TULSA, Okla., Jan. 5 /PRNewswire-FirstCall/ -- ONEOK Partners, L.P. (NYSE: OKS) recently was named the world's Fastest-Growing Energy Company by Platts, a leading global provider of energy and commodity information. The Top 50 Fastest-Growing Energy Companies list was compiled based on three-year compound growth rate for revenues.

ONEOK, Inc. (NYSE: OKE) and ONEOK Partners were also each named to the Platts Top 250 Global Energy Companies List for 2009, a global survey that measures financial performance by examining each company's assets, revenues, profits and return on invested capital.

"Our success and recognition are the result of the daily determination and commitment of our 4,700 dedicated employees," said John W. Gibson, president and chief executive officer of ONEOK and chairman, president and chief executive officer of ONEOK Partners. "Through their efforts, we create value for our customers and investors.

"The successful completion in 2009 of ONEOK Partners' more than $2 billion capital investment program will contribute to the continued future growth of the partnership, as well as that of ONEOK, the general partner and 45.1 percent owner of the partnership," Gibson concluded.

ONEOK improved its overall global performance ranking to 149 for 2009 from 180 a year ago, while ONEOK Partners improved its ranking to 129 this year from 190 last year. ONEOK ranked second in the Americas region and sixth worldwide among natural gas utilities, as well as 71 in overall performance in the Americas region.

ONEOK Partners ranked eighth in the Americas region and ninth globally among natural gas storage and transportation companies, as well as 61 in overall performance in the Americas region.

To be ranked by Platts, companies must have assets greater than $2 billion and must be publicly traded.

ONEOK, Inc. (NYSE: OKE) is a diversified energy company. We are the general partner and own 45.1 percent of ONEOK Partners, L.P. (NYSE: OKS), one of the largest publicly traded master 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 NGL supply in the Mid-Continent and Rocky Mountain regions 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 master 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 NGL supply in the Mid-Continent and Rocky Mountain regions with key market centers. Its general partner is a wholly owned subsidiary of ONEOK, Inc. (NYSE: OKE), a diversified energy company, which owns 45.1 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.

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    Analyst Contact:     Dan Harrison
                         918-588-7950
    Media Contact:       Brad Borror
                         918-588-7582

SOURCE ONEOK, Inc.; ONEOK Partners, L.P.