ONEOK INC NEW

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

Check the appropriate box:

ONEOK, Inc.

(Name of Registrant as Specified In Its Charter)

NOT APPLICABLE

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

Payment of Filing Fee (Check all boxes that apply):

MISSION

We deliver energy products and services vital to an advancing world.

VISION

To create exceptional value for our stakeholders by providing solutions for a transforming energy future.

CORE VALUES

At ONEOK (NYSE: OKE), we deliver energy products and services vital to an advancing world. We are a leading midstream service provider ofgathering,

processing, fractionation, transportation, storage and marine export services. As one of the largest diversified energy infrastructure companies in North

America, we are delivering energy that makes a difference in the lives of people in the U.S. and around the world. Through our now approximately 60,000-

mile pipeline network, we transport the natural gas, natural gas liquids, refined products and crude oil that help meet domestic and international energy

demand, contribute to energy security and provide safe, reliable and responsible energy solutions needed today and into the future.

ONEOK is an S&P 500 company headquartered in Tulsa, Oklahoma.

For information about ONEOK, visit the website: www.oneok.com.

For the latest news about ONEOK, find us on LinkedIn, Facebook, X and Instagram.

DEAR SHAREHOLDER

At ONEOK, our commitment to responsible operations, meaningful engagements with our

stakeholders and a willingness to adapt have remained paramount throughout our long history.

We continue to embrace our philosophy of continuous improvement by working to enhance our

operations and disclosures in these areas.

You are cordially invited to attend the annual meeting of shareholders of ONEOK, Inc., which will be held at

9:00 a.m. Central Daylight Time on Wednesday, May 21,2025. This year’s meeting will be held as a virtual

meeting only and will be conducted via live webcast. You will not be able to attend the annual meeting

in person.

By continuing to hold our annual meeting virtually, our shareholders will be able to join us from any location

around the world, enabling increased shareholder attendance and participation, providing a cost savings to

both us and our shareholders while contributing to our sustainability efforts by reducing the environmental

footprint of our annual meeting.

Information on how to virtually attend and participate in the annual meeting online via the live webcast

platform is provided under “About the 2025 Annual Meeting” in the accompanying proxy statement.

ANNUAL MEETING

The matters to be considered and voted on at the meeting are set forth in the accompanying notice of the

annual meeting and are described in the accompanying proxy statement. A copy of our 2024 annual report

to shareholders is also enclosed. A report on our 2024 performance will be presented at the meeting.

VOTING

We look forward to welcoming as many of our shareholders as possible to the live webcast of our annual

meeting. We know, however, that most of our shareholders will be unable to attend. Therefore, proxies are

being solicited so that each shareholder has an opportunity to vote by proxy. You can authorize a proxy

over the internet or by telephone. Instructions for using these convenient services are included in the proxy

statement and on the proxy card. Of course, if you prefer, you may vote by mail by signing, dating and

returning the enclosed proxy card in the enclosed postage-paid envelope.

If your shares are held through a broker or similar person, unless you provide them with voting

instructions, your shares will not be voted in the election of directors or in certain other important

proposals as described in the accompanying proxy statement. Consequently, please provide your

voting instructions to your broker or similar person in a timely manner to ensure that your shares

will be voted.

Regardless of the number of shares you own, your vote is important. I urge you to submit your proxy

or voting instructions as soon as possible so that you can be sure your shares will be voted.

Thank you for your investment in ONEOK and your continued support.

Very truly yours,

Julie H. EdwardsBoard Chair

This year, as always, we

gather to review our

company's performance,

discuss our strategic

direction, and reaffirm

our commitment to

delivering long-term

value for you, our valued

stakeholders.

Julie H. Edwards

Board Chair

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NOTICE OF 2025 ANNUAL MEETING OF SHAREHOLDERS

ITEMS OFBUSINESS

These matters are described more fully in the accompanying proxy statement.

YOUR VOTE IS IMPORTANT

The vote of every shareholder is important. The Board of Directors appreciates the cooperation of

shareholders in directing proxies to vote at the meeting. To make it easier for you to vote, internet and

telephone voting are available. The instructions in the accompanying proxy statement and attached to your

proxy card describe how to use these convenient voting methods. Of course, if you prefer, you may vote by

mail by completing your proxy card and returning it in the enclosed, postage-paid envelope. You may

revoke your proxy at any time by following the procedures set forth in the accompanying proxy statement.

Whether or not you expect to virtually attend the meeting, we urge you to vote your shares at your

earliest convenience. This will ensure the presence of a quorum at the meeting. Voting your shares

promptly, via the internet, by telephone, or by signing, dating and returning the enclosed proxy card

will save us the expense of additional solicitation.

By order of the Board of Directors,

Patrick W. Cipolla

Secretary

Tulsa, Oklahoma

TIME AND DATEMay 21, 20259:00 a.m. Central Daylight Time

VIRTUAL MEETINGRegister online at www.proxydocs.com/oke

RECORD DATEMarch 24, 2025Only shareholders of record at the close of business on the record date are entitled to receive notice of, and to vote at, the annual meeting.

Important Notice Regarding Internet Availability of Proxy Materials for the Shareholder Meeting to be held on May 21, 2025. This notice of annual meeting, proxy statement, form of proxy, and our 2024 annual report to shareholders are being distributed and made available on or about April 2, 2025. This proxy statement and our 2024 annual report to shareholders are also available on our website at www.oneok.com.Additionally, you may access this proxy statement and our 2024 annual report at www.proxydocs.com/oke.

This proxy statement describes important issues affecting our company and is furnished in connection with the solicitation of proxies by our Board of

Directors for use at our 2025 annual meeting of shareholders to be held at the time and place set forth in the accompanying notice. The approximate

date of the mailing of this proxy statement and accompanying proxy card is April 2, 2025.

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