SECURITIES AND EXCHANGE COMMISSION

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

(Date of report)

March 16, 2006

(Date of earliest event reported)

March 15, 2006

ONEOK, Inc.

(Exact name of registrant as specified in its charter)

Oklahoma

001-13643

73-1520922

(State or other jurisdiction

(Commission

(IRS Employer

of incorporation)

File Number)

Identification No.)

100 West Fifth Street; Tulsa, OK

(Address of principal executive offices)

74103

(Zip code)

(918) 588-7000

(Registrant's telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

[] Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[] Soliciting material pursuant to Rule 14a-12 under the Securities Act (17 CFR 240.14a-12)

[] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Item 8.01

Voluntary Disclosure of Other Events

On March 15, 2006, we announced we will present at Howard Weil Inc.'s 34th Annual Energy Conference in New Orleans, Louisiana on March 21, 2006, beginning at approximately 2:10 p.m. Central Standard Time.

The presentation will be conducted by David Kyle, chairman, president and chief executive officer of ONEOK, Inc. The slide presentation will be accessible on March 21, 2006, at www.oneok.com.

Item 9.01

Financial Statements and Exhibits

Exhibits

99.1 Press release issued by ONEOK, Inc. dated March 15, 2006.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

ONEOK, Inc.

Date:

March 16, 2006

By:

/s/ Jim Kneale

Jim Kneale
Executive Vice President --
Finance and Administration
and Chief Financial Officer
(Principal Financial Officer)

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