ONEOK Declares Quarterly Dividend

October 20, 2006

TULSA, Okla., Oct 20, 2006 /PRNewswire-FirstCall via COMTEX News Network/ -- The board of directors of ONEOK, Inc. (NYSE: OKE) has declared a quarterly dividend of 32 cents per share of common stock, payable Nov. 15, 2006, to shareholders of record at the close of business Oct. 31, 2006.

The dividend remains unchanged from the previous quarter.

In July 2006, the company raised its dividend to 32 cents per share from 30 cents a share. Since January 2003, the company has increased its dividend nine times, representing a 107 percent increase during that period.

ONEOK, Inc. is a diversified energy company. We are the general partner and own 45.7 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 information about ONEOK, Inc. visit the Web site: http://www.oneok.com .

Some of the statements contained and incorporated in this press release are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The forward-looking statements relate to: anticipated financial performance; management's plans and objectives for future operations; business prospects; outcome of regulatory and legal proceedings; market conditions and other matters. The Private Securities Litigation Reform Act of 1995 provides a safe harbor for forward-looking statements in certain circumstances.

Analyst Contact: Dan Harrison

                       918-588-7950
     Media Contact:    Megan Washbourne
                       918-588-7572
OKE-FD

SOURCE  ONEOK, Inc.
analysts, Dan Harrison, +1-918-588-7950, or media, Megan Washbourne, +1-918-588-7572,
both of ONEOK, Inc.
www.oneok.com