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OKE · Additional Proxy Materials (DEFA14A) · Filed May 6, 2026

Oneok Inc — Additional Proxy Materials (DEFA14A)

Form
DEFA14A
Filed
May 6, 2026
Ticker
OKE
Accession
0001039684-26-000020
Boardroom Alpha · Filing insights

ONEOK board urges voting FOR all director nominees and Proposals 2–3 for the May 20, 2026 meeting.

About Oneok Inc
Market cap
$54.6B
1Y TSR
+15.6%
3Y TSR
+20.5%
Board grade
B-
Sector
Energy
CEO
Pierce Norton
Last annual meeting: May 20, 2026 · View full Oneok Inc profile →
Document

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
Filed by the Registrant
 
Filed by a Party other than the Registrant
 
Check the appropriate box:
 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
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):
 No fee required
 Fee paid previously with preliminary materials
 Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11



image_1a.jpg

May 6, 2026

Dear Fellow Shareholder:

We have previously either mailed or provided notice of access to your proxy materials for the ONEOK, Inc. Annual Meeting of Shareholders to be held virtually on May 20, 2026, at 9:00 a.m. (CDT).

According to our latest records, we have not yet received your vote. The virtual Annual Meeting is now only a short time away, and your vote is important.

In the event that your proxy materials have been misplaced, we are enclosing for your use a duplicate proxy card and return envelope.

Please vote your shares via the internet or by telephone following the instructions on the enclosed proxy card, or complete, sign, date and mail your proxy card today in order to make sure that your shares will be voted at the meeting in accordance with your desires.

Your board of directors recommends that you vote:
FOR all nominees for director in proposal 1
FOR proposals 2 and 3

Please follow the telephone or internet voting instructions on your proxy card, or complete, sign, date and mail the enclosed proxy card and vote your shares today. In the event that two proxy cards are received from you, the one bearing the latest date will be counted, as it automatically revokes all prior votes.

Thank you for voting and for your continued support.

Sincerely,

image_2a.jpg

Julie H. Edwards
Board Chair








ONEOK, Inc.
100 West Fifth Street
Tulsa, OK 74103
www.oneok.com


image_1a.jpg
May 6, 2026

Dear Fellow Shareholder:

We have previously either mailed or provided notice of access to your proxy materials for the ONEOK, Inc. Annual Meeting of Shareholders to be held virtually on May 20, 2026, at 9:00 a.m. (CDT).

According to our latest records, we have not yet received your vote. The virtual Annual Meeting is now only a short time away, and your vote is important.

In the event that your proxy materials have been misplaced, we are enclosing for your use a duplicate Voting Instruction Form and return envelope.

Please vote your shares via the internet or by telephone following the instructions on the enclosed Voting Instruction Form, or complete, sign, date and mail your Voting Instruction Form today in order to make sure that your shares will be voted at the meeting in accordance with your desires.

If you hold your shares in the name of a brokerage firm, your broker cannot vote your shares on several of the proposals unless your broker receives your specific instructions.

Your board of directors recommends that you vote:
FOR all nominees for director in proposal 1
FOR proposals 2 and 3

Please follow the telephone or internet voting instructions on your Voting Instruction Form, or complete, sign, date and mail the enclosed Voting Instruction Form and vote your shares today. In the event that two Voting Instruction Forms are received from you, the one bearing the latest date will be counted, as it automatically revokes all prior votes.

Thank you for voting and for your continued support.

Sincerely,

image_2a.jpg

Julie H. Edwards
Board Chair



ONEOK, Inc.
100 West Fifth Street
Tulsa, OK 74103
www.oneok.com
From this filing to the vote

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More filings

Other filings from Oneok Inc (OKE)

Reference

Frequently asked questions

When did Oneok Inc file this DEFA14A?
Oneok Inc (OKE) filed this Additional Proxy Materials (DEFA14A) with the SEC on May 6, 2026. The accession number assigned by EDGAR is 0001039684-26-000020.
What does a DEFA14A disclose?
DEFA14A is additional definitive proxy soliciting material filed in connection with a shareholder meeting — supplemental letters, slides, or amendments issued after the main proxy statement.
What is the key takeaway from this filing?
ONEOK board urges voting FOR all director nominees and Proposals 2–3 for the May 20, 2026 meeting. This is Boardroom Alpha's one-line summary of the additional proxy materials; see the full filing text above for the formal disclosure.
Where can I find Oneok Inc's prior proxy statements on EDGAR?
The SEC EDGAR browser lists every DEFA14A Oneok Inc has filed under CIK 1039684, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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