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DEFA14A 1 tm261356-6_defa14a.htm DEFA14A tm261356-6_defa14a - none - 1.5000015s

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 ☐

Check the appropriate box:

☐

Preliminary Proxy Statement

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Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

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Definitive Proxy Statement

☒

Definitive Additional Materials

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Soliciting Material under §240.14a-12

DUKE ENERGY CORPORATION

(Name of Registrant as Specified In Its Charter)

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

Payment of Filing Fee (Check the appropriate box):

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No fee required.

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Fee paid previously with preliminary materials.

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Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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DUKE ENERGY CORPORATION C/O BROADRIDGEP.O. BOX 1342BRENTWOOD, NY 11717V85151-P45582-Z91999You invested in DUKE ENERGY CORPORATION and it is time to vote!You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding theavailability of proxy materials for the shareholder meeting to be held on May 7, 2026.Get informed before you voteView the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) byrequesting them prior to April 23, 2026. 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. Smartphone usersPoint your camera here and vote without entering a control number Vote Virtually at the Meeting*May 7, 20261:00 p.m. Eastern timeThe Annual Meeting will be held online via live webcast at:www.virtualshareholdermeeting.com/DUK2026 *Please check the meeting materials for any special requirements for meeting attendance.

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Vote at www.ProxyVote.comTHIS IS NOT A VOTABLE BALLOTThis 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. Voting Items Board Recommends 1.Election of directors ForNominees:1a. Derrick Burks1b. Annette K. Clayton For1c. Theodore F. Craver, Jr. For1d. Robert M. Davis For1e. Caroline Dorsa For1f. W. Roy Dunbar For1g. Nicholas C. Fanandakis For1h. Jeffrey B. Guldner For1i.John T. Herron For1j.Idalene F. Kesner For1k. Michael J. Pacilio For1l.Harry K. Sideris For1m. Thomas E. Skains For1n. William E. Webster, Jr. For2.Ratification of Deloitte & Touche LLP as Duke Energy’s independent registered public accounting firm for 2026 For3.Advisory vote to approve Duke Energy’s named executive officer compensation For4.Amendment to the Amended and Restated Certificate of Incorporation of Duke Energy Corporation to eliminate supermajority requirements ForPrefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”.V85152-P45582-Z91999

SEC Form DEFA14A filed by Duke Energy Corporation (Holding Company)