ONEOK Increases Quarterly Dividend 6% to $0.38 per Share

The board of directors of ONEOK

today increased the quarterly dividend 2 cents per share, or 6 percent, to 38 cents per share from 36 cents per share, effective for the second quarter 2013, payable Aug. 15, 2013, to shareholders of record at the close of business Aug. 5, 2013. "We remain committed to returning value to our shareholders in the form of higher dividends," said John W. Gibson, chairman and chief executive officer of ONEOK. "Increased distributions from our ONEOK Partners segment continue to benefit ONEOK and enabled us to fulfill our commitment of increasing the dividend." Since January 2006, the company has increased the dividend 16 times, representing a 171 percent increase during that period. ONEOK, Inc. (pronounced ONE-OAK)

is a diversified energy company. We are the general partner and own 43.3 percent of ONEOK Partners, L.P.

as of March 31, 2013, 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 two million customers in Oklahoma, Kansas and Texas. ONEOK is a FORTUNE 500 company and is included in Standard & Poor's (S&P) 500 Stock Index. For information about ONEOK, Inc., visit the website: www.oneok.com. For the latest news about ONEOK, follow us on Twitter @ONEOKNews. Some of the statements contained and incorporated in this news release are forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. The forward-looking statements relate to our anticipated financial performance (including projected levels of quarterly and annual dividends), liquidity, management's plans and objectives for our growth projects and other future operations (including plans to construct additional natural gas and natural gas liquids pipelines and processing facilities), our business prospects, the outcome of regulatory and legal proceedings, market conditions and other matters. We make these forward-looking statements in reliance on the safe harbor protections provided under the Private Securities Litigation Reform Act of 1995. Forward-looking statements include the items identified in the preceding paragraph, the information concerning possible or assumed future results of our operations and other statements contained or incorporated in this news release identified by words such as "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," "should," "goal," "forecast," "guidance," "could," "may," "potential," "scheduled," and other words and terms of similar meaning. You should not place undue reliance on forward-looking statements. Known and unknown risks, uncertainties and other factors may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by forward-looking statements. Those factors may affect our operations, markets, products, services and prices. These and other risks are described in greater detail in Item 1A, Risk Factors, in our Annual Report on Form 10-K. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by these factors. Other than as required under securities laws, we undertake no obligation to update publicly any forward-looking statement whether as a result of new information, subsequent events or change in circumstances, expectations or otherwise.