, 2021. Get informed before you vote View the Annual Report, Notice and Proxy Statement online OR you can receive a free paper copy of voting material(s) by requesting prior to April 20, 2021. If you would like to request a copy of the voting material(s), you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. VOTE CONFIRMATION You may confirm that your instructions were received and included in the final tabulation to be issued at the Annual Meeting of Shareholders on May 4, 2021 via the ProxyVote Confirmation link at www.proxyvote.com by using the information that is printed in the box. Vote Confirmation is available 24 hours after your vote is received beginning April 20, 2021, with the final vote tabulation remaining available through July 2, 2021. For complete information and to vote, visit www.ProxyVote.com Control # Vote Virtually at the Meeting* May 4, 2021 9:00 A.M. Eastern Time Smartphone users Point your camera here and vote without entering a control number Virtually at: www.virtualshareholdermeeting.com/AXP2021 *Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. V1

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters. Board Recommends Voting Items 1. Election of director nominees proposed by the Board of Directors for a term of one year. 1a. Thomas J. Baltimore For 1b. Charlene Barshefsky For 1c. John J. Brennan For 1d. Peter Chernin For For 1e. Ralph de la Vega For 1f. Michael O. Leavitt 1g. Theodore J. Leonsis For For 1h. Karen L. Parkhill For 1i. Charles E. Phillips For 1j. Lynn A. Pike For 1k. Stephen J. Squeri For 1l. Daniel L. Vasella For 1m. Lisa W. Wardell For 1n. Ronald A. Williams For 1o. Christopher D. Young For 2. Ratification of appointment of PricewaterhouseCoopers LLP as independent registered public accounting firm for 2021. 3. Approval, on an advisory basis, of the Company’s executive compensation. For Against 4. Shareholder proposal relating to action by written consent. Against 5. Shareholder proposal relating to annual report on diversity. The proxies are authorized to vote in their discretion upon any other matter that may properly come before the meeting or any adjournment(s) or postponement(s) thereof. NOTE: You cannot vote by returning this Notice. To vote the shares, you must vote online or request a paper copy of the proxy materials to receive a proxy card. You may also attend and vote at the meeting. Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”. D38502-P48361