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

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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 under § 240.14a-12

EXXON MOBIL CORPORATION

(Name of Registrant as Specified In Its Charter)

NOT APPLICABLE

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

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Your Vote Counts! EXXON MOBIL CORPORATION 2024 Annual Meeting Vote by May 28, 2024 11:59 PM ET V44336-P05507 You invested in EXXON MOBIL CORPORATION and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the shareholder meeting to be held on May 29, 2024. Get informed before you vote View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 15, 2024. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, 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. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Smartphone users Point your camera here and vote without entering a control number Vote by Mail Submit with your prepaid envelope Vote by Phone 800-690-6903 Vote Virtually at the Meeting* May 29, 2024 9:30 AM CT Virtually at: www.virtualshareholdermeeting.com/XOM2024 *Please check the meeting materials for any special requirements for meeting attendance.

Vote at www.ProxyVote.com 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. EXXON MOBIL CORPORATION 2024 Annual Meeting Vote by May 28, 2024 11:59 PM ET Voting Items Board Recommends Voting Options 1. Election of Directors Nominees: 1a. Michael J. Angelakis For For Against Abstain 1b. Angela F. Braly For For Against Abstain 1c. Gregory J. Goff For For Against Abstain 1d. John D. Harris II For For Against Abstain 1e. Kaisa H. Hietala For For Against Abstain 1f. Joseph L. Hooley For For Against Abstain 1g. Steven A. Kandarian For For Against Abstain 1h. Alexander A. Karsner For For Against Abstain 1i. Lawrence W. Kellner For For Against Abstain 1j. Dina Powell McCormick For For Against Abstain 1k. Jeffrey W. Ubben For For Against Abstain 1l. Darren W. Woods For For Against Abstain 2. Ratification of Independent Auditors For For Against Abstain 3. Advisory Vote to Approve Executive Compensation For For Against Abstain 4. Revisit Executive Pay Incentives for GHG Emission Reductions Against For Against Abstain 5. Additional Pay Report on Gender and Racial Basis Against For Against Abstain 6. Report on Plastic Production Under SCS Scenario Against For Against Abstain 7. Additional Social Impact Report Against For Against Abstain NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Signature Date V44337-P05507