Top Company Profiles - ONEOK to Present at Lehman CEO Conference - Oneok, Inc.

TULSA, Okla., Aug 26, 2008 /PRNewswire-FirstCall via COMTEX News Network/ -- ONEOK, Inc. (NYSE: OKE)
will present at the Lehman Brothers 2008 CEO Energy/Power Conference on
Wednesday, Sept. 3, 2008, in New York, at 11:05 a.m. Eastern Daylight Time
(10:05 a.m. Central Daylight Time).

John W. Gibson, chief executive officer of ONEOK, will present.

The conference will be webcast and will be accessible on ONEOK's Web site
at http://www.oneok.com. A replay of the webcast will be archived for 30 days
after the conference.

ONEOK, Inc. (NYSE: OKE) is a diversified energy company. We are the
general partner and own 47.7 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.

    For more information, visit the Web site at http://www.oneok.com.

     Analyst Contact: Dan Harrison
                      918-588-7950
     Media Contact:   Megan Washbourne
                      918-588-7572

OKE-FV

SOURCE ONEOK, Inc.

http://www.oneok.com