EnerCom s The Oil & Gas Conference. August 15, 2012

EnerCom s The Oil & Gas Conference August 15, 2012

Overview of Operations 16 Bakken Tulsa based company founded in 1963 with long history of operations in the Mid-Continent Integrated approach to business allows Unit to balance its capital deployment through the various stages of the energy cycle Proved Reserves: 116 MMBoe (1) Drilling Rigs: 128 (2) Miles of Midstream Pipeline: 934 (1) Casper Office 18 73 Anadarko Basin Oklahoma Permian Basin City Office 128 Unit Rigs E&P Plays Superior Pipeline Operations Houston Office Tulsa Headquarters 5 16 Arkoma Basin Gulf Coast Basin Marcellus North La/ East Texas Basin Location of Acquired Oil & Gas Properties and Two Gathering Systems Integrated Business Approach (1) As of 12/31/2011. (2) As of 8/3/2012.

Summary of Business Strengths Integrated Approach Enhances Stability and Flexibility Integrated approach to business allows Unit to balance its capital deployment through the various stages of the energy cycle Vertical integration offers key advantages and provides industry intelligence on industry dynamics / trends Leading drilling services provider with highly capable fleet Average 1,200 HP for 128 rig fleet 96% of contracted rigs drilling horizontal wells 71% increase in rig count since 2002 Quality upstream asset base with significant growth potential Large development drilling inventory with attractive economics in current price environment, with significant horizontal drilling upside potential 195% average production replacement since 2002 Midstream business generating incremental margin opportunities Focus in emerging plays of Granite Wash, Mississippian and Marcellus shale 263% increase in per day natural gas processed volumes since 2004 661% increase in per day liquids sold volumes since 2004

Core Upstream Producing Areas Bakken Marmaton Granite Wash Wilcox Beginning in late 2008, implemented strategy of increasing focus on liquids-rich and oil prospects Forecast to end 2012 with 42% liquids production Key focus areas include: Granite Wash (Texas Panhandle) Marmaton (Oklahoma Panhandle oil play) Wilcox (Gulf Coast) 2011 reserves of 116 MMBoe were 64% natural gas and 81% proved developed Reserve life of approximately 10 years 2011 Proved Reserves Q2 2012 Daily Production NGL 19% NGL 20% Oil 17% Gas 64% Oil 24% Gas 56% Proved Reserves: 116 MMBoe Daily Production: 36.7 MBoe/d

Strategic Acquisition Unit Corporation is acquiring certain oil and natural gas properties and related gathering and processing infrastructure primarily located in Western Oklahoma and the Texas Panhandle from Noble Energy ( Acquisition ) Immediately accretive to cash flow per share, and accretive to earnings per share beginning in 2013 Transaction value: $617.1 million Adds ~44 MMboe of proved reserves, 10.0 Mboe/d (1) of liquids-rich production, 84,000 net acres and 617 gross potential horizontal drilling locations Two gathering systems Hemphill County, TX and Ellis County, OK Consideration: All cash transaction expected to be financed with the new notes and a drawing under the revolving credit facility. In conjunction with the Acquisition, Unit has requested an increase in commitments under its credit facility up to $750 million Company is considering divesting $200 - $300 million of certain upstream assets Timing: Effective April 1, 2012 Expected closing by mid-september 2012 (1) April 2012 average daily production.

Transaction Rationale Quality, liquids rich oil and gas property set with significant upside 44 MMboe of proved reserves (80% PD) (1) 10.0 Mboe/d April 2012 daily production (36% Oil/NGLs) Strategic fit with Unit s existing E&P assets significantly expanding the geographic footprint of our core Granite Wash play Increases Granite Wash position 119% to 46,000 net acres in the Texas Panhandle Core Area Provides 617 gross potential horizontal drilling locations 97% in Granite Wash Positions the Company for future growth Plan to add seven additional rigs from our Contract Drilling business by early 2014 to accelerate the development of the acquired properties Consistent with overall corporate strategy Acquisition provides growth drivers for all three of Unit s business units (E&P, Contract Drilling, Superior Pipeline) Unit s integrated business approach will allow it to accelerate the development of a largely undeveloped portfolio of highly economic drilling opportunities Company maintains financial flexibility Transaction financed with a balanced mix of revolver borrowings and new long-term debt securities (1) As of 4/1/2012.

Significant Overlap in Core Operating Area Pro forma Acreage Position in Core Mid-Continent Area Material acreage overlap with existing properties adding 188,000 gross acres (84,000 net acres) which is 95% HBP Adds 25,000 net acreage in Granite Wash core area in Texas Panhandle 67% of properties operated Adds 617 potential gross horizontal drilling locations and ~289 MMBoe of 3P reserves 97% in Granite Wash Integrated approach to accelerate development with assets from upstream, drilling and midstream businesses Combination Impact Granite Wash Texas Core UNT Granite Wash NOBLE Granite Wash Pro Forma Proved Reserves (MMboe) 30 23 53 Legend Unit Leaseholds - Tracts STATUS PRODUCING UNDEVELOPED NOBLE GW TEXAS CORE AREA April 2012 Net Production (Mboe/d) Gross Drilling Locations (Unrisked) 12.5 4.3 16.8 240 600 840 Gross Acreage ('000s) 65 40 105 Net Acreage ('000s) 21 25 46 Expands Size and Scale of Current Core Granite Wash Position

Track Record of Reserve Growth Proved Reserves (MMBoe) 160 140 120 100 80 60 40 20 0 2002 2011 CAGR: 14% 116 104 95 96 86 79 69 58 45 48 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Pro forma w/noble acq. Oil / NGLs Natural Gas 160 Stable and consistent economic growth of oil and natural gas reserves of at least 150% of each year s production 218% average annual reserve replacement over last 28 years Reserve growth driven by Oklahoma and Texas activity and a shift from vertical to horizontal / liquids-rich drilling Annual Reserve Replacement (1) 300% 285% 261% Minimum Target: 150% 250% 221% 200% 186% 169% 166% 171% 176% 164% (2) 150% 100% 113% 50% 202% (1) The Company uses the reserve replacement ratio as an indicator of the Company's ability to replenish annual production volumes and grow its proved reserves, including by acquisition, thereby providing some information on the sources of future production. It should be noted that the reserve replacement ratio is a statistical indicator that has limitations. The ratio is limited because it typically varies widely based on the extent and timing of discoveries and property acquisitions. Its predictive and comparative value is also limited for the same reasons. In addition, since the ratio does not imbed the cost or timing of future production of new reserves, it cannot be used as a measure of value creation. 0% 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 (2) 164% based on previous SEC reporting standards.

Increasing Production while Improving Commodity Mix Annual Production (MBoe/d) 50 40 33 37 36 39 38 30 29 28 27 20 10 55% 0 Net Wells Drilled: 2008 2009 2010 2011 2012E 2012E Incl. Noble 134 43 88 82 Oil / NGLs Natural Gas Production Range

Granite Wash Play Noble acquisition increases Granite Wash position 119% to 46,000 net acres in the Texas Panhandle Core Area Adds 600 potential drilling locations 2011 Q2 2012 Results First sales on 33 operated Granite Wash horizontal wells Average 30-day IP = 5.4 MMcfe/day Estimated reserves: 4.0 Bcfe (50% oil & liquids) Legend NOBLE ACREAGE UNIT LEASEHOLD Current AFE CWC: $5.5 MM (4,000 lateral, 11 stage frac) Average working interest: 80% 2012 Projected 2-4 rigs drilling = 28-32 operated horizontal wells Cap Ex: $125 140 MM

Marmaton Oil Play 2011 Q2 2012 Results First sales on 51 operated Marmaton horizontal wells (includes one extended lateral well) Average 30-day IP (incl. extended lateral) = 311 Boe/day 298 Boe/day (excl. extended lateral) Extended lateral: 960 Boe/day Focus Area Estimated reserves: 130 MBoe Extended lateral: 400 MBoe (92% oil & liquids) Current AFE CWC: $2.7 MM (4,500 lateral, 16 stage frac) Extended lateral: $4.2 MM (9,500 lateral, 32 stage frac) Average working interest: 86% 2012 Projected 2 rigs drilling = 30-35 operated horizontal wells (includes 4 extended laterals) Cap Ex: $70-80 MM

Wilcox Liquids Play 2003-2011 Completed 109 wells at 72% success rate Field Discovery announced July 2012 Reserve Resource Potential Gross 229 Bcfe; Net 159 Bcfe 8% oil, 35% NGL, 57% natural gas Field Discovery Four Wells Completed Ave. 226 net potential pay/well 12% pay zones currently producing Production Rate for four wells: 21 MMcfe per day Six Additional Wells to Drill (two in 2012, four in 2013) Estimated AFE CWC: $5.4 MM 2012 Projected Original Prospect Area 2011 Expansion 1 rig drilling = 12 operated vertical wells Cap Ex: $41 MM 27,000 net acres 129,000 net options

2012 Capital Program No material increases to current 2012 capital program on a pro forma basis $457 million (57% of 2012 capital budget) allocated to E&P operations $385 million drilling capital budget allocated principally to the liquids-rich Granite Wash, Marmaton, and Wilcox plays Approximately $212 million allocated to Granite Wash, Oklahoma Marmaton oil play, and Texas Wilcox field operations (~55% of overall drilling budget) Current plan will provide Unit with 9% - 12% annual growth in production Total CapEx by Segment E&P CapEx by Category Drilling CapEx by Region Contract Drilling 15% Midstream 28% E&P 57% Other 16% Drilling 84% Wilcox 12% Granite Wash 24% Marmaton Oil 19% Bakken 10% Dry Gas 2% Misc. Liquids- Rich Oil 33% 2012 Total Budget: $801 Million 2012 Upstream Budget: $457 Million 2012 D&C Budget: $385 Million Focused Capital Program Emphasizes Higher Return Liquids-Rich Drilling Plays

Significant Drilling Presence in Attractive Producing Regions 128 rig fleet 16 Fleet average ~1,200 HP rating; ~16,724 ft depth capacity 60% utilization rate for Q2 2012 18 Casper Office 87% of 47 1,200-1,700 HP rigs under contract Refurbished / upgraded 19 rigs in 2011 98% of contracted rigs drilling horizontal wells Tulsa Headquarters 73 5 Oklahoma City Office 2012 1 new build rig (1,500 HP) 3 year contract, deployed to North Dakota Contracted Rig Commodity Mix Geographical Location 128 Unit Rigs 16 Houston Office Dry Gas 3% Liquids Rich 97% Rockies/ Bakken 27% Arkoma 4% E. TX, LA GC, S. TX 13% Anadarko Basin 56% Plan to Deploy Seven Unit Rigs to Acquired Properties by Early 2014 Note: Based on 73 contracted rigs. All charts represent total 128 rig fleet.

Average Number of Rigs Utilized 100 75 50 25 0 2008 2009 2010 2011 6 mos. 2012

Diverse and Versatile Rig Fleet 0 400-700 h.p. 750-1,000 h.p. 1,200-1,700 h.p. 2,000 h.p. >2,500 h.p. 20% Utilization Percentage (57% as of 8/3/12) 40% Growing demand from increased shallow horizontal drilling activity 37 of 47 working 60% 80% 100% Number of Rigs: 29 39 47 7 73% 6 82 rigs equipped with integrated top drives Average Depth Capacity: 16,724 feet

Average Dayrates and Margins (1) $20,000 120 Margins / DayRates ($) $15,000 $10,000 $5,000 90 60 30 Average Number of Rigs Utilized $0 2008 2009 2010 2011 6 mos. 2012 0 Margins Day Rates Rigs Utilized Nine Consecutive Quarters of Improving Day Rates and Margins (1) Margins are before elimination of intercompany rig profit.

Superior Pipeline s Core Operations Three natural gas treatment plants 11 natural gas processing plants 36 active gathering systems 981 miles of pipeline MAJOR SYSTEMS Average Processing Pipeline Volume Capacity (miles) (MMBtu/d) (MMcf/d) Hemphill/Mendota 165 115,000 115 Cashion 160 28,500 50 Panola (1) 50 32,000 n/a Segno 37 34,000 n/a (1) Includes two treatment plants.

Historical Performance Historical Daily Gathering Volumes (MMBtu / d) NGLs Volumes (Bbl / d) 300,000 15,000 200,000 10,000 100,000 5,000 0 2008 2009 2010 2011 1st Half 2012 0 2008 2009 2010 2011 1st Half 2012 Contract Mix (Based on Volume) (1) 2011 Q2 2012 Contract Mix (Based on Operating Margin) (1) 2011 Q2 2012 POP 52% POI 6% Fee Based 42% POP 55% POI 2% Fee Based 41% POI 29 Fee Based 14% POP 57% POI 11% Fee Based 21% POP 68% (1) POP represents percent of proceeds. POI represents percent of index.

Balance Sheet Summary 6/30/12 12/31/11 (In Millions) Working Capital $41.5 $15.7 Total Assets 3,353.4 3,256.7 Long-Term Debt Senior Subordinated Notes 250.0 250.0 Bank Facility 82.9 50.0 Total Long-Term Debt 332.9 300.0 Shareholders Equity 2,000.4 1,947.0 Credit Line Undrawn 167.1 200.0 Long-Term Debt to Total Capitalization 14% 13%

Debt Structure Senior Subordinated Notes As of June 30, 2012 July 2012 Add-On $250 million, 6.625% $400 million, 6.625% First-time issuer Issued at 98.75% of par Issued in May 2011 10-year, NC5 Unsecured Bank Facility (1) Borrowing Base $600 million Elected Commitment $250 million Outstanding $82.9 million Maturity September 2016 (1) As of June 30, 2012

Conservative Pro Forma Balance Sheet UNT s historical commitment to a strong balance sheet has positioned the business for this opportunity Focus on maintaining a strong liquidity position Target conservative leverage metrics No near-term maturities mitigation of liquidity risk UNT has identified $200-300 million of E&P assets it is considering selling to further reduce borrowings under our Credit Facility Actual Pro Forma ($ in millions) 6/30/12 Adj. 6/30/12 Cash $1 $1 Working Capital $42 $37 Total Assets $3,353 $617 $3,945 Revolver $83 $217 $300 Elective Revolver Commitments (1) $250 $500 $750 % Available 67% 60% Liquidity $167 $450 Senior Subordinated Notes $250 $400 $650 Total Debt $333 $950 Shareholders' Equity $2,000 $2,000 Total Capitalization $2,333 $2,945 Debt / Capitalization 14% 32% Operating Statistics 2011 Proved Reserves (MMBoe) 116 44 160 Six Mos. 2012 Daily Production (MBoe/d) 36 10 46 LTM EBITDA ($MM) (2) 645 645 Credit Statistics Total Debt / Proved Reserves ($/Boe) $2.87 $5.94 Total Debt / Six Mos. 2012 Daily Production ($/Boe/d) $9,250 $20,652 Total Debt / LTM EBITDA (2) 0.5x 1.5x (3) (1) Amending current facility, with expected increase in commitments up to $750 million and an anticipated closing in Aug 2012. Current borrowing base of $600 million expected to increase to $800 million pro forma for the acquisition. (2) No attributable EBITDA contribution is assumed for the acquired properties. (3) April 2012 average daily production.

Hedges Target 50 70% of current year projected oil and natural gas production Crude oil 77% in 2012 Natural gas 40% in 2012 Primarily utilize swaps and collars Current hedge portfolio consists of swaps & collars Natural Gas Liquids Hedged 1,966 Bbls/day for 1 st quarter of 2012 Hedged 926 Bbls/day for 2 nd quarter of 2012 MMBtu/d 100,000 Anticipate opportunistically adding hedges associated with production from acquired properties Natural Gas Bbls/d 8,000 Crude Oil 80,000 $3.58 6,000 $97.55 $99.72 60,000 $5.09 4,000 40,000 2,000 20,000 0 2012 2013 0 2012 2013

Segment Contribution Revenues ($ millions) EBITDA ($ millions) (1) $1,400 $1,358 $800 $754 $1,200 $1,208 $604 $1,000 $800 $600 $710 $862 $662 $600 $400 $371 $442 $337 $400 $200 $200 $0 2008 2009 2010 2011 6 mos. 2012 $0 2008 2009 2010 2011 6 mos. 2012 Unit Petroleum Unit Drilling Superior Pipeline Other (1) See EBITDA reconciliation.

Adjusted Earnings per Share (1) $7.00 $6.00 $5.00 $4.00 $3.00 $2.00 $1.00 $0.00 2008 2009 2010 2011 6 mos. 2011 6 mos. 2012 (1) See Adjusted EPS reconciliation to EPS.

Capital Expenditures (In Thousands) $1,000,000 $800,000 $600,000 $400,000 $200,000 $0 2007 2008 2009 2010 2011 2012 Budget Unit Petroleum Unit Drilling Superior Pipeline

Forward-Looking Statement This presentation contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements, other than statements of historical facts, included in this presentation that address activities, events or developments that the Company expects, believes or anticipates will or may occur in the future are forward-looking statements. The words believe, expect, anticipate, plan, intend, foresee, should, would, could, or other similar expressions are intended to identify forward-looking statements, which are generally not historical in nature. However, the absence of these words does not mean that the statements are not forward-looking. Without limiting the generality of the foregoing, forward-looking statements contained in this presentation specifically include the expectations of plans, strategies, objectives and anticipated financial and operating results of the Company, including as to the Company s drilling program, production, hedging activities, capital expenditure levels and other guidance included in this presentation. These statements are based on certain assumptions made by the Company based on management s expectations and perception of historical trends, current conditions, anticipated future developments and other factors believed to be appropriate. Such statements are subject to a number of assumptions, risks and uncertainties, many of which are beyond the control of the Company, which may cause actual results to differ materially from those implied or expressed by the forward-looking statements. These include the factors discussed or referenced in the Risk Factors section of the Company s Offering Memorandum provided in connection with this offering, risks relating to financial performance and results, current economic conditions and resulting capital restraints, prices and demand for oil and natural gas, availability of drilling equipment and personnel, availability of sufficient capital to execute the Company s business plan, the Company s ability to replace reserves and efficiently develop and exploit its current reserves and other important factors that could cause actual results to differ materially from those projected. Any forward-looking statement speaks only as of the date on which such statement is made and the Company undertakes no obligation to correct or update any forward-looking statement, whether as a result of new information, future events or otherwise, except as required by applicable law. The SEC generally permits oil and gas companies, in filings made with the SEC, to disclose only proved reserves, which are reserve estimates that geological and engineering data demonstrate with reasonable certainty to be recoverable in future years from known reservoirs under existing economic and operating conditions. In this communication, the Company uses the term unproved reserves which the SEC guidelines prohibit from being included in filings with the SEC. Unproved reserves refers to the Company s internal estimates of hydrocarbon quantities that may be potentially discovered through exploratory drilling or recovered with additional drilling or recovery techniques. Unproved reserves may not constitute reserves within the meaning of the Society of Petroleum Engineer s Petroleum Resource Management System or proposed SEC rules and does not include any proved reserves. Actual quantities that may be ultimately recovered from the Company s interests will differ substantially. Factors affecting ultimate recovery include the scope of the Company s ongoing drilling program, which will be directly affected by the availability of capital, drilling and production costs, availability of drilling services and equipment, drilling results, lease expirations, transportation constraints, regulatory approvals and other factors; and actual drilling results, including geological and mechanical factors affecting recovery rates. Estimates of unproved reserves may change significantly as development of the Company s core assets provide additional data. In addition, our production forecasts and expectations for future periods are dependent upon many assumptions, including estimates of production decline rates from existing wells and the undertaking and outcome of future drilling activity, which may be affected by significant commodity price declines or drilling cost increases. This presentation contains financial measures that have not been prepared in accordance with U.S. Generally Accepted Accounting Principles ( non-gaap financial measures ) including LTM EBITDA and certain debt ratios. The non-gaap financial measures should not be considered a substitute for financial measures prepared in accordance with U.S. Generally Accepted Accounting Principles ( GAAP ). We urge you to review the reconciliations of the non-gaap financial measures to GAAP financial measures in the appendix.

Non-GAAP Financial Measures EBITDA Six months ended June 30, Years ended December 31, Twelve mos. ended June 30, ($ in Millions) 2011 2012 2008 2009 2010 2011 2012 Net Income Income Taxes Depreciation, Depletion and Amortization Impairment of Oil and Natural Gas Properties Interest Expense EBITDA $91 57 129-1 $278 $33 21 163 116 4 $337 $144 82 245 282 1 $754 ($56) (32) 177 281 1 $371 $146 91 205 - - $442 $196 123 281-4 $604 $127 80 314 116 8 $645 Unit Petroleum Income Before Income Taxes (1) Depreciation, Depletion and Amortization Impairment of Oil and Natural Gas Properties EBITDA $92 85 - $177 ($28) 109 116 $197 ($4) 160 282 $438 ($126) 115 281 $270 $177 119 - $296 $202 183 - $385 $81 208 116 $405 Unit Drilling Income Before Income Taxes (1) Depreciation and Amortization EBITDA $60 37 $96 $94 43 $137 $240 70 $310 $51 45 $96 $60 70 $130 $135 80 $215 $169 86 $255 Superior Pipeline Income Before Income Taxes (1) Depreciation and Amortization EBITDA $11 7 $18 $7 10 $17 $16 15 $31 $5 16 $21 $17 15 $32 $17 16 $33 $13 19 $32 (1) Does not include allocation of G&A expense.

EPS Reconciliation 6 mos. 6 mos. 6 mos. 6 mos. 2011 2011 2012 2012 (in millions except per share amounts) Amount Per Share Amount Per Share Net income before impairment of oil and natural gas properties $ 90.8 $ 1.89 $ 105.3 $ 2.19 Impairment of oil and natural gas properties --- --- (72.1) (1.50) Net Income (Loss) $ 90.8 $ 1.89 $ 33.1 $ 1.69