8-K

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)	April 10, 2008
(Date of earliest event reported)	April 9, 2008

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 7.01	Regulation FD Disclosure
	On April 9, 2008, we announced that ONEOK, Inc. and ONEOK Partners, L.P. will release first-quarter 2008 earnings after the market closes on Wednesday, April 30, 2008. A joint conference call will be held the following day on Thursday, May 1, 2008, at 11:00 a.m. Eastern Daylight Time (10:00 a.m. Central Daylight Time). The conference call number is 866-847-7864, pass code 1226646. The call will also be carried live at www.oneok.com and www.oneokpartners.com. A replay of the call will be available on both web sites for 30 days. A recording will be available by phone for seven days. The playback call may be accessed at 866-837-8032, pass code 1226646.
Item 9.01	Financial Statements and Exhibits
	Exhibits
	99.1 News release issued by ONEOK, Inc. and ONEOK Partners, L. P. dated April 9, 2008.

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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:	April 10, 2008	By:	/s/ Curtis L. Dinan
			Senior Vice President - Chief Financial Officer and Treasurer

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EX-99.1

	Exhibit 99.1
News
[ONEOK Logo]		[ONEOK Partners Logo]
April 9, 2008		Analyst Contact: Christy Williamson
		918-588-7163
		Media Contact: Megan Washbourne
		918-588-7572

ONEOK and ONEOK Partners

First-quarter 2008 Earnings

Conference Call and Webcast Scheduled

TULSA, Okla. -April 9, 2008 - ONEOK, Inc. (NYSE: OKE) and ONEOK Partners,

L.P. (NYSE: OKS) will release their first-quarter 2008 earnings after the market closes on

Wednesday, April 30, 2008.

A joint conference call will be held the following day on Thursday, May 1, 2008, at 11

a.m. Eastern Daylight Time (10 a.m. Central Daylight Time). The call also will be carried live

on ONEOK's and ONEOK Partners' Web sites.

ONEOK's and ONEOK Partners' senior management teams will participate in the call

and webcast.

What: ONEOK, Inc. and ONEOK Partners first-quarter 2008 earnings

conference call and webcast

When: 11 a.m. Eastern, May 1, 2008

10 a.m. Central

Where: 1) Phone conference call 866-847-7864, pass code 1226646

2) Log on to the webcast at www.oneok.com

3) Log on to the webcast at www.oneokpartners.com

If you are unable to participate in the conference call or the webcast, the replay will be

available on ONEOK's Web site, www.oneok.com, and ONEOK Partners' Web site,

www.oneokpartners.com, for 30 days. A recording will be available by phone for seven days.

The playback call may be accessed at 866-837-8032, pass code 1226646.

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ONEOK, Inc. (NYSE: OKE) is a diversified energy company. We are the general partner and own 47.8 percent of

ONEOK Partners, L.P. (NYSE: OKS), one of the largest publicly traded limited partnerships, which is a leader in the

gathering, processing, storage and transportation of natural gas in the U.S. and owns one of the nation's premier

natural gas liquids (NGL) systems, connecting much of the natural gas and NGL supply in the Mid-Continent with

key market centers. ONEOK is among the largest natural gas distributors in the United States, serving more than 2

million customers in Oklahoma, Kansas and Texas. Our energy services operation focuses primarily on marketing

natural gas and related services throughout the U.S. ONEOK is a Fortune 500 company.

ONEOK Partners, L.P. (NYSE: OKS) is one of the largest publicly traded limited partnerships, and is a leader in the

gathering, processing, storage and transportation of natural gas in the U.S. and owns one of the nation's premier

natural gas liquids (NGL) systems, connecting much of the natural gas and NGL supply in the Mid-Continent with

key market centers. Our general partner is a wholly owned subsidiary of ONEOK, Inc. (NYSE: OKE), a diversified

energy company, which owns 47.8 percent of the overall partnership interest. ONEOK is one of the largest natural

gas distributors in the United States, and its energy services operation focuses primarily on marketing natural gas

and related services throughout the U.S.

For more information, visit the Web sites at www.oneokpartners.com or www.oneok.com. OKE-FV OKS-FV

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