ONEOK Partners Reports Strong Fourth-quarter and Full-year 2007 Results

February 25, 2008

TULSA, Okla., Feb 25, 2008 /PRNewswire-FirstCall via COMTEX News Network/ -- ONEOK Partners, L.P. (NYSE: OKS) today reported that its fourth-quarter 2007 net income increased 51 percent to $121.5 million, or $1.27 per unit, compared with net income of $80.3 million, or 82 cents per unit, for the fourth quarter 2006.

For the full year 2007, ONEOK Partners reported net income of $407.7 million, or $4.21 per unit, compared with $445.2 million, or $5.01 per unit, for the full year 2006. Full-year 2006 results included a $113.9 million, or $1.51 per unit, gain from the sale of a 20 percent interest in Northern Border Pipeline Company. Excluding this one-time gain, the partnership's 2007 net income increased $76.4 million, or 23 percent, primarily due to natural gas liquids (NGL) supply growth and higher NGL product price spreads in its natural gas liquids businesses.

"We had an outstanding year in 2007, continuing to grow our natural gas liquids businesses as we connected new NGL supplies in the Mid-Continent region," said John W. Gibson, chairman, president and chief executive officer of ONEOK Partners. "Our natural gas gathering and processing segment turned in solid results for the year, delivering higher earnings despite lower processed volumes due to contract terminations in late 2006.

"In the fourth quarter, our natural gas gathering and processing segment benefited from higher realized commodity prices, while our natural gas liquids pipeline segment benefited from owning the North System, a 1,600-plus-mile interstate NGL and refined petroleum products pipeline system that we acquired in the fall of 2007.

"In 2008, we will continue to see the benefits of our $1.6 billion investment in internal growth projects, as Overland Pass Pipeline and related infrastructure upgrades and expansions begin operation, allowing us to generate additional earnings and cash flow growth for our unitholders," Gibson added.

Cash flow, as measured by earnings before interest, taxes, depreciation and amortization (EBITDA), was $186.5 million in the fourth quarter 2007, compared with $142.0 million in the fourth quarter 2006. For the full year 2007, EBITDA was $657.1 million, compared with $728.6 million for the full year 2006. EBITDA for 2006 includes the $113.9 million gain on the sale of a 20 percent interest in Northern Border Pipeline.

Distributable cash flow (DCF) in the fourth quarter 2007 was $120.0 million, or $1.25 per unit, compared with $89.0 million, or 92 cents per unit, in the fourth quarter 2006. DCF for the full year 2007 rose 26 percent to $466.0 million, or $4.92 per unit, compared with $368.4 million, or $4.48 per unit, for the full year 2006.

Operating income for the fourth quarter 2007 was $129.7 million, compared with $90.6 million for the fourth quarter 2006. The natural gas gathering and processing segment benefited from higher realized commodity prices and a one- time contract settlement in the fourth quarter 2007. Additionally, the recently acquired North System improved the performance of the natural gas liquids pipelines segment.

Excluding the gains on the sale of assets, operating income for the full year 2007 increased to $444.8 million, compared with $395.7 million in 2006. For the year, the natural gas liquids businesses benefited from new supply connections in the Mid-Continent region, which increased NGL volumes gathered, transported, fractionated and sold; higher NGL product price spreads; and the recently acquired North System. These increases were partially offset by reduced margins in the natural gas gathering and processing segment, which experienced lower volumes processed due to contract terminations in late 2006. Also, the natural gas pipelines segment had reduced transportation margins as a result of lower throughput and higher fuel costs.

In the fourth quarter 2007, the partnership's operating costs were $100.0 million, compared with $98.6 million in the same period last year. For the year, operating costs increased to $337.4 million, compared with $325.8 million in 2006. The increase for the year is primarily due to higher employee-related costs and incremental operating expenses associated with the recently acquired North System.

Full-year 2007 depreciation and amortization expense decreased to $113.7 million, compared with $122.0 million in 2006. A goodwill and asset impairment charge of $12.0 million related to the Black Mesa Pipeline was recorded in the second quarter of 2006.

Results for 2006 are reported as if the April 2006 transaction in which ONEOK Partners purchased assets from ONEOK had occurred on Jan. 1, 2006. Additionally, all prior periods presented have been revised to reflect the partnership's new segment reporting structure that took effect in the third quarter 2007.

    2007 SUMMARY INCLUDES:

     *    Excluding the one-time gains on the sale of assets, 2007 operating
          income increased 12 percent to $444.8 million, compared with $395.7
          million for the same period last year;
     *    Increasing the quarterly distribution to $1.025 per unit for the
          fourth quarter 2007, marking the eighth consecutive quarter to raise
          the distribution and resulting in a 28 percent increase since the
          beginning of 2006;
     *    Completing the $300 million acquisition of the North System, an
          interstate natural gas liquids and refined petroleum products
          pipeline system and related assets in October 2007;
     *    Increasing to $1.6 billion the amount of internal growth projects
          under way by announcing another $500 million of expansions,
          including the Piceance Lateral and Arbuckle Pipeline;
     *    Completing the first phase of an expansion project that will
          ultimately double the pipeline capacity of Fort Union Gas Gathering;
     *    Placing the Midwestern Gas Transmission eastern extension into
          service in January 2008;
     *    Receiving authorization by the Federal Energy Regulatory Commission
          (FERC) to construct the 119-mile Guardian Pipeline expansion and
          extension project;
     *    Beginning construction of the Overland Pass Pipeline, which is
          expected to begin operating during the second quarter of 2008, along
          with the related NGL infrastructure upgrades;
     *    Increasing capital expenditures to $709.9 million, compared with
          $201.7 million for the full year 2006, as a result of internally
          generated growth activities;
     *    Completing a public debt offering of $600 million of 30-year senior
          notes at 6.85 percent;
     *    Transferring operating responsibility of Northern Border Pipeline to
          an affiliate of TransCanada and completing the transition of ONEOK
          Partners' functions previously located in Omaha, Neb., to the Tulsa,
          Okla., headquarters;
     *    Restructuring the partnership's reporting segments and electing
          Pierce H. Norton II executive vice president -- natural gas and
          Terry K. Spencer executive vice president -- natural gas liquids;
          and
     *    Electing President and Chief Executive Officer John W. Gibson as
          chairman, and electing Senior Vice President and Chief Financial
          Officer Curtis L. Dinan to the board of directors of the general
          partner of the partnership, following the resignation of David Kyle
          as chairman and director, who retired as a full-time ONEOK employee
          on Jan. 1, 2008.


    2007 BUSINESS UNIT RESULTS

Natural Gas Gathering and Processing Segment

The natural gas gathering and processing segment reported strong fourth- quarter 2007 results, including EBITDA of $85.1 million, compared with $49.0 million in the fourth quarter 2006. Operating income increased to $66.5 million in the fourth quarter 2007, compared with $31.2 million in the fourth quarter 2006.

The increase in fourth-quarter 2007 operating income is primarily due to $19.8 million from higher realized commodity prices and $8.6 million from a one-time contract settlement that occurred during the fourth quarter of 2007. Operating costs for the fourth quarter 2007 were reduced by $11.1 million, compared with the same period last year, primarily due to one-time expenses incurred in 2006.

For the full year 2007, the natural gas gathering and processing segment contributed EBITDA of $259.2 million, compared with $249.1 million in 2006. Operating income for the full year 2007 increased to $187.8 million, compared with $180.6 million for the full year 2006.

2007 operating income benefited from $13.0 million in higher fee margins from improved contractual terms and increased volumes in the gathering business; $8.6 million from a one-time favorable contract settlement that occurred in the fourth quarter of 2007; and $5.5 million from higher realized commodity prices. These increases were offset by $25.8 million in lower volumes processed as a result of contract terminations at the Bushton plant in late 2006; and $5.6 million from lower volumes due to winter storms and summer flooding in the Mid-Continent region and reduced processing capacity due to a temporary shutdown at the Grasslands plant to install additional processing and fractionation capacity.

2007 operating costs for the segment decreased $12.1 million. The decrease in operating costs is primarily due to one-time expenses incurred in 2006 and reduced operating expenses associated with the temporarily idled Bushton plant, partially offset by higher employee-related costs.

Equity earnings from investments increased to $6.9 million in the fourth quarter 2007, compared with $6.2 million in the same period last year. Full-year 2007 equity earnings from investments were $26.4 million, compared with $22.6 million in 2006. The increase is due to improved results in the partnership's investment in Venice Energy Services Company, which operated on a limited basis in 2006 due to hurricane damage.

The following table contains margin information for the periods indicated. NGL shrink, plant fuel and condensate shrink refer to the Btus that are removed from natural gas through the gathering and processing operation.

                                      Three Months Ended       Years Ended
                                         December 31,          December 31,
                                       2007       2006       2007       2006
    Percent of proceeds
      Wellhead purchases (MMBtu/d)    73,706    115,416     83,993    121,199
      NGL sales (Bbl/d)                6,244      7,449      5,959      7,364
      Residue sales (MMBtu/d)         39,373     28,415     34,010     28,855
      Condensate sales (Bbl/d)           810      1,078        719      1,103
      Percentage of total net margin     58%        51%        56%        55%
    Fee-based
      Wellhead volumes (MMBtu/d)   1,176,929  1,181,626  1,170,502  1,168,478
      Average rate ($/MMBtu)           $0.24      $0.30      $0.25      $0.25
      Percentage of total net margin     23%        35%        30%        29%
    Keep whole
      NGL shrink (MMBtu/d)            23,563     37,007     23,636     37,029
      Plant fuel (MMBtu/d)             2,822      5,032      2,846      4,959
      Condensate shrink (MMBtu/d)      2,820      3,415      2,490      3,328
      Condensate sales (Bbl/d)           571        701        504        683
      Percentage of total net margin     19%        14%        14%        16%


The natural gas gathering and processing segment is exposed to commodity price risk, primarily NGLs, as a result of receiving commodities in exchange for its services. The following table sets forth the gathering and processing segment's hedging information for 2008.

                                             Year Ending December 31, 2008

                                         Volumes      Average Price    Volumes
                                         Hedged         Per Unit       Hedged

    Natural gas liquids (Bbl/d) (a)       8,085      $1.28 ($/gallon)    70%
    Condensate (Bbl/d) (a)                  818      $2.15 ($/gallon)    74%

    Total liquid sales (Bbl/d)            8,903      $1.36 ($/gallon)    71%

    (a)  Hedged with fixed-price swaps.


The partnership currently estimates that a 1 cent per gallon increase in the composite price of natural gas liquids would increase annual net margin by approximately $1.7 million. A $1.00 per barrel increase in the price of crude oil would increase annual net margin by approximately $0.5 million. Also, a 10 cent per MMBtu increase in the price of natural gas would increase annual net margin by approximately $0.3 million. All of these sensitivities exclude the effects of hedging and assume normal operating conditions.

Natural Gas Pipelines Segment

For the fourth quarter 2007, the natural gas pipelines segment contributed EBITDA of $52.1 million, compared with $53.9 million in the fourth quarter 2006.

Fourth-quarter 2007 operating income for the segment was $26.7 million, compared with $28.9 million for the same period in 2006. Margins for the quarter were unchanged, but operating costs increased $2.0 million in the fourth quarter 2007 primarily due to higher employee-related costs.

The natural gas pipelines segment contributed full-year 2007 EBITDA of $207.2 million, compared with $343.4 million in 2006. Operating income for the full year decreased to $112.2 million from $237.3 million in 2006. The 2006 results include a $113.9 million one-time gain on the sale of the 20 percent partnership interest in Northern Border Pipeline.

Full-year 2007 operating income was also affected by $7.1 million in reduced transportation margins as a result of lower throughput and higher fuel costs; $2.8 million in lower reimbursements associated with intrastate pipeline construction activity in Oklahoma; and $5.1 million of higher operating expenses primarily due to increased employee-related costs. These decreases were partially offset by $5.4 million of higher storage margins resulting from new and renegotiated contracts.

Equity earnings from investments increased to $17.2 million in the fourth quarter 2007, compared with $16.8 million in the same period last year. Full-year 2007 equity earnings from investments were $62.5 million, compared with $72.8 million in 2006, primarily as a result of a lower ownership interest in Northern Border Pipeline. In April 2006, the partnership completed the sale of a 20 percent interest in Northern Border Pipeline to TC PipeLines, reducing ONEOK Partners' ownership in the pipeline to 50 percent.

Natural Gas Liquids Gathering and Fractionation Segment

In the fourth quarter 2007, the natural gas liquids gathering and fractionation segment reported EBITDA of $29.0 million, compared with $28.9 million in the same period last year. Operating income in the fourth quarter 2007 was $23.6 million, compared with $24.1 million in 2006.

Fourth-quarter 2007 operating income benefited from $5.7 million in higher margins as a result of increased volumes gathered and fractionated. Operating costs in the fourth quarter 2007 increased $5.2 million primarily due to higher regulatory compliance costs at its storage facilities, higher employee-related costs and general taxes, and the acquisition of the Mont Belvieu storage assets during the fourth quarter 2006.

The natural gas liquids gathering and fractionation segment contributed EBITDA of $134.4 million for the full year 2007, compared with $109.8 million in 2006. Operating income increased to $112.0 million in 2007, compared with $88.8 million for the full year 2006.

The segment's full-year 2007 operating income increased $17.8 million primarily as a result of higher margins from increased volumes due to new supply connections in the Mid-Continent region and higher volumes at the partnership's Mont Belvieu fractionator; $13.5 million in higher optimization margins due to both increased product and isomerization price spreads; and $7.6 million in higher storage margins due to new contracts and the acquisition of the Mont Belvieu storage assets in the fourth quarter of 2006. These results were partially offset by increased operating costs of $13.2 million resulting from higher regulatory compliance costs at its storage facilities, higher employee-related costs and general taxes, and the acquisition of the Mont Belvieu storage assets during the fourth quarter 2006.

Natural Gas Liquids Pipelines Segment

The natural gas liquids pipelines segment reported EBITDA of $18.0 million in the fourth quarter 2007, compared with $11.4 million in the same period last year. Operating income was $13.1 million, compared with $8.2 million for the fourth quarter 2006.

Fourth-quarter 2007 operating income benefited primarily from incremental margin due to a full quarter of operations of the North System, a natural gas liquids and refined petroleum products pipeline system acquired in October 2007. Volumes also increased due to new NGL supply connections and higher volumes transported between the Mid-Continent and the Texas Gulf Coast. Operating costs for the segment increased $7.4 million in the fourth quarter 2007, primarily due to incremental expenses associated with operating the North System and higher employee-related costs.

The natural gas liquids pipelines segment contributed EBITDA of $53.4 million for the full year 2007, compared with $41.7 million in 2006. Operating income was $39.5 million, compared with $29.1 million in 2006.

The increase in full-year 2007 operating income was primarily due to incremental margin from the operations of the North System and higher throughput resulting from new NGL supply connections and increased volumes from existing connections. Operating costs increased $9.7 million for 2007, compared with 2006, due to incremental operating expenses associated with the North System, as well as higher employee-related costs.

GROWTH ACTIVITIES

In 2008, the partnership will continue developing approximately $1.6 billion of internally generated growth projects that are currently expected to be completed in 2008 and 2009.

The natural gas liquids projects, which account for more than $1.1 billion of the total, include a joint venture to build Overland Pass Pipeline, a $535 million, 760-mile natural gas liquids pipeline extending from Opal, Wyo., to Conway, Kan. Construction on the pipeline began in the fall of 2007, and it is currently expected to begin operating during the second quarter of 2008.

Other natural gas liquids projects include a $120 million, 150-mile lateral pipeline connecting the Piceance Basin with Overland Pass Pipeline; the $216 million expansion of existing NGL fractionation capabilities and the capacity of NGL distribution pipelines in the Mid-Continent region; and the $260 million, 440-mile Arbuckle Pipeline extending from southern Oklahoma through the Barnett Shale of North Texas and on to the partnership's fractionation and storage facilities at Mont Belvieu on the Texas Gulf Coast, which is currently expected to go into service in early 2009.

Earlier this month, the partnership announced a $25 million, 78-mile NGL pipeline extension in the Woodford Shale play in southeast Oklahoma, currently scheduled for completion in the second quarter of 2008, that will connect two natural gas processing plants that are expected to produce approximately 25,000 barrels per day of natural gas liquids.

Natural gas projects include the $260 million, 119-mile Guardian expansion and extension project. In December 2007, ONEOK Partners accepted the certificate of public convenience and necessity issued by the FERC, authorizing the construction of the project, which is currently targeted to be in service in the fourth quarter of 2008. In January 2008, the Midwestern Gas Transmission eastern extension was placed into service.

Additionally, the expansion of our Grasslands natural gas processing facility in the highly active Williston Basin will increase the plant's processing capacity by nearly 60 percent and its fractionation capacity by 50 percent. The expansion project is expected to become operational in phases, with the final phase currently expected to come on line in the third quarter of 2008.

CONFERENCE CALL AND WEBCAST

The management of ONEOK Partners and ONEOK will conduct a joint conference call on Tuesday, Feb. 26, 2008, at 11 a.m. Eastern Standard Time (10 a.m. Central Standard Time). The call will also be carried live on ONEOK Partners' and ONEOK's Web sites.

To participate in the telephone conference call, dial 866-244-4616, pass code 1186879, or log on to the webcast at http://www.oneokpartners.com or http://www.oneok.com.

For those unable to participate in the conference call or the webcast, the replay will be available on ONEOK Partners' Web site, http://www.oneokpartners.com , and ONEOK's Web site, http://www.oneok.com, for 30 days. A recording will be available by phone for seven days. The playback call may be accessed at 866-837-8032, pass code 1186879.

NON-GAAP FINANCIAL MEASURES

The partnership has disclosed in this news release EBITDA and DCF amounts that are non-GAAP financial measures. Management believes EBITDA and DCF provide useful information to investors as a measure of comparison with peer companies. However, these calculations may vary from company to company, so the partnership's computations may not be comparable with those of other companies. DCF is not necessarily the same as available cash as defined in the Partnership Agreement. Management further uses EBITDA to compare the financial performance of its segments and to internally manage those business segments. Reconciliations of EBITDA to net income and computations of DCF are included in the financial tables attached to this release.

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ONEOK Partners, L.P. (NYSE: OKS) is one of the largest publicly traded 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 much of the natural gas and NGL supply in the Mid-Continent with key market centers. Its general partner is a wholly owned subsidiary of ONEOK, Inc. (NYSE: OKE), a diversified energy company, which owns 45.7 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 about ONEOK Partners, L.P., visit: http://www.oneokpartners.com.

Some of the statements contained and incorporated in this news release are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The forward-looking statements relate to our anticipated financial performance, management's plans and objectives for our future operations, our business prospects, the 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. The following discussion is intended to identify important factors that could cause future outcomes to differ materially from those set forth in the forward-looking statements.

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" 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. In addition to any assumptions and other factors referred to specifically in connection with the forward-looking statements, factors that could cause our actual results to differ materially from those contemplated in any forward-looking statement include, among others, the following:

     *    the effects of weather and other natural phenomena on our
          operations, demand for our services and energy prices;
     *    competition from other United States and Canadian energy suppliers
          and transporters as well as alternative forms of energy;
     *    the capital intensive nature of our businesses;
     *    the profitability of assets or businesses acquired by us;
     *    risks of marketing, trading and hedging activities, including the
          risks of changes in energy prices or the financial condition of our
          counterparties;
     *    the uncertainty of estimates, including accruals and costs of
          environmental remediation;
     *    the timing and extent of changes in energy commodity prices;
     *    the effects of changes in governmental policies and regulatory
          actions, including changes with respect to income and other taxes,
          environmental compliance, authorized rates or recovery of gas costs
          and gas transportation costs;
     *    impact on drilling and production by factors beyond our control,
          including the demand for natural gas and refinery-grade crude oil;
          producers' desire and ability to obtain necessary permits; reserve
          performance; and capacity constraints on the pipelines that
          transport crude oil, natural gas and NGLs from producing areas and
          our facilities;
     *    changes in demand for the use of natural gas because of market
          conditions caused by concerns about global warming or changes in
          governmental policies and regulations due to climate change
          initiatives;
     *    the impact of unforeseen changes in interest rates, equity markets,
          inflation rates, economic recession and other external factors over
          which we have no control, including the effect on pension expense
          and funding resulting from changes in stock and bond market returns;
     *    actions by rating agencies concerning the credit ratings of us or
          our general partner;
     *    the results of administrative proceedings and litigation, regulatory
          actions and receipt of expected clearances involving the OCC, KCC,
          Texas regulatory authorities or any other local, state or federal
          regulatory body, including the FERC;
     *    our ability to access capital at competitive rates or on terms
          acceptable to us;
     *    risks associated with adequate supply to our gathering, processing,
          fractionation and pipeline facilities, including production declines
          which outpace new drilling;
     *    the risk that material weaknesses or significant deficiencies in our
          internal control over financial reporting could emerge or that minor
          problems could become significant;
     *    the impact and outcome of pending and future litigation;
     *    the ability to market pipeline capacity on favorable terms,
          including the affects of:
          -    future demand for and prices of natural gas and NGLs;
          -    competitive conditions in the overall energy market;
          -    availability of supplies of Canadian and United States natural
               gas;
          -    availability of additional storage capacity;
          -    weather conditions; and
          -    competitive developments by Canadian and U.S. natural gas
               transmission peers;
     *    performance of contractual obligations by our customers, service
          providers, contractors and shippers;
     *    the timely receipt of approval by applicable governmental entities
          for construction and operation of our pipeline and other projects
          and required regulatory clearances;
     *    our ability to acquire all necessary rights-of-way permits and
          consents in a timely manner, to promptly obtain all necessary
          materials and supplies required for construction, and to construct
          pipelines without labor or contractor problems;
     *    the mechanical integrity of facilities operated;
     *    demand for our services in the proximity of our facilities;
     *    our ability to control operating costs;
     *    acts of nature, sabotage, terrorism or other similar acts that cause
          damage to our facilities or our suppliers' or shippers' facilities;
     *    economic climate and growth in the geographic areas in which we do
          business;
     *    the risk of a significant slowdown in growth or decline in the U.S.
          economy or the risk of delay in growth recovery in the U.S. economy;
     *    the impact of recently issued and future accounting pronouncements
          and other changes in accounting policies;
     *    the possibility of future terrorist attacks or the possibility or
          occurrence of an outbreak of, or changes in, hostilities or changes
          in the political conditions in the Middle East and elsewhere;
     *    the risk of increased costs for insurance premiums, security or
          other items as a consequence of terrorist attacks;
     *    risks associated with pending or possible acquisitions and
          dispositions, including our ability to finance or integrate any such
          acquisitions and any regulatory delay or conditions imposed by
          regulatory bodies in connection with any such acquisitions and
          dispositions;
     *    the impact of unsold pipeline capacity being greater or less than
          expected;
     *    the ability to recover operating costs and amounts equivalent to
          income taxes, costs of property, plant and equipment and regulatory
          assets in our state and FERC-regulated rates;
     *    our ability to promptly obtain all necessary materials and supplies
          required for construction of gathering, processing, storage,
          fractionation and transportation facilities;
     *    the composition and quality of the natural gas and NGLs we gather
          and process in our plants and transport on our pipelines;
     *    the efficiency of our plants in processing natural gas and
          extracting and fractionating NGLs;
     *    the impact of potential impairment charges;
     *    the risk inherent in the use of information systems in our
          respective businesses, implementation of new software and hardware,
          and the impact on the timeliness of information for financial
          reporting;
     *    our ability to control construction costs and completion schedules
          of our pipelines and other projects; and
     *    the risk factors listed in the reports we have filed and may file
          with the SEC, which are incorporated by reference.


These factors are not necessarily all of the important factors that could cause actual results to differ materially from those expressed in any of our forward-looking statements. Other factors could also have material adverse effects on our future results. 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. OKS-FE

    Analyst Contact:  Christy Williamson
                      918-588-7163
    Media Contact:    Tom Droege
                      918-588-7561


    ONEOK Partners, L.P. and Subsidiaries
    CONSOLIDATED STATEMENTS OF INCOME

                                 Three Months Ended         Years Ended
                                    December 31,            December 31,
    (Unaudited)                    2007        2006        2007        2006
                              (Thousands of dollars, except per unit amounts)
    Revenues
    Operating revenue          $1,877,313  $1,176,235  $5,831,558  $4,738,248
    Cost of sales and fuel      1,618,244     959,326   4,935,665   3,894,700
    Net Margin                    259,069     216,909     895,893     843,548
    Operating Expenses
     Operations and maintenance    90,027      90,080     302,544     294,207
     Depreciation and
      amortization                 29,378      27,776     113,704     122,045
     General taxes                  9,946       8,548      34,812      31,567
    Total Operating Expenses      129,351     126,404     451,060     447,819
    Gain on Sale of Assets             15          81       1,950     115,483
    Operating Income              129,733      90,586     446,783     511,212
    Equity earnings from
     investments                   24,933      23,133      89,908      95,883
    Allowance for equity funds
     used during construction       5,852       1,694      12,538       2,205
    Other income                    2,632       1,871       7,502       6,510
    Other expense                     143       1,405         779       7,081
    Interest expense               39,634      33,591     138,947     133,482
    Income before Minority
     Interests and Income
     Taxes                        123,373      82,288     417,005     475,247
    Minority interests in
     income of consolidated
     subsidiaries                     114         120         416       2,392
    Income before income taxes    123,259      82,168     416,589     472,855
    Income taxes                    1,803       1,907       8,842      27,669
    Income from Continuing
     Operations                   121,456      80,261     407,747     445,186
    Discontinued operations,
     net of tax                         -           -           -           -
    Net Income                   $121,456     $80,261    $407,747    $445,186

    Limited partners' interest
     in net income:
    Net income                   $121,456     $80,261    $407,747    $445,186
    General partners' interest
     in net income                 16,578      12,173      58,781      75,654
     Limited Partners' Interest
      in Net Income              $104,878     $68,088    $348,966    $369,532

    Limited partners' per unit
     net income:
     Net income per unit            $1.27       $0.82       $4.21       $5.01
    Number of Units Used in
     Computation  (Thousands)      82,891      82,891      82,891      73,768


    Supplemental Information (1):
    EBITDA                       $186,533    $141,961    $657,118    $728,569
    Distributable cash flow      $119,996     $88,986    $466,014    $368,425
    Distributable cash flow
     per unit                       $1.25       $0.92       $4.92       $4.48

    (1) Reconciliations of non-GAAP financial measures are included in the
        financial tables attached to this release.



    ONEOK Partners, L.P. and Subsidiaries
    CONSOLIDATED BALANCE SHEETS

                                                December 31,      December 31,
    (Unaudited)                                     2007              2006
    Assets                                          (Thousands of dollars)

    Current Assets
     Cash and cash equivalents                      $3,213           $21,102
     Accounts receivable, net                      577,989           298,602
     Affiliate receivables                          52,479            88,572
     Gas and natural gas liquids in storage        251,219           198,141
     Commodity exchanges and imbalances             82,037            53,433
     Other                                          19,961            33,388
       Total Current Assets                        986,898           693,238

    Property, Plant and Equipment
     Property, plant and equipment               4,436,371         3,424,452
     Accumulated depreciation and amortization     776,185           660,804
       Net Property, Plant and Equipment         3,660,186         2,763,648

    Investments and Other Assets
     Investments in unconsolidated affiliates      756,260           748,879
     Goodwill and intangible assets                682,084           689,751
     Other                                          26,637            26,201
       Total Investments and Other Assets        1,464,981         1,464,831
       Total Assets                             $6,112,065        $4,921,717

    Liabilities and Partners' Equity

    Current Liabilities
     Current maturities of long-term debt          $11,930           $11,931
     Notes payable                                 100,000             6,000
     Accounts payable                              742,903           361,967
     Affiliate payables                             18,298            25,737
     Commodity exchanges and imbalances            252,095           175,927
     Other                                         136,664            89,471
       Total Current Liabilities                 1,261,890           671,033

    Long-term Debt, net of current maturities    2,605,396         2,019,598

    Deferred Credits and Other Liabilities          43,799            36,818

    Commitments and Contingencies

    Minority Interests in Consolidated
     Subsidiaries                                    5,802             5,606

    Partners' Equity
     General partner                                58,415            54,373
     Common units: 46,397,214 units issued and
      outstanding at December 31, 2007 and 2006    814,266           803,599
     Class B units: 36,494,126 units issued and
      outstanding at December 31, 2007 and 2006  1,340,638         1,332,276
     Accumulated other comprehensive loss          (18,141)           (1,586)
     Total Partners' Equity                      2,195,178         2,188,662
       Total Liabilities and Partners' Equity   $6,112,065        $4,921,717



    ONEOK Partners, L.P. and Subsidiaries
    CONSOLIDATED STATEMENTS OF CASH FLOWS

                                                    Years Ended December 31,
    (Unaudited)                                     2007               2006
                                                     (Thousands of dollars)
    Operating Activities
    Net income                                    $407,747          $445,186
    Depreciation and amortization                  113,704           122,045
    Allowance for equity funds used
     during construction                           (12,538)           (2,205)
    Minority interests in income of
     consolidated subsidiaries                         416             2,392
    Equity earnings from investments               (89,908)          (95,883)
    Distributions received from
     unconsolidated affiliates                     103,785           123,427
    Gain on sale of assets                          (1,950)         (115,483)
    Changes in assets and liabilities (net of
     acquisition and disposition effects):
     Accounts receivable                          (232,870)           42,148
     Inventories                                   (50,042)           19,093
     Accounts payable and other current
      liabilities                                  361,013             7,697
     Commodity exchanges and imbalances, net        41,997            20,129
     Accrued taxes other than income                 3,099            (6,358)
     Accrued interest                                9,069            23,445
     Derivative financial instruments                3,028            (5,220)
     Other assets and liabilities                   44,984            22,805
     Cash Provided by Operating Activities         701,534           603,218

    Investing Activities
    Investments in unconsolidated affiliates        (3,668)           (6,608)
    Acquisitions                                  (299,560)       (1,396,893)
    Proceeds from sale of assets                     3,980           297,674
    Capital expenditures (less allowance for
     equity funds used during construction)       (709,858)         (201,746)
    Increase in cash and cash equivalents
     attributable to previously unconsolidated
     subsidiaries                                        -             7,496
    Decrease in cash and cash equivalents
     attributable to previously consolidated
     subsidiaries                                        -           (22,039)
     Cash Used in Investing Activities          (1,009,106)       (1,322,116)

    Financing Activities
    Cash distributions:
     General and limited partners                 (384,646)         (265,479)
     Minority interests                               (220)             (343)
    Cash flow retained by ONEOK                          -          (177,486)
    Borrowing (repayment) of notes payable, net     94,000          (200,500)
    Issuance of long-term debt, net of discounts   598,146         1,397,327
    Long-term debt financing costs                  (5,805)          (12,003)
    Payment of long-term debt                      (11,931)          (40,978)
    Other financing activities                         139            (3,628)
     Cash Provided by Financing Activities         289,683           696,910
       Change in Cash and Cash Equivalents         (17,889)          (21,988)
       Cash and Cash Equivalents at
        Beginning of Period                         21,102            43,090
       Cash and Cash Equivalents at End of Period   $3,213           $21,102
    Supplemental Cash Flow Information:
     Cash Paid for Interest                       $138,606           $86,290



    ONEOK Partners, L.P. and Subsidiaries
    INFORMATION AT A GLANCE

                                         Three Months Ended   Years Ended
                                            December 31,      December 31,
    (Unaudited)                             2007     2006     2007     2006
                                                 (Millions of dollars)
    Natural Gas Gathering and Processing
    Net margin                             $117.1    $92.8   $366.5   $370.8
    Operating costs                         $39.0    $50.1   $135.4   $147.5
    Depreciation and amortization           $11.6    $11.4    $45.1    $43.0
    Operating income                        $66.5    $31.2   $187.8   $180.6
    Equity earnings from investments         $6.9     $6.2    $26.4    $22.6
    Total gas gathered (BBtu/d)             1,177    1,182    1,171    1,168
    Total gas processed (BBtu/d)              641    1,010      621      988
    Natural gas liquids sales (MBbl/d)         39       43       38       42
    Natural gas sales (BBtu/d)                287      288      281      302
    Realized composite NGL sales price
     ($/gallon)                             $1.31    $0.87    $1.06    $0.93
    Realized condensate sales price
     ($/Bbl)                               $85.16   $60.79   $67.35   $57.84
    Realized natural gas sales price
     ($/MMBtu)                              $6.24    $5.83    $6.21    $6.31
    Realized gross processing spread
     ($/MMBtu)                              $7.14    $4.51    $5.21    $5.05
    Capital expenditures - growth            $4.3    $33.7    $64.8    $59.4
    Capital expenditures - maintenance       $7.3    $11.0    $19.0    $21.6

    Natural Gas Pipelines
    Net margin                              $61.4    $61.6   $241.1   $246.8
    Operating costs                         $26.6    $24.6    $96.6    $91.5
    Depreciation and amortization            $8.1     $8.2    $32.4    $32.8
    Operating income                        $26.7    $28.9   $112.2   $237.3
    Equity earnings from investments        $17.2    $16.8    $62.5    $72.8
    Natural gas transported (MMcf/d)        3,639    3,664    3,579    3,634
    Average natural gas price
     Mid-Continent region ($/MMBtu)         $5.97    $5.60    $6.05    $6.04
    Capital expenditures - growth           $42.3    $10.2   $123.6    $28.5
    Capital expenditures - maintenance       $6.0     $7.8    $15.3    $20.1

    Natural Gas Liquids Gathering and
     Fractionation
    Net margin                              $50.5    $44.8   $205.8   $167.0
    Operating costs                         $21.3    $16.1    $70.7    $57.5
    Depreciation and amortization            $5.6     $4.6    $23.1    $20.7
    Operating income                        $23.6    $24.1   $112.0    $88.8
    Natural gas liquids gathered (MBbl/d)     246      211      228      206
    Natural gas liquids sales (MBbl/d)        259      222      231      207
    Natural gas liquids fractionated
     (MBbl/d)                                 385      314      356      313
    Conway-to-Mont Belvieu OPIS average
     spread Ethane/Propane mixture
     ($/gallon)                             $0.07    $0.09    $0.06    $0.05
    Capital expenditures - growth           $67.6     $4.8   $102.4     $7.0
    Capital expenditures - maintenance      $12.7     $2.5    $21.2    $14.7

    Natural Gas Liquids Pipelines
    Net margin                              $29.5    $16.1    $81.5    $60.4
    Operating costs                         $12.4     $5.0    $29.0    $19.3
    Depreciation and amortization            $4.1     $3.0    $13.1    $12.0
    Operating income                        $13.1     $8.2    $39.5    $29.1
    Equity earnings from investments         $0.8     $0.2     $1.0     $0.4
    Natural gas liquids transported (MBbl/d)  305      201      299      200
    Natural gas liquids gathered (MBbl/d)      92       66       81       60
    Capital expenditures - growth          $159.2    $12.0   $359.5    $39.8
    Capital expenditures - maintenance       $2.0     $4.8     $4.0     $9.5



    ONEOK Partners, L.P. and Subsidiaries
    RECONCILIATION OF EBITDA NON-GAAP FINANCIAL MEASURES

                                       Three Months Ended     Years Ended
                                          December 31,        December 31,
    (Unaudited)                          2007      2006      2007      2006
                                                (Thousands of Dollars)
    Reconciliation of Net Income to
     EBITDA
    Net income                         $121,456   $80,261  $407,747  $445,186
    Minority interests                      114       120       416     2,392
    Interest expense, net                39,634    33,591   138,947   133,482
    Depreciation and amortization        29,378    27,776   113,704   122,045
    Income taxes                          1,803     1,907     8,842    27,669
    Allowance for equity funds used
     during construction                 (5,852)   (1,694)  (12,538)   (2,205)
     EBITDA                            $186,533  $141,961  $657,118  $728,569

    Natural Gas Gathering and
     Processing Reconciliation of
     Operating Income to EBITDA
    Operating income                    $66,539   $31,207  $187,815  $180,615
    Depreciation and amortization        11,555    11,444    45,099    43,032
    Equity earnings from investments      6,881     6,176    26,399    22,616
    Other income (expense)                   96       177       (67)    2,873
     EBITDA                             $85,071   $49,004  $259,246  $249,136

    Natural Gas Pipelines Reconciliation
     of Operating Income to EBITDA
    Operating income                    $26,652   $28,853  $112,212  $237,330
    Depreciation and amortization         8,134     8,154    32,380    32,841
    Equity earnings from investments     17,212    16,773    62,487    72,835
    Other income (expense)                   87       163       117       378
     EBITDA                             $52,085   $53,943  $207,196  $343,384

    Natural Gas Liquids Gathering and
     Fractionation Reconciliation of
     Operating Income to EBITDA
    Operating income                    $23,562   $24,123  $111,976   $88,779
    Depreciation and amortization         5,609     4,604    23,134    20,738
    Equity earnings from investments          -         -         -         -
    Other income (expense)                 (146)      141      (717)      236
     EBITDA                             $29,025   $28,868  $134,393  $109,753

    Natural Gas Liquids Pipelines
     Reconciliation of Operating
     Income to EBITDA
    Operating income                    $13,066    $8,155   $39,460   $29,086
    Depreciation and amortization         4,072     2,988    13,062    12,035
    Equity earnings from investments        840       184     1,022       432
    Other income (expense)                   20        58      (133)      139
     EBITDA                             $17,998   $11,385   $53,411   $41,692



    ONEOK Partners, L.P. and Subsidiaries
    RECONCILIATION OF DISTRIBUTABLE CASH FLOW NON-GAAP FINANCIAL MEASURES

                                       Three Months Ended     Years Ended
                                          December 31,        December 31,
    (Unaudited)                          2007      2006      2007      2006
                               (Thousands of dollars, except per unit amounts)
    Reconciliation of EBITDA to
     Distributable Cash Flow
    EBITDA                             $186,533  $141,961  $657,118  $728,569
    Gain on sale of assets                  (15)      (81)   (1,950) (115,483)
    Interest expense, net               (39,634)  (33,591) (138,947) (133,482)
    Maintenance capital                 (28,146)  (26,246)  (59,589)  (67,005)
    Distributions to minority interests     (73)      -        (220)     (343)
    Equity earnings from investments    (24,933)  (23,133)  (89,908)  (95,883)
    Distributions received from
     unconsolidated affiliates           26,641    30,218   103,785   123,427
    Distributable cash flow to ONEOK
     for partial year ownership             -         -         -     (85,817)
    Current income tax expense and
     other                                 (377)     (142)   (4,275)   14,442
     Distributable Cash Flow           $119,996   $88,986  $466,014  $368,425


    Distributions to General Partner    (16,172)  (12,442)  (58,469)  (38,034)
    Distributable Cash Flow to Limited
     Partners                          $103,824   $76,544  $407,545  $330,391

    Distributable Cash Flow per
     Limited Partner Unit                 $1.25     $0.92     $4.92     $4.48

    Number of Units Used in
     Computation  (Thousands)            82,891    82,891    82,891    73,768

SOURCE ONEOK Partners, L.P.

http://www.oneok.com

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