Exhibit 25.2

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM T-1

STATEMENT OF ELIGIBILITY UNDER

THE TRUST INDENTURE ACT OF 1939 OF A

CORPORATION DESIGNATED TO ACT AS TRUSTEE

☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2)

U.S. BANK NATIONAL ASSOCIATION

(Exact name of Trustee as specified in its charter)

31-0841368

I.R.S. Employer Identification No.

800 Nicollet Mall Minneapolis, Minnesota	55402
(Address of principal executive offices)	(Zip Code)

George Hogan

U.S. Bank National Association

Two Midtown Plaza

1349 West Peachtree Street N.W., Suite 1050

Atlanta, Georgia 30309

(404) 898-8832

(Name, address and telephone number of agent for service)

ONEOK, Inc.

(Exact name of obligor as specified in its charter)

Oklahoma	73-1520922
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

100 West Fifth Street Tulsa, Oklahoma	74103
(Address of Principal Executive Offices)	(Zip Code)

Subordinated Debt Securities

(Title of the Indenture Securities)

FORM T-1

Item 1. GENERAL INFORMATION.

Furnish the following information as to the Trustee.

a) Name and address of each examining or supervising authority to which it is subject.

Comptroller of the Currency

Washington, D.C.

b) Whether it is authorized to exercise corporate trust powers.

Yes

Item 2. AFFILIATIONS WITH OBLIGOR.

If the obligor is an affiliate of the Trustee, describe each such affiliation.

None

Items 3-14. Items 3-14 are not applicable because to the best of the Trustee’s knowledge, the obligor is not in default under any Indenture for which the Trustee acts as Trustee.

Item 15. Item 15 is not applicable because the Trustee is not a foreign trustee.

Item 16. LIST OF EXHIBITS.

List below all exhibits filed as a part of this statement of eligibility and qualification.

1. A copy of the Articles of Association of the Trustee.*

2. A copy of the certificate of authority of the Trustee to commence business, attached as Exhibit 2.

3. A copy of the certificate of authority of the Trustee to exercise corporate trust powers, attached as Exhibit 3.

4. A copy of the existing bylaws of the Trustee.**

5. A copy of each Indenture referred to in Item 4, if the obligor is in default. Not applicable.

6. The consent of the Trustee required by Section 321(b) of the Trust Indenture Act of 1939, attached as Exhibit 6.

7. Report of Condition of the Trustee as of March 31, 2020 published pursuant to law or the requirements of its supervising or examining authority, attached as Exhibit 7.

* Incorporated by reference to Exhibit 25.1 to Amendment No. 2 to registration statement on S-4, Registration Number 333-128217 filed on November 15, 2005.

** Incorporated by reference to Exhibit 25.1 to registration statement on S-3ASR, Registration Number 333-199863 filed on November 5, 2014.

SIGNATURE

Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the Trustee, U.S. BANK NATIONAL ASSOCIATION, a national banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility and qualification to be signed on its behalf by the undersigned, thereunto duly authorized, all in the City of Atlanta, Georgia on the 22nd day of June, 2020.

By:	/s/ GEORGE HOGAN
	George Hogan
	Vice President

Exhibit 2

Exhibit 3

Exhibit 6

CONSENT

In accordance with Section 321(b) of the Trust Indenture Act of 1939, U.S. BANK NATIONAL ASSOCIATION hereby consents that reports of examination of the undersigned by Federal, State, Territorial or District authorities may be furnished by such authorities to the Securities and Exchange Commission upon its request therefor.

Dated: June 22, 2020	U.S. BANK NATIONAL ASSOCIATION
	By:	/s/ GEORGE HOGAN
		George Hogan
		Vice President

Exhibit 7

U.S. Bank National Association

Statement of Financial Condition

As of 3/31/2020

($000’s)

	3/31/2020
Assets
Cash and Balances Due From Depositary Institutions	$	46,699,020
Securities		122,149,987
Federal Funds		2,807
Loans & Lease Financing Receivables		316,711,655
Fixed Assets		9,075,777
Intangible Assets		12,477,802
Other Assets		26,012,043
Total Assets	$	533,129,091
Liabilities
Deposits	$	405,823,094
Fed Funds		1,428,527
Treasury Demand Notes		0
Trading Liabilities		1,392,214
Other Borrowed Money		55,078,404
Acceptances		0
Subordinated Notes and Debentures		3,850,000
Other Liabilities		14,338,298
Total Liabilities	$	481,910,537
Equity
Common and Preferred Stock	$	18,200
Surplus		14,266,915
Undivided Profits		36,132,907
Minority Interest in Subsidiaries		800,532
Total Equity Capital	$	51,218,554
Total Liabilities and Equity Capital	$	533,129,091