(OKE)

Role: Officer
Signature: /s/ Patrick W. Cipolla, Attorney-in-Fact for Walter S. Hulse III
Issuer symbol: OKE
Transactions as of: 23 Sep 2025
Net transactions value: $0
Form type: 4
Filing time: 25 Sep 2025, 16:16:29 UTC
Previous filing: 17 Jun 2025
Next filing: 20 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
HULSE WALTER S III	Officer	100 WEST FIFTH STREET, TULSA	/s/ Patrick W. Cipolla, Attorney-in-Fact for Walter S. Hulse III	25 Sep 2025	0001634099

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	OKE	RSU 2025-S	Award		+34,435			34,435	23 Sep 2025	Common Stock, par value $0.01	34,435		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted units awarded under the Issuer's Equity Incentive Plan. Twenty percent of the award will vest on 9/23/2026, thirty percent of the award will vest on 9/23/2027, and fifty percent of the award will vest on 9/23/2028. During the vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable with one share of the Issuer's common stock for each vested restricted unit, including additional restricted units resulting from dividend equivalents.

Content

Restricted units awarded under the Issuer's Equity Incentive Plan. Twenty percent of the award will vest on 9/23/2026, thirty percent of the award will vest on 9/23/2027, and fifty percent of the award will vest on 9/23/2028. During the vesting period, the award will be credited with dividend equivalents that will be paid out in shares of common stock at the time the underlying units vest and are issued. The award and credited dividend equivalents will be payable with one share of the Issuer's common stock for each vested restricted unit, including additional restricted units resulting from dividend equivalents.

Remarks:

Chief Financial Officer, Treasurer and Executive Vice President, Investor Relations and Corporate Development