ONEOK Named to Forbes Platinum 400 as One of Americas Best Big Companies

ONEOK, Inc. announced that it has been named to the Forbes Platinum 400, an annual listing of “America’s Best Big Companies.” This is ONEOK’s fifth year on the list.

ONEOK ranked 134 out of 400 on the overall list. According to the publication, ONEOK posted a 45 percent average sales growth, followed by a 35 percent average earnings-per-share increase, each measured over five years. Forbes stated that ONEOK’s one-year results were 28.5 percent sales growth, and 15 percent earnings-per-share increase.

“We continue to focus on growing the company and creating value for our shareholders,” said John W. Gibson, chief executive officer of ONEOK. “Recognition of our accomplishments as one of the country’s leading companies is certainly rewarding, especially for our employees who play a key role in our continuing success.”

The magazine annually selects the best of the biggest publicly traded companies in America, across 26 industry groups, for its Platinum 400 list. Forbes officials compiled the list by analyzing one- and five-year stock market returns, company sales, earnings-per-share growth and debt-to-capital ratios. The list also takes into account the Thomson IBES consensus forecasts, along with accounting and governance scores provided by Audit Integrity of New York and Los Angeles. The magazine’s editors reviewed 1,000 companies with revenues at or above $1 billion.

ONEOK, Inc. is a diversified energy company. We are the general partner and own 45.7 percent of ONEOK Partners, L.P. (NYSE: OKS – News), 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 .

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

918-588-7572

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Source: ONEOK, Inc.